Chapter 1. About this manual
- Important safety information
Chapter 2. Safety information
Chapter 3. General information
Chapter 4. General checkout
- Problem determination tips
Chapter 5. Troubleshooting and diagnostics
Chapter 6. Using the Setup Utility program
Chapter 7. Symptom-to-FRU index
Chapter 8. Locations
- For machine types: 10AS, 10AV, 10DR, and 10DS
- For machine types: 10AU, 10AW, 10BF, 10BG, 10DU, and 10DT
Chapter 9. Replacing FRUs (machine types: 10AS and 10AU)
- Handling static-sensitive devices
- Installing or replacing hardware
Chapter 10. Replacing FRUs (machine types: 10AU, 10AW, 10BF, and 10BG)
- Handling static-sensitive devices
- Installing or replacing hardware
Chapter 11. Additional service information
Appendix A. Notices
Index

Lenovo E73 User Manual

Displayed below is the user manual for E73 by Lenovo which is a product in the PCs/Workstations category. This manual has pages.

Related Manuals

Fujitsu E734 Manual

ThinkCentreE73

HardwareMaintenanceManual

MachineTypes:10AS,10AU,10AV,10AW,10BF,10BG,10DR,

10DS,10DT,and10DU

Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadandunderstandChapter2

“Safetyinformation”onpage3andAppendixA“Notices”onpage177.

FifthEdition(July2015)

©CopyrightLenovo2013,2015.

LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwareisdeliveredpursuantaGeneralServicesAdministration

“GSA”contract,use,reproduction,ordisclosureissubjecttorestrictionssetforthinContractNo.GS-35F-05925.

Contents

Chapter1.Aboutthismanual......1

Importantsafetyinformation..........1

Chapter2.Safetyinformation......3

Generalsafety................3

Electricalsafety...............3

Voltage-selectionswitch............5

Safetyinspectionguide............5

Handlingelectrostaticdischarge-sensitive

devices..................6

Groundingrequirements............6

Safetynotices(multi-lingualtranslations).....6

Chapter3.Generalinformation....29

Speciﬁcations...............29

Formachinetypes:10AS,10AV,10DR,and

10DS................29

Formachinetypes:10AU,10AW,10BF,10BG,

10DU,and10DT............30

Lenovoprograms.............30

Accessingaprogramonyourcomputer...30

AnintroductiontoLenovoprograms....31

LenovoSupportWebsite..........33

Chapter4.Generalcheckout.....35

Problemdeterminationtips..........35

Chapter5.Troubleshootingand

diagnostics..............37

Basictroubleshooting............37

AccessingControlPanelontheWindows8or

Windows8.1operatingsystem........38

Troubleshootingprocedure..........38

Troubleshooting..............39

Audioproblems............40

CDproblems.............41

DVDproblems.............41

Intermittentproblems..........43

Harddiskdriveproblems.........43

Keyboard,mouse,orpointingdevice

problems...............44

Monitorproblems............45

Networkingproblems..........46

Optionproblems............48

Performanceandlockupproblems.....49

Printerproblems............51

Serialportproblems...........51

Softwareproblems...........51

USBproblems.............53

Diagnostics................53

LenovoSolutionCenter.........53

UEFIdiagnosticprogram.........54

Chapter6.UsingtheSetupUtility

program................55

StartingtheSetupUtilityprogram.......55

Viewingandchangingsettings........55

Usingpasswords..............55

Passwordconsiderations.........56

Power-OnPassword..........56

AdministratorPassword.........56

HardDiskPassword...........56

Setting,changing,anddeletingapassword.56

Erasinglostorforgottenpasswords(clearing

CMOS)................57

Enablingordisablingadevice........57

Selectingastartupdevice..........58

Selectingatemporarystartupdevice....58

Selectingorchangingthestartupdevice

sequence...............58

EnablingErPLPScompliancemode......58

ChangingtheBIOSsettingsbeforeinstallinganew

operatingsystem..............59

ExitingtheSetupUtilityprogram.......59

Chapter7.Symptom-to-FRUindex..61

Harddiskdrivebooterror..........61

Powersupplyproblems...........61

Beepsymptoms..............61

POSTerrorcodes.............62

Miscellaneouserrormessages........64

Undeterminedproblems...........65

Chapter8.Locations.........67

Formachinetypes:10AS,10AV,10DR,and

10DS..................67

Locatingconnectors,controls,andindicators

onthefrontofyourcomputer.......67

Locatingconnectorsontherearofyour

computer...............68

LocatingmajorFRUsandCRUs......69

LookingupFRUinformation.......71

Locatingpartsonthesystemboard....72

Locatinginternaldrives.........73

Formachinetypes:10AU,10AW,10BF,10BG,

10DU,and10DT..............73

©CopyrightLenovo2013,2015i

Locatingconnectors,controls,andindicators

onthefrontofyourcomputer.......74

Locatingconnectorsontherearofyour

computer...............75

LocatingmajorFRUsandCRUs......76

LookingupFRUinformation.......78

Locatingpartsonthesystemboard....79

Locatinginternaldrives.........80

Chapter9.ReplacingFRUs(machine

types:10ASand10AU)........81

Handlingstatic-sensitivedevices.......81

Installingorreplacinghardware........81

Installingexternaloptions........81

Removingthecomputercover.......82

Removingandreinstallingthefrontbezel..83

InstallingorreplacingaPCIExpresscard..84

Installingorreplacingamemorymodule...87

Replacingtherearfanassembly......89

Replacingthebattery..........91

Replacingtheprimaryharddiskdrive....92

Installingthesolid-statedrive.......94

Replacingtheopticaldrive........95

Replacingtheslimcardreader......97

Replacingthepowersupplyassembly...100

Replacingtheheatsinkandfanassembly..101

Replacingthethermalsensor.......103

Replacingthemicroprocessor.......105

Replacingthesystemboard.......108

ReplacingthefrontaudioandUSB

assembly...............110

ReplacingtheWi-Fiunits.........111

InstallingorremovingtherearWi-Fi

antenna...............117

InstallingorremovingthefrontWi-Fi

antenna...............118

Replacingthekeyboardormouse.....120

Completingthepartsreplacement.....121

Chapter10.ReplacingFRUs

(machinetypes:10AU,10AW,10BF,

and10BG)..............123

Handlingstatic-sensitivedevices.......123

Installingorreplacinghardware........123

Installingexternaloptions........123

Removingthecomputercover.......124

Removingandreinstallingthefrontbezel..124

Accessingthesystemboardcomponentsand

drives................126

InstallingorreplacingaPCIExpresscard..127

Installingorreplacingamemorymodule...129

Replacingthebattery..........130

Replacingtheharddiskdrive.......131

Replacingtheopticaldrive........133

Replacingtheslimcardreader......137

Replacingthesolid-statedrive......139

Replacingthepowersupplyassembly...144

Replacingtheheatsinkandfanassembly..148

Replacingthethermalsensor.......151

Replacingthemicroprocessor.......153

Replacingthesystemboard.......156

Replacingthesystemfanassembly....158

ReplacingthefrontaudioandUSB

assembly...............160

ReplacingtheWi-Fiunits.........161

InstallingorremovingtherearWi-Fi

antenna...............166

InstallingorremovingthefrontWi-Fi

antenna...............168

Replacingthekeyboardormouse.....170

Completingthepartsreplacement.....171

Chapter11.Additionalservice

information.............173

Securityfeatures..............173

Hardware-controlledpasswords......173

Operatingsystempassword.......173

VitalProductData...........173

BIOSlevels................173

Flashupdateprocedures..........173

UpdatingtheBIOS...........174

Updating(ﬂashing)theBIOSfromyour

operatingsystem............174

RecoveringfromaPOSTandBIOSupdate

failure................174

Powermanagement............175

Advancedconﬁgurationandpowerinterface

(ACPI)BIOS..............175

AutomaticPower-onfeatures.......175

AppendixA.Notices.........177

Televisionoutputnotice...........178

EuropeanconformanceCEmark.......178

Trademarks................178

Index.................179

iiThinkCentreE73HardwareMaintenanceManual

Chapter1.Aboutthismanual

ThismanualprovidesserviceandreferenceinformationforThinkCentre®computerslistedonthefrontcover.

ThismanualisintendedonlyfortrainedservicepersonnelwhoarefamiliarwithLenovo®computerproducts.

BeforeservicingaLenovocomputerproduct,besuretoreadChapter2“Safetyinformation”onpage3.

Chapter7“Symptom-to-FRUindex”onpage61andChapter11“Additionalserviceinformation”onpage

173arenotspeciﬁctoanymachinetype.ThesechaptersareapplicabletoallThinkCentrecomputers.

FormajorFRUlocationsandCustomerReplaceableUnit(CRU)identiﬁcation,seeChapter8“Locations”

onpage67.

ForFRUreplacementinstructions,seeChapter9“ReplacingFRUs(machinetypes:10ASand10AU)”on

page81andChapter10“ReplacingFRUs(machinetypes:10AU,10AW,10BF,and10BG)”onpage123.

ForFRUpartnumbers,goto:

http:/www.lenovo.com/serviceparts-lookup

Importantsafetyinformation

Besuretoreadallcautionanddangerstatementsinthismanualbeforeperforminganyoftheinstructions.

VeuillezliretouteslesconsignesdetypeDANGERetATTENTIONduprésentdocumentavantd'exécuter

lesinstructions.

LesenSieunbedingtalleHinweisevomTyp"ACHTUNG"oder"VORSICHT"indieserDokumentation,bevor

SieirgendwelcheVorgängedurchführen

LeggereleistruzioniintrodottedaATTENZIONEePERICOLOpresentinelmanualeprimadieseguireuna

qualsiasidelleistruzioni

Certiﬁque-sedelertodasasinstruçõesdecuidadoeperigonestemanualantesdeexecutarqualquer

umadasinstruções

Esimportantequeleatodaslasdeclaracionesdeprecauciónydepeligrodeestemanualantesdeseguir

lasinstrucciones.

©CopyrightLenovo2013,20151

2ThinkCentreE73HardwareMaintenanceManual

Chapter2.Safetyinformation

Thischaptercontainsthesafetyinformationthatyouneedtobefamiliarwithbeforeservicingacomputer.

Generalsafety

Followtheserulestoensuregeneralsafety:

•Observegoodhousekeepingintheareaofthemachinesduringandaftermaintenance.

•Whenliftinganyheavyobject:

1.Ensureyoucanstandsafelywithoutslipping.

2.Distributetheweightoftheobjectequallybetweenyourfeet.

3.Useaslowliftingforce.Nevermovesuddenlyortwistwhenyouattempttolift.

4.Liftbystandingorbypushingupwithyourlegmuscles;thisactionremovesthestrainfromthe

musclesinyourback.Donotattempttoliftanyobjectsthatweighmorethan16kg(35lb)orobjects

thatyouthinkaretooheavyforyou.

•Donotperformanyactionthatcauseshazardstothecustomer,orthatmakestheequipmentunsafe.

•Beforeyoustartthemachine,ensurethatotherservicerepresentativesandthecustomer'spersonnelare

notinahazardousposition.

•Placeremovedcoversandotherpartsinasafeplace,awayfromallpersonnel,whileyouareservicing

themachine.

•Keepyourtoolcaseawayfromwalkareassothatotherpeoplewillnottripoverit.

•Donotwearlooseclothingthatcanbetrappedinthemovingpartsofamachine.Ensurethatyoursleeves

arefastenedorrolledupaboveyourelbows.Ifyourhairislong,fastenit.

•Inserttheendsofyournecktieorscarfinsideclothingorfastenitwithanonconductiveclip,approximately

8centimeters(3inches)fromtheend.

•Donotwearjewelry,chains,metal-frameeyeglasses,ormetalfastenersforyourclothing.

Remember:Metalobjectsaregoodelectricalconductors.

•Wearsafetyglasseswhenyouare:hammering,drilling,soldering,cuttingwire,attachingsprings,using

solvents,orworkinginanyotherconditionsthatmightbehazardoustoyoureyes.

•Afterservice,reinstallallsafetyshields,guards,labels,andgroundwires.Replaceanysafetydevice

thatiswornordefective.

•Reinstallallcoverscorrectlybeforereturningthemachinetothecustomer.

Electricalsafety

CAUTION:

Electricalcurrentfrompower,telephone,andcommunicationcablescanbehazardous.Toavoid

personalinjuryorequipmentdamage,disconnecttheattachedpowercords,telecommunication

systems,networks,andmodemsbeforeyouopenthecentrecovers,unlessinstructedotherwisein

theinstallationandconﬁgurationprocedures.

Observethefollowingruleswhenworkingonelectricalequipment.

©CopyrightLenovo2013,20153

Important:Useonlyapprovedtoolsandtestequipment.Somehandtoolshavehandlescoveredwithasoft

materialthatdoesnotinsulateyouwhenworkingwithliveelectricalcurrents.Manycustomershave,near

theirequipment,rubberﬂoormatsthatcontainsmallconductiveﬁberstodecreaseelectrostaticdischarges.

Donotusethistypeofmattoprotectyourselffromanelectricshock.

•Findtheroomemergencypower-off(EPO)switch,disconnectingswitch,orelectricaloutlet.Ifanelectrical

accidentoccurs,youcanthenoperatetheswitchorunplugthepowercordquickly.

•Donotworkaloneunderhazardousconditionsornearequipmentthathashazardousvoltages.

•Disconnectallpowerbefore:

–Performingamechanicalinspection

–Workingnearpowersupplies

–RemovingorinstallingFieldReplaceableUnits(FRU)

•Beforeyoustarttoworkonthemachine,unplugthepowercord.Ifyoucannotunplugit,askthecustomer

topower-offthewallboxthatsuppliespowertothemachineandtolockthewallboxintheoffposition.

•Ifyouneedtoworkonamachinethathasexposedelectricalcircuits,observethefollowingprecautions:

–Ensurethatanotherperson,familiarwiththepower-offcontrols,isnearyou.

Remember:Anotherpersonmustbetheretoswitchoffthepower,ifnecessary.

–Useonlyonehandwhenworkingwithpowered-onelectricalequipment;keeptheotherhandinyour

pocketorbehindyourback.

Remember:Theremustbeacompletecircuittocauseanelectricshock.Byobservingtheabove

rule,youmaypreventacurrentfrompassingthroughyourbody.

–Whenusingatester,setthecontrolscorrectlyandusetheapprovedprobeleadsandaccessoriesfor

thattester.

–Standonsuitablerubbermats(obtainedlocally,ifnecessary)toinsulateyoufromgroundssuchas

metalﬂoorstripsandmachineframes.

Observethespecialsafetyprecautionswhenyouworkwithveryhighvoltages;theseinstructionsarein

thesafetysectionsofmaintenanceinformation.Useextremecarewhenmeasuringhighvoltages.

•Regularlyinspectandmaintainyourelectricalhandtoolsforsafeoperationalcondition.

•Donotusewornorbrokentoolsandtesters.

•Neverassumethatpowerhasbeendisconnectedfromacircuit.First,checkthatithasbeenpowered-off.

•Alwayslookcarefullyforpossiblehazardsinyourworkarea.Examplesofthesehazardsaremoistﬂoors,

nongroundedpowerextensioncables,powersurges,andmissingsafetygrounds.

•Donottouchliveelectricalcircuitswiththereﬂectivesurfaceofaplasticdentalmirror.Thesurfaceis

conductive;suchtouchingcancausepersonalinjuryandmachinedamage.

•Donotservicethefollowingpartswiththepoweronwhentheyareremovedfromtheirnormaloperating

placesinamachine:

–Powersupplyunits

–Pumps

–Blowersandfans

–Motorgenerators

andsimilarunits.(Thispracticeensurescorrectgroundingoftheunits.)

•Ifanelectricalaccidentoccurs:

–Usecaution;donotbecomeavictimyourself.

–Switchoffpower.

–Sendanotherpersontogetmedicalaid.

4ThinkCentreE73HardwareMaintenanceManual

Voltage-selectionswitch

Somecomputersareequippedwithavoltage-selectionswitchlocatednearthepower-cordconnection

pointonthecomputer.Ifyourcomputerhasavoltage-selectionswitch,ensurethatyousettheswitchto

matchthevoltageavailableatyourelectricaloutlet.Settingthevoltage-selectionswitchincorrectlycan

causepermanentdamagetothecomputer.

Ifyourcomputerdoesnothaveavoltage-selectionswitch,yourcomputerisdesignedtooperateonlyatthe

voltageprovidedinthecountryorregionwherethecomputerwasoriginallypurchased.

Ifyourelocateyourcomputertoanothercountry,beawareofthefollowing:

•Ifyourcomputerdoesnothaveavoltage-selectionswitch,donotconnectthecomputertoanelectrical

outletuntilyouhaveveriﬁedthatthevoltageprovidedisthesameasitwasinthecountryorregion

wherethecomputerwasoriginallypurchased.

•Ifyourcomputerhasavoltage-selectionswitch,donotconnectthecomputertoanelectricaloutletuntil

youhaveveriﬁedthatthevoltage-selectionswitchissettomatchthevoltageprovidedinthatcountry

orregion.

Ifyouarenotsureofthevoltageprovidedatyourelectricaloutlet,contactyourlocalelectriccompanyor

refertoofﬁcialWebsitesorotherliteraturefortravelerstothecountryorregionwhereyouarelocated.

Safetyinspectionguide

Theintentofthisinspectionguideistoassistyouinidentifyingpotentiallyunsafeconditionsonthese

products.Eachmachine,asitwasdesignedandbuilt,hadrequiredsafetyitemsinstalledtoprotectusers

andservicepersonnelfrominjury.Thisguideaddressesonlythoseitems.However,goodjudgmentshould

beusedtoidentifypotentialsafetyhazardsduetoattachmentoffeaturesoroptionsnotcoveredbythis

inspectionguide.

Ifanyunsafeconditionsarepresent,youmustdeterminehowserioustheapparenthazardcouldbeand

whetheryoucancontinuewithoutﬁrstcorrectingtheproblem.

Considertheseconditionsandthesafetyhazardstheypresent:

•Electricalhazards,especiallyprimarypower(primaryvoltageontheframecancauseseriousorfatal

electricalshock).

•Explosivehazards,suchasadamagedCRTfaceorbulgingcapacitor

•Mechanicalhazards,suchaslooseormissinghardware

Theguideconsistsofaseriesofstepspresentedinachecklist.Beginthecheckswiththepoweroff,and

thepowercorddisconnected.

Checklist:

1.Checkexteriorcoversfordamage(loose,broken,orsharpedges).

2.Power-offthecomputer.Disconnectthepowercord.

3.Checkthepowercordfor:

a.Athird-wiregroundconnectoringoodcondition.Useametertomeasurethird-wireground

continuityfor0.1ohmorlessbetweentheexternalgroundpinandframeground.

b.Thepowercordshouldbetheappropriatetypeasspeciﬁedinthepartslistings.

c.Insulationmustnotbefrayedorworn.

4.Removethecover.

Chapter2.Safetyinformation5

5.Checkforanyobviousalterations.Usegoodjudgmentastothesafetyofanyalterations.

6.Checkinsidetheunitforanyobviousunsafeconditions,suchasmetalﬁlings,contamination,wateror

otherliquids,orsignsofﬁreorsmokedamage.

7.Checkforworn,frayed,orpinchedcables.

8.Checkthatthepower-supplycoverfasteners(screwsorrivets)havenotbeenremovedortamperedwith.

Handlingelectrostaticdischarge-sensitivedevices

Anycomputerpartcontainingtransistorsorintegratedcircuits(ICs)shouldbeconsideredsensitiveto

electrostaticdischarge(ESD).ESDdamagecanoccurwhenthereisadifferenceinchargebetweenobjects.

ProtectagainstESDdamagebyequalizingthechargesothatthemachine,thepart,theworkmat,andthe

personhandlingthepartareallatthesamecharge.

Notes:

1.Useproduct-speciﬁcESDprocedureswhentheyexceedtherequirementsnotedhere.

2.MakesurethattheESDprotectivedevicesyouusehavebeencertiﬁed(ISO9000)asfullyeffective.

WhenhandlingESD-sensitiveparts:

•Keepthepartsinprotectivepackagesuntiltheyareinsertedintotheproduct.

•Avoidcontactwithotherpeoplewhilehandlingthepart.

•Wearagroundedwriststrapagainstyourskintoeliminatestaticonyourbody.

•Preventthepartfromtouchingyourclothing.Mostclothingisinsulativeandretainsachargeeven

whenyouarewearingawriststrap.

•Usetheblacksideofagroundedworkmattoprovideastatic-freeworksurface.Thematisespecially

usefulwhenhandlingESD-sensitivedevices.

•Selectagroundingsystem,suchasthoselistedbelow,toprovideprotectionthatmeetsthespeciﬁc

servicerequirement.

Note:TheuseofagroundingsystemisdesirablebutnotrequiredtoprotectagainstESDdamage.

–AttachtheESDgroundcliptoanyframeground,groundbraid,orgreen-wireground.

–UseanESDcommongroundorreferencepointwhenworkingonadouble-insulatedor

battery-operatedsystem.Youcanusecoaxorconnector-outsideshellsonthesesystems.

–Usetheroundground-prongoftheacplugonac-operatedcomputers.

Groundingrequirements

Electricalgroundingofthecomputerisrequiredforoperatorsafetyandcorrectsystemfunction.Proper

groundingoftheelectricaloutletcanbeveriﬁedbyacertiﬁedelectrician.

Safetynotices(multi-lingualtranslations)

Thecautionanddangersafetynoticesinthissectionareprovidedinthefollowinglanguages:

•English

•Arabic

•Brazilian/Portuguese

•Chinese(simpliﬁed)

•Chinese(traditional)

6ThinkCentreE73HardwareMaintenanceManual

•French

•German

•Hebrew

•Italian

•Korean

•Spanish

DANGER

Electricalcurrentfrompower,telephoneandcommunicationcablesishazardous.

Toavoidashockhazard:

•Donotconnectordisconnectanycablesorperforminstallation,maintenance,orreconﬁguration

ofthisproductduringanelectricalstorm.

•Connectallpowercordstoaproperlywiredandgroundedelectricaloutlet.

•Connecttoproperlywiredoutletsanyequipmentthatwillbeattachedtothisproduct.

•Whenpossible,useonehandonlytoconnectordisconnectsignalcables.

•Neverturnonanyequipmentwhenthereisevidenceofﬁre,water,orstructuraldamage.

•Disconnecttheattachedpowercords,telecommunicationssystems,networks,andmodems

beforeyouopenthedevicecovers,unlessinstructedotherwiseintheinstallationandconﬁguration

procedures.

•Connectanddisconnectcablesasdescribedinthefollowingtableswheninstalling,moving,or

openingcoversonthisproductorattacheddevices.

ToConnectToDisconnect

1.TurneverythingOFF.

2.First,attachallcablestodevices.

3.Attachsignalcablestoconnectors.

4.Attachpowercordstooutlet.

5.TurndeviceON.

1.TurneverythingOFF.

2.First,removepowercordsfromoutlet.

3.Removesignalcablesfromconnectors.

4.Removeallcablesfromdevices.

CAUTION:

Whenreplacingthelithiumbattery,useonlyPartNumber45C1566oranequivalenttypebattery

recommendedbythemanufacturer.Ifyoursystemhasamodulecontainingalithiumbattery,replace

itonlywiththesamemoduletypemadebythesamemanufacturer.Thebatterycontainslithiumand

canexplodeifnotproperlyused,handled,ordisposedof.Donot:

•Throworimmerseintowater

•Heattomorethan100°C(212°F)

•Repairordisassemble

Chapter2.Safetyinformation7

Disposeofthebatteryasrequiredbylocalordinancesorregulations.

CAUTION:

Whenlaserproducts(suchasCD-ROMs,DVD-ROMdrives,ﬁberopticdevices,ortransmitters)are

installed,notethefollowing:

•Donotremovethecovers.Removingthecoversofthelaserproductcouldresultinexposureto

hazardouslaserradiation.Therearenoserviceablepartsinsidethedevice.

•Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthosespeciﬁedherein

mightresultinhazardousradiationexposure.

DANGER

SomelaserproductscontainanembeddedClass3AorClass3Blaserdiode.Notethefollowing:

Laserradiationwhenopen.Donotstareintothebeam,donotviewdirectlywithoptical

instruments,andavoiddirectexposuretothebeam.

≥18kg(37lbs)≥32kg(70.5lbs)≥55kg(121.2lbs)

CAUTION:

Usesafepracticeswhenlifting.

CAUTION:

Thepowercontrolbuttononthedeviceandthepowerswitchonthepowersupplydonotturnoff

theelectricalcurrentsuppliedtothedevice.Thedevicealsomighthavemorethanonepower

cord.Toremoveallelectricalcurrentfromthedevice,ensurethatallpowercordsaredisconnected

fromthepowersource.

8ThinkCentreE73HardwareMaintenanceManual

Chapter2.Safetyinformation9

≥18kg(37lbs)≥32kg(70.5lbs)≥55kg(121.2lbs)

PERIGO

Acorrenteelétricaprovenientedecabosdealimentação,detelefoneedecomunicaçõeséperigosa.

10ThinkCentreE73HardwareMaintenanceManual

Paraevitarriscodechoqueelétrico:

•Nãoconectenemdesconectenenhumcaboouexecuteinstalação,manutençãooureconﬁguração

desteprodutoduranteumatempestadecomraios.

•Conectetodososcabosdealimentaçãoatomadaselétricascorretamenteinstaladaseaterradas.

•Todoequipamentoqueforconectadoaesteprodutodeveserconectadoatomadascorretamente

instaladas.

•Quandopossível,utilizeapenasumadasmãosparaconectaroudesconectarcabosdesinal.

•Nuncaliguenenhumequipamentoquandohouverevidênciadefogo,águaoudanosestruturais.

•Antesdeabrirtampasdedispositivos,desconectecabosdealimentação,sistemasdetelecomunicação,

redesemodemsconectados,amenosqueespeciﬁcadodemaneiradiferentenosprocedimentosde

instalaçãoeconﬁguração.

•Conecteedesconecteoscabosconformedescritonatabelaapresentadaaseguiraoinstalar,moverou

abrirtampasdesteprodutooudedispositivosconectados.

ParaConectar:ParaDesconectar:

1.DESLIGUETudo.

2.Primeiramente,conectetodososcabosaos

dispositivos.

3.Conecteoscabosdesinalaosconectores.

4.Conecteoscabosdealimentaçãoàstomadas.

5.LIGUEosdispositivos.

1.DESLIGUETudo.

2.Primeiramente,removaoscabosdealimentaçãodas

tomadas.

3.Removaoscabosdesinaldosconectores.

4.Removatodososcabosdosdispositivos.

CUIDADO:

Aosubstituirabateriadelítio,utilizeapenasumabateriacomNúmerodePeça45C1566ouumtipo

debateriaequivalenterecomendadopeloSeoseusistemapossuiummódulocomumabateriade

lítio,substitua-oapenasporummódulodomesmotipoedomesmofabricante.Abateriacontémlítio

epodeexplodirsenãoforutilizada,manuseadaoudescartadademaneiracorreta.

Não:

•Jogueoucoloquenaágua

•Aqueçaamaisde100°C(212°F)

•Consertenemdesmonte

Descarteabateriaconformerequeridopelasleisouregulamentoslocais.

PRECAUCIÓN:

Quandoprodutosalaser(comounidadesdeCD-ROMs,unidadesdeDVD-ROM,dispositivosdeﬁbraótica

outransmissores)estivereminstalados,observeoseguinte:

•Nãoremovaastampas.Aremoçãodastampasdeumprodutoalaserpoderesultaremexposição

prejudicialàradiaçãodelaser.Nãoexistempeçasquepodemserconsertadasnointeriordodispositivo.

Chapter2.Safetyinformation11

•Autilizaçãodecontrolesouajustesouaexecuçãodeprocedimentosdiferentesdosespeciﬁcadosaqui

poderesultaremexposiçãoprejudicialàradiação.

PERIGO

AlgunsprodutosalasercontêmdiododelaserintegradodaClasse3AoudaClasse3B.Observeoseguinte:

Radiaçãoalaserquandoaberto.Nãoolhediretamenteparaofeixeaolhonuoucominstrumentosópticose

eviteexposiçãodiretaaofeixe.

≥18kg(37lbs)≥32kg(70.5lbs)≥55kg(121.2lbs)

CUIDADO:

Utilizeprocedimentosdesegurançaparalevantarequipamentos.

CUIDADO:

Obotãodecontroledealimentaçãododispositivoeobotãoparaligar/desligardafontedealimentação

nãodesligamacorrenteelétricafornecidaaodispositivo.Odispositivotambémpodetermaisdeumcabo

dealimentação.Pararemovertodaacorrenteelétricadodispositivo,assegurequetodososcabosde

alimentaçãoestejamdesconectadosdafontedealimentação.

12ThinkCentreE73HardwareMaintenanceManual

Chapter2.Safetyinformation13

14ThinkCentreE73HardwareMaintenanceManual

Chapter2.Safetyinformation15

DANGER

Lecourantélectriqueprovenantdel'alimentation,dutéléphoneetdescâblesdetransmissionpeutprésenter

undanger.

Pourévitertoutrisquedechocélectrique:

•Nemanipulezaucuncâbleetn'effectuezaucuneopérationd'installation,d'entretienoudereconﬁguration

deceproduitaucoursd'unorage.

•Brancheztouslescordonsd'alimentationsurunsocledeprisedecourantcorrectementcâbléetmisàla

terre.

•Branchezsurdessoclesdeprisedecourantcorrectementcâbléstoutéquipementconnectéàceproduit.

•Lorsquecelaestpossible,n'utilisezqu'uneseulemainpourconnecteroudéconnecterlescâbles

d'interface.

•Nemettezjamaisunéquipementsoustensionencasd'incendieoud'inondation,ouenprésencede

dommagesmatériels.

•Avantderetirerlescartersdel'unité,mettezcelle-cihorstensionetdéconnectezsescordons

d'alimentation,ainsiquelescâblesquilarelientauxréseaux,auxsystèmesdetélécommunicationetaux

modems(saufinstructioncontrairementionnéedanslesprocéduresd'installationetdeconﬁguration).

•Lorsquevousinstallez,quevousdéplacez,ouquevousmanipulezleprésentproduitoudespériphériques

quiluisontraccordés,reportez-vousauxinstructionsci-dessouspourconnecteretdéconnecterles

différentscordons.

ConnexionDéconnexion

1.MettezlesunitésHORSTENSION.

2.Commencezparbranchertouslescordonssurles

unités.

3.Branchezlescâblesd'interfacesurdesconnecteurs.

4.Branchezlescordonsd'alimentationsurdesprises.

5.MettezlesunitésSOUSTENSION.

1.MettezlesunitésHORSTENSION.

2.Débranchezlescordonsd'alimentationdesprises.

3.Débranchezlescâblesd'interfacedesconnecteurs.

4.Débrancheztouslescâblesdesunités.

ATTENTION:

Remplacerlapileaulithiumusagéeparunepilederéférenceidentiqueexclusivement,(référence

45C1566),ousuivrelesinstructionsdufabricantquiendéﬁnitleséquivalences.Sivotresystèmeest

dotéd'unmodulecontenantunepileaulithium,vousdevezleremplaceruniquementparunmodule

identique,produitparlemêmefabricant.Lapilecontientdulithiumetpeutexploserencasde

mauvaiseutilisation,demauvaisemanipulationoudemiseaurebutinappropriée.

Nepas:

•lajeteràl'eau,

•l'exposeràdestempératuressupérieuresà100°C,

•chercheràlaréparerouàladémonter.

