Chapter 1. About this manual
- Important Safety Information
Chapter 2. Safety information
Chapter 3. General information
- Specifications
Chapter 4. General Checkout
Chapter 5. Using the Setup Utility
Chapter 6. Symptom-to-FRU Index
Chapter 7. Locating connectors, controls and components
Chapter 8. Replacing hardware
Chapter 9. FRU lists
Chapter 10. General information
- Additional Service Information

Lenovo C340 User Manual

Displayed below is the user manual for C340 by Lenovo which is a product in the Notebooks category. This manual has pages.

Related Manuals

Lenovo C340 Manual

LenovoC340/440Series

HardwareMaintenanceManual

ideaideaideaCentreidea

MachineTypes:10102/4773[C340],10104/6595[C440]

LenovoC340/440Series

HardwareMaintenanceManual

MachineTypes:10102/4773[C340],10104/6595[C440]

FirstEdition(August2012)15th

©CopyrightLenovo2012.

LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwarearedeliveredpursuantaGeneralServices

Administration“GSA”contract,use,reproduction,ordisclosureissubjecttorestrictionssetforthinContractNo.

GS-35F-05925

Contents

Chapter1.Aboutthismanual......1

ImportantSafetyInformation..........1

Chapter2.Safetyinformation......3

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

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

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

Handlingelectrostaticdischarge-sensitive

devices..................5

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

Safetynotices................6

Chapter3.Generalinformation.....9

Specications................9

Chapter4.GeneralCheckout.....11

Chapter5.UsingtheSetupUtility...13

StartingtheLenovoBIOSSetupUtilityprogram.13

Viewingandchangingsettings........13

Usingpasswords..............13

Enablingordisablingadevice........15

Selectingastartupdevice..........16

ExitingtheLenovoBIOSSetupUtilityprogram..17

Chapter6.Symptom-to-FRUIndex..19

Harddiskdrivebooterror..........19

PowerSupplyProblems...........19

POSTerrorcodes.............20

Undeterminedproblems...........20

Chapter7.Locatingconnectors,

controlsandcomponents......21

Chapter8.Replacinghardware....27

Generalinformation.............27

Replacingthekeyboardandmouse......28

Replacingtheadapter............28

Removingthestandbase..........30

Removingthefootcover...........30

Replacingamemorymodule.........31

Replacingtheharddiskdrive.........33

Replacingtheopticaldrive..........34

Removingthestandholder..........36

Removingthemiddlecover.........37

Replacingtheconverterboard........38

RemovingtheEMIcover...........39

ReplacingtherearI/Omodule........40

ReplacingtheTVtunercard.........41

ReplacingtheWLANcard..........42

Replacingthespeakersystem........43

Replacingthesystemfan..........44

Replacingtheheat-sink...........45

Replacingthecamera............46

ReplacingtheCPU.............47

Replacingthefrontcontrolboard.......50

Replacingthepowerswitchboard.......51

Replacingthemotherboard..........52

ReplacingtheLEDpanel...........53

Chapter9.FRUlists..........57

Chapter10.Generalinformation...61

AdditionalServiceInformation........61

©CopyrightLenovo2012iii

ivLenovoC340/440SeriesHardwareMaintenanceManual

Chapter1.Aboutthismanual

ThismanualcontainsserviceandreferenceinformationforLenovoC340andC440All-In-Onecomputers

listedonthecover.ItisintendedonlyfortrainedservicerswhoarefamiliarwithLenovocomputerproducts.

BeforeservicingaLenovoproduct,besuretoreadtheSafetyInformation.

ThedescriptionoftheTV-tunercardinthismanualappliesonlytocomputerswithaTV-tunercardinstalled.

ItdoesnotapplytocomputerswithoutaTV-tunercard.

ImportantSafetyInformation

BesuretoreadallCAUTIONandDANGERsectionsinthismanualbeforefollowinganyoftheinstructions.

VeuillezliretouteslesconsignesdetypeDANGERetATTENTIONduprésentdocumentavantd’exécuter

lesinstructions.

LesenSieunbedingtalleHinweisevomTyp“ACHTUNG”oder“VORSICHT”indieserDokumentation,bevor

SieirgendwelcheVorgängedurchführen

LeggereleistruzioniintrodottedaATTENZIONEePERICOLOpresentinelmanualeprimadieseguireuna

qualsiasidelleistruzioni

Certique-sedelertodasasinstruçõesdecuidadoeperigonestemanualantesdeexecutarqualquer

umadasinstruções

Esimportantequeleatodaslasdeclaracionesdeprecauciónydepeligrodeestemanualantesdeseguir

lasinstrucciones.

©CopyrightLenovo20121

2LenovoC340/440SeriesHardwareMaintenanceManual

Chapter2.Safetyinformation

Thischaptercontainsthesafetyinformationthatyouneedtobefamiliarwithbeforeservicingacomputer.

Generalsafety

Followtheserulestoensuregeneralsafety:

•Keeptheareasaroundthecomputerclearandcleanduringandaftermaintenance.

•Whenliftinganyheavyobject:

1.Ensureyoucanstandsafelywithoutslipping.

2.Distributetheweightoftheobjectequallyacrossbothfeet.

3.Liftslowly.Nevermovesuddenlyortwistwhenyouattempttolift.

4.Liftbystandingorbypushingupwithyourlegmuscles;thisactionremovesthestrainfromthe

musclesinyourback.

Donotattempttoliftanyobjectsthatweighmorethan16kg(35lb)orobjectsthatyouthinkare

tooheavyforyou.

•Donotperformanyactionthatwouldcreateahazardforthecustomer,orwouldmakethecomputer

unsafe.

•Beforeyoustartthecomputer,ensurethatotherservicerepresentativesandcustomerpersonnelarenot

inapositionthatwouldcreateahazardforthem.

•Placeremovedcoversandotherpartsinasafeplace,awayfromallpersonnel,whileyouareservicingthe

computer.

•Keepyourtoolcaseawayfromareasthatpeoplemaywalkthroughtoensureno-onetripsoverit.

•Donotwearlooseclothingthatcanbetrappedinthemovingpartsofamachine.Ensurethatyoursleeves

arefastenedorrolledupaboveyourelbows.Ifyourhairislong,tieorfastenitback.

•Inserttheendsofyournecktieorscarfinsideclothingorfastenitwithanon-conductiveclip,

approximately8centimeters(3inches)fromtheend.

•Donotwearjewelry,chains,metal-frameeyeglasses,ormetalfastenersforyourclothing.

Remember:Metalobjectsaregoodelectricalconductors.

•Wearsafetyglasseswhenyouare:hammering,drillingsoldering,cuttingwire,attachingsprings,using

solvents,orworkinginanyotherconditionsthatmightbehazardoustoyoureyes.

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

thatiswornordefective.

•Reattachallcoverscorrectlybeforereturningthecomputertothecustomer.

