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.

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.

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"icon

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