Nepasmettrelapileàlapoubelle.Pourlamiseaurebut,sereporteràlaréglementationenvigueur.

16ThinkCentreE73HardwareMaintenanceManual

ATTENTION:

Sidesproduitsàlaser(telsquedesunitésdeCD-ROM,deDVD-ROM,desunitésàﬁbresoptiques,ou

desémetteurs)sontinstallés,prenezconnaissancedesinformationssuivantes:

•Neretirezpaslecarter.Enouvrantl'unitédeCD-ROMoudeDVD-ROM,vousvousexposezau

rayonnementdangereuxdulaser.Aucunepiècedel'unitén'estréparable.

•Pourévitertoutrisqued'expositionaurayonlaser,respectezlesconsignesderéglageet

d'utilisationdescommandes,ainsiquelesprocéduresdécritesdansleprésentmanuel.

DANGER

Certainsproduitsàlasercontiennentunediodeàlaserintégréedeclasse3Aou3B.Prenez

connaissancedesinformationssuivantes:

Rayonnementlaserlorsquelecarterestouvert.Eviteztouteexpositiondirecteaurayonlaser.Evitez

deregarderﬁxementlefaisceauoudel'observeràl'aided'instrumentsoptiques.

≥18kg(37lbs)≥32kg(70.5lbs)≥55kg(121.2lbs)

ATTENTION:

Soulevezlamachineavecprécaution.

ATTENTION:

L'interrupteurdecontrôled'alimentationdel'unitéetl'interrupteurdublocd'alimentationnecoupent

paslecourantélectriquealimentantl'unité.Enoutre,lesystèmepeutêtreéquipédeplusieurs

cordonsd'alimentation.Pourmettrel'unitéhorstension,vousdevezdéconnectertouslescordons

delasourced'alimentation.

Chapter2.Safetyinformation17

VORSICHT

AnNetz-,Telefon-undDatenleitungenkönnengefährlicheSpannungenanliegen.

AusSicherheitsgründen:

•BeiGewitterandiesemGerätkeineKabelanschließenoderlösen.FernerkeineInstallations-,

Wartungs-oderRekonﬁgurationsarbeitendurchführen.

•GerätnuraneineSchutzkontaktsteckdosemitordnungsgemäßgeerdetemSchutzkontakt

anschließen.

•AlleangeschlossenenGeräteebenfallsanSchutzkontaktsteckdosenmitordnungsgemäß

geerdetemSchutzkontaktanschließen.

•DieSignalkabelnachMöglichkeiteinhändiganschließenoderlösen,umeinenStromschlagdurch

BerührenvonOberﬂächenmitunterschiedlichemelektrischemPotenzialzuvermeiden.

•Geräteniemalseinschalten,wennHinweiseaufFeuer,WasseroderGebäudeschädenvorliegen.

•DieVerbindungzudenangeschlossenenNetzkabeln,Telekommunikationssystemen,Netzwerken

undModemsistvordemÖffnendesGehäuseszuunterbrechen,sofernindenInstallations-und

KonﬁgurationsprozedurenkeineanderslautendenAnweisungenenthaltensind.

•ZumInstallieren,TransportierenundÖffnenderAbdeckungendesComputersoderder

angeschlossenenEinheitendieKabelgemäßderfolgendenTabelleanschließenundabziehen.

ZumAnschließenderKabelgehenSiewiefolgtvorZumAbziehenderKabelgehenSiewiefolgtvor

1.SchaltenSiealleEinheitenAUS.

2.SchließenSieerstalleKabelandieEinheitenan.

3.SchließenSiedieSignalkabelandieBuchsenan.

4.SchließenSiedieNetzkabelandieSteckdosean.

5.SchaltenSiedieEinheitEIN.

1.SchaltenSiealleEinheitenAUS.

2.ZiehenSiezuerstalleNetzkabelausden

Netzsteckdosen.

3.ZiehenSiedieSignalkabelausdenBuchsen.

4.ZiehenSiealleKabelvondenEinheitenab.

CAUTION:

EineverbrauchteLithiumbatterienurdurcheineBatteriemitderTeilenummer45C1566odereine

gleichwertige,vomHerstellerempfohleneBatterieersetzen.EnthältdasSystemeinModulmiteiner

Lithiumbatterie,diesesnurdurcheinModuldesselbenTypsundvondemselbenHerstellerersetzen.

DieBatterieenthältLithiumundkannbeiunsachgemäßerVerwendung,HandhabungoderEntsorgung

explodieren.

DieBatterienicht:

•mitWasserinBerührungbringen.

18ThinkCentreE73HardwareMaintenanceManual

•über100Cerhitzen.

•reparierenoderzerlegen.

DieörtlichenBestimmungenfürdieEntsorgungvonSondermüllbeachten.

ACHTUNG:

BeiderInstallationvonLasergeräten(wieCD-ROM-Laufwerken,DVD-aufwerken,Einheitenmit

LichtwellenleitertechnikoderSendern)Folgendesbeachten:

•DieAbdeckungennichtentfernen.DurchEntfernenderAbdeckungendesLasergerätskönnen

gefährlicheLaserstrahlungenfreigesetztwerden.DasGerätenthältkeinezuwartendenTeile.

•WerdenSteuerelemente,EinstellungenoderDurchführungenvonProzedurenandersalshier

angegebenverwendet,kanngefährlicheLaserstrahlungauftreten.

VORSICHT

EinigeLasergeräteenthalteneineLaserdiodederKlasse3Aoder3B.BeachtenSieFolgendes:

LaserstrahlungbeigeöffneterVerkleidung.NichtindenStrahlblicken.KeineLupenoderSpiegel

verwenden.Strahlungsbereichmeiden.

≥18kg≥32kg≥55kg

ACHTUNG:

ArbeitsschutzrichtlinienbeimAnhebenderMaschinebeachten.

ACHTUNG:

MitdemNetzschalteranderEinheitundamNetzteilwirddieStromversorgungfürdieEinheit

nichtunterbrochen.DieEinheitkannauchmitmehrerenNetzkabelnausgestattetsein.Umdie

StromversorgungfürdieEinheitvollständigzuunterbrechen,müssenallezumGerätführenden

NetzkabelvomNetzgetrenntwerden.

Chapter2.Safetyinformation19

20ThinkCentreE73HardwareMaintenanceManual

Chapter2.Safetyinformation21

PERICOLO

Lacorrenteelettricaprovenientedaicavidialimentazione,deltelefonoedicomunicazionepuòessere

pericolosa.

Perevitareilrischiodiscosseelettriche:

•Noncollegareoscollegarequalsiasicavooppureeffettuarel'installazione,lamanutenzioneola

riconﬁgurazionedelprodottoduranteuntemporale.

•Collegaretuttiiﬁlielettriciaunapresadialimentazionecorrettamentecablataedotatadimessaa

terra.

•Collegareallepreseelettricheappropriatetutteleapparecchiaturecheverrannoutilizzateper

questoprodotto.

•Sepossibile,utilizzaresolounamanopercollegareoscollegareicavidisegnale.

•Nonaccendereassolutamenteapparecchiatureinpresenzadiincendi,perdited'acquaodanno

strutturale.

•Scollegareicavidialimentazione,isistemiditelecomunicazione,leretieilmodemprimadi

aprireicoperchideldispositivo,salvoistruzionicontrarierelativealleprocedurediinstallazionee

conﬁgurazione.

•Collegareescollegareicavicomedescrittonellaseguentetabellaquandovengonoeffettuate

operazionidiinstallazione,spostamentooaperturadeicoperchidiquestoprodottoodelleunità

collegate.

PercollegarsiPerscollegarsi

1.SPEGNEREleapparecchiature.

2.Innanzitutto,collegaretuttiicavialleunità.

3.Collegareicavidisegnaleaiconnettori.

4.Collegareicavidialimentazioneallapresa.

5.Accenderel'unità.

1.SPEGNEREleapparecchiature.

2.Innanzitutto,rimuovereicavidialimentazionedalla

presa.

3.Rimuovereicavidisegnaledaiconnettori.

4.Rimuoveretuttiicavidalleunità.

ATTENZIONE:

Quandosisostituiscelabatteriaallitio,utilizzaresoloilNumeroparte45C1566ountipodibatteria

equivalenteconsigliatodalproduttore.Sesulsistemaèpresenteunmodulochecontieneunabatteria

allitio,sostituirlosoloconuntipodimodulodellostessotipodellastessacasadiproduzione.La

batteriacontienelitioepuòesplodereseusata,maneggiataosmaltitainmodononcorretto.

Non:

•Gettareoimmergerelabatterianell'acqua

•Riscaldarlaadunatemperaturasuperioreai100gradiC(212gradiF)

•Smontarla,ricaricarlaotentarediripararla

Lebatterieusatevannosmaltiteinaccordoallanormativainvigore(DPR915/82esuccessive

disposizioniedisposizionilocali).

22ThinkCentreE73HardwareMaintenanceManual

ATTENZIONE:

Quandovengonoinstallatiprodottilaser(qualiCD-ROM,unitàDVD-ROM,unitàaﬁbreotticheo

trasmittenti),tenerpresentequantosegue:

•Nonrimuovereglisportelli.L'aperturadiun'unitàlaserpuòdeterminarel'esposizionearadiazioni

laserpericolose.All'internodell'unitànonvisonopartisucuieffettuarel'assistenzatecnica.

•L'utilizzodicontrolli,regolazioniol'esecuzionediprocedurenondescrittinelpresentemanuale

possonoprovocarel'esposizionearadiazionipericolose.

PERICOLO

AlcuneunitàlasercontengonoundiodolaserdiClasse3AoClasse3B.Tenerpresentequantosegue:

Aprendol'unitàvengonoemesseradiazionilaser.Nonﬁssareilfascio,nonguardarlodirettamente

construmentiotticiedevitarel'esposizionealfascio.

≥18kg≥32kg≥55kg

ATTENZIONE:

Prestareattenzionenelsollevarel'apparecchiatura.

ATTENZIONE:

Ilpulsantedicontrollodell'alimentazionepresentesull'unitàel'interruttoredell'alimentatorenon

disattivanol'alimentazionecorrentefornitaall'unità.E'possibilechel'unitàdispongadipiùcavidi

alimentazione.Perdisattivarel'alimentazionedall'unità,accertarsichetuttiicavidialimentazione

sianoscollegatidallafontedialimentazione.

Chapter2.Safetyinformation23

24ThinkCentreE73HardwareMaintenanceManual

PELIGRO

Lacorrienteeléctricaprocedentedecablesdealimentación,teléfonosycablesdecomunicaciónpuede

serpeligrosa.

Paraevitarelriesgodedescargaeléctrica:

•Noconectenidesconecteloscablesnirealiceningunatareadeinstalación,mantenimientoo

reconﬁguracióndeesteproductoduranteunatormentaeléctrica.

•Conectetodosloscablesdealimentaciónatomasdecorrientedebidamentecableadasy

conectadasatierra.

•Cualquierequipoqueseconecteaesteproductotambiéndebeconectarseatomasdecorriente

debidamentecableadas.

•Siemprequeseaposible,utiliceunasolamanoparaconectarodesconectarloscablesdeseñal.

Chapter2.Safetyinformation25

•Noenciendanuncaunequipocuandohayseñalesdefuego,aguaodañosestructurales.

•Desconecteloscablesdealimentación,lossistemasdetelecomunicaciones,lasredesylos

módemsconectadosantesdeabrirlascubiertasdelosdispositivos,amenosqueseindiquelo

contrarioenlosprocedimientosdeinstalaciónyconﬁguración.

•Conecteydesconecteloscables,comosedescribeenlatablasiguiente,cuandoinstale,muevao

abralascubiertasdeesteproductoodelosdispositivosconectados.

ParaconectarParadesconectar

1.APÁGUELOtodo.

2.Enprimerlugar,conectetodosloscablesalos

dispositivos.

3.Conecteloscablesdeseñalalosconectores.

4.Enchufeloscablesdealimentaciónalastomasde

corriente.

5.Enciendaeldispositivo.

1.APÁGUELOtodo.

2.Enprimerlugar,desenchufeloscablesdealimentación

delastomasdecorriente.

3.Desconecteloscablesdeseñaldelosconectores.

4.Desconectetodosloscablesdelosdispositivos.

PRECAUCIÓN:

Cuandosustituyaunabateríadelitio,utilicesolamenteunabateríanúmerodepieza45C1566uotra

detipoequivalenterecomendadaporelfabricante.Sisusistemadisponedeunmóduloquecontiene

unabateríadelitio,reemplácelosóloconelmismotipodemódulo,delmismofabricante.Labatería

contienelitioypuedeexplotarsinoseutiliza,manipulaodesechacorrectamente.

Nodebe:

•Arrojarlaalaguaosumergirlaenella

•Exponerlaatemperaturassuperioresa100°C(212°F)

•Repararlaodesmontarla

Deshágasedelabateríasegúnespeciﬁquenlasleyesonormaslocales.

PRECAUCIÓN:

Cuandohayaproductosláser(comounidadesdeCD-ROM,unidadesdeDVD,dispositivosdeﬁbra

ópticaotransmisores)instalados,tengaencuentalosiguiente:

•Noquitelascubiertas.Siquitalascubiertasdelproductoláser,podríaquedarexpuestoaradiación

láserpeligrosa.Dentrodeldispositivonoexisteningunapiezaquerequieraserviciotécnico.

•Siusacontrolesoajustesorealizaprocedimientosquenoseanlosespeciﬁcadosaquí,podría

exponersearadiacionespeligrosas.

PELIGRO

26ThinkCentreE73HardwareMaintenanceManual

Algunosproductoslásertienenincorporadoundiodoláserdeclase3Aoclase3B.Tengaencuentalo

Cuandoseabre,quedaexpuestoaradiaciónláser.Nomiredirectamentealrayoláser,nisiquieracon

instrumentosópticos,yeviteexponersedirectamentealrayoláser.

≥18kg≥32kg≥55kg

PRECAUCIÓN:

Adopteprocedimientossegurosallevantarelequipo.

PRECAUCIÓN:

Elbotóndecontroldealimentacióndeldispositivoyelinterruptordealimentacióndelafuentede

alimentaciónnodesconectanlacorrienteeléctricasuministradaaldispositivo.Además,eldispositivo

podríatenermásdeuncabledealimentación.Parasuprimirtodalacorrienteeléctricadeldispositivo,

asegúresedequetodosloscablesdealimentaciónesténdesconectadosdelatomadecorriente.

Chapter2.Safetyinformation27

28ThinkCentreE73HardwareMaintenanceManual

Chapter3.Generalinformation

Thischapterprovidesgeneralinformationthatappliestoallmachinetypessupportedbythismanual.

Speciﬁcations

Thissectionliststhephysicalspeciﬁcationsforyourcomputer.

Formachinetypes:10AS,10AV,10DR,and10DS

Dimensions

Width:160mm(6.3inches)

Height:396.5mm(15.6inches)

Depth:399.6mm(15.7inches)

Weight

Maximumconﬁgurationasshipped:7.5kg(16.5lb)(withoutpackage)

Maximumconﬁgurationasshipped:10.5kg(23.1lb)(withpackage)

Environment

•Airtemperature:

Operating:10°Cto35°C(50°Fto95°F)

Storageinoriginalshippingpackage:-40°Cto60°C(-40°Fto140°F)

Storagewithoutpackage:-10°Cto60°C(14°Fto140°F)(withoutpackage)

•Humidity:

Operating:20%to80%(non-condensing)

Non-operating:20%to90%(non-condensing)

•Altitude:

Operating:-15.2to3048m(-50to10000ft)

Non-operating:-15.2to10668m(-50to35000ft)

Electricalinput

•Inputvoltage:

–Lowrange:

Minimum:100Vac

Maximum:127Vac

Inputfrequencyrange:50/60Hz

–Highrange:

Minimum:200Vac

Maximum:240Vac

Inputfrequencyrange:50/60Hz

©CopyrightLenovo2013,201529

Formachinetypes:10AU,10AW,10BF,10BG,10DU,and10DT

Dimensions

Width:97mm(3.8inches)

Height:333mm(13.1inches)

Depth:368mm(14.5inches)

Weight

Maximumconﬁgurationasshipped:6kg(13.2lb)(withoutpackage)

Maximumconﬁgurationasshipped:8.5kg(18.7lb)(withpackage)

Environment

•Airtemperature:

Operating:10°Cto35°C(50°Fto95°F)

Storageinoriginalshippingpackage:-40°Cto60°C(-40°Fto140°F)

Storagewithoutpackage:-10°Cto60°C(14°Fto140°F)(withoutpackage)

•Humidity:

Operating:20%to80%(non-condensing)

Non-operating:20%to90%(non-condensing)

•Altitude:

Operating:-15.2to3048m(-50to10000ft)

Non-operating:-15.2to10668m(-50to35000ft)

Electricalinput

•Inputvoltage:

–Lowrange:

Minimum:100Vac

Maximum:127Vac

Inputfrequencyrange:50/60Hz

–Highrange:

Minimum:200Vac

Maximum:240Vac

Inputfrequencyrange:50/60Hz

Lenovoprograms

YourcomputercomeswithLenovoprogramstohelpyouworkmoreeasilyandsecurely.Dependingonthe

Windows®operatingsystempreinstalled,theprogramsmightvary.

Accessingaprogramonyourcomputer

Note:ForWindows7,someoftheLenovoprogramsmightbereadytobeinstalled,soyouneedtoinstall

themmanually.Then,youcanaccessandusetheseprograms.Toinstallaprogramthatisreadytobe

installed,opentheLenovoThinkVantage®Toolsprogram,andthenviewtheprogramiconsusingTiles.

Followtheinstructionsundergreyed-outiconstolocatetheiconforthedesiredprogram.Double-click

theicontoinstalltheprogram.

Toaccessaprogramonyourcomputer,dooneofthefollowing:

•ForWindows7orWindows10:

30ThinkCentreE73HardwareMaintenanceManual

–FromWindowsSearch:

1.DependingonyourWindowsversion,dooneofthefollowing:

–ForWindows7:ClicktheStartbuttontoopentheStartmenu,andthentypetheprogram

nameintothesearchbox.

–ForWindows10:TypetheprogramnameintothesearchboxnexttotheStartbutton.

2.Inthesearchresults,clickthenameofthedesiredprogramtolaunchtheprogram.

–FromtheStartmenuorControlPanel:

1.ClicktheStartbuttontoopentheStartmenu.Then,clickthenameofthedesiredprogramto

launchtheprogram.

2.Iftheprogramnameisnotdisplayed,clickAllProgramsforWindows7orAllappsforWindows

10todisplaytheprogramlist.Fromthelistorafolderinthelist,clickthenameofthedesired

programtolaunchtheprogram.

3.IftheprogramnameisnotdisplayedontheStartmenu,accesstheprogramfromControlPanel.

a.DependingonyourWindowsversion,dooneofthefollowing:

–ForWindows7:ClickControlPanelontheStartmenu.

–ForWindows10:Right-clicktheStartbuttontoopentheStartcontextmenu,andthen

clickControlPanel.

b.ViewControlPanelusingLargeiconsorSmallicons,andthenclickthenameofthedesired

programtolaunchtheprogram.

•ForWindows8orWindows8.1:

1.PresstheWindowskeytogototheStartscreen.Clickthenameofthedesiredprogramto

launchtheprogram.

2.Ifyoucannotﬁndtheprogramyouneed,dependingonyourWindowsversion,dooneofthefollowing:

–ForWindows8:Movethepointertothebottom-rightcornerofthescreentodisplaythecharms.

ThenclicktheSearchcharmtosearchforthedesiredprogram.

–ForWindows8.1:Clickthearrowiconinthebottom-leftcornerofthescreentogotothe

Appsscreen.Findthedesiredprogramintheappslistorsearchforitinthesearchboxinthe

top-rightcornerofthescreen.

AnintroductiontoLenovoprograms

ThissectionprovidesinformationaboutthemajorLenovoprogramsavailableonyouroperatingsystem.

Note:Dependingonyourcomputermodel,someofthefollowingprogramsmightnotbeavailable.

•ForWindows7only:

–CreateRecoveryMedia

TheCreateRecoveryMediaprogramenablesyoutorestoreonlytheCdriveortheentirestorage

drivetothefactory-defaultsettings.

–LenovoPowerENGAGE

TheLenovoPowerENGAGEprogramenablesyoutoregisteryourcomputerwithLenovo.

–MessageCenterPlus

TheMessageCenterPlusprogramautomaticallydisplaysmessagesinformingyouaboutimportant

noticesfromLenovo,suchasalertsonsystemupdatesandalertsonconditionsthatrequireyour

attention.

Chapter3.Generalinformation31

–RescueandRecovery®

TheRescueandRecoveryprogramisaone-buttonrecoveryandrestoresolution.Itincludesaset

ofself-recoverytoolstohelpyoudiagnosecomputerproblems,gethelp,andrecoverfromsystem

crashes,evenifyoucannotstarttheWindowsoperatingsystem.

•ForWindows10only:

–LenovoID

TheLenovoIDprogramenablesyoutocreateyourLenovoIDandaccessallsupportedLenovo

programsandwebportalswithsinglesign-on.

•ForWindows8andWindows8.1:

–LenovoSupport

TheLenovoSupportprogramenablesyoutoregisteryourcomputerwithLenovo,checkthecomputer

healthconditionandbatterystatus,downloadandviewusermanualsforyourcomputer,getthe

warrantyinformationofyourcomputer,andexplorehelpandsupportinformation.

•ForWindows7,Windows8,andWindows8.1:

–FingerprintManagerProorThinkVantageFingerprintSoftware

TheFingerprintManagerProorThinkVantageFingerprintSoftwareprogramenablesyoutousea

ﬁngerprintreader.Theintegratedﬁngerprintreaderprovidedonsomekeyboardsenablesyoutoenroll

yourﬁngerprintandassociateitwithyourpower-onpassword,harddiskpassword,andWindows

password.Asaresult,ﬁngerprintauthenticationcanreplacepasswordsandenablesimpleandsecure

useraccess.

–PasswordManager

ThePasswordManagerprogramautomaticallycapturesandﬁllsinauthenticationinformationfor

WindowsprogramsandWebsites.

–SystemUpdate

TheSystemUpdateprogramprovidesregularaccesstothesystemupdatesforyourcomputer,such

asdevicedriverupdates,softwareupdates,andBIOSupdates.Theprogramgathersinformationfrom

theLenovoHelpCenteraboutnewupdatesforyourcomputer,thensortsanddisplaystheupdatesfor

downloadandinstallation.Youhavecompletecontrolofwhichupdatestodownloadandinstall.

•ForWindows7,Windows8.1,andWindows10:

–LenovoBluetoothLock

TheLenovoBluetoothLockprogramenablesyoutouseaBluetoothdevice(suchasyoursmartphone)

asaproximity-basedunitforlockingorunlockingyourcomputerautomatically.Bydetectingthe

distancebetweenyourcomputerandthepredeﬁnedBluetoothdevicethatyouarecarrying,theLenovo

BluetoothLockprogramautomaticallylocksyourcomputerwhenyouwalkawayandunlocksyour

computerwhenyoucomeback.Thisisasimplewaytoprotectyourcomputeragainstunauthorized

accessincasethatyouforgettolockyourcomputer.

–PCCloudManager

ThePCCloudManager(PCM)programisabrowser-basedsolutionforclient-computermanagement.

ThePCMprogramhastwocomponents:PCMServerandPCMClient.PCMServerisinstalledon

thecomputer,wheretheadministratorperformsmanagementwork,suchaspowermanagement

andsecuritymanagement.PCMClientisinstalledontheclientcomputerstobemanaged.The

administratorcanlogintoPCMServertomanagecomputerswithPCMClientinstalled,throughthe

InternetWebbrowser.

•ForWindows8,Windows8.1,andWindows10:

32ThinkCentreE73HardwareMaintenanceManual

–LenovoCompanion

Yourcomputer’sbestfeaturesandcapabilitiesshouldbeeasytoaccessandunderstand.WithLenovo

Companion,theyare.UseLenovoCompaniontodothefollowing:

–Optimizeyourcomputer’sperformance,monitoryourcomputer’shealth,andmanageupdates.

–Accessyouruserguide,checkwarrantystatus,andviewaccessoriescustomizedforyourcomputer.

–Readhow-toarticles,exploreLenovoforums,andstayup-to-dateontechnologynewswitharticles

andblogsfromtrustedsources.

LenovoCompanionisﬁlledwithexclusiveLenovocontenttohelpyoulearnmoreaboutwhatyou

candowithyourcomputer.

•ForWindows7,Windows8,Windows8.1,andWindows10:

–LenovoDeviceExperienceorLenovoPCExperience

TheLenovoDeviceExperienceorLenovoPCExperienceprogramhelpsyouworkmoreeasilyand

securely.TheprogramprovideseasyaccesstoLenovoThinkVantageToolsorLenovoTools,important

settingsandinformationaboutyourcomputer,theLenovoSupportWebsite,andsoon.

–LenovoSolutionCenter

TheLenovoSolutionCenterprogramenablesyoutotroubleshootandresolvecomputerproblems.It

combinesdiagnostictests,systeminformationcollection,securitystatus,andsupportinformation,

alongwithhintsandtipsformaximumsystemperformance.

–PowerManager

ThePowerManagerprogramprovidesconvenient,ﬂexible,andcompletepowermanagementfor

yourcomputer.Itenablesyoutoadjustyourcomputerpowersettingstoachievethebestbalance

betweenperformanceandpowersaving.

–REACHitorLenovoReach

TheREACHitorLenovoReachprogramenhancesyourcloudexperience.Thisprogramkeepsyou

connectedatalltimesandenablesyoutoaccessallyourfavoriteitemsfrompersonalcomputers,

smartphones,ortablets.Asaresult,youcanaccess,edit,andshareyourﬁlesfromanywhere.You

alsocanaddyourfavoriteWebservicestoyourclouddesktopandstaylogged-intoWebsiteswith

thecloudpasswordmanager.

–SHAREitorLenovoSHAREit

TheSHAREitorLenovoSHAREitprogramprovidesaquickandeasywaytoshareﬁlesandfolders

amongcomputers,smartphones,tablets,orsmartTVswiththeAndroidortheWindowsoperating

systeminstalled.SHAREitorLenovoSHAREitusesanytypeofnetworkorevennonetworkatallto

shareﬁlesandfolders.

LenovoSupportWebsite

TechnicalsupportinformationisavailableontheLenovoSupportWebsiteat:

http://www.lenovo.com/support

ThisWebsiteisupdatedwiththelatestsupportinformationsuchasthefollowing:

•Driversandsoftware

•Diagnosticsolutions

•Productandservicewarranty

•Productandpartsdetails

•Userguidesandmanuals

•Knowledgebaseandfrequentlyaskedquestions

Chapter3.Generalinformation33

34ThinkCentreE73HardwareMaintenanceManual

Chapter4.Generalcheckout

Attention

Thedrivesinthecomputeryouareservicingmighthavebeenrearrangedorthedrivestartupsequencemight

havebeenchanged.Beextremelycarefulduringwriteoperationssuchascopying,saving,orformatting.

Dataorprogramscanbeoverwrittenifyouselectanincorrectdrive.

Generalerrormessagesappearifaproblemorconﬂictisfoundbyanapplicationprogram,theoperating

system,orboth.Fortheexplanationofthesemessages,refertotheinformationsuppliedwiththatsoftware

package.

BeforereplacingaFRU,ensurethatthelatestlevelofBIOSisinstalledonthesystem.Adown-levelBIOS

mightcausefalseerrorsandunnecessaryreplacementofthesystemboard.Formoreinformationonhowto

determineandobtainthelatestlevelBIOS,see“BIOSlevels”onpage173.

Usethefollowingproceduretohelpdeterminethecauseofaproblem:

1.Power-offthecomputerandallexternaldevices.

2.Checkallcablesandpowercords.

3.Setalldisplaycontrolstothemiddleposition.

4.Power-onallexternaldevices.

5.Power-onthecomputer.

•Lookfordisplayederrorcodes

•Listenforbeepcodes

•Lookforreadableinstructionsoramainmenuonthedisplay.

Ifyoudidnotreceivethecorrectresponse,proceedtostep6.

Ifyoudoreceivethecorrectresponse,proceedtostep7.

6.Lookatthefollowingconditionsandfollowtheinstructions:

•IfyouhearbeepcodesduringPOST,goto“Beepsymptoms”onpage61.

•IfthecomputerdisplaysaPOSTerror,goto“POSTerrorcodes”onpage62.

•Ifthecomputerhangsandnoerrorisdisplayed,turnoffthecomputerandthepower.Then,turnthe

powerandthecomputerbackon,continueatstep7.

7.RuntheDiagnosticprograms.See“Diagnostics”onpage53.

•Ifyoureceiveanerror,replacethepartthatthediagnosticprogramcallsout.

•Iftheteststopsandyoucannotcontinue,replacethelastdevicetested.

Problemdeterminationtips

Duetothevarietyofhardwareandsoftwarecombinationsthatcanbeencountered,usethefollowing

informationtoassistyouinproblemdetermination.Ifpossible,havethisinformationavailablewhen

requestingassistancefromServiceSupportandEngineeringfunctions.

•Machinetypeandmodel

•Processororharddiskdriveupgrades

•Failuresymptom

–Dodiagnosticsindicateafailure?

–What,when,where,single,ormultiplesystems?

–Isthefailurerepeatable?

©CopyrightLenovo2013,201535

–Hasthisconﬁgurationeverworked?

–Ifithasbeenworking,whatchangesweremadepriortoitfailing?

–Isthistheoriginalreportedfailure?

•Diagnosticsversion

–Typeandversionlevel

•Hardwareconﬁguration

–Print(printscreen)conﬁgurationcurrentlyinuse

–BIOSlevel

•Operatingsystemsoftware

–Typeandversionlevel

Note:Toeliminateconfusion,identicalsystemsareconsideredidenticalonlyifthey:

1.Aretheexactmachinetypeandmodels

2.HavethesameBIOSlevel

3.Havethesameadapters/attachmentsinthesamelocations

4.Havethesameaddressjumpers/terminators/cabling

5.Havethesamesoftwareversionsandlevels

6.Havethesamediagnosticdiskettes(version)

7.Havethesameconﬁgurationoptionssetinthesystem

8.Havethesamesetupforoperating-system-controlledﬁles

Comparingtheconﬁgurationandsoftwareset-upbetween“workingandnon-working”systemswilloften

leadtoproblemresolution.

36ThinkCentreE73HardwareMaintenanceManual

Chapter5.Troubleshootinganddiagnostics

Thischapterdescribessomebasictroubleshootinganddiagnosticprograms.Ifyourcomputerproblemis

notdescribedhere,see“LenovoSupportWebsite”onpage33foradditionaltroubleshootingresources.

Basictroubleshooting

Thefollowingtableprovidesinformationtohelpyoutroubleshootyourcomputerproblems.

Note:Ifyoucannotcorrecttheproblem,havethecomputerserviced.Foralistofserviceandsupport

telephonenumbers,refertotheSafety,Warranty,andSetupGuidethatcomeswithyourcomputerorgoto

theLenovoSupportWebsiteathttp://www.lenovo.com/support/phone.

SymptomAction

Thecomputerdoesnotstart

whenyoupressthepower

switch.

Verifythat:

•Thepowercordiscorrectlyconnectedtotherearofthecomputerandtoa

workingelectricaloutlet.

•Ifyourcomputerhasasecondarypowerswitchontherearofthecomputer,

makesurethatitisswitchedon.

•Thepowerindicatoronthefrontofthecomputerison.

•Thecomputervoltagematchesthevoltageavailableattheelectricaloutletfor

yourcountryorregion.