Electricalsafety

CAUTION:

Electricalcurrentfrompower,telephone,andcommunicationcablescanbehazardous.Toavoid

personalinjuryorequipmentdamage,disconnectanyattachedpowercords,telecommunication

cables,networkcables,andmodemcablesbeforeyouopenthecomputercovers,unlessinstructed

otherwiseintheinstallationandcongurationprocedures.

©CopyrightLenovo20123

Observethefollowingruleswhenworkingonelectricalequipment.

Important:Useonlyapprovedtoolsandtestequipment.Somehandtoolshavehandlescoveredwithasoft

materialthatdoesnotinsulateyouwhenworkingwithliveelectricalcurrents.Manycustomershaverubber

oormatsneartheirequipmentthatcontainsmallconductiveberstodecreaseelectrostaticdischarge.

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

accidentoccurs,youcanthenoperatetheswitchorunplugthepowercordquickly.

•Donotworkaloneunderhazardousconditionsornearequipmentthathashazardousvoltages.

•Disconnectallpowerbefore:

–Performingamechanicalinspection

–Workingnearpowersupplies

–RemovingorinstallingFieldReplaceableUnits(FRUs)

•Beforeyoustarttoworkonthecomputer,unplugthepowercord.Ifyoucannotunplugit,askthe

customertopower-offtheelectricaloutletthatsuppliespowertothemachineandtolocktheelectrical

outletintheoffposition.

•Ifyouneedtoworkonacomputerthathasexposedelectricalcircuits,observethefollowingprecautions:

–Ensurethatanotherperson,familiarwiththepower-offcontrols,isnearyou.

Remember:Anotherpersonmustbetheretoswitchoffthepower,ifnecessary.

–Useonlyonehandwhenworkingwithpowered-onelectricalequipment;keeptheotherhandinyour

pocketorbehindyourback.

Remember:Theremustbeacompletecircuittocauseelectricalshock.Byobservingtheaboverule,

youmaypreventacurrentfrompassingthroughyourbody.

–Whenusingatester,setthecontrolscorrectlyandusetheapprovedprobeleadsandaccessoriesfor

thattester.

–Standonsuitablerubbermats(obtainedlocally,ifnecessary)toinsulateyoufromgroundssuchas

metaloorstripsandmachineframes.

Observethespecialsafetyprecautionswhenyouworkwithveryhighvoltages;theseinstructionsarein

thesafetysectionsofthemaintenanceinformation.Useextremecarewhenmeasuringhighvoltages.

•Regularlyinspectandmaintainyourelectricalhandtoolstoensuretheyaresafetouse.

•Donotusewornorbrokentoolsandtesters.

•Neverassumethatpowerhasbeendisconnectedfromacircuit.First,checkthatithasbeenpoweredoff.

•Alwayslookcarefullyforpossiblehazardsinyourworkarea.Examplesofthesehazardsarewetoors,

non-groundedpowerextensioncables,conditionsthatmaycauseorallowpowersurges,andmissing

safetygrounds.

•Donottouchliveelectricalcircuitswiththereectivesurfaceofaplasticdentalmirror.Thissurfaceis

conductive,andtouchingalivecircuitcancausepersonalinjuryanddamagetothecomputer.

•Donotservicethefollowingpartswiththepoweronwhentheyareremovedfromtheirnormaloperating

positionsinacomputer:

–Powersupplyunits

–Pumps

–Blowersandfans

–Motorgenerators

andsimilarunits.(Thispracticeensurescorrectgroundingoftheunits.)

•Ifanelectricalaccidentoccurs:

–Usecaution;donotbecomeavictimyourself.

4LenovoC340/440SeriesHardwareMaintenanceManual

–Switchoffpower.

–Sendanotherpersontogetmedicalaid.

Safetyinspectionguide

Theintentofthisinspectionguideistoassistyouinidentifyingpotentialhazardsposedbytheseproducts.

Eachcomputer,asitwasdesignedandbuilt,hadrequiredsafetyitemsinstalledtoprotectusersand

servicepersonnelfrominjury.Thisguideaddressesonlythoseitems.However,goodjudgmentshouldbe

usedtoidentifypotentialsafetyhazardsduetoattachmentoffeaturesoroptionsnotcoveredbythis

inspectionguide.

Ifanyhazardsarepresent,youmustdeterminehowserioustheapparenthazardcouldbeandwhetheryou

cancontinuewithoutrstresolvingtheproblem.

Considerthefollowingitemsandthesafetyhazardstheypresent:

•Electricalhazards,especiallyprimarypower(primaryvoltageontheframecancauseseriousorfatal

electricalshock).

•Explosivehazards,suchasadamagedCRTfaceorbulgingcapacitor

•Mechanicalhazards,suchaslooseormissinghardware

Theguideconsistsofaseriesofstepspresentedasachecklist.Beginthecheckswiththepoweroff,and

thepowercorddisconnected.

Checklist:

1.Checkexteriorcoversfordamage(loose,broken,orsharpedges).

2.Power-offthecomputer.Disconnectthepowercord.

3.Checkthepowercordfor:

a.Athird-wiregroundconnectoringoodcondition.Useametertomeasurethird-wireground

continuityfor0.1ohmorlessbetweentheexternalgroundpinandframeground.

b.Thepowercordshouldbetheappropriatetypeasspeciedinthepartslistings.

c.Insulationmustnotbefrayedorworn.

4.Removethecover.

5.Checkforanyobviousalterations.Usegoodjudgmentastothesafetyofanyalterations.

6.Checkinsidetheunitforanyobvioushazards,suchasmetallings,contamination,waterorother

liquids,orsignsofreorsmokedamage.

7.Checkforworn,frayed,orpinchedcables.

8.Checkthatthepower-supplycoverfasteners(screwsorrivets)havenotbeenremovedortamperedwith.

Handlingelectrostaticdischarge-sensitivedevices

Anycomputerpartcontainingtransistorsorintegratedcircuits(ICs)shouldbeconsideredsensitiveto

electrostaticdischarge(ESD).ESDdamagecanoccurwhenthereisadifferenceinchargebetweenobjects.

ProtectagainstESDdamagebyequalizingthechargesothatthecomputer,thepart,theworkmat,andthe

personhandlingthepartareallatthesamecharge.

Notes:

1.Useproduct-specicESDprocedureswhentheyexceedtherequirementsnotedhere.

2.MakesurethattheESDprotectivedevicesyouusehavebeencertied(ISO9000)asfullyeffective.

WhenhandlingESD-sensitiveparts:

Chapter2.Safetyinformation5

•Keepthepartsinprotectivepackagesuntiltheyareinsertedintotheproduct.

•Avoidcontactwithotherpeoplewhilehandlingthepart.

•Wearagroundedwriststrapagainstyourskintoeliminatestaticonyourbody.

•Preventthepartfromtouchingyourclothing.Mostclothingisinsulativeandretainsachargeevenwhen

youarewearingawriststrap.

•Usetheblacksideofagroundedworkmattoprovideastatic-freeworksurface.Thematisespecially

usefulwhenhandlingESD-sensitivedevices.

•Selectagroundingsystem,suchasthoselistedbelow,toprovideprotectionthatmeetsthespecic

servicerequirement.

Note:TheuseofagroundingsystemisdesirablebutnotrequiredtoprotectagainstESDdamage.

–AttachtheESDgroundcliptoanyframeground,groundbraid,orgreen-wireground.

–UseanESDcommongroundorreferencepointwhenworkingonadouble-insulatedor

battery-operatedsystem.Youcanusecoaxorconnector-outsideshellsonthesesystems.

–Usetheroundground-prongoftheACplugonAC-operatedcomputers.

Groundingrequirements

Electricalgroundingofthecomputerisrequiredforoperatorsafetyandcorrectsystemfunction.Proper

groundingoftheelectricaloutletcanbeveriedbyacertiedelectrician.

Safetynotices

TheCAUTIONandDANGERsafetynoticesinthissectionareprovidedinthelanguageofEnglish.

DANGER

Electricalcurrentfrompower,telephoneandcommunicationcablesishazardous.

Toavoidashockhazard:

•Donotconnectordisconnectanycablesorperforminstallation,maintenance,orreconguration

ofthisproductduringanelectricalstorm.

•Connectallpowercordstoaproperlywiredandgroundedelectricaloutlet.

•Connectanyequipmentthatwillbeattachedtothisproducttoaproperlywiredoutlet.

•Whenpossible,useonehandonlytoconnectordisconnectsignalcables.

•Neverturnonanyequipmentwhenthereisevidenceofre,water,orstructuraldamage.

•Disconnecttheattachedpowercords,telecommunicationscables,networkcables,andmodem

cablesbeforeyouopenthedevicecovers,unlessinstructedotherwiseintheinstallationand

congurationprocedures.

•Connectanddisconnectcablesasdescribedinthefollowingtablewheninstalling,moving,or

openingcoversonthisproductorattacheddevices.

6LenovoC340/440SeriesHardwareMaintenanceManual

ToConnectToDisconnect

1.TurneverythingOFF .

2.First,attachallcablestodevices.

3.Attachsignalcablestoconnectors.

4.Attachpowercordstooutlet.

5.TurndeviceON.

1.TurneverythingOFF .

2.First,removepowercordsfromoutlets.

3.Removesignalcablesfromconnectors.

4.Removeallcablesfromdevices.

CAUTION:

Whenreplacingthelithiumbattery,useonlyPartNumber45C1566oranequivalenttypebattery

recommendedbythemanufacturer.Ifyoursystemhasamodulecontainingalithiumbattery,replace

itonlywiththesamemoduletypemadebythesamemanufacturer.Thebatterycontainslithiumand

canexplodeifnotproperlyused,handled,ordisposedof.

Donot:

•Throwintoorimmerseinwater

•Heattomorethan100°C(212°F)

•Repairordisassemble

Disposeofthebatteryasrequiredbylocalordinancesorregulations.

CAUTION:

Whenlaserproducts(suchasCD-ROMs,DVD-ROMdrives,beropticdevices,ortransmitters)are

installed,notethefollowing:

•Donotremovethecovers.Removingthecoversofthelaserproductcouldresultinexposureto

hazardouslaserradiation.Therearenoserviceablepartsinsidethedevice.

•Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthosespeciedherein

mightresultinhazardousradiationexposure.

DANGER

SomelaserproductscontainanembeddedClass3AorClass3Blaserdiode.Notethefollowing:

Thesediodesemitradiationwhenopen.Donotstareintothebeam,donotviewdirectlywith

opticalinstruments,andavoiddirectexposuretothebeam.

Chapter2.Safetyinformation7

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

CAUTION:

Usesafepracticeswhenlifting.

CAUTION:

Thepowercontrolbuttononthedeviceandthepowerswitchonthepowersupplydonotturnoff

theelectricalcurrentsuppliedtothedevice.Thedevicealsomighthavemorethanonepower

cord.Toremoveallelectricalcurrentfromthedevice,ensurethatallpowercordsaredisconnected

fromthepowersource.

CAUTION:

Donotplaceanyobjectweighingmorethan82kg(180lbs.)ontopofrack-mounteddevices.

8LenovoC340/440SeriesHardwareMaintenanceManual

Chapter3.Generalinformation

Thischapterprovidesgeneralinformationthatappliestoallcomputermodelscoveredbythismanual.

Specications

Thissectionliststhephysicalspecicationsforyourcomputer.

TypeLenovoC340/C440

Thissectionliststhephysicalspecications.

Environment

Airtemperature:

Operating:10°to35°C

Transit:-20°to55°C

Humidity:

Operating:35%to80%

Transit:20%to90%(40°C)

Altitude:86KPato106KPa

Electricalinput:

Inputvoltage:90V-264V(AC)

Inputfrequency:47Hz-63Hz

©CopyrightLenovo20129

10LenovoC340/440SeriesHardwareMaintenanceManual

Chapter4.GeneralCheckout

Attention:Thedrivesinthecomputeryouareservicingmighthavebeenrearrangedorthedrivestartup

sequencemayhavebeenchanged.Beextremelycarefulduringwriteoperationssuchascopying,saving,or

formatting.Dataorprogramscanbeoverwrittenifyouselectanincorrectdrive.

Generalerrormessagesappearifaproblemorconictisfoundbyanapplication,theoperatingsystem,or

both.Foranexplanationofthesemessages,refertotheinformationsuppliedwiththatsoftwarepackage.

Usethefollowingproceduretohelpdeterminethecauseoftheproblem:

1.Power-offthecomputerandallexternaldevices.

2.Checkallcablesandpowercords.

3.Setalldisplaycontrolstothemiddleposition.

4.Power-onallexternaldevices.

5.Power-onthecomputer.

•Lookfordisplayederrorcodes.

•Lookforreadableinstructionsoramainmenuonthedisplay.

Ifyoudidnotreceivethecorrectresponse,proceedtostep6.

Ifyoudidreceivethecorrectresponse,proceedtostep7.

6.Ifoneofthefollowinghappens,followtheinstructiongiven:

•IfthecomputerdisplaysaPOSTerror,goto“POSTerrorcodes” .

•Ifthecomputerhangsandnoerrorisdisplayed,continueatstep7.

7.Iftheteststopsandyoucannotcontinue,replacethelastdevicetested.

©CopyrightLenovo201211

12LenovoC340/440SeriesHardwareMaintenanceManual

Chapter5.UsingtheSetupUtility

TheSetupUtilityprogramisusedtoviewandchangethecongurationsettingsofyourcomputer,regardless

ofwhichoperatingsystemyouareusing.However,theoperatingsystemsettingsmightoverrideanysimilar

settingsintheSetupUtilityprogram.

StartingtheLenovoBIOSSetupUtilityprogram

TostarttheLenovoBIOSSetupUtilityprogram,dothefollowing:

1.Ifyourcomputerisalreadyonwhenyoustartthisprocedure,shutdowntheoperatingsystemand

turnoffthecomputer.