Themonitorscreenisblank.Verifythat:

•Themonitorsignalcableiscorrectlyconnectedtothemonitorandtothe

appropriatemonitorconnectoronthecomputer.

•Themonitorpowercordiscorrectlyconnectedtothemonitorandtoaworking

electricaloutlet.

•Themonitoristurnedonandthebrightnessandcontrastcontrolsareset

correctly.

•Thecomputervoltagematchesthevoltageavailableattheelectricaloutletfor

yourcountryorregion.

•Ifyourcomputerhastwomonitorconnectors,besuretousetheconnector

onthegraphicscard.

Thekeyboarddoesnotwork.Verifythat:

•Thecomputeristurnedon.

•ThekeyboardissecurelyconnectedtoaUSBconnectoronthecomputer.

•Nokeysarestuck.

Themousedoesnotwork.Verifythat:

•Thecomputeristurnedon.

•ThemouseissecurelyconnectedtoaUSBconnectoronthecomputer.

•Themouseisclean.

©CopyrightLenovo2013,201537

SymptomAction

Theoperatingsystemdoesnot

start.

Verifythat:

•Thestartupsequenceincludesthedevicewheretheoperatingsystemresides.

Usually,theoperatingsystemisontheharddiskdrive.Formoreinformation,

see“Selectingastartupdevice”onpage58.

Thecomputerbeepsmultiple

timesbeforetheoperating

systemstarts.

Verifythatnokeysarestuck.

AccessingControlPanelontheWindows8orWindows8.1operating

system

OntheWindowsoperatingsystem,youcanviewandchangecomputersettingsthroughControlPanel.To

accessControlPanelontheWindows8orWindows8.1operatingsystem,dooneofthefollowing:

•Fromthedesktop

1.Movethepointertothetop-rightorbottom-rightcornerofthescreentodisplaythecharms.

2.ClickSettings.

3.ClickControlPanel.

•FromtheStartscreen

–ForWindows8:

1.Movethepointertothetop-rightorbottom-rightcornerofthescreentodisplaythecharms.

2.ClickSearch.

3.OntheAppsscreen,scrolltotherightside,andclickControlPanelintheWindowsSystem

section.

–ForWindows8.1:

1.Clickthearrowiconinthebottom-leftcornerofthescreentogototheAppsscreen.

2.Scrolltotherightside,andclickControlPanelintheWindowsSystemsection.

Troubleshootingprocedure

Usethefollowingprocedureasastartingpointfordiagnosingproblemsyouareexperiencingwithyour

computer:

1.Verifythatthecablesforallattacheddevicesareconnectedcorrectlyandsecurely.

2.Verifythatallattacheddevicesthatrequireacpowerareconnectedtoproperlygrounded,functioning

electricaloutlets.

3.VerifythatallattacheddevicesareenabledintheBIOSsettingsofyourcomputer.Formoreinformation

aboutaccessingandchangingtheBIOSsettings,refertoyourChapter6“UsingtheSetupUtility

program”onpage55.

4.Gotothe“Troubleshooting”onpage39andfollowtheinstructionsforthetypeofproblemyouare

experiencing.IftheTroubleshootinginformationdoesnothelpyouresolveaproblem,continuewiththe

nextstep.

5.Tryusingapreviouslycapturedconﬁgurationtoseeifarecentchangetohardwareorsoftwaresettings

hascausedaproblem.Beforerestoringapreviousconﬁguration,captureyourcurrentconﬁgurationin

casetheolderconﬁgurationsettingsdonotsolvetheproblemorhaveadverseaffects.Torestorea

capturedconﬁguration,dothefollowing:

a.OpenControlPanelbydoingoneofthefollowing:

•ForWindows7:ClicktheStartbuttontoopentheStartmenu,andthenclickControlPanel.

38ThinkCentreE73HardwareMaintenanceManual

•ForWindows8orWindows8.1:See“AccessingControlPanelontheWindows8orWindows

8.1operatingsystem”onpage38.

•ForWindows10:Right-clicktheStartbuttontoopentheStartcontextmenu,andthenclick

ControlPanel.

b.ViewControlPanelusingLargeiconsorSmallicons,andthenclickRecovery➙OpenSystem

Restore.

c.Followtheinstructionsonthescreen.

Ifthisdoesnotcorrecttheproblem,continuewiththenextstep.

6.Runthediagnosticprogram.See“LenovoSolutionCenter”onpage53formoreinformation.

•Ifthediagnosticprogramdetectsahardwarefailure,contacttheLenovoCustomerSupportCenter.

See“LenovoSupportWebsite”onpage33formoreinformation.

•Ifyouareunabletorunthediagnosticprogram,contacttheLenovoCustomerSupportCenter.See

“LenovoSupportWebsite”onpage33formoreinformation.

•Ifthediagnosticprogramdoesnotdetectahardwarefailure,continuewiththenextstep.

7.Useanantivirusprogramtoseeifyourcomputerhasbeeninfectedbyavirus.Iftheprogramdetectsa

virus,removethevirus.

8.Ifnoneoftheseactionssolvetheproblem,seektechnicalassistance.See“LenovoSupportWeb

site”onpage33formoreinformation.

Troubleshooting

Usethetroubleshootinginformationtoﬁndsolutionstoproblemsthathavedeﬁnitesymptoms.

Ifthesymptomyourcomputerisexperiencingoccurredimmediatelyafteryouinstalledanewhardware

optionornewsoftware,dothefollowingbeforereferringtothetroubleshootinginformation:

1.Removethenewhardwareoptionorsoftware.Ifyoumustremovethecomputercovertoremovea

hardwareoption,makesureyoureviewandfollowtheelectricalsafetyinformationprovidedwithyour

computer.Foryoursafety,donotoperatethecomputerwiththecoverremoved.

2.Runthediagnosticprogramstoensureyourcomputerisoperatingcorrectly.

3.Reinstallthenewhardwareoptionorsoftwarefollowingthemanufacturer'sinstructions.

Selecttheproblemyourcomputerisexperiencingfromthefollowinglist:

•“Audioproblems”onpage40

•“CDproblems”onpage41

•“DVDproblems”onpage41

•“Intermittentproblems”onpage43

•“Harddiskdriveproblems”onpage43

•“Keyboard,mouse,orpointingdeviceproblems”onpage44

•“Monitorproblems”onpage45

•“Networkingproblems”onpage46

•“Optionproblems”onpage48

•“Performanceandlockupproblems”onpage49

•“Printerproblems”onpage51

•“Serialportproblems”onpage51

•“Softwareproblems”onpage51

•“USBproblems”onpage53

Chapter5.Troubleshootinganddiagnostics39

Audioproblems

Selectyoursymptomfromthefollowinglist:

•“NoaudioinWindows”onpage40

•“AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitisinsertedintoadrive”

onpage40

•“Soundcomesfromoneexternalspeakeronly”onpage40

•“NoaudioinDOSapplicationsorgames”onpage41

NoaudioinWindows

Symptom:NoaudioinWindows

Actions:

•IfyouareusingpoweredexternalspeakersthathaveanOn/Offcontrol,verifythattheOn/Offcontrolis

settotheOnpositionandthespeakerpowercableisconnectedtoaproperlygrounded,functionalac

electricaloutlet.

•Ifyourexternalspeakershaveavolumecontrol,verifythatthevolumecontrolisnotsettoolow.

•Double-clickthespeakericonintheWindowsnotiﬁcationarea.Amastervolume-controlwindowopens.

VerifythattheMutesettingsarenotcheckedandnoneofthevolumesettingsissettoolow.

•Verifythatyourexternalspeakers(andheadphones,ifused)areconnectedtothecorrectaudioconnector

onthecomputer.Mostspeakercablesarecolor-codedtomatchtheconnector.

Note:Whenexternal-speakerorheadphonecablesareattachedtotheaudioconnector,theinternal

speaker,ifpresent,isdisabled.Inmostcases,ifanaudioadapterisinstalledinoneoftheexpansionslots,

theaudiofunctionbuiltintothesystemboardisdisabled;usetheaudiojacksontheadapter.

•MakesurethattheprogramyouarerunningisdesignedforuseintheMicrosoft®Windowsoperating

system.IftheprogramisdesignedtoruninDOS,theprogramdoesnotusetheWindowssoundfeature

andmustbeconﬁguredtouseSoundBlasterProorSoundBlasteremulation.

•Verifythattheaudiodevicedriversarecorrectlyinstalled.SeeMicrosoftWindowshelpsystemfor

moreinformation.

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on

page53forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage33.

AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitis

insertedintoadrive

Symptom:AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitisinsertedintoadrive

Action:See“CDproblems”onpage41.

Soundcomesfromoneexternalspeakeronly

Symptom:Soundcomesfromoneexternalspeakeronly.

Actions:

•Ensurethatthespeakercableisinsertedcompletelyintotheconnectoronthecomputer.

•Makesurethecablethatattachestheleftspeakertotherightspeakerissecurelyconnected.

•Double-clickthespeakericonintheWindowsnotiﬁcationarea.Amastervolume-controlwindowopens.

VerifythattheBalancesettingsaresetcorrectly.

40ThinkCentreE73HardwareMaintenanceManual

Iftheseactionsdonotcorrecttheproblem,youmighthaveafailingspeaker.Havethespeakerserviced.If

youneedtechnicalassistance,see“LenovoSupportWebsite”onpage33.

NoaudioinDOSapplicationsorgames

Symptom:NoaudioinDOSapplicationsorgames

Actions:

•MakesuretheDOSapplicationorgameisconﬁguredtouseSoundBlasterProorSoundBlaster

emulation.Refertothedocumentationthatcomeswiththeapplicationorgameforinstructionson

settingsound-cardsettings.

•Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on

page53forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage33.

CDproblems

Selectyoursymptomfromthefollowinglist:

•“ACDorDVDdoesnotwork”onpage41

•“Unabletouseastartable(bootable)recoverymedium,suchastheProductRecoveryCD,tostart

yourcomputer”onpage41

ACDorDVDdoesnotwork

Symptom:ACDorDVDdoesnotwork.

Actions:

•IfyouhavemultipleCDorDVDdrivesinstalled(oracombinationofCDandDVDdrives),tryinsertingthe

discintotheotherdrive.Insomecases,onlyoneofthedrivesisconnectedtotheaudiosubsystem.

•Verifythatthediscisinsertedcorrectly,withitslabelup.

•Ensurethatthediscyouareusingisclean.Toremovedustorﬁngerprints,wipethedisccleanwithasoft

clothfromthecentertotheoutside.Wipingadiscinacircularmotionmightcauselossofdata.

•Verifythatthediscyouareusingisnotscratchedordamaged.Tryinsertinganotherdiscthatyouknow

isgood.Ifyoucannotreadfromaknown-gooddisc,youmighthaveaproblemwithyourCDorDVD

driveorthecablingtoyourCDorDVDdrive.Ensurethatthepowercableandsignalcablearesecurely

connectedtothedrive.

Unabletouseastartable(bootable)recoverymedium,suchastheProductRecovery

CD,tostartyourcomputer

Symptom:Unabletouseastartable(bootable)recoverymedium,suchastheProductRecoveryCD,

tostartyourcomputer.

Action:MakesurethattheCDorDVDdriveisinthestartupsequencebeforetheharddiskdrive.Refer

toyour“Selectingorchangingthestartupdevicesequence”onpage58forinformationonviewingand

changingthestartupsequence.Notethatonsomemodelsthestartupsequenceispermanentlysetand

cannotbechanged.

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on

page53forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage33.

DVDproblems

Selectyoursymptomfromthefollowinglist:

Chapter5.Troubleshootinganddiagnostics41

•“BlackscreeninsteadofDVDvideo”onpage42

•“DVDmoviewillnotplay”onpage42

•“NoaudioorintermittentaudiowhileplayingDVDmovie”onpage42

•“Playbackisverysloworchoppy”onpage42

•“Invaliddiscornodiscfoundmessage”onpage43

BlackscreeninsteadofDVDvideo

Symptom:BlackscreeninsteadofDVDvideo

Actions:

•RestarttheDVDplayerprogram.

•Closeanyopenﬁles,turnoffthecomputer,andthenrestartthecomputer.

•Tryalowerscreenresolutionorcolordepth.

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on

page53forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage33.

DVDmoviewillnotplay

Symptom:DVDmoviewillnotplay.

Actions:

•Makesurethatthediscsurfaceiscleanandnotscratched.

•Checkthediscorpackageforregionalcoding.Youmightneedtopurchaseadiscwithcodingfor

theregionwhereyouareusingyourcomputer.

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on

page53forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage33.

NoaudioorintermittentaudiowhileplayingDVDmovie

Symptom:NoaudioorintermittentaudiowhileplayingDVDmovie.

Actions:

•Checkthevolumecontrolsettingsonyourcomputerandonyourspeakers.

•Makesurethatthediscsurfaceiscleanandnotscratched.

•Checkallcableconnectionstoandfromthespeakers.

•UsetheDVDmenuforthevideotoselectadifferentaudiotrack.

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on

page53forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage33.

Playbackisverysloworchoppy

Symptom:Playbackisverysloworchoppy.

Actions:

•Disableanybackgroundprograms,suchasAntiVirusorDesktopThemes.

•Ensurethatvideoresolutionissettolessthan1152x864.

42ThinkCentreE73HardwareMaintenanceManual

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on

page53forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage33.

Invaliddiscornodiscfoundmessage

Symptom:Invaliddiscornodiscfoundmessage

Actions:

•EnsurethataDVDdiscisinthedrivewiththeshinysideofthediscfacingdown.

•Ensurethatvideoresolutionissettolessthan1152x864.

•OncomputersthathaveaCD-ROMorCD-RWdriveinadditiontoaDVD-ROMdrive,makesurethatthe

DVDdiscisinthedrivelabeled“DVD”.

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on

page53forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage33.

Intermittentproblems

Symptom:Aproblemoccursonlyoccasionallyandisdifﬁculttorepeat.

Actions:

•Verifythatallcablesandcordsaresecurelyconnectedtothecomputerandattacheddevices.

•Verifythatwhenthecomputerison,thefangrillisnotblocked(thereisairﬂowaroundthegrill),andthe

fansareworking.Ifairﬂowisblockedorthefansarenotworking,thecomputermightoverheat.

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on

page53forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage33.

Harddiskdriveproblems

Selectyoursymptomfromthefollowinglist:

•“SomeorallharddiskdrivesmissingfromtheSetupUtilityprogram”onpage43

•“"NoOperatingSystemFound"messageorthesystemnotstartingfromthecorrectharddiskdrive”

onpage44

SomeorallharddiskdrivesmissingfromtheSetupUtilityprogram

Symptom:SomeorallharddiskdrivesmissingfromtheSetupUtilityprogram

Actions:

•Ensurethatallharddiskdrivesignalcablesandpowercablesareconnectedcorrectly.

•Ensurethatyourcomputerisconﬁguredcorrectlytosupporttheharddiskdrives.

–IfyourcomputerisinstalledwithﬁveSATAharddiskdrives,ensurethattheSATAharddiskdrive

enablementmodule(onetoﬁveharddiskdrives)isinstalled.

–IfyourcomputerisinstalledwithSASharddiskdrives,ensurethattheSASharddiskdriveenablement

module(onetoﬁveharddiskdrives)ortheLSIMegaRAIDSASadapterisinstalled.

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprogramLenovoSolutionCenter.See“Lenovo

SolutionCenter”onpage53.Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage33.

Chapter5.Troubleshootinganddiagnostics43

"NoOperatingSystemFound"messageorthesystemnotstartingfromthecorrect

harddiskdrive

Symptom:"NoOperatingSystemFound"messageorthesystemnotstartingfromthecorrectharddiskdrive

Actions:

•Ensurethatallharddiskdrivesignalcablesandpowercablesareconnectedcorrectly.

•EnsurethattheharddiskdriveyourcomputerstartsfromislistedastheﬁrststartupdeviceintheSetup

Utilityprogram.Referto“Selectingastartupdevice”onpage58.

Note:Inrarecases,theharddiskdrivewiththeoperatingsystemmightgetcorruptedordamaged.Insuch

cases,youmightneedtoreplacetheharddiskdrive.

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprogramLenovoSolutionCenter.See“Lenovo

SolutionCenter”onpage53.Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage33.

Keyboard,mouse,orpointingdeviceproblems

Selectyoursymptomfromthefollowinglist:

•“Themouseorpointingdevicedoesnotwork”onpage44

•“Thepointeronthescreendoesnotmovesmoothlywiththemouse”onpage44

•“Thewirelesskeyboarddoesnotwork”onpage45

Themouseorpointingdevicedoesnotwork

Symptom:Themouseorpointingdevicedoesnotwork.

Actions:

•Verifythatthemouseorpointing-devicecableissecurelyattachedtothecorrectconnectoronthe

computer.Dependingonthetypeofmouseyouhave,themousecablewillconnecttoeitherthe

mouse,serial,orUSBconnector.SomekeyboardshaveintegratedUSBconnectorsthatcanbeused

foraUSBmouseorpointingdevice.

•Verifythatthedevicedriversforthemouseorpointingdeviceareinstalledcorrectly.

•IfyouareusingaUSBkeyboardormouse,verifythattheUSBconnectorsareenabledintheBIOS

settings.See“Enablingordisablingadevice”onpage57.

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on

page53forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage33.

Thepointeronthescreendoesnotmovesmoothlywiththemouse

Symptom:Thepointeronthescreendoesnotmovesmoothlywiththemouse.

Action:Erraticmovementofthemousepointerisgenerallycausedbyabuildupofdirt,oils,andother

contaminantsontheballinsidethemouse.Cleanthemouse.

Theﬁngerprintreaderdoesnotwork

Symptom:Theﬁngerprintreaderdoesnotwork.

Action:Thefollowingcouldcausetheﬁngerprintreadernottooperateproperly:

•Notenrollingyourﬁngerprintcorrectly.

•Scratchingthesurfaceofthereaderwithahard,pointedobject.

•Scrapingthesurfaceofthereaderwithyournailoranythinghard.

44ThinkCentreE73HardwareMaintenanceManual

•Usingortouchingthereaderwithadirtyﬁnger.

•Thesurfaceofyourﬁngerisverydifferentfromwhenyouenrolledyourﬁngerprint.

Thewirelesskeyboarddoesnotwork

Symptom:Thewirelesskeyboarddoesnotwork.

Action:IftheTransceiverCommunicationsLEDisonandthewirelessKeyboarddoesnotwork,restartyour

computer.Ifrestartingyourcomputerdoesnotsolvetheproblem,verifythatthefollowingconditionsaremet:

•Thebatteriesareproperlyinstalled.

•Thebatteriesstillretaintheircurrent.

•ThewirelessKeyboardislocatedlessthantenmetersawayfromthetransceiver.

•Thetransceiverisfullyinstalled.

Action:IftheTransceiverCommunicationsLEDisnoton,reconnectthetransceiverandthekeyboard.

Monitorproblems

Note:Manymonitorshavestatus-indicatorlightsandbuilt-incontrolsforadjustingbrightness,contrast,

width,height,andotherpictureadjustments.However,thecontrolsvaryfrommonitortypetomonitortype.

Forinformationaboutthestatuslightsandusingthecontrols,refertothedocumentationthatcomes

withyourmonitor.

Selectyoursymptomfromthefollowinglist:

•“Wrongcharactersappearonthescreen”onpage45

•“Themonitorworkswhenyouturnonthecomputer,butgoesblankaftersomeperiodofcomputer

inactivity”onpage45

•“Themonitorworkswhenyouturnonthecomputer,butgoesblankwhenyoustartsomeapplication

programs”onpage46

•“Theimageappearstobeﬂickering”onpage46

•“Theimageisdiscolored”onpage46

Wrongcharactersappearonthescreen

Symptom:Wrongcharactersappearonthescreen.

Action:Havethecomputerserviced.Fordetails,see“LenovoSupportWebsite”onpage33.

Themonitorworkswhenyouturnonthecomputer,butgoesblankaftersomeperiod

ofcomputerinactivity

Symptom:Themonitorworkswhenyouturnonthecomputer,butgoesblankaftersomeperiodofcomputer

inactivity.

Action:Thecomputerisprobablysetforenergysavingswiththepower-managementfeature.Ifthe

power-managementfeatureisenabled,disablingitorchangingthesettingsmightsolvetheproblem.

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on

page53forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage33.

Chapter5.Troubleshootinganddiagnostics45

Themonitorworkswhenyouturnonthecomputer,butgoesblankwhenyoustart

someapplicationprograms

Symptom:Themonitorworkswhenyouturnonthecomputer,butgoesblankwhenyoustartsome

applicationprograms.

Actions:

•Makesurethemonitorsignalcableissecurelyconnectedtothemonitorandthemonitorconnectoron

thecomputer.Aloosecablecancauseintermittentproblems.

•Verifythatthenecessarydevicedriversfortheapplicationprogramsareinstalled.Refertothe

documentationfortheaffectedapplicationprogramtoseeifdevicedriversarerequired.

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on

page53forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage33.

Theimageappearstobeﬂickering

Solutions:

•Thescreenmightbeaffectedbyinterferencefromnearbyequipment.Magneticﬁeldsaroundother

devices,suchastransformers,appliances,ﬂuorescentlights,andothermonitorsmightbecausingthe

problem.Moveﬂuorescentdesklightingoranyequipmentthatproducesmagneticﬁeldsfartheraway

fromthescreen.Ifthisdoesnotcorrecttheproblem,turnoffthecomputer.Then,adjusttheplacementof

thecomputerandotherdevicessothattheyareatleast305mm(12inches)apart.Turnonthecomputer.

•Resettherefreshratesupportedbyyourcomputer.

1.Right-clickablankareaonthedesktop.

2.DependingonyourWindowsversion,dooneofthefollowing:

–ForWindows7,Windows8,orWindows8.1:ClickScreenresolution➙Advancedsettings.

–ForWindows10:ClickDisplaysettings.OntheDisplaytab,clickAdvanceddisplaysettings➙

Displayadapterproperties.

3.ClicktheMonitortab,andthenresettherefreshratetobethehighestandnoninterlaced.

Theimageisdiscolored

Symptom:Theimageisdiscolored.

Action:Themonitormightbeaffectedbyinterferencefromnearbyequipment.Magneticﬁeldsaroundother

devices,suchastransformers,appliances,ﬂuorescentlights,andothermonitorsmightbecausingthe

problem.Moveﬂuorescentdesklightingoranyequipmentthatproducesmagneticﬁeldsfurtherawayfrom

themonitor.Ifthisdoesnotcorrecttheproblem,dothefollowing:

1.Turnoffthemonitor.(Movingacolormonitorwhileitisturnedonmightcausescreendiscoloration.)

2.Adjusttheplacementofthemonitorandotherdevicessothattheyareatleast305mm(12inches)apart.

3.Turnonthemonitor.

Iftheseactionsdonotcorrecttheproblem,yourmonitormightneedservice.See“LenovoSupportWeb

site”onpage33fordetails.

Networkingproblems

Thefollowingarethemostcommonnetworkingproblems.Selectyournetworkingproblemfromthe

followinglist:

•“Ethernetproblems”onpage47

•“AwirelessLANproblem”onpage48

46ThinkCentreE73HardwareMaintenanceManual

•“Bluetoothproblem”onpage48

Ethernetproblems

ForEthernetproblems,selectyoursymptomfromthefollowinglist:

•“Yourcomputercannotconnecttothenetwork”onpage47

•“Theadapterstopsworkingfornoapparentreason”onpage47

•“IfyourcomputerisaGigabitEthernetmodelandyouuseaspeedof1000Mbps,theconnectionfails

orerrorsoccur”onpage47

•“IfyourcomputerisaGigabitEthernetmodel,itcannotconnecttothenetworkat1000Mbps.Instead,

itconnectsat100Mbps”onpage48

Yourcomputercannotconnecttothenetwork

Symptom:Yourcomputercannotconnecttothenetwork.

Actions:Ensurethat:

•Thecableisinstalledproperly.

ThenetworkcablemustbesecurelyconnectedtoboththeEthernetconnectorofyourcomputerand

theRJ45connectorofthehub.Themaximumallowabledistancefromthecomputertohubis100

meters.Ifthecableisconnectedandthedistanceiswithinacceptablelimitsbuttheproblempersists,try

adifferentcable.

•Thecableisinstalledproperly.

•Youareusingthecorrectdevicedriver.

•Theswitchportandtheadapterhavethesameduplexsetting.

Ifyouconﬁguredtheadapterforfullduplex,ensurethattheswitchportisalsoconﬁguredforfullduplex.

Settingthewrongduplexmodecandegradeperformance,causedataloss,orresultinlostconnections.

•Youhaveinstalledallnetworkingsoftwarethatisnecessaryforyournetworkenvironment.

CheckwithyourLANadministratorforthenecessarynetworkingsoftware.

Theadapterstopsworkingfornoapparentreason

Symptom:Theadapterstopsworkingfornoapparentreason.

Action:Thenetworkdriverﬁlesmaybecorruptormissing.Updatethedriverbyreferringtothe“Solution”

descriptionfortheproceduretomakesurethatthecorrectdevicedriverisinstalled.

TheWakeonLANfeatureisnotworking

Symptom:TheWakeonLAN(WOL)featureisnotworking.

Actions:

•MakesurethatWOLisenabledintheBIOSSetupUtilityprogram.

•Ifitis,checkwithyourLANadministratorforthenecessarysettings.

IfyourcomputerisaGigabitEthernetmodelandyouuseaspeedof1000Mbps,theconnection

failsorerrorsoccur

Symptom:IfyourcomputerisaGigabitEthernetmodelandyouuseaspeedof1000Mbps,theconnection

failsorerrorsoccur.

Actions:

•UseCategory5wiringandmakesurethatthenetworkcableissecurelyconnected.

Chapter5.Troubleshootinganddiagnostics47

•Connecttoa1000BASE-Thub/switch(not1000BASE-X).

IfyourcomputerisaGigabitEthernetmodel,itcannotconnecttothenetworkat1000Mbps.Instead,

itconnectsat100Mbps

Symptom:IfyourcomputerisaGigabitEthernetmodel,itcannotconnecttothenetworkat1000Mbps.

Instead,itconnectsat100Mbps.

Actions:

•Tryanothercable.

•Makesurethatthelinkpartnerissettoauto-negotiate.

•Makesurethattheswitchis802.3ab-compliant(gigabitovercopper).

AwirelessLANproblem

Symptom:Youcannotconnectusingthebuilt-inwirelessnetworkingcard.

Actions:

•EnsurethatyourwirelessLANdriveristhelatestversion.ChecktheWebsiteandverifythedriverversion

supportedbyAccessConnectionsisthelatestdocumentedinthereadmeﬁle.

•Ensurethatyourcomputeriswithinrangeofawirelessaccesspoint.

•Ensurethatthewirelessradioisenabledbydouble-clickingtheAccessConnectionsiconintheWindows

notiﬁcationarea.

•CheckNetworkName(SSID),andyourencryptioninformation.UseAccessConnectionstoverifythis

case-sensitiveinformation.

Bluetoothproblem

Symptom:SounddoesnotcomefromtheBluetoothheadsetorheadphonebutcomesfromthelocal

speakereventhoughtheheadsetorheadphoneisconnectedusingtheHeadsetproﬁleorAVproﬁle.

Action:Dothefollowing:

1.Exittheapplicationthatusesthesounddevice(forexample,WindowsMedia®Player).

2.OpenControlPanel.

3.ClickHardwareandSound➙Sound.

4.SelectthePlaybacktab.

5.IfyouareusingtheHeadsetproﬁle,selectBluetoothHands-freeAudioandclicktheSetDefault

button.IfyouareusingtheAVproﬁle,selectStereoAudioandclicktheSetDefaultbutton.

6.ClickOKtoclosetheSoundwindow.

Note:Bluetoothissupportedonlyonsomecomputermodels.

Optionproblems

UsethisinformationtodiagnoseproblemswithLenovohardwareoptionsthatdonothavetheirown

troubleshootinginformation.

Selectyoursymptomfromthefollowinglist:

•“Anoptionthatwasjustinstalleddoesnotwork”onpage49

•“Anoptionthatpreviouslyworkeddoesnotworknow”onpage49

48ThinkCentreE73HardwareMaintenanceManual

Anoptionthatwasjustinstalleddoesnotwork

Symptom:Anoptionthatwasjustinstalleddoesnotwork.

Action:Verifythat:

•Theoptionisdesignedforyourcomputer.

•Youfollowedtheinstallationinstructionssuppliedwiththeoptionandtheinstallationinstructionsprovided

withyourcomputer,andalloptionﬁles(suchasdevicedrivers,ifrequired)areinstalledcorrectly.

•Youhavenotloosenedotherinstalledoptionsorcables.

•Iftheoptionisanadapter,youhaveprovidedenoughhardwareresourcesfortheadaptertofunction

correctly.Seethedocumentationsuppliedwiththeadapter(aswellasthedocumentationforanyother

installedadapters)todeterminetheresourcesrequiredforeachadapter.

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on

page53forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage33.

Anoptionthatpreviouslyworkeddoesnotworknow

Symptom:Anoptionthatpreviouslyworkeddoesnotworknow.

Actions:

•Verifythatalloptionhardwareandcableconnectionsaresecure.

•Iftheoptioncomeswithitsowntestinstructions,usethoseinstructionstotesttheoption.

•IfthefailingoptionisaSCSIoption,verifythat:

–ThecablesforallexternalSCSIoptionsareconnectedcorrectly.

–ThelastoptionineachSCSIchain,ortheendoftheSCSIcable,isterminatedcorrectly.

–AllexternalSCSIoptionsareturnedon.ExternalSCSIoptionsmustbeturnedonbeforethecomputer

isturnedon.Formoreinformation,seeyourSCSIdocumentation.

•Verifythattheoptionandanyrequireddevicedriversareinstalledcorrectly.

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on

page53forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage33.

Performanceandlockupproblems

Poorperformanceandlockupproblemscanbearesultofanyofthefollowing:

•“Insufﬁcientfreeharddiskdrivespace”onpage49

•“Excessivenumberoffragmentedﬁles”onpage50

•“Insufﬁcientmemory”onpage50

Makeaselectionfromtheabovelisttoﬁndoutmoreaboutthecorrectiveactionsyoucantake.

Insufﬁcientfreeharddiskdrivespace

Solutions:Freeupharddiskdrivespace.

•CleanoutyourInbox,SentItems,andDeletedItemsfoldersfromyoure-mailapplication.

•CleanupyourCdrive.

1.DependingonyourWindowsversion,dooneofthefollowing:

–ForWindows7:ClicktheStartbuttontoopentheStartmenu,andthenclickComputer.

Chapter5.Troubleshootinganddiagnostics49

–ForWindows8:OpenFileExplorer,andthenclickComputer.

–ForWindows8.1:OpenFileExplorer.

–ForWindows10:ClicktheStartbuttontoopentheStartmenu,andthenclickFileExplorer➙

ThisPC.

2.Right-clickyourCdriveandthenclickProperties.

3.Checktheamountoffreespace,andthenclickDiskCleanup.

4.Alistofunnecessaryﬁlecategoriesisdisplayed.Selecteachﬁlecategoryyouwanttodelete,

andthenclickOK.

•TurnsomeWindowsfeaturesofforremovesomeunnecessaryprograms.

1.OpenControlPanelbydoingoneofthefollowing:

–ForWindows7:ClicktheStartbuttontoopentheStartmenu,andthenclickControlPanel.

–ForWindows8orWindows8.1:See“AccessingControlPanelontheWindows8orWindows

8.1operatingsystem”onpage38.