2.PressandholdtheF1keythenturnonthecomputer.WhentheLenovoBIOSSetupUtilityprogramis

displayed,releasetheF1key.

Note:IfaPower-OnPasswordoranAdministratorPasswordhasbeenset,theSetupUtilityprogrammenu

willnotbedisplayeduntilyoutypeyourpassword.Formoreinformation,see“Usingpasswords.”

Viewingandchangingsettings

SystemcongurationoptionsarelistedintheLenovoBIOSSetupUtilityprogrammenu.Tovieworchange

settings,see“StartingtheSetupUtilityprogram.”

YoumustusethekeyboardwhenusingtheLenovoBIOSSetupUtilitymenu.Thekeysusedtoperform

varioustasksaredisplayedonthebottomofeachscreen.

Usingpasswords

YoucanusetheLenovoBIOSSetupUtilityprogramtosetpasswordstopreventunauthorizedpersons

fromgainingaccesstoyourcomputeranddata.See“StartingtheSetupUtilityprogram.”Thefollowing

typesofpasswordsareavailable:

•AdministratorPassword

•Power-OnPassword

Youdonothavetosetanypasswordstouseyourcomputer.However,ifyoudecidetosetpasswords,read

thefollowingsections.

Passwordconsiderations

Apasswordcanbeanycombinationoflettersandnumbersupto16characters(a-zand0-9).Forsecurity

reasons,itisagoodideatouseastrongpasswordthatcannotbeeasilycompromised.Wesuggestthat

passwordsshouldfollowtheserules:

•Forastrongpassword,use7-16charactersandamixoflettersandnumbers.

•Donotuseyournameoryourusername.

•Donotuseacommonwordoracommonname.

•Usesomethingsignicantlydifferentfromyourpreviouspassword.

Attention:AdministratorandPower-Onpasswordsarenotcasesensitive.

©CopyrightLenovo201213

AdministratorPassword

SettinganAdministratorPassworddetersunauthorizedpersonsfromchangingcongurationsettings.You

mightwanttosetanAdministratorPasswordifyouareresponsibleformaintainingthesettingsofseveral

computers.

AfteryousetanAdministratorPassword,apasswordpromptisdisplayedeverytimeyouaccesstheLenovo

BIOSSetupUtilityprogram.

IfboththeAdministratorandPower-OnPasswordareset,youcantypeeitherpassword.However,youmust

useyourAdministratorPasswordtochangeanycongurationsettings.

Setting,changing,ordeletinganAdministratorpassword

TosetanAdministratorPassword,dothefollowing:

Note:Apasswordcanbeanycombinationoflettersandnumbersupto16characters(a-zand0-9).For

moreinformation,see“Passwordconsiderations”onpage13.

1.StarttheLenovoBIOSSetupUtilityprogram(see“StartingtheLenovoBIOSSetupUtilityprogram”on

page13).

2.FromtheSecuritymenu,selectSetAdministratorPasswordandpresstheEnterkey.

3.Thepassworddialogboxwillbedisplayed.TypethepasswordthenpresstheEnterkey.

4.Re-typethepasswordtoconrm,thenpresstheEnterkey.Ifyoutypedthepasswordcorrectly,

thepasswordwillbeinstalled.

TochangeanAdministratorPassword,dothefollowing:

1.StarttheLenovoBIOSSetupUtilityprogram(see“StartingtheLenovoBIOSSetupUtilityprogram”on

page13).

2.FromtheSecuritymenu,selectSetAdministratorPasswordandpresstheEnterkey.

3.Thepassworddialogboxwillbedisplayed.TypethecurrentpasswordthenpresstheEnterkey.

4.Typethenewpassword,thenpresstheEnterkey.Re-typethepasswordtoconrmthenewpassword.

Ifyoutypedthenewpasswordcorrectly,thenewpasswordwillbeinstalled.ASetupNoticedconrming

thatchangeshavebeensavedwillbedisplayed.

TodeleteapreviouslysetAdministratorPassword,dothefollowing:

1.FromtheSecuritymenu,selectSetAdministratorPasswordandpresstheEnterkey.

2.Thepassworddialogboxwillbedisplayed.TypethecurrentpasswordandpresstheEnterkey.

3.TodeleteanAdministratorPassword,leaveeachnewpasswordlineitemblank,thenpresstheEnter

key.ASetupNoticeconrmingthatchangeshavebeensavedwillbedisplayed.

4.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.

5.SelectSavechangesandExitfromthemenu.

Power-OnPassword

WhenaPower-OnPasswordisset,youcannotstarttheLenovoBIOSSetupUtilityprogramuntilavalid

passwordistypedfromthekeyboard.

Setting,changing,ordeletingaPower-OnPassword

Note:Apasswordcanbeanycombinationoflettersandnumbersupto16characters(a-zand0-9).

14LenovoC340/440SeriesHardwareMaintenanceManual

TosetaPower-OnPassword,dothefollowing:

1.StarttheLenovoBIOSSetupUtilityprogram(See”StartingtheLenovoBIOSSetupUtilityprogram”on

page13.)

2.FromtheSecuritymenu,selectSetPower-OnPasswordandpresstheEnterkey.

3.Thepassworddialogboxwillbedisplayed.T ypethepassword,thenpresstheEnterkey.

4.Re-typethepasswordtoconrm.Ifyoutypedthepasswordcorrectly,thepasswordwillbeinstalled.

TochangeaPower-OnPassword,dothefollowing:

1.StarttheLenovoBIOSSetupUtilityprogram(See”StartingtheLenovoBIOSSetupUtilityprogram”on

page13.)

2.FromtheSecuritymenu,selectSetPower-OnPasswordandpresstheEnterkey.

3.Thepassworddialogboxwillbedisplayed.TypethecurrentpasswordthenpresstheEnterkey.

4.Typethenewpassword,thenpresstheEnterkey.Re-typethepasswordtoconrmthenewpassword.

Ifyoutypedthenewpasswordcorrectly,thenewpasswordwillbeinstalled.ASetupNoticedconrming

thatchangeshavebeensavedwillbedisplayed.

TodeleteapreviouslysetPower-OnPassword,dothefollowing:

1.FromtheSecuritymenu,selectSetPower-OnPasswordandpresstheEnterkey.

2.Thepassworddialogboxwillbedisplayed.TypethecurrentpasswordandpresstheEnterkey.

3.TodeletethePower-OnPassword,leaveeachnewpasswordlineitemblank,thenpressEnter.ASetup

Noticeconrmingthatchangeshavebeensavedwillbedisplayed.

4.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.

5.SelectSavechangesandExitfromthemenu.

Enablingordisablingadevice

TheDevicesoptionsisusedtoenableordisableuseraccesstothefollowingdevices:

USBFunctionsSelectwhethertoenableordisableUSB(UniversalSerial

Bus)functions.Ifthefunctionsaredisabled,noUSB

devicescanbeused.

SATAModeWhenthisfeatureissettoDisabled,alldevices

connectedtotheSATAconnectors(e.g.harddiskdrives

ortheopticaldiskdrive)aredisabledandcannotbe

accessed.

OnboardAudioControllerSelectwhethertoenableordisabletheOnboard

AudioController.WhenthisfeatureissettoDisabled

alldevicesconnectedtotheaudioconnectors(e.g.

headphonesoramicrophone)aredisabledandcannot

beused.

OnboardEthernetControllerorLANBootAgentSelectwhethertoenableordisabletheOnboardEthernet

Controller,orselectwhethertoenableordisableload

onboardPXE(PrebootExecutionEnvironment).

Toenableordisableadevice,dothefollowing:

1.StarttheSetupUtilityprogram(see“StartingtheSetupUtilityprogram”onpage13).

2.FromtheSetupUtilityprogrammenu,selectDevices.

3.Selectanoptionasfollows:

SelectUSBSetup,presstheEnterkey,thenselectUSBFunctions.

Chapter5.UsingtheSetupUtility15

SelectATADeviceSetup,presstheEnterkey,thenselectSATAMode.

SelectAudioSetup,presstheEnterkey,thenselectOnboardAudioController.

SelectNetworkSetup,presstheEnterkey,thenselectOnboardEthernetSupportorLANBoot

Agent.

4.SelectDisabledorEnabledandpresstheEnterkey.

5.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.

6.SelectSavechangesandExitfromthemenu.

Notes:

a.Ifyoudonotwanttosavethesettings,selectDiscardchangesandExitfromthemenu.

b.SelectIDE/AHCIMode:DevicedriversupportisrequiredforACHI.Dependingonhowtheharddisk

imagewasinstalled,changingthissettingmaypreventthesystemfrombooting.

Selectingastartupdevice

IfyourcomputerdoesnotbootfromadevicesuchastheCD/DVD-ROMdrivediskorharddiskasexpected,

followoneoftheproceduresbelow.

Selectingatemporarystartupdevice

Usethisproceduretostartupfromanybootdevice.

Note:NotallCDs,DVDsorharddiskdrivesarebootable.

1.Turnoffyourcomputer.

2.PressandholdtheF12keythenturnonthecomputer.WhentheStartupDeviceMenuappears,

releasetheF12key.

Note:IftheStartupDeviceMenudoesnotdisplayusingthesesteps,repeatedlypressandreleasethe

F12keyratherthankeepingitpressedwhenturningonthecomputer.

3.Use↑and↓arrowstoselectthedesiredstartupdevicefromtheStartupDeviceMenuandpress

theEnterkeytobegin.

Note:SelectingastartupdevicefromtheStartupDeviceMenudoesnotpermanentlychangethe

startupsequence.

Selectingorchangingthestartupdevicesequence

Tovieworpermanentlychangetheconguredstartupdevicesequence,dothefollowing:

1.StarttheLenovoBIOSSetupUtilityprogram(see“StartingtheLenovoBIOSSetupUtilityprogram”on

page13).

2.FromtheLenovoBIOSSetupUtilityprogrammainmenu,selecttheStartupoption.

3.PresstheEnterkey,andselectthedevicesforthePrimaryBootSequence.Readtheinformation

displayedontherightsideofthescreen.

4.Use↑and↓arrowstoselectadevice.Usethe<+>or<->keystomoveadeviceupordown.Usethe

<×>keytoexcludethedevicefromorincludethedeviceinthebootsequence.

5.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.

6.SelectSavechangesandExitfromthemenu.

Notes:

16LenovoC340/440SeriesHardwareMaintenanceManual

a.Ifyoudonotwanttosavethesettings,selectDiscardchangesandExitfromthemenu.

b.Ifyouhavechangedthesesettingsandwanttoreturntothedefaultsettings,selectLoadOptimal

Defaultsfromthemenu.

ExitingtheLenovoBIOSSetupUtilityprogram

Afteryounishviewingorchangingsettings,presstheEsckeytoreturntotheLenovoBIOSSetupUtility

programmainmenu.YoumighthavetopresstheEsckeyseveraltimes.Dooneofthefollowing:

•Ifyouwanttosavethenewsettings,selectSavechangesandExitfromthemenu.WhentheSave&

resetwindowshows,selecttheYesbutton,andthenpresstheEnterkeytoexittheLenovoBIOS

SetupUtilityprogram.

•Ifyoudonotwanttosavethesettings,selectDiscardchangesandExitfromthemenu.Whenthe

ResetWithoutSavingwindowshows,selecttheYesbutton,andthenpresstheEnterkeytoexitthe

LenovoBIOSSetupUtilityprogram.

Chapter5.UsingtheSetupUtility17

18LenovoC340/440SeriesHardwareMaintenanceManual

Chapter6.Symptom-to-FRUIndex

TheSymptom-to-FRUindexlistserrorsymptomsandpossiblecauses.Themostlikelycauseislistedrst.

AlwaysbeginwithChapter4,“GeneralCheckout,”onpage11.Thisindexcanalsobeusedtohelpyou

decidewhichFRUstohaveavailablewhenservicingacomputer.Ifyouareunabletocorrecttheproblem

usingthisindex,goto“Undeterminedproblems”onpage20.

Notes:

•Ifyouhavebothanerrormessageandanincorrectaudioresponse,diagnosetheerrormessagerst.

•Ifyoucannotrunthediagnostictestsoryougetadiagnosticerrorcodewhenrunningatestbutdid

receiveaPOSTerrormessage,diagnosethePOSTerrormessagerst.

•Ifyoudidnotreceiveanyerrormessagelookforadescriptionofyourerrorsymptomsintherstpartof

thisindex.

Harddiskdrivebooterror

Aharddiskdrivebooterrorcanbecausedbythefollowing.

ErrorFRU/Action

Thestartupdriveisnotincludedinthebootsequence

conguration.

Checkthecongurationandensurethestartupdriveis

inthebootsequence.

Nooperatingsystemisinstalledonthebootdrive.Installanoperatingsystemonthebootdrive.

Thebootsectoronthestartupdriveiscorrupted.Thedrivemustbeformatted.Dothefollowing:

1.Attempttobackupthedataonthefailingharddisk

drive.

2.Usetheoperatingsystemtoformattheharddisk

drive.

Thedriveisdefective.Replacetheharddiskdrive.

PowerSupplyProblems

Followtheseproceduresifyoususpectthereisapowersupplyproblem.

Check/VerifyFRU/Action

Checkthatthefollowingareproperlyinstalled:

•PowerCord

•On/OffSwitchconnector

•SystemBoardPowerSupplyconnectors

•Microprocessorconnections

Reseatconnectors

Checkthepowercord.PowerCord

Checkthepower-onswitch.Power-onSwitch

©CopyrightLenovo201219

POSTerrorcodes

Eachtimeyouturnthecomputeron,itperformsaseriesofteststocheckthatthesystemisoperating

correctlyandthatcertainoptionsareset.ThisseriesoftestsiscalledthePower-OnSelf-Test,orPOST.