–ForWindows10:Right-clicktheStartbuttontoopentheStartcontextmenu,andthenclick

ControlPanel.

2.ViewControlPanelusingLargeiconsorSmallicons,andthenclickProgramsandFeatures.

3.Dooneofthefollowing:

–ToturnsomeWindowsfeaturesoff,clickTurnWindowsfeaturesonoroff.Followthe

instructionsonthescreen.

–Toremovesomeunnecessaryprograms,selecttheprogramyouwanttoremove,andthenclick

Uninstall/ChangeorUninstall.

Excessivenumberoffragmentedﬁles

Solution:UsetheWindowsdiskdefragmentationordiskoptimizationfeaturetocleanuptheﬁles.

Note:Dependingonthevolumeofthestoragedrivesandamountofdatastoredonthestoragedrives,the

disk-defragmentationprocessmighttakeuptoseveralhours.

1.Closeanyopenprogramsandwindows.

2.DependingonyourWindowsversion,dooneofthefollowing:

•ForWindows7:ClicktheStartbuttontoopentheStartmenu,andthenclickComputer.

•ForWindows8:OpenFileExplorer,andthenclickComputer.

•ForWindows8.1:OpenFileExplorer.

•ForWindows10:ClicktheStartbuttontoopentheStartmenu,andthenclickFileExplorer➙

ThisPC.

3.Right-clickyourCdriveandthenclickProperties.

4.ClicktheToolstab.

5.DependingonyourWindowsversion,dooneofthefollowing:

•ForWindows7:ClickDefragmentnow.

•ForWindows8,Windows8.1,orWindows10:ClickOptimize.Selectthedesireddrive,andthen

clickOptimize.

6.Followtheinstructionsonthescreen.

Insufﬁcientmemory

Symptom:Insufﬁcientmemory

50ThinkCentreE73HardwareMaintenanceManual

Ingeneral,themorememorythatisinstalled,thebettertheWindowsoperatingsystemruns.

Action:Installadditionalmemory.Forinformationaboutpurchasingmemory,see“LenovoSupportWeb

site”onpage33.Forstep-by-stepinstructionsoninstallingmemory,see“Installingorreplacingamemory

module”onpage87.

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on

page53forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage33.

Printerproblems

Symptom:Theprinterdoesnotwork.

Actions:Verifythat:

1.Theprinteristurnedonandisonline.

2.Paperisloadedcorrectly.

3.Theprintersignalcableissecurelyconnectedtothecorrectparallel,serial,orUSBconnectoronthe

computer.

Note:Non-IEEE-approvedprintersignalcablesmightcauseunpredictableproblems.

1.Anydevicedriversandothersoftwarethatcamewiththeprinterarecorrectlyinstalled.

2.Youhaveassignedtheprinterportcorrectlyinyouroperatingsystem,applicationprogram,orBIOS

settings.FormoreinformationaboutBIOSsettings,seeChapter6“UsingtheSetupUtilityprogram”

onpage55.

Iftheproblempersists,runthetestsdescribedinthedocumentationthatcomeswithyourprinter.Ifyou

cannotcorrecttheproblem,havethecomputerserviced.See“LenovoSupportWebsite”onpage33.

Serialportproblems

Usethisinformationtotroubleshoottheserialportanddevicesattachedtotheserialport.

Symptom:Serialportcannotbeaccessed.

Actions:

•Makesuretheserialcableissecurelyconnectedtotheserialportonthecomputerandtotheserial

device.Iftheserialdevicehasitsownpowercord,makesureitisattachedtoaproperlygrounded

electricaloutlet.

•IftheserialdevicehasitsownOn/Offswitch,makesureitisintheOnposition.

•IftheserialdevicehasanOnlineswitch,makesureitisintheOnlineposition.

•Iftheserialdeviceisaprinter,makesurepaperisloadedcorrectly.

•Verifythatanysoftwaresuppliedwiththeserialdeviceiscorrectlyinstalled.Refertothedocumentation

fortheserial-deviceoption.

•Makesurethattheserial-portadapter,ifyouaddedone,isproperlyinstalledandﬁrmlyseated.

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on

page53forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage33.

Softwareproblems

Selectyoursymptomfromthefollowinglist:

•“Whenusingasortfeature,datesdonotsortinthecorrectorder”onpage52

Chapter5.Troubleshootinganddiagnostics51

•“Softwaredoesnotworkasexpected”onpage52

Whenusingasortfeature,datesdonotsortinthecorrectorder

Symptom:Whenusingasortfeature,datesdonotsortinthecorrectorder.

Action:Somesoftwaredevelopedbeforetheyear2000usedonlythelasttwodigitsofayeartosort

dates,alwaysassumingtheﬁrsttwodigitswere19.Consequently,theseprogramssortdatesoutoforder.

Checkwithyoursoftwaremanufacturertoseeifanyupdatesareavailable.Manysoftwaremanufacturers

makeupdatesavailablefromtheWorldWideWeb.

Softwaredoesnotworkasexpected

Symptom:Softwaredoesnotworkasexpected.

Actions:

•Mostsoftwareprogramshavebuilt-inhelpsystemsthatprovideinstructionsformosttasks.Ifyouare

havingdifﬁcultyperformingaspeciﬁctaskwithinasoftwareprogram,refertothehelpsystemforthat

program.Helpsystemsaretypicallyaccessiblefromamenuorbuttonintheprogram,andfrequently

fromtheF1key.

•IfyouhavedifﬁcultywiththeWindowsoperatingsystemoroneofitscomponents,refertotheWindows

helpsystem.

•Todetermineifproblemsarecausedbynewlyinstalledsoftware,verifythat:

–Yourcomputerhastheminimummemoryrequirementsneededtousethesoftware.Seethe

informationsuppliedwiththesoftwaretoverifymemoryrequirements.(Ifyoujustinstalledanadapter

ormemory,youmighthaveamemory-addressconﬂict.)

–Thesoftwareisdesignedtooperateonyourcomputer.

–Othersoftwareworksonyourcomputer.

–Thesoftwareyouareusingworkscorrectlyonanothercomputer.

•Ifyoureceivedanyerrormessageswhileusingthesoftwareprogram,seetheprinteddocumentation

suppliedwiththesoftwareorthehelpsystemforthatsoftwareforadescriptionofthemessagesand

solutionstotheproblem.

•Checkwithyoursoftwaremanufacturertoseeifanyupdatesareavailable.Manysoftwaremanufacturers

makeupdatesavailablefromtheWorldWideWeb.

•Ifthesoftwareprogramusedtoworkcorrectly,butdoesnotworkcorrectlynow,dothefollowing:

1.OpenControlPanelbydoingoneofthefollowing:

–ForWindows7:ClicktheStartbuttontoopentheStartmenu,andthenclickControlPanel.

–ForWindows8orWindows8.1:See“AccessingControlPanelontheWindows8orWindows

8.1operatingsystem”onpage38.

–ForWindows10:Right-clicktheStartbuttontoopentheStartcontextmenu,andthenclick

ControlPanel.

2.ViewControlPanelusingLargeiconsorSmallicons,andthenclickRecovery➙OpenSystem

Restore.

3.Followtheinstructionsonthescreen.

•Ifyouareunabletoresolvetheproblemthroughothermethods,uninstallthesoftwareprogramand

reinstallit.

Iftheseactionsdonotcorrecttheproblem,youmightneedtechnicalassistance.Contactyoursoftware

manufacturerorsee“LenovoSupportWebsite”onpage33fordetails.

52ThinkCentreE73HardwareMaintenanceManual

USBproblems

Symptom:TheUSBconnectorscannotbeaccessed.

Actions:

•MakesuretheUSBcableissecurelyconnectedtotheUSBconnectorandtotheUSBdevice.IftheUSB

devicehasitsownpowercord,makesureitisattachedtoaproperlygroundedelectricaloutlet.

•IftheUSBdevicehasitsownOn/Offswitch,makesureitisintheOnposition.

•IftheUSBdevicehasanOnlineswitch,makesureitisintheOnlineposition.

•IftheUSBdeviceisaprinter,makesurepaperisloadedcorrectly.

•MakesureanydevicedriversorothersoftwaresuppliedwiththeUSBdeviceiscorrectlyinstalled.

RefertothedocumentationfortheUSBdevice.

•ResetthedevicebydetachingandreattachingtheUSBconnector.

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprogramstotesttheUSBconnector(see

“LenovoSolutionCenter”onpage53forinstructions).IftheUSBdevicecamewithitsowndiagnostics,

runthosediagnosticsagainsttheUSBdevice.Ifyouneedtechnicalassistance,see“LenovoSupport

Website”onpage33.

Diagnostics

Thediagnosticprogramisusedtotesthardwarecomponentsofyourcomputer.Thediagnosticprogramcan

alsoreportoperating-system-controlledsettingsthatinterferewiththecorrectoperationofyourcomputer.

Youcanusethepreinstalleddiagnosticprogramtodiagnosecomputerproblems,ifyourcomputeris

runningtheWindowsoperatingsystem.

Notes:

1.YourcomputerispreinstalledwiththeLenovoSolutionCenterprogramfordiagnosticpurposes.For

moreinformationabouttheLenovoSolutionCenterprogram,see“LenovoSolutionCenter”onpage53.

2.Ifyouareunabletoisolateandrepairtheproblemyourselfafterrunningthediagnosticprogram,save

andprintthelogﬁlescreatedbythediagnosticprogram.Youwillneedthelogﬁleswhenyouspeaktoa

Lenovotechnicalsupportrepresentative.

LenovoSolutionCenter

TheLenovoSolutionCenterprogramenablesyoutotroubleshootandresolvecomputerproblems.It

combinesdiagnostictests,systeminformationcollection,securitystatus,andsupportinformation,along

withhintsandtipsformaximumsystemperformance.

Notes:

•TheLenovoSolutionCenterprogramcanbedownloadedfromhttp://www.lenovo.com/diags.

•IfyouareusingaWindowsoperatingsystemotherthanWindows7,Windows8,Windows8.1,orWindows

10,gotohttp://www.lenovo.com/diagsforthelatestinformationondiagnosticsforyourcomputer.

ToruntheLenovoSolutionCenterprogram,see“Lenovoprograms”onpage30.

Foradditionalinformation,refertotheLenovoSolutionCenterhelpsystem.

Note:Ifyouareunabletoisolateandrepairtheproblemyourselfafterrunningtheprogram,saveandprint

thelogﬁles.YouwillneedthelogﬁleswhenyouspeaktoaLenovotechnicalsupportrepresentative.

Chapter5.Troubleshootinganddiagnostics53

UEFIdiagnosticprogram

AUEFIdiagnosticprogramispreinstalledonthecomputer.Itenablesyoutotestmemorymodulesand

internalstoragedevices,viewsysteminformation,andcheckandrecoverbadsectorsoninternalstorage

devices.

ToruntheUEFIdiagnosticprogram,dothefollowing:

1.Turnonthecomputer.Ifthecomputercannotbeturnedon,goto“Basictroubleshooting”onpage

37.Ifanerrorcodeisdisplayed,gotoChapter7“Symptom-to-FRUindex”onpage61forerrorcode

descriptionsandtroubleshootinghints.

2.RepeatedlypressandreleasetheF10keywhenturningonthecomputer.Themainscreenofthe

UEFIdiagnosticprogramisdisplayed.

3.Followtheinstructionsonthescreentousethediagnosticprogram.

Theoptionsonthemainscreenareasfollows:

Table1.ItemsonthemainscreenoftheUEFIdiagnosticprogram

DIAGNOSTICSTOOLS

•LCDtest

•Memory-Quicktest

•Memory-Extendedtest

•Motherboardtest

•PCI-etest

•Storage-Quicktest

•Systeminformation

•Recoverbadsectorstool

•Generateconﬁgurationﬁle

•Executefromconﬁgurationﬁle

•Exitapplication

54ThinkCentreE73HardwareMaintenanceManual

Chapter6.UsingtheSetupUtilityprogram

TheSetupUtilityprogramisusedtoviewandchangetheconﬁgurationsettingsofyourcomputer,regardless

ofwhichoperatingsystemyouareusing.However,theoperatingsystemsettingsmightoverrideanysimilar

settingsintheSetupUtilityprogram.

StartingtheSetupUtilityprogram

TostarttheSetupUtilityprogram,dothefollowing:

1.Makesureyourcomputeristurnedoff.

2.RepeatedlypressandreleasetheF1keywhenturningonthecomputer.Whenyouhearmultiple

beepsorseealogoscreen,releasetheF1key.

Note:IfaPower-OnPasswordoranAdministratorPasswordhasbeenset,theSetupUtilityprogram

menuwillnotbedisplayeduntilyoutypethecorrectpassword.Formoreinformation,see“Using

passwords”onpage55.

WhenthePOSTdetectsthattheharddiskdrivehasbeenremovedfromyourcomputerorthememory

modulesizehasdecreased,anerrormessagewillbedisplayedwhenyoustartthecomputerandyouwillbe

promptedtodooneofthefollowing:

•PressF1toentertheSetupUtilityprogram.

Note:AfteryouentertheSetupUtilityprogram,selectSaveChangesandExitatthebottomofthe

screen.Theerrormessagewillnotbedisplayedagain.

•PressF2tobypasstheerrormessageandlogintotheoperatingsystem.

Viewingandchangingsettings

TheSetupUtilityprogrammenulistsvariousitemsaboutthesystemconﬁguration.Tovieworchange

settings,starttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage55.Then,follow

theinstructionsonthescreen.

YoucanuseeitherthekeyboardorthemousetonavigatethroughBIOSmenuchoices.Thekeysusedto

performvarioustasksaredisplayedatthebottomofeachscreen.

Usingpasswords

ByusingtheSetupUtilityprogram,youcansetpasswordstopreventunauthorizedaccesstoyourcomputer

anddata.Thefollowingtypesofpasswordsareavailable:

•Power-OnPassword

•AdministratorPassword

•HardDiskPassword

Youdonothavetosetanypasswordstouseyourcomputer.However,usingpasswordsimproves

computingsecurity.Ifyoudecidetosetanypasswords,readthefollowingsections.

©CopyrightLenovo2013,201555

Passwordconsiderations

Apasswordcanbeanycombinationofupto64alphabeticandnumericcharacters.Forsecurityreasons,it

isrecommendedtouseastrongpasswordthatcannotbeeasilycompromised.Tosetastrongpassword,

usethefollowingguidelines:

•Haveatleasteightcharactersinlength

•Containatleastonealphabeticcharacterandonenumericcharacter

•SetupUtilityprogramandharddiskdrivepasswordsarenotcasesensitive

•Notbeyournameoryourusername

•Notbeacommonwordoracommonname

•Besigniﬁcantlydifferentfromyourpreviouspasswords

Power-OnPassword

WhenaPower-OnPasswordisset,youarepromptedtotypeavalidpasswordeachtimethecomputeris

turnedon.Thecomputercannotbeuseduntilthevalidpasswordistypedin.

AdministratorPassword

SettinganAdministratorPassworddetersunauthorizedusersfromchangingconﬁgurationsettings.Ifyou

areresponsibleformaintainingtheconﬁgurationsettingsofseveralcomputers,youmightwanttosetan

AdministratorPassword.

WhenanAdministratorPasswordisset,youarepromptedtotypeavalidpasswordeachtimeyoutryto

accesstheSetupUtilityprogram.TheSetupUtilityprogramcannotbeaccesseduntilavalidpassword

istypedin.

IfboththePower-OnPasswordandAdministratorPasswordareset,youcantypeeitherpassword.However,

youmustuseyourAdministratorPasswordtochangeanyconﬁgurationsettings.

HardDiskPassword

SettingaHardDiskPasswordpreventsunauthorizedaccesstothedataontheharddiskdrive.Whena

HardDiskPasswordisset,youarepromptedtotypeavalidpasswordeachtimeyoutrytoaccessthe

harddiskdrive.

Notes:

•AfteryousetaHardDiskPassword,yourdataontheharddiskdriveisprotectedeveniftheharddisk

driveisremovedfromonecomputerandinstalledinanother.

•IftheHardDiskPasswordisforgotten,thereisnowaytoresetthepasswordorrecoverdatafromthe

harddiskdrive.

Setting,changing,anddeletingapassword

Toset,change,ordeleteapassword,dothefollowing:

1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage55.

2.FromtheSetupUtilityprogrammainmenu,selectSecurity.

3.Dependingonthepasswordtype,selectSetPower-OnPassword,SetAdministratorPassword,or

HardDiskPassword.

4.Followtheinstructionsontherightsideofthescreentoset,change,ordeleteapassword.

56ThinkCentreE73HardwareMaintenanceManual

Note:Apasswordcanbeanycombinationofupto64alphabeticandnumericcharacters.Formore

information,see“Passwordconsiderations”onpage56.

Erasinglostorforgottenpasswords(clearingCMOS)

Thissectionprovidesinstructionsonhowtoeraselostorforgottenpasswords,suchasauserpassword.

Toerasealostorforgottenpassword,dothefollowing:

1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect

allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.

2.Removethecomputercover.Formachinetypes1577,1579,and1607,see“Removingthecomputer

cover”onpage82.Formachinetypes1578,1583,and1652,see“Removingthecomputercover”on

page124.

3.LocatetheClearCMOS/Recoveryjumperonthesystemboard.See“Locatingpartsonthesystem

board”onpage72.

4.Movethejumperfromthestandardposition(pin1andpin2)tothemaintenanceposition(pin2and

pin3).

5.Reinstallthecomputercoverandconnectthepowercord.Formachinetypes1577,1579,and1607,

see“Completingthepartsreplacement”onpage121.Formachinetypes1578,1583,and1652,see

“Completingthepartsreplacement”onpage171.

6.Turnonthecomputerandleaveitonforapproximately10seconds.Then,turnoffthecomputerby

holdingthepowerswitchforapproximatelyﬁveseconds.

7.Repeatstep1throughstep3.

8.MovetheClearCMOS/Recoveryjumperbacktothestandardposition(pin1andpin2).

9.Reinstallthecomputercoverandconnectthepowercord.Formachinetypes1577,1579,and1607,

see“Completingthepartsreplacement”onpage121.Formachinetypes1578,1583,and1652,see

“Completingthepartsreplacement”onpage171.

Enablingordisablingadevice

Thissectionprovidesinformationonhowtoenableordisableuseraccesstothefollowingdevices:

USBSetupUsethisoptiontoenableordisableaUSBconnector.WhenaUSBconnectoris

disabled,thedeviceconnectedtotheUSBconnectorcannotbeused.

SATAControllerWhenthisfeatureissettoDisable,alldevicesconnectedtotheSATAconnectors

(suchasharddiskdrivesortheopticaldrive)aredisabledandcannotbeaccessed.

Toenableordisableadevice,dothefollowing:

1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage55.

2.FromtheSetupUtilityprogrammainmenu,selectDevices.

3.Dependingonthedeviceyouwanttoenableordisable,dooneofthefollowing:

•SelectUSBSetuptoenableordisableaUSBdevice.

•SelectATADrivesSetup➙SATAControllertoenableordisableaSATAdevice.

4.SelectthedesiredsettingsandpressEnter.

5.PressF10tosaveandexittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”onpage59.

Chapter6.UsingtheSetupUtilityprogram57

Selectingastartupdevice

Ifyourcomputerdoesnotstartupfromadevicesuchasthediscorharddiskdriveasexpected,dooneof

thefollowingtoselectthestartupdeviceyouwant.

Selectingatemporarystartupdevice

Usethisproceduretoselectatemporarystartupdevice.

Note:Notalldiscsandharddiskdrivesarebootable.

1.Turnoffyourcomputer.

2.RepeatedlypressandreleasetheF12keywhenturningonthecomputer.WhentheStartupDevice

Menuwindowdisplays,releasetheF12key.

3.SelectthedesiredstartupdeviceandpressEnter.Thecomputerwillstartupfromthedeviceyou

selected.

Note:SelectingastartupdevicefromtheStartupDeviceMenuwindowdoesnotpermanentlychange

thestartupsequence.

Selectingorchangingthestartupdevicesequence

Tovieworpermanentlychangetheconﬁguredstartupdevicesequence,dothefollowing:

1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage55.

2.FromtheSetupUtilityprogrammainmenu,selectStartup.

3.SelectthedevicesforthePrimaryStartupSequence,theAutomaticStartupSequence,andtheError

StartupSequence.Readtheinformationdisplayedontherightsideofthescreen.

4.PressF10tosaveandexittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”onpage59.

EnablingErPLPScompliancemode

Lenovocomputersmeettheeco-designrequirementsoftheErPLot3regulation.Formoreinformation,go

to:

http://www.lenovo.com/ecodeclaration

Youcanenabletheenergy-relatedproductsdirective(ErP)lowestpowerstate(LPS)compliancemodeinthe

SetupUtilityprogramtoreducetheconsumptionofelectricitywhenyourcomputerisinsleeporoffmode.

ToenableErPLPScompliancemodeintheSetupUtilityprogram,dothefollowing:

1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage55.

2.FromtheSetupUtilityprogrammainmenu,selectPower➙EnhancedPowerSavingMode,and

pressEnter.

3.SelectEnabledandpressEnter.

4.FromthePowermenu,selectAutomaticPowerOnandpressEnter.

5.SelectWakeonLanandpressEnter.

6.SelectDisabledandpressEnter.

7.PressF10tosavechangesandexittheSetupUtilityprogram.PressEnterwhenpromptedtoconﬁrm

theexit.

Note:WhenErPLPScompliancemodeisenabled,youcanwakeupyourcomputerbydoingoneof

thefollowing:

58ThinkCentreE73HardwareMaintenanceManual

•Pressingthepowerswitch

•Enablingthewakeuponalarmfeature

Thewakeuponalarmfeatureenablesyourcomputertowakeupatasettime.Toenablethewake

uponalarmfeature,dothefollowing:

1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage55.

2.FromtheSetupUtilityprogrammainmenu,selectPower➙AutomaticPowerOn,andpressEnter.

3.SelectWakeUponAlarmandpressEnter.Thenfollowtheinstructionsonthescreen.

4.PressF10tosavechangesandexittheSetupUtilityprogram.PressEnterwhenpromptedto

conﬁrmtheexit.

•Enablingtheafterpowerlossfeature

Theafterpowerlossfeatureenablesyourcomputertowakeupwhenthepowersupplyresumesaftera

suddenlossofelectricity.Toenabletheafterpowerlossfeature,dothefollowing:

1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage55.

2.FromtheSetupUtilityprogrammainmenu,selectPower➙AfterPowerLoss,andpressEnter.

3.SelectPowerOnandpressEnter.

4.PressF10tosavechangesandexittheSetupUtilityprogram.PressEnterwhenpromptedto

conﬁrmtheexit.

ChangingtheBIOSsettingsbeforeinstallinganewoperatingsystem

BIOSsettingsvarybyoperatingsystem.ChangetheBIOSsettingsbeforeinstallinganewoperatingsystem.

TochangetheBIOSsettings,dothefollowing:

1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage55.

2.FromtheSetupUtilityprogrammainmenu,selectExit➙OSOptimizedDefault.

3.Dependingontheoperatingsystemtobeinstalled,dooneofthefollowing:

•ToinstalltheWindows8(64-bit)orWindows8.1(64-bit)operatingsystem,selectEnabled.

•ToinstallanoperatingsystemotherthanWindows8(64-bit)orWindows8.1(64-bit),selectDisabled.

4.SelectYesinthewindowdisplayedandpressEntertoconﬁrmyourselection.

5.PressF10tosavechangesandexittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”

onpage59.

ExitingtheSetupUtilityprogram

Afteryouﬁnishviewingorchangingsettings,pressEsctoreturntotheSetupUtilityprogrammainmenu.

YoumighthavetopressEscseveraltimes.Dooneofthefollowing:

•Ifyouwanttosavethenewsettings,pressF10tosaveandexittheSetupUtilityprogram.

•Ifyoudonotwanttosavethesettings,selectExit➙DiscardChangesandExit,andthenpress

Enter.WhentheResetWithoutSavingwindowopens,selectYes,andthenpressEntertoexitthe

SetupUtilityprogram.

•Ifyouwanttoreturntothedefaultsettings,pressF9toloadthedefaultsettings,andthenpressF10to

saveandexittheSetupUtilityprogram.

Chapter6.UsingtheSetupUtilityprogram59

60ThinkCentreE73HardwareMaintenanceManual

Chapter7.Symptom-to-FRUindex

TheSymptom-to-FRUindexlistserrorsymptomsandpossiblecauses.Themostlikelycauseislistedﬁrst.

AlwaysbeginwiththeChapter4“Generalcheckout”onpage35.Youcanusethisindextohelpyoudecide

whichFRUsareneededwhenservicingacomputer.Ifyouareunabletocorrecttheproblemusingthis

index,goto“Undeterminedproblems”onpage65.

Notes:

1.Ifyouhavebothanerrormessageandanincorrectaudioresponse,diagnosetheerrormessageﬁrst.

2.Ifyoucannotrunthediagnostictests,butdidreceiveaPOSTerrormessage,diagnosethePOSTerrormessage

ﬁrst.

3.Ifyoudidnotreceiveanyerrormessage,lookforadescriptionofyourerrorsymptomsintheﬁrstpartofthisindex.

Harddiskdrivebooterror

Aharddiskdrivebooterror(errorcodes1962andI999030X)canhavethefollowingcauses.

ErrorFRU/Action

Thestart-updriveisnotinthebootsequencein

conﬁguration.

Checktheconﬁgurationandensurethestart-updriveis

inthebootsequence.

Nooperatingsysteminstalledonthebootdrive.Installanoperatingsystemonthebootdrive.

Thebootsectoronthestart-updriveiscorrupted.Thedrivemustbeformatted.Dothefollowing:

1.Attempttobackupthedataonthefailingharddisk

drive.

2.Usingtheoperatingsystemsprogram,formatthe

harddiskdrive.

Thedriveisdefective.Replacetheharddiskdrive.

Powersupplyproblems

Ifyoususpectapowerproblem,usethefollowingprocedures.

Check/VerifyFRU/Action

Checkthefollowingforproperinstallation:

•Powercord

•On/Offswitchconnector

•On/Offswitchpowersupplyconnector

•Systemboardpowersupplyconnectors

•Microprocessor(s)connection

Reseatconnectors

Checkthepowercordforcontinuity.Powercord

Checkthepower-onswitchforcontinuity.Power-onswitch

Beepsymptoms

Beepsymptomsaretonesoraseriesoftonesseparatedbypauses(intervalswithoutsound)duringPOST.

©CopyrightLenovo2013,201561

Thefollowingtablesdescribesbeepsymptoms.

BeepSymptomFRU/Action

2shortbeepsCMOSsettingerrorPerformthefollowingactionsinorder.

1.StarttheSetupUtilityprogramandpressF10to

Saveandexit.SeeChapter6“UsingtheSetupUtility

program”onpage55.

2.StarttheSetupUtilityprogramandpressF9toload

defaultsandthenpressF10toSaveandexit.

3.PerformaBoot-blockrecovery.See“Recovering

fromaPOSTandBIOSupdatefailure”onpage174.

3shortbeepsandthen1longbeepDRAMmemory

error

Performthefollowingactionsinorder.

1.Makesurethememorymodule(s)areproperlyseated

intheconnector(s).

2.Replacethememorymodule(s).

3.Replacethesystemboard.

POSTerrorcodes

Eachtimeyoupower-onthesystem,itperformsaseriesofteststhatchecktheoperationofthesystem

andsomeoptions.ThisseriesoftestsiscalledthePower-OnSelf-Test,orPOST.POSTdoesthefollowing

operations.

•Checkssomebasicsystem-boardoperations

•Checksthememoryoperation

•Startsthevideooperation

•Veriﬁesthatthebootdriveisworking

IfthePOSTdetectsaproblem,anerrormessageappearsonthescreen.Asingleproblemcancauseseveral

errormessagestoappear.Whenyoucorrectthecauseoftheﬁrsterrormessage,theothererrormessages

probablywillnotappearonthescreenthenexttimeyouturnonthesystem.

POSTErrorcodePOSTErrormessageDescription/Action

00CEMachineTypeorSerialNumberisINVALIDThiserrormessageisdisplayedwhenthemachine

typeortheserialnumberisinvalid.

0211KeyboardnotfoundThiserrormessageisdisplayedwhenthereisno

keyboarddetected.

0135FanfailureThesystemmightbeoverheating.

PressF1toentertheSetupUtilityprogram.

ThenpressF10tosaveandexittheSetupUtility

program.

Note:Iftheproblemiscausedbythe

microprocessorfan,pressingF10willnotsolve

theproblem.

0164MemorysizedecreasedThiserrormessageisdisplayedwhenthememory

sizehasdecreased.

PressF1toentertheSetupUtilityprogram.

ThenpressF10tosaveandexittheSetupUtility

program.

62ThinkCentreE73HardwareMaintenanceManual

POSTErrorcodePOSTErrormessageDescription/Action

1762ConﬁgurationchangehasoccurredThiserrormessageisdisplayedwhenaharddisk

driveoropticaldrivechangehasbeenmade.

PressF1toentertheSetupUtilityprogram.

ThenpressF10tosaveandexittheSetupUtility

program.

1820Morethanoneexternalﬁngerprintreader

isattached.Poweroffandremoveallbut

thereaderthatyousetupwithinyourmain

operatingsystem.

Ifmorethanoneexternalﬁngerprintreaderis

connectedtoacomputer,thiserrormessagewill

bedisplayedtoinformyoutoremoveallofthe

ﬁngerprintkeyboardsexcepttheonecompatible

withtheﬁngerprintapplicationonyourcomputer.

1962Nooperatingsystemfound.Pressanykey

torepeatbootsequence.

ThiserroroccursonlyafterthePOSTiscompleted.

Pressanykeytorepeatbootsequence.

0162SetupdataintegritycheckfailurePressF1toentertheSetupUtilityprogram.

ThenpressF10tosaveandexittheSetupUtility

program.

0167NoprocessormicrocodeupdatefoundThiserrormessageindicatesthatthereis

nomicrocodeupdateimageforthecurrent

microprocessor.

0175SystemSecurity-SecuritydatacorruptedPressF1toentertheSetupUtilityprogram.

ThenpressF10tosaveandexittheSetupUtility

program.

0176SystemSecurity-Thesystemhasbeen

tamperedwith

Thiserrormessageisdisplayedwhenthe

computeristurnedonwiththecoveropenor

removed.

PressF1toentertheSetupUtilityprogram.

ThenpressF10tosaveandexittheSetupUtility

program.

0189SystemSecurity-Cannotreadthe

SecurityEEPROM

ThiserrormessageindicatesthattheSecurity

EEPROMmaybebrokenorremoved.

PressF1toentertheSetupUtilityprogram.

ThenpressF10tosaveandexittheSetupUtility

program.

0197SystemSecurity-Unauthorizedsecurity

datachangedetected

PressF1toentertheSetupUtilityprogram.

ThenpressF10tosaveandexittheSetupUtility

program.

0190SystemSecurity-Invalidsecuritychange

requested

PressF1toentertheSetupUtilityprogram.

ThenpressF10tosaveandexittheSetupUtility

program.

0199SystemSecurity-Securitypasswordretry

countexceeded

PressF1toentertheSetupUtilityprogram.

ThenpressF10tosaveandexittheSetupUtility

program.

Chapter7.Symptom-to-FRUindex63

Miscellaneouserrormessages

Message/SymptomFRU/Action

ChangingdisplaycolorsDisplay/Monitor

Computerwillnotpower-off.See“Harddiskdriveboot

error”onpage61.

1.PowerSwitch

2.SystemBoard

3.Risercard,ifinstalled

ComputerwillnotRPLfromserver1.Ensurethatnetworkisinstartupsequenceasﬁrst

deviceorﬁrstdeviceafterdiskette

2.EnsurethatnetworkadapterisenabledforRPL

3.Networkadapter(Advisenetworkadministratorof

newMACaddress)

ComputerwillnotperformaWakeonLAN(ifapplicable)1.Checkpowersupplyandsignalcableconnections

tonetworkadapter

2.Ensurethattheoperatingsystemsettingsaresetto

enableWakeonLAN

3.EnsureWakeonLANfeatureisenabledin

Setup/Conﬁguration(see“StartingtheSetupUtility

program”onpage55)

4.EnsurenetworkadministratorisusingcorrectMAC

address

5.EnsurenointerruptorI/Oaddressconﬂicts

6.Networkadapter(advisenetworkadministratorof

newMACaddress)

Deadcomputer.See“Harddiskdrivebooterror”onpage

61.

1.PowerSupply

2.SystemBoard

Diskettedrivein-uselightremainsonordoesnotlight

whendriveisactive.

1.DisketteDrive

2.SystemBoard

3.DisketteDriveCable

Flashingcursorwithanotherwiseblankdisplay.1.SystemBoard

2.PrimaryHardDiskDrive

3.HardDiskDriveCable

IncorrectmemorysizeduringPOST1.RuntheMemorytests

2.MemoryModule

3.SystemBoard

"InsertaDiskette"iconappearswithaknown-good

diagnosticsdisketteintheﬁrst3.5-inchdiskettedrive.

1.SystemBoard

2.DisketteDriveCable

3.NetworkAdapter

Intensityorcolorvariesfromlefttorightofcharacters

andcolorbars

1.Display

2.Videoadapter(ifpresent)

3.SystemBoard

Nopowerorfannotrunning1.See“Harddiskdrivebooterror”onpage61.

64ThinkCentreE73HardwareMaintenanceManual

Message/SymptomFRU/Action

Non-systemdiskordiskerror-typemessagewitha

known-gooddiagnosticdiskette.

1.DisketteDrive

2.SystemBoard

3.DisketteDriveCable

Otherdisplaysymptomsnotlistedabove(includingblank

orillegibledisplay)

1.Display

2.SystemBoard

Power-onindicatororharddiskdrivein-uselightnoton,

butcomputerworkscorrectly

1.Powerswitch/LEDassembly

2.SystemBoard

Printerproblems1.Printer

2.SystemBoard

Programloadsfromtheharddiskwithaknown-good

diagnosticsdisketteintheﬁrst3.5-inchdiskettedrive

1.RunSetupandcheckStartupsequence.

2.DisketteDrive

3.DisketteDriveCable

4.SystemBoard

5.PowerSupply

RPLcomputercannotaccessprogramsfromitsownhard

disk.

1.IfnetworkadministratorisusingLCCMHybridRPL,

checkstartupsequence:

a.Firstdevice-network

b.Seconddevice-harddisk

2.Harddiskdrive

RPLcomputerdoesnotRPLfromserver1.Checkstartupsequence

2.CheckthenetworkadapterLEDstatus

Serialorparallelportdevicefailure(systemboardport)1.ExternalDeviceSelf-TestOK?

2.ExternalDevice

3.Cable

4.SystemBoard

Serialorparallelportdevicefailure(adapterport)1.ExternalDeviceSelf-TestOK?

2.ExternalDevice

3.Cable

4.AlternateAdapter

5.SystemBoard

Someorallkeysonthekeyboarddonotwork1.Keyboard

2.KeyboardCable

3.SystemBoard

Undeterminedproblems

Ifyouencounterundeterminedproblems,dothefollowing:

1.Turnoffthecomputerandthepower.

2.Removeordisconnectthefollowingcomponents(ifinstalled)oneatatime.

a.Externaldevices(modem,printer,ormouse)

b.Anyadaptercards

c.Memorymodules

Chapter7.Symptom-to-FRUindex65

d.Extendedvideomemory

e.ExternalCache

f.ExternalCacheRAM

g.Harddiskdrive

h.Diskettedrive

3.Turnonthepowerandthecomputertore-testthesystem.

4.Repeatsteps1through3untilyouﬁndthefailingdeviceoradaptercards.

Ifalldevicesandadaptercards

havebeenremoved,andtheproblemcontinues,replacethesystemboard.See“Replacingthesystem

board”onpage108or“Replacingthesystemboard”onpage156.

66ThinkCentreE73HardwareMaintenanceManual

Chapter8.Locations

Thischapterintroducesthelocationsofthecomputerhardwarecomponents.

Formachinetypes:10AS,10AV,10DR,and10DS

Thissectionprovidesinformationtohelpyoulocateyourcomputerconnectors,components,partson

thesystemboard,andinternaldrives.

Note:Thecomponentsinyourcomputermightlookslightlydifferentfromtheillustrations.

Locatingconnectors,controls,andindicatorsonthefrontofyour

computer

Figure1“Frontconnector,control,andindicatorlocations”onpage67showsthelocationsofthe

connectors,controls,andindicatorsonthefrontofyourcomputer.

Figure1.Frontconnector,control,andindicatorlocations

1Harddiskdriveactivityindicator2Powerindicator

3Powerbutton4Opticaldriveeject/closebutton

5USBconnector6Headphoneconnector

7Microphoneconnector8USBconnector

©CopyrightLenovo2013,201567

Locatingconnectorsontherearofyourcomputer

Figure2“Rearconnectorlocations”onpage68showsthelocationsoftheconnectorsontherearofyour

computer.Someconnectorsontherearofyourcomputerarecolor-codedtohelpyoudeterminewhereto

connectthecablesonyourcomputer.

5 6

Figure2.Rearconnectorlocations

1Powercordconnector2DisplayPort®connector

3VGAconnector4USB3.0connectors

5USB2.0connectors6Microphoneconnector

7Audioline-outconnector8Audioline-inconnector

9PCIExpressx16graphicscardslot10PCIExpressx1cardslots(2)

11Security-lockslot12Padlockloop

13Optionalserialconnector14Ethernetconnector

ConnectorDescription

Audioline-inconnectorUsedtoreceiveaudiosignalsfromanexternalaudiodevice,suchasastereo

system.Whenyouattachanexternalaudiodevice,acableisconnectedbetween

theaudioline-outconnectorofthedeviceandtheaudioline-inconnectorofthe

computer.

Audioline-outconnectorUsedtosendaudiosignalsfromthecomputertoexternaldevices,suchaspowered

stereospeakers(speakerswithbuilt-inampliﬁers),headphones,multimedia

keyboards,ortheaudioline-inconnectoronastereosystemorotherexternal

recordingdevice.

DisplayPortconnectorUsedtoattachahigh-performancemonitor,adirect-drivemonitor,orotherdevices

thatuseaDisplayPortconnector.

EthernetconnectorUsedtoattachanEthernetcableforalocalareanetwork(LAN).

Note:TooperatethecomputerwithinFCCClassBlimits,useaCategory5eor

betterEthernetcable.

68ThinkCentreE73HardwareMaintenanceManual

ConnectorDescription

MicrophoneconnectorUsedtoattachamicrophonetoyourcomputerwhenyouwanttorecordsoundorif

youusespeech-recognitionsoftware.

USB2.0connectorUsedtoattachadevicethatrequiresaUSB2.0connection,suchasakeyboard,a

mouse,ascanner,aprinter,orapersonaldigitalassistant(PDA).

USB3.0connectorUsedtoattachadevicethatrequiresaUSB2.0or3.0connection,suchasa

keyboard,amouse,ascanner,aprinter,orapersonaldigitalassistant(PDA).A

USB3.0connectorprovideshightransmissionspeedstoreducethetimethatis

requiredfordatatransmission.

VGAmonitorconnectorUsedtoattachaVGAmonitororotherdevicesthatuseaVGAmonitorconnector.

LocatingmajorFRUsandCRUs

Figure3“Componentlocations”onpage70showsthelocationsofthevariouscomponentsinyour

computer.Toremovethecomputercover,see“Removingthecomputercover”onpage82.

Chapter8.Locations69

Figure3.Componentlocations

ThefollowingtableliststhemajorFRUsshowninFigure3“Componentlocations”onpage70andidentiﬁes

whichFRUsalsoareself-serviceCRUsoroptional-serviceCRUs.

70ThinkCentreE73HardwareMaintenanceManual

Notes:

•Self-serviceCRUs:TheseCRUsunplugoraresecuredbynomorethantwoscrews.Examplesof

thesetypesofCRUsincludethekeyboard,themouse,anyUSBdevice,andthepowercord.Other

self-serviceCRUsdependingonproductdesignmightincludememorymodules,adaptercards,hard

diskdrives,andopticaldrives.

•Optional-serviceCRUs:TheseCRUsareisolatedpartswithinthecomputerandareconcealedbyan

accesspanelthatistypicallysecuredbymorethantwoscrews.Oncetheaccesspanelisremoved,the

speciﬁcCRUisvisible.

NumberFRUdescriptionSelf-serviceCRUOptional-serviceCRU

1PowersupplyassemblyNoYes

2HeatsinkandfanassemblyYesNo

3MicroprocessorNoYes

4MemorymodulesYesNo

5Opticaldrive(availableonsomemodels)YesNo

6FrontWi-Fiantenna(availableonsomemodels)NoYes

7FrontaudioandUSBassemblyNoYes

8Slimcardreader(availableonsomemodels)NoYes

9FrontbezelYesNo

10ThermalsensorNoYes

11HarddiskdriveNoYes

12SystemboardNoNo

13BatteryYesNo

14Wi-Fiadaptercard(availableonsomemodels)NoYes

15Wi-Ficardmodule(availableonsomemodels)NoYes

16RearWi-Fiantenna(availableonsomemodels)YesNo

17PeripheralComponentInterconnect(PCI)

PCIExpresscard(installedonsomemodels)

(availableonsomemodels)

YesNo

18RearfanassemblyNoYes

19KeyboardYesNo

20MouseYesNo

LookingupFRUinformation

FordetailedFRUinformation,suchastheFRUpartnumbersandsupportedcomputermodels,goto:

http:/www.lenovo.com/serviceparts-lookup

Chapter8.Locations71

Locatingpartsonthesystemboard

Figure4“Systemboardpartlocations”onpage72showsthelocationsofthepartsonthesystemboard.

Figure4.Systemboardpartlocations

14-pinpowerconnector2Microprocessor

3Microprocessorfanconnector4Memoryslot1(DIMM1)

5Memoryslot2(DIMM2)6Thermalsensorconnector

7Powerfanconnector8Harddiskdrive/Opticaldrivepowerconnectors(numberand

locationvarybymodel)

914-pinpowerconnector10BIOSROM

11SATA3.0connectors12Powersupplyfanconnector

13SATA2.0connector14Frontpanelconnector(forconnectingLEDindicatorsand

thepowerbutton)

15FrontUSBconnector1(forconnectingUSB

ports1and2onthefrontbezel)

16FrontUSBconnector2(forconnectinganadditionalUSB

device)

17ClearCMOS(ComplementaryMetalOxide

Semiconductor)/Recoveryjumper

18Serial(COM2)connector

19Frontaudioconnector20Internalspeakerconnector

21PCIExpressx1cardslots(2)22PCIExpressx16graphicscardslot

23Systemfanconnector24Battery

72ThinkCentreE73HardwareMaintenanceManual

Locatinginternaldrives

Internaldrivesaredevicesthatyourcomputerusestoreadandstoredata.Youcanadddrivestoyour

computertoincreasestoragecapacityandenableyourcomputertoreadothertypesofmedia.Internal

drivesareinstalledinbays.Inthismanual,thebaysarereferredtoasbay1,bay2,andsoon.

Wheninstallingorreplacinganinternaldrive,itisimportanttonotethetypeandsizeofthedrivethatyou

caninstallorreplaceineachbayandcorrectlyconnectthecablestothedriveinstalled.Refertothe

appropriatesectionin“Installingorreplacinghardware”onpage81forinstructionsonhowtoinstallor

replaceinternaldrivesforyourcomputer.

Figure5“Drivebaylocations”onpage73showsthelocationsofthedrivebays.

Figure5.Drivebaylocations

1Bay1-Opticaldrivebay(withanopticaldriveinstalledonsomemodels)

2Bay2-Slimcardreaderdrivebay

3Bay3-Primaryharddiskdrivebay(witha3.5-inchSATAharddiskdriveinstalled)

4Bay4-Secondaryharddiskdrivebay

Formachinetypes:10AU,10AW,10BF,10BG,10DU,and10DT

Thissectionprovidesinformationtohelpyoulocateyourcomputerconnectors,components,partson

thesystemboard,andinternaldrives.

Note:Thecomponentsinyourcomputermightlookslightlydifferentfromtheillustrations.

Chapter8.Locations73

Locatingconnectors,controls,andindicatorsonthefrontofyour

computer

Figure6“Frontconnector,control,andindicatorlocations”onpage74showsthelocationsofthe

connectors,controls,andindicatorsonthefrontofyourcomputer.

Figure6.Frontconnector,control,andindicatorlocations

1Opticaldriveeject/closebutton2Powerbutton

3Harddiskdriveactivityindicator4Powerindicator

5USB2.0connector6Microphoneconnector

7Headphoneconnector8USB2.0connector

74ThinkCentreE73HardwareMaintenanceManual

Locatingconnectorsontherearofyourcomputer

Figure7“Rearconnectorlocations”onpage75showsthelocationsoftheconnectorsontherearofyour

computer.Someconnectorsontherearofyourcomputerarecolor-codedtohelpyoudeterminewhereto

connectthecablesonyourcomputer.

5 6

Figure7.Rearconnectorlocations

1Powercordconnector2DisplayPortconnector

3VGAmonitorconnector4USB3.0connectors

5USB2.0connectors6Microphoneconnector

7Audioline-outconnector8Audioline-inconnector

9PCIExpressx16graphicscardslot10PCIExpressx1cardslots(2)

11Ethernetconnector12Security-lockslot

13Padlockloop

ConnectorDescription

Audioline-inconnectorUsedtoreceiveaudiosignalsfromanexternalaudiodevice,suchasastereo

system.Whenyouattachanexternalaudiodevice,acableisconnectedbetween

theaudioline-outconnectorofthedeviceandtheaudioline-inconnectorofthe

computer.

Audioline-outconnectorUsedtosendaudiosignalsfromthecomputertoexternaldevices,suchaspowered

stereospeakers(speakerswithbuilt-inampliﬁers),headphones,multimedia

keyboards,ortheaudioline-inconnectoronastereosystemorotherexternal

recordingdevice.

DisplayPortconnectorUsedtoattachahigh-performancemonitor,adirect-drivemonitor,orotherdevices

thatuseaDisplayPortconnector.

Chapter8.Locations75

ConnectorDescription

EthernetconnectorUsedtoattachanEthernetcableforalocalareanetwork(LAN).

Note:TooperatethecomputerwithinFCCClassBlimits,useaCategory5eor

betterEthernetcable.

MicrophoneconnectorUsedtoattachamicrophonetoyourcomputerwhenyouwanttorecordsoundorif

youusespeech-recognitionsoftware.

USB2.0connectorUsedtoattachadevicethatrequiresaUSB2.0connection,suchasakeyboard,a

mouse,ascanner,aprinter,orapersonaldigitalassistant(PDA).

USB3.0connectorUsedtoattachadevicethatrequiresaUSB2.0or3.0connection,suchasa

keyboard,amouse,ascanner,aprinter,orapersonaldigitalassistant(PDA).A

USB3.0connectorprovideshightransmissionspeedstoreducethetimethatis

requiredfordatatransmission.

VGAmonitorconnectorUsedtoattachaVGAmonitororotherdevicesthatuseaVGAmonitorconnector.

LocatingmajorFRUsandCRUs

Figure8“Componentlocations”onpage77showsthelocationsofthevariouscomponentsinyour

computer.Toremovethecomputercover,see“Removingthecomputercover”onpage124.

76ThinkCentreE73HardwareMaintenanceManual

Figure8.Componentlocations

ThefollowingtableliststhemajorFRUsshowninFigure8“Componentlocations”onpage77andidentiﬁes

whichFRUsalsoareself-serviceCRUsoroptional-serviceCRUs.

Chapter8.Locations77

Notes:

•Self-serviceCRUs:TheseCRUsunplugoraresecuredbynomorethantwoscrews.Examplesof

thesetypesofCRUsincludethekeyboard,themouse,anyUSBdevice,andthepowercord.Other

self-serviceCRUsdependingonproductdesignmightincludememorymodules,adaptercards,hard

diskdrives,andopticaldrives.

•Optional-serviceCRUs:TheseCRUsareisolatedpartswithinthecomputerandareconcealedbyan

accesspanelthatistypicallysecuredbymorethantwoscrews.Oncetheaccesspanelisremoved,the

speciﬁcCRUisvisible.

NumberFRUdescriptionSelf-serviceCRUOptional-serviceCRU

1PowersupplyassemblyNoYes

2MicroprocessorNoYes

3MemorymodulesYesNo

4Opticaldrive(availableonsomemodels)YesNo

5FrontWi-Fiantenna(availableonsomemodels)NoYes

6FrontbezelYesNo

7FrontaudioandUSBassemblyNoYes

8Slimcardreader(availableonsomemodels)NoYes

9ThermalsensorNoYes

10FrontfanassemblyNoYes

11HarddiskdriveNoYes

12BatteryYesNo

13SystemboardNoNo

14Wi-Fiadaptercard(availableonsomemodels)NoYes

15Wi-Ficardmodule(availableonsomemodels)NoYes

16RearWi-Fiantenna(availableonsomemodels)YesNo

17PeripheralComponentInterconnect(PCI)Express

card(availableonsomemodels)

YesNo

18HeatsinkandfanassemblyYesNo

19KeyboardYesNo

20MouseYesNo

LookingupFRUinformation

FordetailedFRUinformation,suchastheFRUpartnumbersandsupportedcomputermodels,goto:

http:/www.lenovo.com/serviceparts-lookup

78ThinkCentreE73HardwareMaintenanceManual

Locatingpartsonthesystemboard

Figure9“Systemboardpartlocations”onpage79showsthelocationsofthepartsonthesystemboard.

Figure9.Systemboardpartlocations

14-pinpowerconnector2Microprocessor

3Microprocessorfanconnector4Memoryslot1(DIMM1)

5Memoryslot2(DIMM2)6Thermalsensorconnector

7Powerfanconnector8Harddiskdrive/Opticaldrivepowerconnectors(numberand

locationvarybymodel)

914-pinpowerconnector10BIOSROM

11SATA3.0connectors12Powersupplyfanconnector

13SATA2.0connector14Frontpanelconnector(forconnectingLEDindicatorsand

thepowerbutton)

15FrontUSBconnector1(forconnectingUSB

ports1and2onthefrontbezel)

16FrontUSBconnector2(forconnectinganadditionalUSB

device)

17ClearCMOS(ComplementaryMetalOxide

Semiconductor)/Recoveryjumper

18Serialconnector

19Frontaudioconnector20Internalspeakerconnector

21PCIExpressx1cardslots(2)22PCIExpressx16graphicscardslot

23Systemfanconnector24Battery

Chapter8.Locations79

Locatinginternaldrives

Internaldrivesaredevicesthatyourcomputerusestoreadandstoredata.Youcanadddrivestoyour

computertoincreasestoragecapacityandenableyourcomputertoreadothertypesofmedia.Internal

drivesareinstalledinbays.Inthismanual,thebaysarereferredtoasbay1,bay2,andsoon.

Wheninstallingorreplacinganinternaldrive,itisimportanttonotethetypeandsizeofthedrivethatyou

caninstallorreplaceineachbayandcorrectlyconnectthecablestothedriveinstalled.Refertothe

appropriatesectionin“Installingorreplacinghardware”onpage123forinstructionsonhowtoinstallor

replaceinternaldrivesforyourcomputer.

Figure10“Drivebaylocations”onpage80showsthelocationsofthedrivebays.

Figure10.Drivebaylocations

1Bay1-Secondaryharddiskdrivebay(withaSATAsolid-statedriveorahybridharddiskdriveinstalledon

somemodels)

2Bay2-Opticaldrivebay(withanopticaldriveinstalledonsomemodels)

3Bay3-Slimcardreaderdrivebay(withaslimcardreaderinstalledonsomemodels)

4Bay4-Harddiskdrivebay(witha2.5-inchor3.5-inchSATAharddiskdriveinstalled)

80ThinkCentreE73HardwareMaintenanceManual

Chapter9.ReplacingFRUs(machinetypes:10ASand10AU)

ThischapterprovidesinformationabouttheFRUreplacementinstructions.NotallFRUsaredocumented.

Important:EnsurethatyoureadandunderstandChapter2“Safetyinformation”onpage3beforereplacing

anyFRU.Theseprecautionsandguidelineswillhelpyouworksafely.

Note:FRUreplacementsaretobedoneonlybytrainedservicetechnicians.

Handlingstatic-sensitivedevices

Donotopenthestatic-protectivepackagecontainingthenewpartuntilthedefectiveparthasbeenremoved

fromthecomputerandyouarereadytoinstallthenewpart.Staticelectricity,althoughharmlesstoyou,can

seriouslydamagecomputercomponentsandparts.

Whenyouhandlecomputerpartsandcomponents,taketheseprecautionstoavoidstatic-electricitydamage:

•Limityourmovement.Movementcancausestaticelectricitytobuilduparoundyou.

•Alwayscarefullyhandlethepartsandothercomputercomponents.HandlePCIcards,memorymodules,

systemboards,andmicroprocessorsbytheedges.Nevertouchexposedcircuitry.

•Preventothersfromtouchingthepartsandothercomputercomponents.

•Beforeyoureplaceanewpart,touchthestatic-protectivepackagecontainingthenewparttoametal

expansion-slotcoverorotherunpaintedmetalsurfaceonthecomputerforatleasttwoseconds.This

reducesstaticelectricityfromthepackageandyourbody.

•Removethenewpartfromthestatic-protectivepackageanddirectlyinstallitinthecomputerwithout

placingitonanyothersurface.Ifitishardforyoutodothisinyourspeciﬁcsituation,placethe

static-protectivepackageofthenewpartonasmooth,levelsurface,andthenplacethenewparton

thestatic-protectivepackage.

•Donotplacethepartonthecomputercoverorothermetalsurface.

Installingorreplacinghardware

Thissectionprovidesinstructionsonhowtoinstallorreplacehardwareforyourcomputer.Youcanexpand

thecapabilitiesofyourcomputerandmaintainyourcomputerbyinstallingorreplacinghardware.

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important

safetyinformation”onpage1.

Notes:

1.UseonlycomputerpartsprovidedbyLenovo.

2.Wheninstallingorreplacinganoption,usetheappropriateinstructionsinthissectionalongwiththe

instructionsthatcomewiththeoption.

Installingexternaloptions

Youcanconnectexternaloptionstoyourcomputer,suchasexternalspeakers,aprinter,orascanner.For

someexternaloptions,youmustinstalladditionalsoftwareinadditiontomakingthephysicalconnection.

Wheninstallinganexternaloption,see“Locatingconnectors,controls,andindicatorsonthefrontofyour

computer”onpage67and“Locatingconnectorsontherearofyourcomputer”onpage68toidentifythe

requiredconnector.Then,usetheinstructionsthatcomewiththeoptiontohelpyoumaketheconnection

andinstallanysoftwareordevicedriversthatarerequiredfortheoption.

©CopyrightLenovo2013,201581

Removingthecomputercover

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important

safetyinformation”onpage1.

Thissectionprovidesinstructionsonhowtoremovethecomputercover.

CAUTION:

Beforeyouopenthecomputercover,turnoffthecomputerandwaitseveralminutesuntilthe

computeriscool.

Toremovethecomputercover,dothefollowing:

1.Removeanymediafromthedrivesandturnoffallattacheddevicesandthecomputer.

2.Disconnectallpowercordsfromelectricaloutlets.

3.Disconnectthepowercords,Input/Outputcables,andanyothercablesthatareconnectedtothe

computer.See“Locatingconnectors,controls,andindicatorsonthefrontofyourcomputer”onpage

67and“Locatingconnectorsontherearofyourcomputer”onpage68.

4.Removeanylockingdevicethatsecuresthecomputercover,suchasapadlockoraKensington-style

cablelock.

5.Removethetwoscrewsthatsecurethecomputercoverandslidethecomputercovertotherearto

removeit.

Figure11.Removingthecomputercover

82ThinkCentreE73HardwareMaintenanceManual

Removingandreinstallingthefrontbezel

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important

safetyinformation”onpage1.

Thissectionprovidesinstructionsonhowtoremoveandreinstallthefrontbezel.

Toremoveandreinstallthefrontbezel,dothefollowing:

1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage82.

3.Removethefrontbezelbyreleasingthethreeplastictabsontheleftsideandpivotingthefrontbezel

outward.

Figure12.Removingthefrontbezel

Chapter9.ReplacingFRUs(machinetypes:10ASand10AU)83

4.Toreinstallthefrontbezel,alignthethreeplastictabsontherightsideofthefrontbezelwiththe

correspondingholesinthechassis,thenpivotthefrontbezelinwardsuntilitsnapsintopositionon

theleftside.

Figure13.Reinstallingthefrontbezel

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage121.

InstallingorreplacingaPCIExpresscard

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important

safetyinformation”onpage1.

ThissectionprovidesinstructionsonhowtoinstallorreplaceaPCIExpresscard.Yourcomputerhastwo

PCIExpressx1cardslotsandonePCIExpressx16graphicscardslot.

ToinstallorreplaceaPCIExpresscard,dothefollowing:

1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage82.

84ThinkCentreE73HardwareMaintenanceManual

3.Attherearofthecomputer,removethescrewthatsecuresthePCIExpresscardlatch.

Figure14.RemovingthescrewthatsecuresthePCIExpresscardlatch

4.DependingonwhetheryouareinstallingorreplacingaPCIExpresscard,dooneofthefollowing:

•IfyouareinstallingaPCIExpresscard,removetheappropriatemetalslotcover.

Chapter9.ReplacingFRUs(machinetypes:10ASand10AU)85

•IfyouarereplacinganoldPCIExpresscard,grasptheoldcardthatiscurrentlyinstalledandgently

pullitoutoftheslot.

Figure15.RemovingaPCIExpresscard

Notes:

a.Thecardﬁtstightlyintothecardslot.Ifnecessary,alternatemovingeachsideofthecardasmall

amountuntilitisremovedfromthecardslot.

b.Ifthecardisheldinplacebyaretaininglatch,pressthecardretaininglatch1asshownto

disengagethelatch.Graspthecardandgentlypullitoutoftheslot.

5.RemovethenewPCIExpresscardfromitsstatic-protectivepackage.

6.InstallthenewPCIExpresscardintotheappropriateslotonthesystemboard.See“Locatingpartson

thesystemboard”onpage72.

Note:IfyouareinstallingaPCIExpressx16graphicscard,ensurethatthememoryslotretainingclips

areclosedbeforeyouinstallthegraphicscard.

86ThinkCentreE73HardwareMaintenanceManual

7.PivotthecardlatchtotheclosedpositiontosecurethePCIExpresscard.

Figure16.InstallingaPCIExpresscard

8.ReinstallthescrewtosecurethePCIExpresscardlatchinplace.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage121.

Installingorreplacingamemorymodule

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important

safetyinformation”onpage1.

Thissectionprovidesinstructionsonhowtoinstallorreplaceamemorymodule.

Yourcomputerhastwoslotsforinstallingorreplacingdoubledatarate3unbuffereddualinlinememory

modules(DDR3UDIMMs)thatprovideuptoamaximumof8GBsystemmemory.Wheninstallingor

replacingamemorymodule,use1GB,2GB,or4GBDDR3UDIMMsinanycombinationuptoamaximum

of8GB.

Toinstallorreplaceamemorymodule,dothefollowing:

1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage82.

3.Laythecomputeronitssideforeasieraccesstothesystemboard.

4.Locatethememoryslots.See“Locatingpartsonthesystemboard”onpage72.

5.Removeanypartsthatmightpreventyouraccesstothememoryslots.Dependingonyourcomputer

model,youmightneedtoremovethePCIExpressx16graphicscardforeasieraccesstothememory

slots.See“InstallingorreplacingaPCIExpresscard”onpage84.

Chapter9.ReplacingFRUs(machinetypes:10ASand10AU)87

6.Dependingonwhetheryouareinstallingorreplacingamemorymodule,dooneofthefollowing:

•Ifyouarereplacinganoldmemorymodule,opentheretainingclipsandgentlypullthememory

moduleoutofthememoryslot.

Figure17.Removingamemorymodule

•Ifyouareinstallingamemorymodule,opentheretainingclipsofthememoryslotintowhichyou

wanttoinstallthememorymodule.

Figure18.Openingtheretainingclips

88ThinkCentreE73HardwareMaintenanceManual

7.Positionthenewmemorymoduleoverthememoryslot.Makesurethatthenotch1onthememory

modulealignscorrectlywiththeslotkey2onthesystemboard.Pushthememorymodulestraight

downintotheslotuntiltheretainingclipsclose.

Figure19.Installingamemorymodule

8.ReinstallthePCIExpressx16graphicscardifyouhaveremovedit.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage121.

Replacingtherearfanassembly

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important

safetyinformation”onpage1.

Thissectionprovidesinstructionsonhowtoreplacetherearfanassembly.

Toreplacetherearfanassembly,dothefollowing:

1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage82.

3.Locatetherearfanassembly.See“LocatingmajorFRUsandCRUs”onpage69.

4.Disconnecttherearfanassemblycablefromthesystemfanconnectoronthesystemboard.See

“Locatingpartsonthesystemboard”onpage72.

Chapter9.ReplacingFRUs(machinetypes:10ASand10AU)89

5.Therearfanassemblyisattachedtothechassisbyfourrubbermounts.Removetherearfanassembly

bybreakingorcuttingtherubbermountsandgentlypullingtherearfanassemblyoutofthechassis.

Note:Thenewrearfanassemblywillhavefournewrubbermountsattached.

Figure20.Removingtherearfanassembly

6.Installthenewrearfanassemblybyaligningthenewrubbermountswiththecorrespondingholesinthe

chassisandpushtherubbermountsthroughtheholes.

90ThinkCentreE73HardwareMaintenanceManual

7.Pullonthetipsoftherubbermountsuntiltherearfanassemblyissecuredinplace.

Figure21.Installingtherearfanassembly

8.Connecttherearfanassemblycabletothesystemfanconnectoronthesystemboard.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage121.

Replacingthebattery

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important

safetyinformation”onpage1.

Yourcomputerhasaspecialtypeofmemorythatmaintainsthedate,time,andsettingsforbuilt-infeatures,

suchasparallel-portassignments(conﬁguration).Abatterykeepsthisinformationactivewhenyouturn

offthecomputer.

Thebatterynormallyrequiresnochargingormaintenancethroughoutitslife;however,nobatterylasts

forever.Ifthebatteryfails,thedate,time,andconﬁgurationinformation(includingpasswords)arelost.An

errormessageisdisplayedwhenyouturnonthecomputer.

Refertothe“Lithiumbatterynotice”intheThinkCentreSafetyandWarrantyGuideforinformationabout

replacinganddisposingofthebattery.

Toreplacethebattery,dothefollowing:

1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

Chapter9.ReplacingFRUs(machinetypes:10ASand10AU)91

2.Removethecomputercover.See“Removingthecomputercover”onpage82.

3.Dependingonyourcomputermodel,youmightneedtoremovethePCIExpressx16graphicscardfor

easieraccesstothebattery.See“InstallingorreplacingaPCIExpresscard”onpage84.