POSTdoesthefollowing:

•Checkssomebasicmotherboardoperations

•Checksthatthememoryisworkingcorrectly

•Startsvideooperations

•Veriesthatthebootdriveisworking

POSTErrorMessageDescription/Action

KeyboarderrorCannotinitializethekeyboard.Makesurethekeyboard

isproperlyconnectedtothecomputerandthatnokeys

areheldpressedduringPOST.Topurposelycongure

thecomputerwithoutakeyboard,selectKeyboardless

operationinStartupandsettheoptiontoEnabled.The

BIOSthenignoresthemissingkeyboardduringPOST.

RebootandSelectproperBootdeviceorInsertBoot

MediainselectedBootdevice

TheBIOSwasunabletondasuitablebootdevice.Make

surethebootdriveisproperlyconnectedtothecomputer.

Makesureyouhavebootablemediainthebootdevice.

Undeterminedproblems

1.Power-offthecomputer.

2.Removeordisconnectthefollowingcomponents(ifconnectedorinstalled)oneatatime.

a.Externaldevices(modem,printer,ormouse)

b.Extendedvideomemory

c.ExternalCache

d.ExternalCacheRAM

e.Harddiskdrive

f.Diskdrive

3.Power-onthecomputertore-testthesystem.

4.Repeatsteps1through3untilyoundthefailingdeviceorcomponent.

Ifalldevicesandcomponentshavebeenremovedandtheproblemcontinues,replacethesystemboard.

20LenovoC340/440SeriesHardwareMaintenanceManual

Chapter7.Locatingconnectors,controlsandcomponents

Thissectionprovidesillustrationstohelplocatethevariousconnectors,controlsandcomponentsofthe

computer.

Fontview

Thefollowingillustrationshowsthelocationofcontrolsandcomponentsonthefrontofthecomputer.

Attention:Becarefulnottoblockanyairventsonthecomputer.Blockedairventscancauseoverheating.

3765489

1.Built-inmicrophone6.Menubutton

2.Built-incamera7.Leftdirectionbutton

3.Harddiskdriveindicator8.Rightdirectionbutton

4.Wi-Fistatusindicator9.MonitorOn/Offbutton

5.MonitorOn/Offindicator10.Built-inIRreceiver(Onlyfunctionalonmodels

equippedwithaIRreceivermodule)

©CopyrightLenovo201221

Leftandrightview

Thefollowingillustrationshowsthelocationofconnectors,controlsandcomponentsontheleftandright

sideofthecomputer.

1.USBconnector5.Memorycardreader

2.Headphoneconnector6.Powerbutton

3.Microphoneconnector7.Opticaldriveejectbutton

4.USBconnector8.Opticaldrive

Attention:Donotinsert3-inchdiscsintotheopticaldrive.

22LenovoC340/440SeriesHardwareMaintenanceManual

Rearview

Thefollowingillustrationshowsthelocationofconnectorsandcomponentsontherearofthecomputer.

1237654

1.TVtunerconnector(selectedmodelsonly,2connectors

forJapan)

6.USBconnector

2.TVtunerconnector(selectedmodelsonly,2connectors

forJapan)

7.HDMI-outconnector(selectedmodelsonly)

3.Powerconnector8.Securitycableslot

4.Ethernetconnector9.Airvents

5.USBconnector

Chapter7.Locatingconnectors,controlsandcomponents23

Hardwarecomponents

Thefollowingillustrationshowsthecomponentsthatmakeupyourcomputer.

1.Computerstand12.Wi-Ficard

2.Footcover13.TV-Tunercard

3.Middlecover14.Systemfan

4.EMIcover15.Heat-sink

5.Motherboard16.Camera

6.Powerswitchboard17.Harddiskdriveandbay

7.Speakers18.Converterboard

8.RearI/Omodule19.Frontfunctionboard

9.Chassis20.Opticaldrive

10.LEDpanel21.Opticaldrivebracket

11.Frontbezel

24LenovoC340/440SeriesHardwareMaintenanceManual

Identifyingpartsonthemotherboard

Themotherboard(sometimescalledtheplanarorsystemboard)isthemaincircuitboardinyourcomputer.

Itprovidesbasiccomputingfunctionsandsupportsavarietyofdevicesthatarefactory-installedorthat

youcaninstalllater.Thefollowingillustrationshowsthelocationofconnectorsandcomponentsonthe

frontofthemotherboard.

1011121314

1.Thermalsensorheader13.TV-Tunercardconnector

2.CPUandsocket14.RearI/Omoduleconnector

3.Memoryconnector15.DC-inconnector

4.USBconnectors16.B-Casecardconnector

5.Headphoneconnector17.Converterboardconnector

6.Microphoneconnector18.HarddiskdriveSATAconnector

7.Memorycardconnector19.Harddiskdrivepowerconnector

8.Speakerconnector20.OpticaldriveSATAconnector

9.Powerswitchboardconnector21.Opticaldriverpowerconnector

10.Wi-Ficardconnector22.LVDSconnector

11.Frontcontrolboardconnector23.Cameraconnector

12.Battery24.Systemfanconnector

Chapter7.Locatingconnectors,controlsandcomponents25

26LenovoC340/440SeriesHardwareMaintenanceManual

Chapter8.Replacinghardware

Attention:Donotremovethecomputercoverorattemptanyrepairbeforereadingthe“Importantsafetyinformation”

intheSafetyandWarrantyGuidethatwasincludedwithyourcomputer.T oobtaincopiesoftheSafetyandWarranty

Guide,gototheSupportWebsiteat:http://consumersupport.lenovo.com.

Note:UseonlypartsprovidedbyLenovo.

Generalinformation

Pre-disassemblyinstructions

Beforestartingthedisassemblyprocedure,makesurethatyoudothefollowing:

1.Turnoffthepowertothesystemandallperipherals.

2.Unplugallpowerandsignalcablesfromthecomputer.

3.Placethesystemonaat,stablesurface.

©CopyrightLenovo201227

Replacingthekeyboardandmouse

Note:YourkeyboardwillbeconnectedtoaUSBconnectorateithersideorattherearofthecomputer.

Toreplacethekeyboard:

Step1.Removeanymedia(disks,CDs,ormemorycards)fromthedrives,shutdownthecomputer,and

turnoffallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Locatetheconnectorforthekeyboard.Referto“Sideviewofthecomputer”and“Rearviewof

thecomputer”.

Step4.Disconnectthedefectivekeyboardcablefromthecomputerandconnectthenewkeyboardcable

tothesameconnector.

Step5.Themousecanbereplacedusingthesamemethod.

Replacingtheadapter

Attention:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Step1.Removeanymedia(disks,CDs,ormemorycards)fromthedrives,shutdowntheoperating

system,andturnoffthecomputerandallattacheddevices.