4.Removetheoldbattery.

Figure22.Removingtheoldbattery

5.Installanewbattery.

Figure23.Installinganewbattery

6.ReinstallthePCIExpressx16graphicscardifyouhadremovedit.See“InstallingorreplacingaPCI

Expresscard”onpage84.

7.Reinstallthecomputercoverandconnectthecables.See“Completingthepartsreplacement”on

page121.

Note:Whenthecomputeristurnedonfortheﬁrsttimeafterreplacingthebattery,anerrormessage

mightbedisplayed.Thisisnormalafterreplacingthebattery.

8.Turnonthecomputerandallattacheddevices.

9.UsetheSetupUtilityprogramtosetthedate,time,andanypasswords.SeeChapter6“UsingtheSetup

Utilityprogram”onpage55.

Replacingtheprimaryharddiskdrive

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important

safetyinformation”onpage1.

Thissectionprovidesinstructionsonhowtoreplacetheprimaryharddiskdrive.

Toreplacetheprimaryharddiskdrive,dothefollowing:

1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage82.

3.Locatetheprimaryharddiskdrive.See“Locatinginternaldrives”onpage73.

Note:Thereisalsoasecondaryharddiskdrivebayforyoutopurchaseandinstallasecondaryhard

diskdrivebyyourself.Ifyouwanttoinstallasecondaryharddiskdrive,usethesamewayofinstalling

theprimaryharddiskdrive.

92ThinkCentreE73HardwareMaintenanceManual

4.Disconnectthesignalcableandthepowercablefromtheharddiskdrive.

5.Removethefourscrewsthatsecuretheharddiskdrive.Then,slidetheharddiskdriveoutofthechassis.

Figure24.Removingtheprimaryharddiskdrive

Chapter9.ReplacingFRUs(machinetypes:10ASand10AU)93

6.Slidethenewharddiskdriveintotheharddiskdrivebayandalignthescrewholesinthenewhard

diskdrivewiththecorrespondingholesinthedrivebay.Then,installthefourscrewstosecurethe

newharddiskdriveinplace.

Figure25.Installingtheharddiskdrive

7.Connectoneendofthesignalcabletotherearofthenewharddiskdriveandtheotherendtoan

availableSATAconnectoronthesystemboard.See“Locatingpartsonthesystemboard”onpage72.

Then,locateanavailableﬁve-wirepowerconnectorandconnectittotherearofthenewharddiskdrive.

Figure26.ConnectingaSATAharddiskdrive

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage121.

Installingthesolid-statedrive

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe

“Importantsafetyinformation”onpage1.

94ThinkCentreE73HardwareMaintenanceManual

Thissectionprovidesinstructionsonhowtoinstallthe2.5-inchsolid-statedrive.

Toinstallthesolid-statedrive,dothefollowing:

1.Installthesolid-statedriveintothestorageconverter.Then,installthefourscrewstosecurethe

solid-statedrivetothestorageconverter.

Figure27.Installingthesolid-statedriveintothestorageconverter

2.Connectthesignalcableandthepowercabletothesolid-statedrive.

3.Installthesolid-statedriveintotheharddiskdrivebay.See“Replacingtheprimaryharddiskdrive”on

page92.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage121.

Replacingtheopticaldrive

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important

safetyinformation”onpage1.

Thissectionprovidesinstructionsonhowtoinstallorreplacetheopticaldrive.

Note:Theopticaldriveisonlyavailableinsomemodels.

Toreplaceanopticaldrive,dothefollowing:

1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage82.

3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage83.

Chapter9.ReplacingFRUs(machinetypes:10ASand10AU)95

4.Removethethreescrewsthatsecuretheopticaldrive.Then,slidetheopticaldriveoutofthefront

ofthecomputer.

Figure28.Removingtheopticaldrive

5.Slidethenewopticaldriveintothedrivebayfromthefrontandalignthescrewholesinthenewoptical

drivewiththecorrespondingholesinthedrivebay.Then,installthethreescrewstosecurethenew

opticaldriveinplace.

Figure29.Installingtheopticaldrive

96ThinkCentreE73HardwareMaintenanceManual

6.Connectoneendofthesignalcabletotherearofthenewopticaldriveandtheotherendtoanavailable

SATAconnectoronthesystemboard.See“Locatingpartsonthesystemboard”onpage72.Then,

locateanavailableﬁve-wirepowerconnectorandconnectittotherearofthenewopticaldrive.

Figure30.Connectingtheopticaldrive

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage121.

Replacingtheslimcardreader

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important

safetyinformation”onpage1.

Thissectionprovidesinstructionsonhowtoreplacetheslimcardreader.

Note:Theslimcardreaderisonlyavailableinsomemodels.

Toreplacetheslimcardreader,dothefollowing:

1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect

allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.

2.Removethecomputercover.See“Removingthecomputercover”onpage82.

3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage83.

4.Recordthecableroutingoftheinstalledslimcardreaderanddisconnectthecableoftheslimcard

readerfromthesystemboard.

5.Removethescrewthatsecurestheslimcardreaderbracketandthenremovethebracketfromthe

chassis.

Chapter9.ReplacingFRUs(machinetypes:10ASand10AU)97

Figure31.Removingtheslimcardreaderbracket

6.Removethetwoscrewsthatsecurethecardreadertothebracket.Then,slidethecardreaderas

showntoremoveitfromthebracket.

Note:Touchonlytheedgesofthecardreader.Donottouchthecircuitboardofit.

Figure32.Removingtheslimcardreaderfromthebracket

7.Takethenewcardreaderoutofthestatic-protectivepackagebyitssides.

8.Alignthenewcardreaderintheslimcardreaderbracketandslidethecardreaderintotherailasshown

untilitstops.Then,installthetwoscrewstosecurethenewcardreadertothebracket.

98ThinkCentreE73HardwareMaintenanceManual

Figure33.Installingthenewslimcardreaderintothebracket

9.Routethecableofthenewcardreaderthroughthecorrespondingholeforthecardreaderbracketin

thefrontofthechassis.

10.Installthebracketintothechassissothattheholeinthebracketisalignedwiththecorrespondinghole

inthechassis.Then,Installthescrewtosecurethecardreaderbrackettothechassis.

Figure34.Installingtheslimcardreaderbracket

11.Connectthecableofthenewslimcardreadertothesystemboard.See“Locatingpartsonthe

systemboard”onpage72.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage121.

Chapter9.ReplacingFRUs(machinetypes:10ASand10AU)99

Replacingthepowersupplyassembly

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important

safetyinformation”onpage1.

Thissectionprovidesinstructionsonhowtoreplacethepowersupplyassembly.

Althoughtherearenomovingpartsinyourcomputerafterthepowercordhasbeendisconnected,the

followingwarningsarerequiredforyoursafetyandproperUnderwritersLaboratories(UL)certiﬁcation.

CAUTION:

Hazardousmovingparts.Keepﬁngersandotherbodypartsaway.

CAUTION:

Neverremovethecoveronapowersupplyoranypartthathasthefollowinglabelattached.

Hazardousvoltage,current,andenergylevelsarepresentinsideanycomponentthathasthislabel

attached.Therearenoserviceablepartsinsidethesecomponents.Ifyoususpectaproblemwith

oneoftheseparts,contactaservicetechnician.

Toreplacethepowersupplyassembly,dothefollowing:

1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage82.

3.Disconnectthepowersupplyassemblycablesfromalldrivesandfromthe24-pinpowerconnectorand

4-pinpowerconnectoronthesystemboard.See“Locatingpartsonthesystemboard”onpage72.

100ThinkCentreE73HardwareMaintenanceManual

4.Laythecomputeronitssideandremovethefourscrewsattherearofthechassisthatsecurethe

powersupplyassembly.

Figure35.Removingthescrewsforthepowersupplyassembly

5.Slidethepowersupplyassemblytothefrontofthecomputerandthenliftitoutofthechassis.

6.Ensurethatthenewpowersupplyassemblyisthecorrectreplacement.Somepowersupplyassemblies

automaticallysensethevoltage,somepowersupplyassembliesarevoltagespeciﬁc,andsome

powersupplyassemblieshaveavoltage-selectionswitch.Ifyourpowersupplyassemblyhasa

voltage-selectionswitch,makesurethatyousetthevoltage-selectionswitchtomatchthevoltage

availableatyourelectricaloutlet.Ifnecessary,useaballpointpentoslidethevoltage-selectionswitch

tothecorrectposition.

•Ifthevoltagesupplyrangeinyourlocalcountryorregionis100–127Vac,setthevoltage-selection

switchto115V.

•Ifthevoltagesupplyrangeinyourlocalcountryorregionis200–240Vac,setthevoltage-selection

switchto230V.

7.Installthenewpowersupplyassemblyintothechassissothatthescrewholesinthepowersupply

assemblyalignwiththoseinthechassis.

8.Installandtightenthefourscrewstosecurethepowersupplyassembly.

Note:UseonlyscrewsprovidedbyLenovo.

9.Reconnectthepowersupplyassemblycablestothesystemboardandeachofthedrives.

10.Securethepowersupplyassemblycableswiththecableclipsandtiesinthechassis.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage121.

Replacingtheheatsinkandfanassembly

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important

safetyinformation”onpage1.

Thissectionprovidesinstructionsonhowtoreplacetheheatsinkandfanassembly.

Chapter9.ReplacingFRUs(machinetypes:10ASand10AU)101

CAUTION:

Theheatsinkandfanassemblymightbeveryhot.Beforeyouopenthecomputercover,turnoffthe

computerandwaitseveralminutesuntilthecomputeriscool.

Toreplacetheheatsinkandfanassembly,dothefollowing:

1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage82.

3.Laythecomputeronitssideforeasieraccesstothesystemboard.

4.Locatetheheatsinkandfanassembly.See“LocatingmajorFRUsandCRUs”onpage69.

5.Disconnecttheheatsinkandfanassemblycablefromthemicroprocessorfanconnectoronthesystem

board.See“Locatingpartsonthesystemboard”onpage72.

6.Followthissequencetoremovethefourscrewsthatsecuretheheatsinkandfanassemblytothe

systemboard:

a.Partiallyremovescrew1,thenfullyremovescrew2,andthenfullyremovescrew1.

b.Partiallyremovescrew3,thenfullyremovescrew4,andthenfullyremovescrew3.

Note:Carefullyremovethefourscrewsfromthesystemboardtoavoidanypossibledamagetothe

systemboard.Thefourscrewscannotberemovedfromtheheatsinkandfanassembly.

Figure36.Removingtheheatsinkandfanassembly

7.Liftthefailingheatsinkandfanassemblyoffthesystemboard.

Notes:

a.Youmighthavetogentlytwisttheheatsinkandfanassemblytofreeitfromthemicroprocessor.

b.Whenhandlingtheheatsinkandfanassembly,donottouchthethermalgreaseonthebottom

oftheheatsinkandfanassembly.

102ThinkCentreE73HardwareMaintenanceManual

8.Placethenewheatsinkandfanassemblyonthesystemboardsothatthefourscrewsarealignedwith

thecorrespondingholesinthesystemboard.

Note:Positionthenewheatsinkandfanassemblysothattheheatsinkandfanassemblycableis

towardthemicroprocessorfanconnectoronthesystemboard.

9.Followthefollowingsequencetoinstallthefourscrewstosecurethenewheatsinkandfanassembly.

Donotover-tightenthescrews.

a.Partiallytightenscrew1,thenfullytightenscrew2,andthenfullytightenscrew1.

b.Partiallytightenscrew3,thenfullytightenscrew4,andthenfullytightenscrew3.

10.Connectthenewheatsinkandfanassemblycabletothemicroprocessorfanconnectoronthesystem

board.See“Locatingpartsonthesystemboard”onpage72.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage121.

Replacingthethermalsensor

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe

“Importantsafetyinformation”onpage1.

Thissectionprovidesinstructionsonhowtoreplacethethermalsensor.

Toreplacethethermalsensor,dothefollowing:

1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect

allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.

2.Removethecomputercover.See“Removingthecomputercover”onpage82.

3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage83.

4.Locatethethermalsensor.See“LocatingmajorFRUsandCRUs”onpage69.

5.Disconnectthethermalsensorcablefromthethermalsensorconnectoronthesystemboard.See

“Locatingpartsonthesystemboard”onpage72.

Chapter9.ReplacingFRUs(machinetypes:10ASand10AU)103

6.Frominsidethechassis,pivottheretainingclip1thatsecurestheplasticholderofthethermalsensor

inwardandthenpushtheclipoutwardtoreleasetheclip.Thendisengagetheplasticholderholding

thethermalsensorfromthechassis.

Figure37.Removingthethermalsensor

7.Pulltheentirethermalsensoroutofthechassis.

104ThinkCentreE73HardwareMaintenanceManual

8.Inserttheconnectorandcableofthenewthermalsensorintothehole1inthechassis.Thenalignthe

twotabsontheplasticholderholdingthethermalsensorwiththetwoholes1and2inthechassis,

andpushtheplasticholderuntilitsnapsintoposition.

Figure38.Installingthenewthermalsensor

9.Reconnectthethermalsensorcabletothesystemboard.See“Locatingpartsonthesystemboard”

onpage72.

10.Reinstallthefrontbezel.See“Removingandreinstallingthefrontbezel”onpage83.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage121.

Replacingthemicroprocessor

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important

safetyinformation”onpage1.

Thissectionprovidesinstructionsonhowtoreplacethemicroprocessor.

CAUTION:

Theheatsinkandmicroprocessormightbeveryhot.Beforeyouopenthecomputercover,turnoff

thecomputerandwaitseveralminutesuntilthecomputeriscool.

Chapter9.ReplacingFRUs(machinetypes:10ASand10AU)105

Toreplacethemicroprocessor,dothefollowing:

1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage82.

3.Laythecomputeronitssideforeasieraccesstothesystemboard.

4.Removetheheatsinkandfanassembly.See“Replacingtheheatsinkandfanassembly”onpage101.

Note:Placetheheatsinkandfanassemblyonitssidesothatthethermalgreaseonthebottomofit

doesnotgetincontactwithanything.

5.Liftthesmallhandle1andopentheretainer2toaccessthemicroprocessor3.

Figure39.Accessingthemicroprocessor

6.Liftthemicroprocessorstraightupandoutofthemicroprocessorsocket.

Figure40.Removingthemicroprocessor

Notes:

106ThinkCentreE73HardwareMaintenanceManual

a.Yourmicroprocessorandsocketmightlookdifferentfromtheoneillustrated.

b.Notetheorientationofthemicroprocessorinthesocket.Youcaneitherlookforthesmalltriangle1

ononecornerofthemicroprocessorornotetheorientationofthenotches2onthemicroprocessor.

Thisisimportantwheninstallingthenewmicroprocessoronthesystemboard.

c.Touchonlytheedgesofthemicroprocessor.Donottouchthegoldcontactsonthebottom.

d.Donotdropanythingontothemicroprocessorsocketwhileitisexposed.Thesocketpinsmustbe

keptascleanaspossible.

7.Ensurethatthesmallhandleisintheraisedpositionandthemicroprocessorretainerisfullyopen.

8.Removetheprotectivecoverthatprotectsthegoldcontactsofthenewmicroprocessor.

9.Holdthenewmicroprocessorbyitssidesandalignthesmalltriangleononecornerofthenew

microprocessorwiththecorrespondingsmalltriangleononecornerofthemicroprocessorsocket.

10.Lowerthenewmicroprocessorstraightdownintothemicroprocessorsocketonthesystemboard.

Figure41.Installingthemicroprocessor

11.Closethemicroprocessorretainerandlockitintopositionwiththesmallhandletosecurethenew

microprocessorinthesocket.

12.Reinstalltheheatsinkandfanassembly.See“Replacingtheheatsinkandfanassembly”onpage101.

13.Reconnectallcablesthatweredisconnectedfromthesystemboard.

Chapter9.ReplacingFRUs(machinetypes:10ASand10AU)107

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletethereplacement,goto“Completingthepartsreplacement”onpage121.

Replacingthesystemboard

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important

safetyinformation”onpage1.

Thissectionprovidesinstructionsonhowtoreplacethesystemboard.

CAUTION:

Theheatsinkandmicroprocessormightbeveryhot.Beforeyouopenthecomputercover,turnoff

thecomputerandwaitseveralminutesuntilthecomputeriscool.

Toreplacethesystemboard,dothefollowing:

1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect

allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.

2.Removethecomputercover.See“Removingthecomputercover”onpage82.

3.Laythecomputeronitssideforeasieraccesstothesystemboard.

4.RemoveallmemorymodulesandPCIExpresscardsthatarecurrentlyinstalled.See“Installingor

replacingamemorymodule”onpage87and“InstallingorreplacingaPCIExpresscard”onpage84.

5.Removetheheatsinkandfanassemblyfromthefailingsystemboard.See“Replacingtheheatsinkand

fanassembly”onpage101.

Note:Donotletthethermalgreaseonthebottomoftheheatsinkandfanassemblygetincontact

withanything.

6.Recordthecableroutingandcableconnectionsandthendisconnectallcablesfromthesystemboard.

See“Locatingpartsonthesystemboard”onpage72.

108ThinkCentreE73HardwareMaintenanceManual

7.Removetheeightscrewsthatsecurethesystemboard.

Figure42.Removingthescrewsthatsecurethesystemboard

8.Slidethesystemboardtothefrontofthecomputerandthencarefullyliftthesystemboardoutofthe

chassis.Placethefailingsystemboardonaﬂat,clean,andstatic-protectivesurface.

9.Removethemicroprocessorfromthefailingsystemboardandinstallitonthenewsystemboard.See

“Replacingthemicroprocessor”onpage105.

10.Installthenewsystemboardintothechassisbyaligningtheeightscrewholesinthenewsystem

boardwiththecorrespondingmountingstudsonthechassis.Then,installtheeightscrewstosecure

thesystemboard.

11.Installtheheatsinkandfanassemblyandconnecttheheat-sink-and-fan-assemblycabletothenew

systemboard.See“Replacingtheheatsinkandfanassembly”onpage101.

Note:Ifnecessary,applytheappropriateamountofthermalgreaseonthebottomoftheheatsink

andfanassembly.

12.InstallallmemorymodulesandPCIExpresscardsremovedfromthefailingsystemboardontothenew

systemboard.See“Installingorreplacingamemorymodule”onpage87and“Installingorreplacinga

PCIExpresscard”onpage84.

13.Refertoyourrecordtoconnectcablestothenewsystemboard.Youalsocanreferto“Locating

partsonthesystemboard”onpage72tohelpyoulocatetheconnectorsonthesystemboardand

connectcables.

14.Tocompletethereplacement,goto“Completingthepartsreplacement”onpage121.

Thefailingsystemboardmustbereturnedwithamicroprocessorsocketcovertoprotectthepinsduring

shippingandhandling.

Chapter9.ReplacingFRUs(machinetypes:10ASand10AU)109

Toinstallthemicroprocessorsocketcover,dothefollowing:

1.Afteryouhaveremovedthemicroprocessorfromthefailingsystemboard,closethemicroprocessor

retainerandthenputthelevertothelockedpositiontosecuretheretainerinplace.

2.Notetheorientationofthesocketcover,andinstallonesideofthesocketcoverontothemicroprocessor

socket.Carefullypresstheothersideofthesocketcoverdownwarduntilthesocketcoversnaps

intoposition.

Note:Yourmicroprocessorsocketandcovermightlookslightlydifferentfromtheillustration.

Figure43.Installingthesocketcoverontothemicroprocessorsocket

3.Carefullycheckthefourcornersofthesocketcovertoensurethatthecoverisseatedsecurely.

4.Followanyadditionalinstructionsincludedwiththereplacementpartyoureceived.

ReplacingthefrontaudioandUSBassembly

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important

safetyinformation”onpage1.

ThissectionprovidesinstructionsonhowtoreplacethefrontaudioandUSBassembly.

ToreplacethefrontaudioandUSBassembly,dothefollowing:

1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage82.

3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage83.

4.LocatethefrontaudioandUSBassembly.

5.DisconnectthefrontaudioandUSBassemblycablesfromthesystemboard.See“Locatingpartson

thesystemboard”onpage72.

Note:Ensurethatyounotethelocationsofthecableswhenyoudisconnectthecablesfromthe

systemboard.

110ThinkCentreE73HardwareMaintenanceManual

6.RemovethescrewthatsecuresthefrontaudioandUSBassemblybrackettothechassistoremove

thebracketfromthechassis.

Figure44.RemovingthefrontaudioandUSBassembly

7.InstallthenewfrontaudioandUSBassemblyintothechassisandalignthescrewholeinthebracket

withthecorrespondingholeinthechassis.

8.InstallthescrewtosecurethenewfrontaudioandUSBassemblytothechassis.

9.ReconnectthefrontaudioandUSBassemblycablestothefrontaudioconnectorandthefrontUSB

connectoronthesystemboard.See“Locatingpartsonthesystemboard”onpage72.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage121.

ReplacingtheWi-Fiunits

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe

“Importantsafetyinformation”onpage1.

ThissectionprovidesinstructionsonhowtoreplacetheWi-Fiunits.TheWi-FiunitsincludeaWi-Fiadapter

card,aWi-Ficardmodule,andarearWi-Fiantennacable.

ReplacingtheWi-Fiunitsinvolvesthefollowingoperations:

•“RemovingtheWi-Fiadaptercard”onpage111

•“RemovingtheWi-Ficardmodule”onpage113

•“InstallingtheWi-Fiunits”onpage114

RemovingtheWi-Fiadaptercard

ToremoveaWi-Fiadaptercard,dothefollowing:

Chapter9.ReplacingFRUs(machinetypes:10ASand10AU)111

1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage82.

3.IfyourcomputercomeswithaWi-FicardmodulethatsupportstheBluetoothfunction,disconnect

theBluetoothcablefromtheWi-Fiadaptercard.

Figure45.DisconnectingtheBluetoothcable

Note:TheBluetoothcableconnectstheBluetoothconnectorontheWi-FiadaptercardtothefrontUSB

connectoronthesystemboardtosupporttheBluetoothfunction.

4.Attherearofthecomputer,removethescrewthatsecuresthePCIcardlatch.

112ThinkCentreE73HardwareMaintenanceManual

5.GrasptheWi-Fiadaptercardthatiscurrentlyinstalledandgentlypullitoutoftheslot.

Figure46.RemovingtheWi-Fiadaptercard

Note:Thecardﬁtstightlyintothecardslot.Ifnecessary,alternatemovingeachsideofthecarda

smallamountuntilitisremovedfromthecardslot.

RemovingtheWi-Ficardmodule

ToremovetheWi-Ficardmodule,dothefollowing:

1.RemovetheWi-Fiadaptercardfromthecomputer,andthendisconnectthefrontandrearWi-Fiantenna

cablesfromtheWi-Ficardmodule.

Figure47.RemovingtheWi-Fiantennacables

Chapter9.ReplacingFRUs(machinetypes:10ASand10AU)113

2.RemovethetwoscrewsthatsecuretheWi-FicardmoduletotheWi-Fiadaptercard.

Figure48.RemovingthescrewsthatsecuretheWi-Ficardmodule

3.PulltheWi-FicardmoduleoutoftheminiPCIExpressslottoremoveitfromtheWi-Fiadaptercard.

Figure49.RemovingtheWi-Ficardmodule

InstallingtheWi-Fiunits

ToinstalltheWi-Fiunits,dothefollowing:

114ThinkCentreE73HardwareMaintenanceManual

1.InserttheWi-FicardmoduleintotheminiPCIExpressslot,andtheninstallthetwoscrewstosecure

theWi-FicardmoduletotheWi-Fiadaptercard.

Figure50.InstallingtheWi-Ficardmodule

Chapter9.ReplacingFRUs(machinetypes:10ASand10AU)115

2.ConnectthefrontantennacableandrearantennacabletotheWi-Ficardmodule.

Figure51.InstallingtheWi-Fiantennacables

3.InstalltheWi-FiadaptercardintothePCIExpressx1slotonthesystemboard.See“Locatingpartson

thesystemboard”onpage72.

4.IftheinstalledWi-FicardmodulesupportstheBluetoothfunction,useaBluetoothcabletoconnectthe

BluetoothconnectorontheWi-FiadaptercardtothefrontUSBconnectoronthesystemboard.

5.PivotthecardlatchtotheclosedpositiontosecuretheWi-Fiadaptercard.

Figure52.InstallingtheWiFiadaptercard

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

116ThinkCentreE73HardwareMaintenanceManual

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage121.

InstallingorremovingtherearWi-Fiantenna

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe

“Importantsafetyinformation”onpage1.

ThissectionprovidesinstructionsonhowtoinstallorremovetherearWi-Fiantenna.

InstallingtherearWi-Fiantenna

ToinstalltherearWi-Fiantenna,dothefollowing:

1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.InstalltherearWi-FiantennatotherearWi-Fiantennacableconnectorattachedontherearofthe

computer.

3.Adjusttheangleoftherearantennatolowertheriskofbreakingtheantennabyaccident.

Figure53.InstallingtherearWiFiantenna

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage121.

RemovingtherearWi-Fiantenna

ToremovetherearWi-Fiantenna,dothefollowing:

1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.StraightentherearWi-Fiantennasothatitcanbemoreeasilytwisted.

Chapter9.ReplacingFRUs(machinetypes:10ASand10AU)117

3.HoldthethickerendoftherearWi-FiantennaandunscrewtheWi-Fiantennafromtherearofthe

computer.

Figure54.RemovingtherearWiFiantenna

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage121.

InstallingorremovingthefrontWi-Fiantenna

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe

“Importantsafetyinformation”onpage1.

ThissectionprovidesinstructionsonhowtoinstallorremovethefrontWi-Fiantenna.

InstallingthefrontWi-Fiantenna

ToinstallthefrontWi-Fiantenna,dothefollowing:

1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage82.

3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage83.

4.Peeloffthepaperthatprotectsthestickersonthefrontantenna.

118ThinkCentreE73HardwareMaintenanceManual

Figure55.Peelingoffthepaperthatprotectsthestickers

5.Stickthefrontantennatothefrontpanelasshown.Theninsertthefrontantennacablethroughthe

holeinthefrontpanel.

Figure56.InstallingthefrontWi-Fiantenna

6.ConnectthefrontantennacabletotheWi-Ficardmodule.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

Chapter9.ReplacingFRUs(machinetypes:10ASand10AU)119

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage121.

RemovingthefrontWi-Fiantenna

ToremovethefrontWi-Fiantenna,dothefollowing:

1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage82.

3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage83.

4.DisconnectthefrontantennacablefromtheWi-Ficardmodule.

5.Removethefrontantennaandcablefromthefrontofthecomputer.

Figure57.RemovingthefrontWi-Fiantenna

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage121.

Replacingthekeyboardormouse

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important

safetyinformation”onpage1.

Thissectionprovidesinstructionsonhowtoreplacethekeyboardormouse.

Toreplacethekeyboardormouse,dothefollowing:

1.Disconnecttheoldkeyboardcableormousecablefromthecomputer.

120ThinkCentreE73HardwareMaintenanceManual

2.ConnectanewkeyboardormousetooneoftheUSBconnectorsonthecomputer.Dependingon

whereyouwanttoconnectthenewkeyboardormouse,see“Locatingconnectors,controls,and

indicatorsonthefrontofyourcomputer”onpage67or“Locatingconnectorsontherearofyour

computer”onpage68.

Figure58.ConnectingtheUSBkeyboardormouse

Completingthepartsreplacement

Aftercompletingtheinstallationorreplacementforallparts,youneedtoreinstallthecomputercoverand

reconnectcables.Dependingonthepartsyouinstalledorreplaced,youmightneedtoconﬁrmtheupdated

informationintheSetupUtilityprogram.RefertoChapter6“UsingtheSetupUtilityprogram”onpage55.

Toreinstallthecomputercoverandreconnectcablestoyourcomputer,dothefollowing:

1.Ensurethatallcomponentshavebeenreassembledcorrectlyandthatnotoolsorloosescrewsareleft

insideyourcomputer.See“LocatingmajorFRUsandCRUs”onpage69forthelocationsofvarious

componentsinyourcomputer.

2.Ensurethatthecablesareroutedcorrectly.Keepcablesclearofthehingesandsidesofthecomputer

chassistoavoidinterferencewithclosingthecomputercover.

3.Ifyouhaveremovedthefrontbezel,reinstallit.See“Removingandreinstallingthefrontbezel”on

page83.

Chapter9.ReplacingFRUs(machinetypes:10ASand10AU)121

4.Positionthecomputercoveronthechassissothattherailguidesonthebottomofthecomputer

coverengagetherailsonthechassis.Then,pushthecovertothefrontofthecomputeruntilitsnaps

intoposition.

Figure59.Reinstallingthecomputercover

5.Ifthereisapadlockavailable,lockthecomputercover.

6.IfthereisaKensington-stylecablelockavailable,lockthecomputer.

7.Reconnecttheexternalcablesandpowercordstothecomputer.See“Locatingconnectorsonthe

rearofyourcomputer”onpage68.

8.Toupdateyourconﬁguration,refertoChapter6“UsingtheSetupUtilityprogram”onpage55.

Note:Inmostareasoftheworld,LenovorequiresthereturnofthedefectiveFieldReplaceableUnits(FRUs).

InformationaboutthiswillcomewiththenewFRUsorwillcomeafewdaysafteryoureceivethenewFRUs.

Obtainingdevicedrivers

Youcanobtaindevicedriversthatarenotpreinstalledinyouroperatingsystemat

http://www.lenovo.com/support.Installationinstructionsareprovidedinreadmeﬁleswiththedevice-driver

ﬁles.

122ThinkCentreE73HardwareMaintenanceManual

Chapter10.ReplacingFRUs(machinetypes:10AU,10AW,

10BF,and10BG)

ThischapterprovidesinformationabouttheFRUreplacementinstructions.NotallFRUsaredocumented.

Important:EnsurethatyoureadandunderstandChapter2“Safetyinformation”onpage3beforereplacing

anyFRU.Theseprecautionsandguidelineswillhelpyouworksafely.

Note:FRUreplacementsaretobedoneonlybytrainedservicetechnicians.

Handlingstatic-sensitivedevices

Donotopenthestatic-protectivepackagecontainingthenewpartuntilthedefectiveparthasbeenremoved

fromthecomputerandyouarereadytoinstallthenewpart.Staticelectricity,althoughharmlesstoyou,can

seriouslydamagecomputercomponentsandparts.

Whenyouhandlecomputerpartsandcomponents,taketheseprecautionstoavoidstatic-electricitydamage:

•Limityourmovement.Movementcancausestaticelectricitytobuilduparoundyou.

•Alwayscarefullyhandlethepartsandothercomputercomponents.HandlePCIcards,memorymodules,

systemboards,andmicroprocessorsbytheedges.Nevertouchexposedcircuitry.

•Preventothersfromtouchingthepartsandothercomputercomponents.

•Beforeyoureplaceanewpart,touchthestatic-protectivepackagecontainingthenewparttoametal

expansion-slotcoverorotherunpaintedmetalsurfaceonthecomputerforatleasttwoseconds.This

reducesstaticelectricityfromthepackageandyourbody.

•Removethenewpartfromthestatic-protectivepackageanddirectlyinstallitinthecomputerwithout

placingitonanyothersurface.Ifitishardforyoutodothisinyourspeciﬁcsituation,placethe

static-protectivepackageofthenewpartonasmooth,levelsurface,andthenplacethenewparton

thestatic-protectivepackage.

•Donotplacethepartonthecomputercoverorothermetalsurface.

Installingorreplacinghardware

Thissectionprovidesinstructionsonhowtoinstallorreplacehardwareforyourcomputer.Youcanexpand

thecapabilitiesofyourcomputerandmaintainyourcomputerbyinstallingorreplacinghardware.

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important

safetyinformation”onpage1.

Notes:

1.UseonlycomputerpartsprovidedbyLenovo.

2.Wheninstallingorreplacinganoption,usetheappropriateinstructionsinthissectionalongwiththe

instructionsthatcomewiththeoption.

Installingexternaloptions

Youcanconnectexternaloptionstoyourcomputer,suchasexternalspeakers,aprinter,orascanner.For

someexternaloptions,youmustinstalladditionalsoftwareinadditiontomakingthephysicalconnection.

Wheninstallinganexternaloption,see“Locatingconnectors,controls,andindicatorsonthefrontofyour

computer”onpage74and“Locatingconnectorsontherearofyourcomputer”onpage75toidentifythe

requiredconnector.Then,usetheinstructionsthatcomewiththeoptiontohelpyoumaketheconnection

andinstallanysoftwareordevicedriversthatarerequiredfortheoption.

Removingthecomputercover

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important

safetyinformation”onpage1.

Thissectionprovidesinstructionsonhowtoremovethecomputercover.

CAUTION:

Beforeyouopenthecomputercover,turnoffthecomputerandwaitseveralminutesuntilthe

computeriscool.

Toremovethecomputercover,dothefollowing:

1.Removeanymediafromthedrivesandturnoffallattacheddevicesandthecomputer.

2.Disconnectallpowercordsfromelectricaloutlets.

3.Disconnectthepowercords,Input/Outputcables,andanyothercablesthatareconnectedtothe

computer.See“Locatingconnectors,controls,andindicatorsonthefrontofyourcomputer”onpage

74and“Locatingconnectorsontherearofyourcomputer”onpage75.

4.Removeanylockingdevicethatsecuresthecomputercover,suchasapadlockoraKensington-style

cablelock.

5.Removethetwoscrewsthatsecurethecomputercoverandslidethecomputercovertotherearto

removeit.

Figure60.Removingthecomputercover

Removingandreinstallingthefrontbezel

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important

safetyinformation”onpage1.

Thissectionprovidesinstructionsonhowtoremoveandreinstallthefrontbezel.

124ThinkCentreE73HardwareMaintenanceManual

Toremoveandreinstallthefrontbezel,dothefollowing:

1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage124.

3.Removethefrontbezelbyreleasingthethreeplastictabsonthetopofthefrontbezelandpivoting

thefrontbezeloutwardtoremoveitfromthecomputer.Carefullylaythefrontbezelasidewithout

disconnectingthepowerswitchandlight-emittingdiode(LED)assemblycable.

Figure61.Removingthefrontbezel

4.Toreinstallthefrontbezel,aligntheotherthreeplastictabsonthebottomofthefrontbezelwiththe

correspondingholesinthechassis,thenpivotthefrontbezelinwarduntilitsnapsintoposition.

Figure62.Reinstallingthefrontbezel

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage171.

Chapter10.ReplacingFRUs(machinetypes:10AU,10AW,10BF,and10BG)125

Accessingthesystemboardcomponentsanddrives

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important

safetyinformation”onpage1.

Thissectionprovidesinstructionsonhowtoaccessthesystemboardcomponentsanddrives.

Toaccessthesystemboardcomponentsanddrives,dothefollowing:

1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage124.

3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage124.

4.Pivotthedrivebayassemblyupwardtoaccessalltheinternaldrives,cables,andothercomponents.

Figure63.Pivotingthedrivebayassemblyupward

126ThinkCentreE73HardwareMaintenanceManual

5.Tolowerthedrivebayassembly,pressthedrivebayassemblyclip1inwardandpivotthedrivebay

assemblydownwardasshown.

Figure64.Loweringthedrivebayassembly

InstallingorreplacingaPCIExpresscard

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important

safetyinformation”onpage1.

ThissectionprovidesinstructionsonhowtoinstallorreplaceaPCIcard.YourcomputerhastwoPCI

Expressx1cardslotsandonePCIExpressx16graphicscardslot.

ToinstallorreplaceaPCIExpresscard,dothefollowing:

1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage124.

3.DependingonwhetheryouareinstallingorreplacingaPCIExpresscard,dooneofthefollowing:

•IfyouareinstallingaPCIExpresscard,removethescrewthatsecurestheappropriatemetalslot

cover.Then,removethemetalslotcover.

Chapter10.ReplacingFRUs(machinetypes:10AU,10AW,10BF,and10BG)127

•IfyouarereplacinganoldPCIExpresscard,removethescrewthatsecurestheoldPCIExpress

card,grasptheoldcardthatiscurrentlyinstalled,andgentlypullitoutoftheslot.

Figure65.RemovingaPCIExpresscard

Notes:

a.Thecardﬁtstightlyintothecardslot.Ifnecessary,alternatemovingeachsideofthecardasmall

amountuntilitisremovedfromthecardslot.

b.Ifthecardisheldinplacebyaretaininglatch,pressthecardretaininglatch1asshownto

disengagethelatch.Graspthecardandgentlypullitoutoftheslot.

4.RemovethenewPCIExpresscardfromitsstatic-protectivepackage.

5.InstallthenewPCIExpresscardintotheappropriateslotonthesystemboard.See“Locatingpartson

thesystemboard”onpage79.

Note:IfyouareinstallingaPCIExpressx16graphicscard,ensurethatthememoryslotretainingclips

areclosedbeforeyouinstallthegraphicscard.

6.InstallthescrewtosecurethenewPCIExpresscardinplace.

128ThinkCentreE73HardwareMaintenanceManual

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage171.

Installingorreplacingamemorymodule

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important

safetyinformation”onpage1.

Thissectionprovidesinstructionsonhowtoinstallorreplaceamemorymodule.

YourcomputerhastwoslotsforinstallingorreplacingDDR3UDIMMsthatprovideuptoamaximumof8

GBsystemmemory.Wheninstallingorreplacingamemorymodule,use1GB,2GB,or4GBDDR3

UDIMMsinanycombinationuptoamaximumof8GB.

Toinstallorreplaceamemorymodule,dothefollowing:

1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage124.

3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage124.

4.Pivotthedrivebayassemblyupwardtogainaccesstothememoryslots.See“Accessingthesystem

boardcomponentsanddrives”onpage126.

5.Removetheheatsinkfanduct.See“Replacingtheheatsinkandfanassembly”onpage148.

6.Locatethememoryslots.See“Locatingpartsonthesystemboard”onpage79.

7.Removeanypartsthatmightpreventyouraccesstothememoryslots.Dependingonyourcomputer

model,youmightneedtoremovethePCIExpressx16graphicscardforeasieraccesstothememory

slots.See“InstallingorreplacingaPCIExpresscard”onpage127.

8.Dependingonwhetheryouareinstallingorreplacingamemorymodule,dooneofthefollowing:

•Ifyouarereplacinganoldmemorymodule,opentheretainingclipsandgentlypullthememory

moduleoutofthememoryslot.

Figure66.Removingamemorymodule

Chapter10.ReplacingFRUs(machinetypes:10AU,10AW,10BF,and10BG)129

•Ifyouareinstallingamemorymodule,opentheretainingclipsofthememoryslotintowhichyou

wanttoinstallthememorymodule.

Figure67.Openingtheretainingclips

9.Positionthenewmemorymoduleoverthememoryslot.Makesurethatthenotch1onthememory

modulealignscorrectlywiththeslotkey2onthesystemboard.Pushthememorymodulestraight

downintotheslotuntiltheretainingclipsclose.

Figure68.Installingamemorymodule

10.ReinstallthePCIExpressx16graphicscardifyouhaveremovedit.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage171.

Replacingthebattery

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important

safetyinformation”onpage1.

Yourcomputerhasaspecialtypeofmemorythatmaintainsthedate,time,andsettingsforbuilt-infeatures,

suchasparallel-portassignments(conﬁguration).Abatterykeepsthisinformationactivewhenyouturn

offthecomputer.

130ThinkCentreE73HardwareMaintenanceManual

Thebatterynormallyrequiresnochargingormaintenancethroughoutitslife;however,nobatterylasts

forever.Ifthebatteryfails,thedate,time,andconﬁgurationinformation(includingpasswords)arelost.An

errormessageisdisplayedwhenyouturnonthecomputer.

Refertothe“Lithiumbatterynotice”intheThinkCentreSafetyandWarrantyGuideforinformationabout

replacinganddisposingofthebattery.Toreplacethebattery,dothefollowing:

1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage124.

3.Removetheheatsinkfanduct.See“Replacingtheheatsinkandfanassembly”onpage148.

4.Dependingonyourcomputermodel,youmightneedtoremovethePCIExpressx16graphicscardfor

easieraccesstothebattery.See“InstallingorreplacingaPCIExpresscard”onpage127.

5.Removetheoldbattery.

Figure69.Removingtheoldbattery

6.Installanewbattery.

Figure70.Installinganewbattery

7.ReinstallthePCIExpressx16graphicscardifyouhadremovedit.See“InstallingorreplacingaPCI

Expresscard”onpage127.

8.Reinstalltheheatsinkfanduct.See“Replacingtheheatsinkandfanassembly”onpage148.

9.Reinstallthecomputercoverandconnectthecables.See“Completingthepartsreplacement”on

page171.

Note:Whenthecomputeristurnedonfortheﬁrsttimeafterreplacingthebattery,anerrormessage

mightbedisplayed.Thisisnormalafterreplacingthebattery.

10.Turnonthecomputerandallattacheddevices.

11.UsetheSetupUtilityprogramtosetthedate,time,andanypasswords.SeeChapter6“UsingtheSetup

Utilityprogram”onpage55.

Replacingtheharddiskdrive

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important

safetyinformation”onpage1.

Chapter10.ReplacingFRUs(machinetypes:10AU,10AW,10BF,and10BG)131

Thissectionprovidesinstructionsonhowtoreplacetheharddiskdrive.

Toreplacetheharddiskdrive,dothefollowing:

1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage124.

3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage124.

4.Notethelocationofthefourscrews1thatsecuretheharddiskdrive.Then,pivotthedrivebay

assemblyupward.

Figure71.Pivotingthedrivebayassembly

5.Holdtheharddiskdriveandremovethefourscrewsthatsecuretheharddiskdrive.Then,remove

theharddiskdrivefromthedrivebayassembly.

Figure72.Removingtheharddiskdrive

132ThinkCentreE73HardwareMaintenanceManual

6.Disconnectthesignalcableandthepowercablefromtheharddiskdrivetocompletelyremovethehard

diskdrivefromthechassis.

7.Connectoneendofthesignalcabletotherearofthenewharddiskdriveandtheotherendtoan

availableSATAconnectoronthesystemboard.See“Locatingpartsonthesystemboard”onpage79.

Then,locateanavailableﬁve-wirepowerconnectorandconnectittotherearofthenewharddiskdrive.

Figure73.ConnectingaSATAharddiskdrive

8.Positionthenewharddiskdriveintotheharddiskdrivebayandalignthescrewholesinthenewhard

diskdrivewiththecorrespondingholesinthedrivebay.Then,installthefourscrewstosecurethe

newharddiskdriveinplace.

Figure74.Installingtheharddiskdrive

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage171.

Replacingtheopticaldrive

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important

safetyinformation”onpage1.

Chapter10.ReplacingFRUs(machinetypes:10AU,10AW,10BF,and10BG)133

Thissectionprovidesinstructionsonhowtoinstallorreplacetheopticaldrive.

Note:Theopticaldriveisonlyavailableinsomemodels.

Toreplaceanopticaldrive,dothefollowing:

1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage124.

3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage124.

4.Pivotthedrivebayassemblyupward.See“Accessingthesystemboardcomponentsanddrives”on

page126

5.Disconnectthesignalcableandthepowercablefromtheopticaldrive.

6.Holdtheopticaldriveandremovethetwoscrewsthatsecuretheopticaldrive.

Figure75.Removingtheopticaldrive

134ThinkCentreE73HardwareMaintenanceManual

7.Pressthedrivebayassemblyclip1inwardandpivotthedrivebayassemblydownwardasshown.

Figure76.Loweringthedrivebayassembly

8.Slidetheopticaldriveoutofthefrontofthecomputer.

Figure77.Removingtheopticaldrive

Chapter10.ReplacingFRUs(machinetypes:10AU,10AW,10BF,and10BG)135

9.Slidethenewopticaldriveintotheopticaldrivebayfromthefrontofthecomputer.

Figure78.Installinganewopticaldrive

10.Holdthenewopticaldriveandpivotthedrivebayassemblyupward.Alignthescrewholesinthenew

opticaldrivewiththecorrespondingholesinthedrivebay.Then,installthetwoscrewstosecure

thenewopticaldriveinplace.

Figure79.Installingtheopticaldrive

136ThinkCentreE73HardwareMaintenanceManual

11.Connectoneendofthesignalcabletotherearofthenewopticaldriveandtheotherendtoanavailable

SATAconnectoronthesystemboard.See“Locatingpartsonthesystemboard”onpage79.Then,

locateanavailableﬁve-wirepowerconnectorandconnectittotherearofthenewopticaldrive.

Figure80.Connectingtheopticaldrive

12.Lowerthedrivebayassembly.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage171.

Replacingtheslimcardreader

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important

safetyinformation”onpage1.

Thissectionprovidesinstructionsonhowtoreplacetheslimcardreader.

Note:Theslimcardreaderisonlyavailableinsomemodels.

Toreplacetheslimcardreader,dothefollowing:

1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect

allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.

2.Removethecomputercover.See“Removingthecomputercover”onpage124.

3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage124.

4.Recordthecableroutingoftheinstalledslimcardreaderanddisconnectthecableoftheslimcard

readerfromthesystemboard.

5.Removethescrewthatsecurestheslimcardreaderbracketandthenremovethebracketfromthe

chassis.

Chapter10.ReplacingFRUs(machinetypes:10AU,10AW,10BF,and10BG)137

Figure81.Removingtheslimcardreaderbracket

6.Removethetwoscrewsthatsecurethecardreadertothebracket.Then,slidethecardreaderas

showntoremoveitfromthebracket.

Note:Touchonlytheedgesofthecardreader.Donottouchthecircuitboardofit.

Figure82.Removingtheslimcardreaderfromthebracket

7.Takethenewcardreaderoutofthestatic-protectivepackagebyitssides.

8.Alignthenewcardreaderintheslimcardreaderbracketandslidethecardreaderintotherailasshown

untilitstops.Then,installthetwoscrewstosecurethenewcardreadertothebracket.

138ThinkCentreE73HardwareMaintenanceManual

Figure83.Installingthenewslimcardreaderintothebracket

9.Routethecableofthenewcardreaderthroughthecorrespondingholeforthecardreaderbracketin

thefrontofthechassis.

10.Installthebracketintothechassissothattheholeinthebracketisalignedwiththecorrespondinghole

inthechassis.Then,Installthescrewtosecurethecardreaderbrackettothechassis.

Figure84.Installingtheslimcardreaderbracket

11.Connectthecableofthenewslimcardreadertothesystemboard.See“Locatingpartsonthe

systemboard”onpage79.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage171.

Replacingthesolid-statedrive

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important

safetyinformation”onpage1.

Chapter10.ReplacingFRUs(machinetypes:10AU,10AW,10BF,and10BG)139

Thissectionprovidesinstructionsonhowtoreplacethesolid-statedrive.

Thesolid-statedriveisonlyavailableinsomemodels.Itmightbeinstalledintheharddiskdrivebayor

onthebottomoftheopticaldrivebay.

•Toreplacethesolid-statedriveintheharddiskdrivebay,see“Replacingthesolid-statedriveinthehard

diskdrivebay”onpage140.

•Toreplacethesolid-statedriveonthebottomoftheopticaldrivebay,see“Replacingthesolid-statedrive

onthebottomoftheopticaldrivebay”onpage141.

Replacingthesolid-statedriveintheharddiskdrivebay

Toreplacethestorageconverterwiththesolid-statedriveinstalledinit,youmightfollowthestepsof

replacingtheharddiskdrive.See“Replacingtheharddiskdrive”onpage131.

Toreplacethesolid-statedriveinthestorageconverter,dothefollowing:

1.Removethefourscrewsthatsecurethesolid-statedrivetothestorageconverter.Then,removethe

drivefromtheconverterasshown.

Figure85.Removingthesolid-statedrivefromthestorageconverter

2.Takethenewsolid-statedriveoutofthestatic-protectivepackage.

140ThinkCentreE73HardwareMaintenanceManual

3.Positionthesolid-statedriveintothestorageconvertersothattheholesinthedrivearealignedwith

thecorrespondingholesintheconverter.Then,installthefourscrewstosecurethesolid-statedrive

totheconverter.

Figure86.Installingthesolid-statedriveintothestorageconverter

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage171.

Replacingthesolid-statedriveonthebottomoftheopticaldrivebay

Toreplacethesolid-statedriveonthebottomoftheopticaldrivebay,dothefollowing:

1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect

allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.

2.Removethecomputercover.See“Removingthecomputercover”onpage124.

3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage124.

4.Pivotthedrivebayassemblyupward.See“Accessingthesystemboardcomponentsanddrives”on

page126

5.Notethecableroutinganddisconnectthesignalcableandthepowercablefromthesolid-statedrive.

See“Locatingpartsonthesystemboard”onpage79.

Chapter10.ReplacingFRUs(machinetypes:10AU,10AW,10BF,and10BG)141

6.Removethescrew1andthencarefullyslidethesolid-statedrivebracketupwardtoremovethebracket

fromthebottomoftheopticaldrivebay.

Figure87.Removingthesolid-statedrivebracket

7.Removethefourscrewsthatsecurethesolid-statedrivetothebracket.Then,slidethedriveasshown

toremoveitfromthebracket.

Figure88.Removingthesolid-statedrivefromthebracket

8.Takethenewsolid-statedriveoutofthestatic-protectivepackage.

142ThinkCentreE73HardwareMaintenanceManual

9.Slidethenewsolid-statedriveintothesolid-statedrivebracketasshownuntilthefourholesinthe

drivearealignedwiththecorrespondingholesinthebracket.Then,installthefourscrewstosecurethe

newsolid-statedrivetothebracket.

Figure89.Installingthesolid-statedriveintothebracket

10.Carefullyslidethesolid-statedrivebracketdownwarduntilitissecuredbythethreeretainingclips1on

thebottomoftheopticaldrivebay.

Figure90.Installingthesolid-statedrivebracket

Chapter10.ReplacingFRUs(machinetypes:10AU,10AW,10BF,and10BG)143

11.Installthescrew1tosecurethebracketonthebottomoftheopticaldrivebay.

Figure91.Installingthescrewtosecurethebracketonthebottomoftheopticaldrivebay

12.Connectoneendofthesignalcabletothebottomofthenewsolid-statedriveandtheotherendto

anavailableSATAconnectoronthesystemboard.See“Locatingpartsonthesystemboard”on

page79.Then,locateanavailablefour-wirepowerconnectorandconnectittothebottomofthe

newsolid-statedrive.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage171.

Replacingthepowersupplyassembly

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important

safetyinformation”onpage1.

Thissectionprovidesinstructionsonhowtoreplacethepowersupplyassembly.

Althoughtherearenomovingpartsinyourcomputerafterthepowercordhasbeendisconnected,the

followingwarningsarerequiredforyoursafetyandproperUnderwritersLaboratories(UL)certiﬁcation.

CAUTION:

144ThinkCentreE73HardwareMaintenanceManual

Hazardousmovingparts.Keepﬁngersandotherbodypartsaway.

CAUTION:

Neverremovethecoveronapowersupplyoranypartthathasthefollowinglabelattached.

Hazardousvoltage,current,andenergylevelsarepresentinsideanycomponentthathasthislabel

attached.Therearenoserviceablepartsinsidethesecomponents.Ifyoususpectaproblemwith

oneoftheseparts,contactaservicetechnician.

Toreplacethepowersupplyassembly,dothefollowing:

1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage124.

3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage124.

4.Pivotthedrivebayassemblyupward.Then,pivotthetwoplasticretainingclipsoutwardtoremove

theheatsinkfanductfromthefailingheatsinkandfanassembly.

Figure92.Removingtheheatsinkfanduct

5.Disconnectthepowersupplyassemblycablesfromalldrivesandfromthe24-pinpowerconnectorand

4-pinpowerconnectoronthesystemboard.See“Locatingpartsonthesystemboard”onpage79.

Chapter10.ReplacingFRUs(machinetypes:10AU,10AW,10BF,and10BG)145

Note:Youmightalsoneedtoreleasethepowersupplyassemblycablesfromsomecableclipsorties

thatsecurethecablestothechassis.Makesurethatyounotethecableroutingbeforedisconnecting

thecables.

6.Attherearofthecomputer,removethethreescrewsthatsecurethepowersupplyassembly.Pressthe

powersupplyclip1downwardtoreleasethepowersupplyassemblyandthenslidethepowersupply

assemblytothefrontofthecomputer.Liftthepowersupplyassemblyoutofthecomputer.

Figure93.Removingthepowersupplyassembly

7.Ensurethatthenewpowersupplyassemblyisthecorrectreplacement.

146ThinkCentreE73HardwareMaintenanceManual

8.Installthenewpowersupplyassemblyintothechassissothatthescrewholesinthenewpowersupply

assemblyarealignedwiththecorrespondingholesintherearofthechassis.Then,installthethree

screwstosecurethenewpowersupplyassemblyinplace.

Note:UseonlyscrewsprovidedbyLenovo.

Figure94.Installingthepowersupplyassembly

9.Connectthenewpowersupplyassemblycablestoalldrivesandthesystemboard.See“Locating

partsonthesystemboard”onpage79.

Chapter10.ReplacingFRUs(machinetypes:10AU,10AW,10BF,and10BG)147

10.Lowerandpositiontheheatsinkfanductonthetopoftheheatsinkandfanassemblyuntilitsnaps

intoposition.

Figure95.Installingtheheatsinkfanduct

11.Securethepowersupplyassemblycableswiththecableclipsandtiesinthechassis.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage171.

Replacingtheheatsinkandfanassembly

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important

safetyinformation”onpage1.

Thissectionprovidesinstructionsonhowtoreplacetheheatsinkandfanassembly.

CAUTION:

Theheatsinkandfanassemblymightbeveryhot.Beforeyouopenthecomputercover,turnoffthe

computerandwaitseveralminutesuntilthecomputeriscool.

Toreplacetheheatsinkandfanassembly,dothefollowing:

1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage124.

3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage124.

148ThinkCentreE73HardwareMaintenanceManual

4.Pivotthedrivebayassemblyupward.Then,pivotthetwoplasticretainingclipsoutwardtoremove

theheatsinkfanductfromthefailingheatsinkandfanassembly.

Figure96.Removingtheheatsinkfanduct

5.Disconnecttheheatsinkandfanassemblycablefromthemicroprocessorfanconnectoronthesystem

board.See“Locatingpartsonthesystemboard”onpage79.

Chapter10.ReplacingFRUs(machinetypes:10AU,10AW,10BF,and10BG)149

6.Followthissequencetoremovethefourscrewsthatsecuretheheatsinkandfanassemblytothe

systemboard:

a.Partiallyremovescrew1,thenfullyremovescrew2,andthenfullyremovescrew1.

b.Partiallyremovescrew3,thenfullyremovescrew4,andthenfullyremovescrew3.

Note:Carefullyremovethefourscrewsfromthesystemboardtoavoidanypossibledamagetothe

systemboard.Thefourscrewscannotberemovedfromtheheatsinkandfanassembly.

Figure97.Removingtheheatsinkandfanassembly

7.Liftthefailingheatsinkandfanassemblyoffthesystemboard.

Notes:

a.Youmighthavetogentlytwisttheheatsinkandfanassemblytofreeitfromthemicroprocessor.

b.Whenhandlingtheheatsinkandfanassembly,donottouchthethermalgreaseonthebottom

oftheheatsinkandfanassembly.

8.Placethenewheatsinkandfanassemblyonthesystemboardsothatthefourscrewsarealignedwith

thecorrespondingholesinthesystemboard.

Note:Positionthenewheatsinkandfanassemblysothattheheatsinkandfanassemblycableis

towardthemicroprocessorfanconnectoronthesystemboard.

9.Followthefollowingsequencetoinstallthefourscrewstosecurethenewheatsinkandfanassembly.

Donotover-tightenthescrews.

a.Partiallytightenscrew1,thenfullytightenscrew2,andthenfullytightenscrew1.

b.Partiallytightenscrew3,thenfullytightenscrew4,andthenfullytightenscrew3.

10.Connectthenewheatsinkandfanassemblycabletothemicroprocessorfanconnectoronthesystem

board.See“Locatingpartsonthesystemboard”onpage79.

150ThinkCentreE73HardwareMaintenanceManual

11.Lowerandpositiontheheatsinkfanductonthetopoftheheatsinkandfanassemblyuntilitsnaps

intoposition.

Figure98.Installingtheheatsinkfanduct

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage171.

Replacingthethermalsensor

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe

“Importantsafetyinformation”onpage1.

Thissectionprovidesinstructionsonhowtoreplacethethermalsensor.

Toreplacethethermalsensor,dothefollowing:

1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect

allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.

2.Removethecomputercover.See“Removingthecomputercover”onpage124.

3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage124.

4.Locatethethermalsensor.See“LocatingmajorFRUsandCRUs”onpage76.

5.Pivotthedrivebayassemblyupward.See“Accessingthesystemboardcomponentsanddrives”on

page126.

6.Disconnectthethermalsensorcablefromthethermalsensorconnectoronthesystemboard.

Chapter10.ReplacingFRUs(machinetypes:10AU,10AW,10BF,and10BG)151

7.Ontheinnersideofthefrontpanel,presstheleftretainingclip1thatsecurestheplasticholderofthe

thermalsensorasshownandthenpushtheclipoutoftheoutersideofthefrontpanel.Then,disengage

theplasticholderholdingthethermalsensorfromthechassis.

Figure99.Removingthethermalsensor

8.Pulltheentirethermalsensoroutofthechassis.

152ThinkCentreE73HardwareMaintenanceManual

9.Inserttheconnectorandcableofthenewthermalsensorintothehole1inthechassis.Then,alignthe

twotabsontheplasticholderholdingthethermalsensorwiththetwoholes1and2inthechassis,

andpushtheplasticholderuntilitsnapsintoposition.

Figure100.Installingthethermalsensor

10.Connectthecableofthenewthermalsensortothethermalsensorconnectoronthesystemboard.See

“Locatingpartsonthesystemboard”onpage79.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage171.

Replacingthemicroprocessor

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important

safetyinformation”onpage1.

Thissectionprovidesinstructionsonhowtoreplacethemicroprocessor.

CAUTION:

Theheatsinkandmicroprocessormightbeveryhot.Beforeyouopenthecomputercover,turnoff

thecomputerandwaitseveralminutesuntilthecomputeriscool.

Toreplacethemicroprocessor,dothefollowing:

1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage124.

3.Removetheheatsinkandfanassembly.See“Replacingtheheatsinkandfanassembly”onpage148.

Chapter10.ReplacingFRUs(machinetypes:10AU,10AW,10BF,and10BG)153

Note:Placetheheatsinkandfanassemblyonitssidesothatthethermalgreaseonthebottomofit

doesnotgetincontactwithanything.

4.Locatethesystemboardanddisconnectallcablesconnectedtothesystemboard.See“Locating

partsonthesystemboard”onpage79.

5.Liftthesmallhandle1andopentheretainer2toaccessthemicroprocessor3.

Figure101.Accessingthemicroprocessor

6.Liftthemicroprocessorstraightupandoutofthemicroprocessorsocket.

Figure102.Removingthemicroprocessor

Notes:

a.Yourmicroprocessorandsocketmightlookdifferentfromtheoneillustrated.

154ThinkCentreE73HardwareMaintenanceManual

b.Notetheorientationofthemicroprocessorinthesocket.Youcaneitherlookforthesmalltriangle1

ononecornerofthemicroprocessorornotetheorientationofthenotches2onthemicroprocessor.

Thisisimportantwheninstallingthenewmicroprocessoronthesystemboard.

c.Touchonlytheedgesofthemicroprocessor.Donottouchthegoldcontactsonthebottom.

d.Donotdropanythingontothemicroprocessorsocketwhileitisexposed.Thesocketpinsmustbe

keptascleanaspossible.

7.Ensurethatthesmallhandleisintheraisedpositionandthemicroprocessorretainerisfullyopen.

8.Removetheprotectivecoverthatprotectsthegoldcontactsofthenewmicroprocessor.

9.Holdthenewmicroprocessorbyitssidesandalignthesmalltriangleononecornerofthenew

microprocessorwiththecorrespondingsmalltriangleononecornerofthemicroprocessorsocket.

10.Lowerthenewmicroprocessorstraightdownintothemicroprocessorsocketonthesystemboard.

Figure103.Installingthemicroprocessor

11.Closethemicroprocessorretainerandlockitintopositionwiththesmallhandletosecurethenew

microprocessorinthesocket.

12.Reinstalltheheatsinkandfanassembly.See“Replacingtheheatsinkandfanassembly”onpage148.

13.Reconnectallcablesthatweredisconnectedfromthesystemboard.

Chapter10.ReplacingFRUs(machinetypes:10AU,10AW,10BF,and10BG)155

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletethereplacement,goto“Completingthepartsreplacement”onpage171.

Replacingthesystemboard

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important

safetyinformation”onpage1.

Thissectionprovidesinstructionsonhowtoreplacethesystemboard.

CAUTION:

Theheatsinkandmicroprocessormightbeveryhot.Beforeyouopenthecomputercover,turnoff

thecomputerandwaitseveralminutesuntilthecomputeriscool.

Toreplacethesystemboard,dothefollowing:

1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect

allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.

2.Laythecomputeronitssideforeasieraccesstothesystemboard.

3.Removethecomputercover.See“Removingthecomputercover”onpage124.

4.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage124.

5.Pivottheopticaldrivebayassemblyupwardtogainaccesstothesystemboard.See“Accessingthe

systemboardcomponentsanddrives”onpage126.

6.RemoveallmemorymodulesandPCIExpresscardsthatarecurrentlyinstalled.See“Installingor

replacingamemorymodule”onpage129and“InstallingorreplacingaPCIExpresscard”onpage127.

7.Removetheheatsinkandfanassemblyfromthefailingsystemboard.See“Replacingtheheatsinkand

fanassembly”onpage148.

Note:Donotletthethermalgreaseonthebottomoftheheatsinkandfanassemblygetincontact

withanything.

8.Recordthecableroutingandcableconnectionsandthendisconnectallcablesfromthesystemboard.

See“Locatingpartsonthesystemboard”onpage79.

156ThinkCentreE73HardwareMaintenanceManual

9.Removetheeightscrewsthatsecurethesystemboard.

Figure104.Removingthescrewsthatsecurethesystemboard

10.Slidethesystemboardtothefrontofthecomputerandthencarefullyliftthesystemboardoutofthe

chassis.Placethefailingsystemboardonaﬂat,clean,andstatic-protectivesurface.

11.Removethemicroprocessorfromthefailingsystemboardandinstallitonthenewsystemboard.See

“Replacingthemicroprocessor”onpage153.

12.Installthenewsystemboardintothechassisbyaligningtheeightscrewholesinthenewsystem

boardwiththecorrespondingmountingstudsonthechassis.Then,installtheeightscrewstosecure

thesystemboard.

13.Installtheheatsinkandfanassemblyandconnecttheheat-sink-and-fan-assemblycabletothenew

systemboard.See“Replacingtheheatsinkandfanassembly”onpage148.

Note:Ifnecessary,applytheappropriateamountofthermalgreaseonthebottomoftheheatsink

andfanassembly.

14.InstallallmemorymodulesandPCIExpresscardsremovedfromthefailingsystemboardontothenew

systemboard.See“Installingorreplacingamemorymodule”onpage129and“Installingorreplacinga

PCIExpresscard”onpage127.

15.Refertoyourrecordtoconnectcablestothenewsystemboard.Youalsocanreferto“Locating

partsonthesystemboard”onpage79tohelpyoulocatetheconnectorsonthesystemboardand

connectcables.

16.Tocompletethereplacement,goto“Completingthepartsreplacement”onpage171.

Thefailingsystemboardmustbereturnedwithamicroprocessorsocketcovertoprotectthepinsduring

shippingandhandling.

Chapter10.ReplacingFRUs(machinetypes:10AU,10AW,10BF,and10BG)157

Toinstallthemicroprocessorsocketcover,dothefollowing:

1.Afteryouhaveremovedthemicroprocessorfromthefailingsystemboard,closethemicroprocessor

retainerandthenputthelevertothelockedpositiontosecuretheretainerinplace.

2.Notetheorientationofthesocketcover,andinstallonesideofthesocketcoverontothemicroprocessor

socket.Carefullypresstheothersideofthesocketcoverdownwarduntilthesocketcoversnaps

intoposition.

Note:Yourmicroprocessorsocketandcovermightlookslightlydifferentfromtheillustration.

Figure105.Installingthesocketcoverontothemicroprocessorsocket

3.Carefullycheckthefourcornersofthesocketcovertoensurethatthecoverisseatedsecurely.

4.Followanyadditionalinstructionsincludedwiththereplacementpartyoureceived.

Replacingthesystemfanassembly

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important

safetyinformation”onpage1.

Thissectionprovidesinstructionsonhowtoreplacethesystemfanassembly.

Toreplacethesystemfanassembly,dothefollowing:

1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage124.

3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage124.

4.Pivotthedrivebayassemblyupwardtogainaccesstothesystemfanassembly.See“Accessingthe

systemboardcomponentsanddrives”onpage126.

5.Removetheharddiskdriveforeasieraccesstothesystemfanassembly.See“Replacingthehard

diskdrive”onpage131.

6.Removetheheatsinkfanduct.See“Replacingtheheatsinkandfanassembly”onpage148.

7.Recordthecableroutinganddisconnectthesystemfanassemblycablefromthepowerfanconnector

onthesystemboard.See“Locatingpartsonthesystemboard”onpage79.

8.Thesystemfanassemblyisattachedtothechassisbyfourrubbermounts.Removethesystemfan

assemblybycuttingthefourrubbermounts1andliftingthesystemfanassemblyoutofthechassis.

Note:Thenewsystemfanassemblywillhavefournewrubbermountsattached.

158ThinkCentreE73HardwareMaintenanceManual

Figure106.Removingthesystemfanassembly

Chapter10.ReplacingFRUs(machinetypes:10AU,10AW,10BF,and10BG)159

9.Installthenewsystemfanassemblybyaligningthenewrubbermountsthatcamewiththenewsystem

fanassemblywiththecorrespondingholesinthechassis,andthenpushtherubbermountsthroughthe

holes.Then,carefullypullonthetipsoftherubbermountsfromthebottomuntilthenewsystemfan

assemblyissecuredinplace.

Figure107.Installingthesystemfanassembly

10.Connectthenewsystemfanassemblycabletothesystemfanconnectoronthesystemboard.See

“Locatingpartsonthesystemboard”onpage79.

11.Reinstalltheheatsinkfanduct.See“Replacingtheheatsinkandfanassembly”onpage148.

12.Reinstalltheharddiskdrive.See“Replacingtheharddiskdrive”onpage131.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage171.

ReplacingthefrontaudioandUSBassembly

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important

safetyinformation”onpage1.

ThissectionprovidesinstructionsonhowtoreplacethefrontaudioandUSBassembly.

ToreplacethefrontaudioandUSBassembly,dothefollowing:

1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage124.

3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage124.

160ThinkCentreE73HardwareMaintenanceManual

4.Pivotthedrivebayassemblyupward.See“Accessingthesystemboardcomponentsanddrives”on

page126.

5.DisconnectthefrontaudioandUSBassemblycablesfromthesystemboard.See“Locatingpartson

thesystemboard”onpage79.

Note:Ensureyounotethelocationsofthecableswhenyoudisconnectthecablesfromthesystem

board.

6.Lowerthedrivebayassembly.See“Accessingthesystemboardcomponentsanddrives”onpage126.

7.RemovethescrewthatsecuresthefrontaudioandUSBassemblybrackettothechassistoremove

thebracketfromthechassis.

Figure108.RemovingthefrontaudioandUSBassembly

8.InstallthefrontaudioandUSBassemblybracketintothechassisandalignthescrewholeinthe

bracketwiththecorrespondingholeinthechassis.

9.Installthescrewtosecurethebrackettothechassis.

10.PivotthedrivebayassemblyupwardandreconnectthefrontUSBandfrontaudiocablestothesystem

board.See“Locatingpartsonthesystemboard”onpage79.

11.ReconnectthefrontaudioandUSBassemblycablestothefrontaudioconnectorandthefrontUSB

connectoronthesystemboard.See“Locatingpartsonthesystemboard”onpage79.

12.Lowerthedrivebayassembly.See“Accessingthesystemboardcomponentsanddrives”onpage126.

13.Reinstallthefrontbezel.See“Removingandreinstallingthefrontbezel”onpage124.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage171.

ReplacingtheWi-Fiunits

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe

“Importantsafetyinformation”onpage1.

Chapter10.ReplacingFRUs(machinetypes:10AU,10AW,10BF,and10BG)161

ThissectionprovidesinstructionsonhowtoreplacetheWi-Fiunits.TheWi-FiunitsincludeaWi-Fiadapter

card,aWi-Ficardmodule,andarearWi-Fiantennacable.

ReplacingtheWi-Fiunitsinvolvesthefollowingoperations:

•“RemovingtheWi-Fiadaptercard”onpage162

•“RemovingtheWi-Ficardmodule”onpage163

•“InstallingtheWi-Fiunits”onpage164

RemovingtheWi-Fiadaptercard

ToremovetheWi-Fiadaptercard,dothefollowing:

1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage124.

3.IfyourcomputercomeswithaWi-FicardmodulethatsupportstheBluetoothfunction,disconnect

theBluetoothcablefromtheWi-Fiadaptercard.

Figure109.DisconnectingtheBluetoothcable

Note:TheBluetoothcableconnectstheBluetoothconnectorontheWi-FiadaptercardtothefrontUSB

connectoronthesystemboardtosupporttheBluetoothfunction.

4.RemovethescrewthatsecurestheWi-Fiadaptercard.

162ThinkCentreE73HardwareMaintenanceManual

5.GrasptheWi-Fiadaptercardthatiscurrentlyinstalledandgentlypullitoutoftheslot.

Figure110.RemovingtheWiFiadaptercard

Note:Thecardﬁtstightlyintothecardslot.Ifnecessary,alternatemovingeachsideofthecarda

smallamountuntilitisremovedfromthecardslot.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage171.

RemovingtheWi-Ficardmodule

ToremovetheWi-Ficardmodule,dothefollowing:

1.RemovetheWi-Fiadaptercardfromthecomputer,andthendisconnectthefrontandrearWi-Fiantenna

cablesfromtheWi-Ficardmodule.

Figure111.RemovingtheWi-Fiantennacables

Chapter10.ReplacingFRUs(machinetypes:10AU,10AW,10BF,and10BG)163

2.RemovethetwoscrewsthatsecuretheWi-FicardmoduletotheWi-Fiadaptercard.

Figure112.RemovingthescrewsthatsecuretheWi-Ficardmodule

3.PulltheWi-FicardmoduleoutoftheminiPCIExpressslottoremoveitfromtheWi-Fiadaptercard.

Figure113.RemovingtheWi-Ficardmodule

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage171.

InstallingtheWi-Fiunits

ToinstalltheWi-Fiunits,dothefollowing:

164ThinkCentreE73HardwareMaintenanceManual

1.InserttheWi-FicardmoduleintotheminiPCIExpressslot,andtheninstallthetwoscrewstosecure

theWi-FicardmoduletotheWi-Fiadaptercard.

Figure114.InstallingtheWi-Ficardmodule

2.ConnectthefrontantennacableandrearantennacabletotheWi-Ficardmodule.

Figure115.ConnectingtheWi-Fiantennacables

Chapter10.ReplacingFRUs(machinetypes:10AU,10AW,10BF,and10BG)165

3.LocatethetwoPCIExpressx1slotsonthesystemboard.See“Locatingpartsonthesystemboard”

onpage79.

4.InstalltheWi-FiadaptercardintooneofthetwoPCIExpressx1slots.Theninstallthescrewtosecure

theWi-Fiadaptercardinplace.

Figure116.InstallingtheWi-Fiadaptercard

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage171.

InstallingorremovingtherearWi-Fiantenna

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe

“Importantsafetyinformation”onpage1.

ThissectionprovidesinstructionsonhowtoinstallorremovetherearWi-Fiantenna.

InstallingtherearWi-Fiantenna

ToinstalltherearWi-Fiantenna,dothefollowing:

1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.InstalltherearWi-FiantennatotherearWi-Fiantennacableconnectorattachedontherearofthe

computer.

166ThinkCentreE73HardwareMaintenanceManual

3.Adjusttheangleoftherearantennatolowertheriskofbreakingtheantennabyaccident.

Figure117.InstallingtherearWiFiantenna

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage171.

RemovingtherearWi-Fiantenna

ToremovetherearWi-Fiantenna,dothefollowing:

1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.StraightentherearWi-Fiantennasothatitcanbemoreeasilytwisted.

3.HoldthethickerendoftherearWiFiantennaandunscrewtheWiFiantennafromtherearofthe

computer.

Figure118.RemovingtherearWiFiantenna

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

Chapter10.ReplacingFRUs(machinetypes:10AU,10AW,10BF,and10BG)167

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage171.

InstallingorremovingthefrontWi-Fiantenna

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe

“Importantsafetyinformation”onpage1.

ThissectionprovidesinstructionsonhowtoinstallorremovethefrontWi-Fiantenna.

InstallingthefrontWiFiantenna

ToinstallthefrontWiFiantenna,dothefollowing:

1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage124.

3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage124.

4.Peeloffthepaperthatprotectsthestickersonthefrontantenna.

Figure119.Peelingoffthepaperthatprotectsthestickers

168ThinkCentreE73HardwareMaintenanceManual

5.Stickthefrontantennatothefrontpanelasshown.Theninsertthefrontantennacablethroughthe

holeinthefrontpanel.

Figure120.InstallingthefrontWiFiantenna

6.ConnectthefrontantennacabletotheWiFicardmodule.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage171.

RemovingthefrontWi-Fiantenna

ToremovethefrontWi-Fiantenna,dothefollowing:

1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage124.

3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage124.

4.DisconnectthefrontantennacablefromtheWi-Ficardmodule.

Chapter10.ReplacingFRUs(machinetypes:10AU,10AW,10BF,and10BG)169

5.Removethefrontantennaandcablefromthefrontofthecomputer.

Figure121.RemovingthefrontWiFiantenna

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage171.

Replacingthekeyboardormouse

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important

safetyinformation”onpage1.

Thissectionprovidesinstructionsonhowtoreplacethekeyboardormouse.

Toreplacethekeyboardormouse,dothefollowing:

1.Disconnecttheoldkeyboardcableormousecablefromthecomputer.

2.ConnectanewkeyboardormousetooneoftheUSBconnectorsonthecomputer.Dependingon

whereyouwanttoconnectthenewkeyboardormouse,see“Locatingconnectors,controls,and

indicatorsonthefrontofyourcomputer”onpage74or“Locatingconnectorsontherearofyour

computer”onpage75.

Figure122.ConnectingtheUSBkeyboardormouse

170ThinkCentreE73HardwareMaintenanceManual

Completingthepartsreplacement

Aftercompletingtheinstallationorreplacementforallparts,youneedtoreinstallthecomputercoverand

reconnectcables.Dependingonthepartsyouinstalledorreplaced,youmightneedtoconﬁrmtheupdated

informationintheSetupUtilityprogram.RefertoChapter6“UsingtheSetupUtilityprogram”onpage55.

Toreinstallthecomputercoverandreconnectcablestoyourcomputer,dothefollowing:

1.Ensurethatallcomponentshavebeenreassembledcorrectlyandthatnotoolsorloosescrewsareleft

insideyourcomputer.See“LocatingmajorFRUsandCRUs”onpage76forthelocationsofvarious

componentsinyourcomputer.

2.Ensurethatthecablesareroutedcorrectly.Keepcablesclearofthehingesandsidesofthecomputer

chassistoavoidinterferencewithclosingthecomputercover.

3.Lowerthedrivebayassembly.See“Accessingthesystemboardcomponentsanddrives”onpage126.

4.Ifyouhaveremovedthefrontbezel,reinstallit.See“Removingandreinstallingthefrontbezel”on

page124.

5.Positionthecomputercoveronthechassissothattherailguidesonthecomputercoverengagethe

railsonthechassis.Then,slidethecomputercovertothefrontofthecomputeruntilitsnapsinto

positionandisclosed.Then,installthetwoscrewstosecurethecomputercover.

Figure123.Reinstallingthecomputercover

6.Ifthereisapadlockavailable,lockthecomputercover.

7.IfthereisaKensington-stylecablelockavailable,lockthecomputer.

8.Reconnecttheexternalcablesandpowercordstothecomputer.See“Locatingconnectorsonthe

rearofyourcomputer”onpage75.

9.Toupdateyourconﬁguration,refertoChapter6“UsingtheSetupUtilityprogram”onpage55.

Note:Inmostareasoftheworld,LenovorequiresthereturnofthedefectiveFieldReplaceableUnits(FRUs).

InformationaboutthiswillcomewiththenewFRUsorwillcomeafewdaysafteryoureceivethenewFRUs.

Chapter10.ReplacingFRUs(machinetypes:10AU,10AW,10BF,and10BG)171

Obtainingdevicedrivers

Youcanobtaindevicedriversforoperatingsystemsthatarenotpreinstalledat

http://www.lenovo.com/support.Installationinstructionsareprovidedinreadmeﬁleswiththedevice-driver

ﬁles.

172ThinkCentreE73HardwareMaintenanceManual

Chapter11.Additionalserviceinformation

Thischapterprovidesadditionalinformationthattheservicerepresentativemightﬁndhelpful.

Securityfeatures

Securityfeaturesinthissectionincludethefollowing:

•Passwords

•VitalProductData

Hardware-controlledpasswords

UsetheSetupUtilityprogramtosetthehardwarecontrolledpasswords.Formoreinformationabout

passwords,see“Usingpasswords”onpage55.

Operatingsystempassword

Note:ThissectionappliesonlytocomputermodelsthathaveanoperatingsystempreinstalledfromLenovo.

Anoperatingsystempasswordisverysimilartoapower-onpasswordanddeniesaccesstothecomputerby

anunauthorizeduserwhenthepasswordisactivated.Thecomputerisunusableuntilthecorrectpassword

isenteredandrecognizedbythecomputer.

VitalProductData

EachcomputerhasauniqueVitalProductData(VPD)codestoredinthenonvolatilememoryonthesystem

board.Afteryoureplacethesystemboard,theVPDmustbeupdated.ToupdatetheVPD,see“Flash

updateprocedures”onpage173.

BIOSlevels

AnincorrectlevelofBIOScancausefalseerrorsandunnecessaryFRUreplacement.Usethefollowing

informationtodeterminethecurrentlevelofBIOSinstalledinthecomputer,thelatestBIOSavailableforthe

computer,andwheretoobtainthelatestlevelofBIOS.

•TodeterminethecurrentLevelofBIOS:

–StarttheSetupUtility.

–SelectStandardCMOSFeatures.

•SourcesforobtainingthelatestlevelBIOSavailable

1.Lenovosupportwebsite:http://www.lenovo.com/support/

2.LenovoCustomerSupportCenter

3.Levels1and2Support

Toupdate(ﬂash)theBIOS,see“Flashupdateprocedures”onpage173.

Note:BIOSsettingsvarybyoperatingsystem.ChangetheBIOSsettingsbeforeinstallinganewoperating

system.See“ChangingtheBIOSsettingsbeforeinstallinganewoperatingsystem”onpage59.

Flashupdateprocedures

Thissectiondetailshowtoﬂash(update)theBIOS.

UpdatingtheBIOS

Whenyouinstallanewprogram,hardwaredevice,ordevicedriver,youmightbeinformedtoupdate

theBIOS.YoucanupdatetheBIOSfromyouroperatingsystemoraﬂashupdatedisc(supportedonly

onsomemodels).

ToupdatetheBIOS,dothefollowing:

1.Gotohttp://www.lenovo.com/drivers.

2.DownloadtheﬂashBIOSupdatedriverfortheoperatingsystemversionortheISOimageversion(used

tocreateaﬂashupdatedisc).Then,downloadtheinstallationinstructionsfortheﬂashBIOSupdate

driveryoudownload.

3.PrinttheinstallationinstructionsyoudownloadandfollowtheinstructionstoupdatetheBIOS.

Updating(ﬂashing)theBIOSfromyouroperatingsystem

Note:BecauseLenovomakesconstantimprovementstoitsWebsites,theWebpagecontentsaresubject

tochangewithoutnotice,includingthecontentsreferencedinthefollowingprocedure.

Toupdate(ﬂash)theBIOSfromyouroperatingsystem,dothefollowing:

1.Gotohttp://www.lenovo.com/support.

2.ClickDownloadDrivers&Software.

3.ClickUseQuickPath.

4.Typethe4-digitmachinetypeforyourcomputerintheQuickPathﬁeldandthenclickFindMyProduct.

5.ClickBIOS.

6.LocatetheBIOSversionthatyouwanttodownload.

7.ClickClickforﬁles.Allavailableﬁleswillbedisplayed.

8.Clickthelinkforthereadmeﬁlethatcontainstheinstructionsforupdating(ﬂashing)theBIOSfrom

youroperatingsystem.

9.Printtheseinstructions.Thisisveryimportantbecausetheseinstructionswillnotbedisplayedon

thescreenafterthedownloadbegins.

10.Followtheprintedinstructionstodownload,extract,andinstalltheupdate.

RecoveringfromaPOSTandBIOSupdatefailure

IfthepowertoyourcomputerisinterruptedwhilethePOSTandBIOSisbeingupdated,yourcomputer

mightnotrestartcorrectly.Ifthishappens,performthefollowingproceduretorecoverfromthePOSTand

BIOSupdatefailure.ThisprocedureiscommonlycalledBoot-blockRecovery.

1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect

allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.

2.Removethecomputercover.Formachinetypes1577,1579,and1607,see“Removingthecomputer

cover”onpage82.Formachinetypes1578,1583,and1652,see“Removingthecomputercover”on

page124.

3.LocatetheClearCMOS/Recoveryjumperonthesystemboard.See“Locatingpartsonthesystem

board”onpage72.

4.RemoveanypartsanddisconnectanycablesthatmightpreventyouraccesstotheClearCMOS

/Recoveryjumper.

5.Movethejumperfromthestandardposition(pin1andpin2)tothemaintenanceposition(pin2and

pin3).

6.Reinstallanypartsandreconnectanycablesthathavebeenremovedordisconnected.

174ThinkCentreE73HardwareMaintenanceManual

7.Reinstallthecomputercoverandreconnectthepowercordsforthecomputerandmonitor.Formachine

types1577,1579,and1607,see“Completingthepartsreplacement”onpage121.Formachinetypes

1578,1583,and1652,see“Completingthepartsreplacement”onpage171.

8.TurnonthecomputerandtheninsertthePOSTandBIOSupdate(ﬂashupdate)discintotheoptical

drive.Waitafewminutes.Then,therecoverysessionbegins.Therecoverysessionwilltaketwoto

threeminutes.Duringthistime,awarningmessagewillbedisplayedandnoactionisneededfromyou.

9.Aftertherecoverysessioniscompleted,therewillbenovideo,andyourcomputerwillautomatically

turnoff.

10.Repeatstep1throughstep4.

11.Movethejumperbacktothestandardposition(pin1andpin2).

12.Reinstallanypartsandreconnectanycablesthathavebeenremovedordisconnected.

13.Reinstallthecomputercoverandreconnectpowercordsandallotherexternalcables.Formachine

types1577,1579,and1607,see“Completingthepartsreplacement”onpage121.Formachinetypes

1578,1583,and1652,see“Completingthepartsreplacement”onpage171.

14.Turnonthecomputertorestarttheoperatingsystem.

Powermanagement

Powermanagementreducesthepowerconsumptionofcertaincomponentsofthecomputersuchasthe

systempowersupply,processor,harddiskdrives,andsomemonitors.

Advancedconﬁgurationandpowerinterface(ACPI)BIOS

BeinganACPIBIOSsystem,theoperatingsystemisallowedtocontrolthepowermanagementfeatures

ofthecomputerandthesettingforAdvancedPowerManagement(APM)BIOSmodeisignored.Not

alloperatingsystemssupportACPIBIOSmode.

AutomaticPower-onfeatures

TheAutomaticPower-OnfeatureswithinthePowerManagementmenuallowyoutoenableanddisable

featuresthatturnonthecomputerautomatically.

•WakeUponAlarm:Youcanspecifyadateandtimeatwhichthecomputerwillbeturnedon

automatically.Thiscanbeeitherasingleeventoradailyevent.

•WakeonLAN:Ifthecomputerhasaproperlyconﬁguredtoken-ringorEthernetLANadaptercardthatis

WakeonLAN-enabledandthereisremotenetworkmanagementsoftware,youcanusetheWakeonLAN

feature.WhenyousetWakeonLANtoEnabled,thecomputerwillturnonwhenitreceivesaspeciﬁc

signalfromanothercomputeronthelocalareanetwork(LAN).

ToenabletheWakeonLANfunctionortheWakeUponAlarmfunctionontheWindows8orWindows

8.1operatingsystem,dothefollowing:

1.OpenControlPanel.

2.ClickHardwareandSound➙PowerOptions.

3.Intheleftpanel,dooneofthefollowing:

•ForWindows8:ClickChoosewhatthepowerbuttonsdo.

•ForWindows8.1:ClickChoosewhatthepowerbuttondoes.

4.IntheShutdownsettingsection,clearTurnonfaststartup.

Note:Ifthesettingsareunavailable,clickChangesettingsthatarecurrentlyunavailable.

5.ClickSavechanges.

Chapter11.Additionalserviceinformation175

176ThinkCentreE73HardwareMaintenanceManual

AppendixA.Notices

Lenovomaynotoffertheproducts,services,orfeaturesdiscussedinthisdocumentinallcountries.Consult

yourlocalLenovorepresentativeforinformationontheproductsandservicescurrentlyavailableinyour

area.AnyreferencetoaLenovoproduct,program,orserviceisnotintendedtostateorimplythatonlythat

Lenovoproduct,program,orservicemaybeused.Anyfunctionallyequivalentproduct,program,orservice

thatdoesnotinfringeanyLenovointellectualpropertyrightmaybeusedinstead.However,itistheuser's

responsibilitytoevaluateandverifytheoperationofanyotherproduct,program,orservice.

Lenovomayhavepatentsorpendingpatentapplicationscoveringsubjectmatterdescribedinthis

document.Thefurnishingofthisdocumentdoesnotgiveyouanylicensetothesepatents.Youcansend

licenseinquiries,inwriting,to:

Lenovo(UnitedStates),Inc.

1009ThinkPlace-BuildingOne

Morrisville,NC27560

U.S.A.

Attention:LenovoDirectorofLicensing

LENOVOPROVIDESTHISPUBLICATION“ASIS”WITHOUTWARRANTYOFANYKIND,EITHEREXPRESS

ORIMPLIED,INCLUDING,BUTNOTLIMITEDTO,THEIMPLIEDWARRANTIESOFNON-INFRINGEMENT,

MERCHANTABILITYORFITNESSFORAPARTICULARPURPOSE.Somejurisdictionsdonotallow

disclaimerofexpressorimpliedwarrantiesincertaintransactions,therefore,thisstatementmaynotapply

toyou.

Thisinformationcouldincludetechnicalinaccuraciesortypographicalerrors.Changesareperiodically

madetotheinformationherein;thesechangeswillbeincorporatedinneweditionsofthepublication.

Lenovomaymakeimprovementsand/orchangesintheproduct(s)and/ortheprogram(s)describedinthis

publicationatanytimewithoutnotice.

Theproductsdescribedinthisdocumentarenotintendedforuseinimplantationorotherlifesupport

applicationswheremalfunctionmayresultininjuryordeathtopersons.Theinformationcontainedinthis

documentdoesnotaffectorchangeLenovoproductspeciﬁcationsorwarranties.Nothinginthisdocument

shalloperateasanexpressorimpliedlicenseorindemnityundertheintellectualpropertyrightsofLenovo

orthirdparties.Allinformationcontainedinthisdocumentwasobtainedinspeciﬁcenvironmentsandis

presentedasanillustration.Theresultobtainedinotheroperatingenvironmentsmayvary.

Lenovomayuseordistributeanyoftheinformationyousupplyinanywayitbelievesappropriatewithout

incurringanyobligationtoyou.

Anyreferencesinthispublicationtonon-LenovoWebsitesareprovidedforconvenienceonlyanddonotin

anymannerserveasanendorsementofthoseWebsites.ThematerialsatthoseWebsitesarenotpartof

thematerialsforthisLenovoproduct,anduseofthoseWebsitesisatyourownrisk.

Anyperformancedatacontainedhereinwasdeterminedinacontrolledenvironment.Therefore,theresult

obtainedinotheroperatingenvironmentsmayvarysigniﬁcantly.Somemeasurementsmayhavebeen

madeondevelopment-levelsystemsandthereisnoguaranteethatthesemeasurementswillbethesame

ongenerallyavailablesystems.Furthermore,somemeasurementsmayhavebeenestimatedthrough

extrapolation.Actualresultsmayvary.Usersofthisdocumentshouldverifytheapplicabledatafortheir

speciﬁcenvironment.

Televisionoutputnotice

Thefollowingnoticeappliestomodelsthathavethefactory-installedtelevision-outputfeature.

ThisproductincorporatescopyrightprotectiontechnologythatisprotectedbymethodclaimsofcertainU.S.

patentsandotherintellectualpropertyrightsownedbyMacrovisionCorporationandotherrightsowners.

UseofthiscopyrightprotectiontechnologymustbeauthorizedbyMacrovisionCorporation,andisintended

forhomeandotherlimitedviewingusesonlyunlessotherwiseauthorizedbyMacrovisionCorporation.

Reverseengineeringordisassemblyisprohibited.

EuropeanconformanceCEmark

Trademarks

ThefollowingtermsaretrademarksofLenovointheUnitedStates,othercountries,orboth:

Lenovo

RescueandRecovery

TheLenovologo

TheThinkCentrelogo

ThinkCentre

ThinkVantage

Microsoft,Windows,andWindowsMediaaretrademarksoftheMicrosoftgroupofcompanies.

DisplayPortisaTrademarkoftheVideoElectronicsStandardsAssociation.

Othercompany,product,orservicenamesmaybetrademarksorservicemarksofothers.

178ThinkCentreE73HardwareMaintenanceManual

Index

accessing

systemboardcomponents126

Administrator,password56

audioline-inconnector68,75

audioline-outconnector68,75

basictroubleshooting37

battery,replacing91,130

BIOSsettings,changing59

Boot-blockRecovery174

changing

password56

startupdevicesequence58

CMOS,clearing57

components,internal69,76

computercover

removing82,124

computercover,reinstalling121,171

connector68,75

connectors

rear68,75

connectors,controls,indicators

front67,74

considerations,passwords56

CRU

completingtheinstallation121,171

CRUs(CustomerReplacableUnits),returning

defective69,76

deletingapassword56

Description68,75

desktopcomputers

hardware,installingorreplacing

devicedrivers,obtaining172

externaloptions123

devicedrivers,obtaining122,172

devices,handlingstatic-sensitive81,123

diagnostics,troubleshooting37

DisplayPortconnector68,75

drives

bays73,80

speciﬁcations73,80

environment,operating29–30

Ethernetconnector68,76

exiting,SetupUtility59

externaloptions,installing,desktopcomputers123

externaloptions,installing,towercomputers81

failure,recoveringfromaPOSTandBIOSupdate174

front

connectors,controls,indicators67,74

frontaudioandUSBassembly,replacing110,160

frontbezel

frontbezel,removing83,124

frontbezel,reinstalling83,124

frontWi-Fiantenna,installing,removing118,168

FRUlocations69,76

FRUpartnumbers1,67,71,78

harddiskdrive,replacing92,131

hardware,installingorreplacing

desktopcomputers

devicedrivers,obtaining172

externaloptions123

towercomputers

devicedrivers,obtaining122

externaloptions81

heatsinkandfanassembly,replacing101,148

IdentifyingFRUs69,76

installing

operatingsystem59

solid-statedrive94

installingoptions

memorymodule87,129

PCIExpresscard84,127

keyboard,replacing120,170

LenovoSolutionCenter53

locatingcomponents69,76

lookinguppartnumbers1,67,71,78

memorymodule

installing,replacing87,129

systemboard87,129

Microphoneconnector69,76

microprocessor

replacing105,153

mouse,replacing120,170

opticaldrive,replacing95,133

Optional-serviceCRUs69,76

partnumbers1,67,71,78

partsreplacement,completing121,171

password

Administrator56

considerations56

Power-OnPassword56

setting,changing,deleting56

passwords

erasing57

lostorforgotten57

passwords,using55

PCIExpresscard84,127

installing,replacing84,127

slots84,127

powersupplyassembly,replacing100,144

Power-On,Password56

rearconnectors68,75

rearfanassembly,replacing89

rearWi-Fiantenna,installing,removing117,166

recovering

fromaPOSTandBIOSupdatefailure174

recovery

Boot-blockRecovery174

removingcomputercover82,124

replacing

battery91,130

harddiskdrive92,131

heatsinkandfanassembly101,148

microprocessor105,153

slimcardreader97,137

solid-statedrive139

security

enablingordisabling57

selecting

startupdevice58

temporarystartupdevice58

Self-serviceCRUs69,76

setting

password56

settings

changing55

viewing55

SetupUtility55

SetupUtilityprogram,starting55

SetupUtility,exiting59

slimcardreader,replacing97,137

solid-statedrive,installing94

solid-statedrive,replacing139

startingtheSetupUtilityprogram55

startupdevice58

sequence,changing58

temporary,selecting58

static-sensitivedevices,handling81,123

supportwebsite

support33

support,website33

systemboard

locatingparts72,79

locations72,79

memorymodule87,129

systemboardcomponents

accessing126

systemfanassembly,replacing158

temporarystartupdevice58

theBIOS,updating(ﬂashing)174

thermalsensor,replacing103,151

towercomputers

hardware,installingorreplacing

devicedrivers,obtaining122

externaloptions81

troubleshooting,basic37

troubleshooting,diagnostics37

updating(ﬂashing)theBIOS174

USB2.0connector76

USB3.0connector76

USBconnector69

using

passwords55

SetupUtility55

VGAmonitorconnector69,76

viewingandchangingsettings55

Wi-Fiunits,Wi-Fiadaptercard,Wi-Ficardmodule,Wi-Fi

antennacable,replacing111,161

180ThinkCentreE73HardwareMaintenanceManual

Table of Contents

Lenovo E73 User Manual

Related Manuals