28LenovoC340/440SeriesHardwareMaintenanceManual

Step2.Disconnecttheadaptercablefromthecomputer1,thenunplugthepowercordfromelectrical

outlet.2

Step3.Connectthenewadapterasshown.12

Chapter8.Replacinghardware29

Removingthestandbase

Attention:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthetouchscreenfromscratches

orotherdamage.

Step1.Removeanymedia(disks,CDs,ormemorycards)fromthedrives,shutdowntheoperating

system,andturnoffthecomputerandallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightviews”

and“Rearview”forhelpwithlocatingthevariousconnectors.

Step4.Twistthehandscrewringcounter-clockwiseuntilthebasecomesloosetoreleasethestandbase

fromthestandholder.1

Step5.Slidethestandbaseoutfromtheholderthenputitaside.2

Step6.Referto“Installingthecomputerstand”toreinstallthestandbase.

Removingthefootcover

Attention:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

30LenovoC340/440SeriesHardwareMaintenanceManual

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthetouchscreenfromscratches

orotherdamage.

Step1.Removeanymedia(disks,CDs,ormemorycards)fromthedrives,shutdowntheoperating

system,andturnoffthecomputerandallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightviews”

and“Rearview”forhelpwithlocatingthevariousconnectors.

Step4.Removethefootbase.Referto“Removingthefootbase” .

Step5.Liftupthestandholderthenslideoutthefootcoverasshown.

Step6.Toreattachthefootcover:

a.Liftupthestandholder.

b.Lineupthefootcoverwithmountingholesonthebackofthecomputer,thenslideitbackinto

position.

Replacingamemorymodule

Attention:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Chapter8.Replacinghardware31

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthetouchscreenfromscratches

orotherdamage.

Step1.Removeanymedia(disks,CDs,ormemorycards)fromthedrives,shutdowntheoperating

system,andturnoffthecomputerandallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightviews”

and“Rearview”forhelpwithlocatingthevariousconnectors.

Step4.Removethestandbase.Referto“Removingthestandbase” .

Step5.Removethefootcover.Referto“Removingthefootcover” .

Step6.Pushoutthelatchesonbothsidesofthememorysockettoreleasethememorymodule1and

gentlypullthememorymoduleupwardtoremoveitfromitssocket.2Allofthememorymodules

canberemovedusingthesameprocedure.

Step7.Toinstallamemorymodule:

a.Alignthenewmemorymodulewiththememorysocket,theninsertitandpushdownonthe

topedge.Makesurethelatcheslockthememorymoduleinplace.

Step8.Reattachthefootcoverandstandbase.

32LenovoC340/440SeriesHardwareMaintenanceManual

Replacingtheharddiskdrive

Attention:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthetouchscreenfromscratches

orotherdamage.

Step1.Removeanymedia(disks,CDs,ormemorycards)fromthedrives,shutdowntheoperating

system,andturnoffthecomputerandallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightviews”

and“Rearview”forhelpwithlocatingthevariousconnectors.

Step4.Removethestandbase.Referto“Removingthestandbase” .

Step5.Removethefootcover.Referto“Removingthefootcover” .

Step6.Pushtheharddiskdrivebracket1,thenslidetheharddiskdriveandbracketoutofthechassisas

shown.2

Chapter8.Replacinghardware33

Step7.Pushthelockpinsoutwardtoreleasetheharddiskdrivefromthebracket.

Step8.Toinstallthenewharddiskdrive:

a.Lineupthenewharddiskdrivewiththebracketandsecureitwiththepins.

b.Slidetheharddiskdriveandbracketbackintoposition.

Step9.Reattachthefootcoverandstandbase.

Replacingtheopticaldrive

Attention:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthetouchscreenfromscratches

orotherdamage.

Step1.Removeanymedia(disks,CDs,ormemorycards)fromthedrives,shutdowntheoperating

system,andturnoffthecomputerandallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightviews”

and“Rearview”forhelpwithlocatingthevariousconnectors.

Step4.Removethestandbase.Referto“Removingthestandbase” .

Step5.Removethefootcover.Referto“Removingthefootcover” .

34LenovoC340/440SeriesHardwareMaintenanceManual

Step6.Pushtheopticaldrivepindownwardtopushouttheopticaldriveasshown.12

Step7.Pushasmallironstick(paperclip)intothesmallholeontheopticaldrivecoversothatthedisk

springsoutasshown.

Step8.Removethe2screwsthatsecuretheopticaldrivetothemetalbracket.1

Step9.Useasmallatheadscrewdrivertopressandpushoutthepinsthatsecurethecovertothe

disk.23

Chapter8.Replacinghardware35

Step10.Separatethecoverfromthedefectiveopticaldrive.

Step11.Toinstallthenewopticaldrive:

a.Alignthenewopticaldrivewiththecover,andthenpushthecoverbackintoposition.

b.Screwthemetalbracketbackontothenewopticaldrive.

c.Slidethenewopticaldriveintothedrivebay.

Step12.Reattachthefootcoverandstandbase.

Removingthestandholder

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches

orotherdamage.

Toremovethestandholder:

Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating

system,andturnoffthecomputerandallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”

and“Rearview”forhelpwithlocatingthevariousconnectors.

Step4.Removethestandbase.Referto“Removingthestandbase” .

Step5.Removethefootcover.Referto“Removingthefootcover” .

Step6.Removethefourscrewsthatsecurethestandholdertothechassis,thenliftupthestandholderto

removeit.

36LenovoC340/440SeriesHardwareMaintenanceManual

Step7.Toreattachthestandholder:

a.Aligntheholesonthestandholderwithmountingholesonthechassis,placethestand

holderbackintoposition.

b.Securethestandholdertothechassiswiththefourscrews.

Step8.Lineupthefootcoverwithmountingholesonthebackofthecomputer,thenslideitbackinto

position.

Step9.Reattachthestandbase.

Removingthemiddlecover

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches

orotherdamage.

Toremovethemiddlecover:

Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating

system,andturnoffthecomputerandallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”

and“Rearview”forhelpwithlocatingthevariousconnectors.

Step4.Removethestandbase.Referto“Removingthestandbase” .

Step5.Removethefootcover.Referto“Removingthefootcover” .

Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .

Step7.Removethestandholder.Referto“Removingthestandholder” .

Step8.Removethesixscrewsthatsecurethemiddlecovertothechassis,thenliftupthemiddlecover

fromtheleftside(opticaldriveside)toremovethemiddlecover.

Chapter8.Replacinghardware37

Step9.Toreattachthemiddlecover:

a.Lineupthemiddlecoverwithchassis,thenplacethemiddlecoverback.

b.Securethemiddlecovertothechassiswiththesixscrews.

Step10.Reattachthestandholder,opticaldrive,footcoverandstandbase.

Replacingtheconverterboard

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches

orotherdamage.

Toreplacetheconverterboard:

Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating

system,andturnoffthecomputerandallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”

and“Rearview”forhelpwithlocatingthevariousconnectors.

Step4.Removethestandbase.Referto“Removingthestandbase” .

Step5.Removethefootcover.Referto“Removingthefootcover” .

Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .

Step7.Removethestandholder.Referto“Removingthestandholder” .

Step8.Removethemiddlecover.Referto“Removingthemiddlecover” .

38LenovoC340/440SeriesHardwareMaintenanceManual

Step9.Disconnectthetwocablesfromtheconverter,andthenremovethetwoscrewsthatsecurethe

converterboardtothechassis.

Step10.Liftuptheconverterboardtoremoveit.

Step11.Toinstallthenewconverterboard:

a.Lineuptheholesonthenewconverterboardwiththemountingholesonthechassisand

secureitwiththetwoscrews.

b.Connectthetwocablestothenewconverterboard.

Step12.Reattachthemiddlecover,opticaldrive,standholder,footcoverandstandbase.

RemovingtheEMIcover

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches

orotherdamage.

ToreplacetheEMIcover

Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating

system,andturnoffthecomputerandallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”

and“Rearview”forhelpwithlocatingthevariousconnectors.

Step4.Removethestandbase.Referto“Removingthestandbase” .

Step5.Removethefootcover.Referto“Removingthefootcover” .

Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .

Step7.Removethestandholder.Referto“Removingthestandholder” .

Step8.Removethemiddlecover.Referto“Removingthemiddlecover” .

Chapter8.Replacinghardware39

Step9.RemovethethreescrewsthatsecuretheEMIcovertothechassis,andthenliftitup.

Step10.ToreattachtheEMIcover:

a.LineuptheholesontheEMIcoverwithmountingholesonthechassis,thenplaceEMIcover

backintoposition.

b.SecuretheEMIcovertothechassiswiththreescrews.

Step11.Reattachthemiddlecover,opticaldrive,standholder,footcoverandstandbase.

ReplacingtherearI/Omodule

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches

orotherdamage.

ToreplacetherearI/Omodule

Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating

system,andturnoffthecomputerandallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”

and“Rearview”forhelpwithlocatingthevariousconnectors.

Step4.Removethestandbase.Referto“Removingthestandbase” .

Step5.Removethefootcover.Referto“Removingthefootcover” .

Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .

Step7.Removethestandholder.Referto“Removingthestandholder” .

Step8.Removethemiddlecover.Referto“Removingthemiddlecover” .

Step9.RemovetheEMIcover.Referto“RemovingtheEMIcover” .

40LenovoC340/440SeriesHardwareMaintenanceManual

Step10.RemovethethreescrewsthatsecuretherearI/Omoduletothemotherboardandliftitupgently.

Step11.DisconnectthepowercablefromthemotherboardandtheTVantennacable(s)fromtheTVtuner

card.

Step12.RemovethehexagonalnutthatsecuretheTV-TunerantennaconnectortotherearI/Obracket.

ThenslidetheTV-Tunerantennaconnectorout.

Step13.Removetheonescrewthatsecuresthepowerjacktothebracket.Slideoutthepowerjack

fromtherearI/Obracket.

Step14.ToinstallthenewrearI/Omodule:

a.AttachtheTV-TunerantennaconnectorandpowerjacktothenewrearI/Obracket,then

securethemwiththescrewandnut.

b.LineuptherearI/Omodulewiththeconnectorsonthemotherboard,theninserttherearI/O

moduleintoplace.

c.ConnectthepowercabletothemotherboardandtheTVantennacable(s)totheTVtunercard.

d.SecuretherearI/Omodulewiththethreescrews.

Step15.ReattachtheEMIcover,middlecover,opticaldrive,standholder,footcoverandstandbase.

ReplacingtheTVtunercard

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches

orotherdamage.

ToreplacetheTVtunercard

Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating

system,andturnoffthecomputerandallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”

and“Rearview”forhelpwithlocatingthevariousconnectors.

Step4.Removethestandbase.Referto“Removingthestandbase” .

Step5.Removethefootcover.Referto“Removingthefootcover” .

Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .

Step7.Removethestandholder.Referto“Removingthestandholder” .

Chapter8.Replacinghardware41

Step8.Removethemiddlecover.Referto“Removingthemiddlecover” .

Step9.RemovetheEMIcover.Referto“RemovingtheEMIcover” .

Step10.DisconnecttheantennacablefromtheTV-Tunercard.

Step11.RemovethescrewthatsecurestheTV-Tunercardtothemotherboard.

Step12.PulltheTV-Tunercardupwardtoremoveitfromthecardportonthemotherboard.

Step13.ToinstallthenewTV-Tunercard:

a.InsertthenotchedendoftheTV-Tunercardintothecardportonthemotherboard.

b.SecurenewtheTV-Tunercardtothemotherboardwiththescrew.

c.ConnecttheantennacabletothenewTV-Tunercard.

Step14.ReattachtheEMIcover,middlecover,opticaldrive,standholder,footcoverandstandbase.

ReplacingtheWLANcard

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches

orotherdamage.

ToreplacetheWLANcard:

Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating

system,andturnoffthecomputerandallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”

and“Rearview”forhelpwithlocatingthevariousconnectors.

Step4.Removethestandbase.Referto“Removingthestandbase” .

Step5.Removethefootcover.Referto“Removingthefootcover” .

Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .

Step7.Removethestandholder.Referto“Removingthestandholder” .

Step8.Removethemiddlecover.Referto“Removingthemiddlecover” .

Step9.RemovetheEMIcover.Referto“RemovingtheEMIcover” .

42LenovoC340/440SeriesHardwareMaintenanceManual

Step10.DisconnecttheantennacablesfromtheWLANcard.

Step11.RemovethescrewthatsecurestheWLANcardtothemotherboard.

Step12.LiftuptheWLANcardtoremoveitfromthesocket.

Step13.ToinstallthenewWLANcard:

a.InsertthenotchedendoftheWLANcardintothecardportonthemotherboard.

b.SecurenewtheWLANcardtothemotherboardwiththescrew.

c.ConnecttheantennacablestothenewWLANcard.

Step14.ReattachtheEMIcover,middlecover,opticaldrive,standholder,footcoverandstandbase.

Replacingthespeakersystem

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches

orotherdamage.

Toreplacethespeakersystem:

Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating

system,andturnoffthecomputerandallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”

and“Rearview”forhelpwithlocatingthevariousconnectors.

Step4.Removethestandbase.Referto“Removingthestandbase” .

Step5.Removethefootcover.Referto“Removingthefootcover” .

Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .

Step7.Removethestandholder.Referto“Removingthestandholder” .

Step8.Removethemiddlecover.Referto“Removingthemiddlecover” .

Step9.RemovetheEMIcover.Referto“RemovingtheEMIcover” .

Chapter8.Replacinghardware43

Step10.Disconnectthespeakercablesfromtheconnectoronthemotherboard.

Step11.Removethefourscrewsthatsecurethespeakersystemtothechassis,thenliftupthespeaker

systemtoremoveit.

Step12.Toinstallthenewspeakersystem:

a.Placethenewspeakersystemintoposition,thensecureitwithfourscrews.

b.Connectthenewspeakercablestotheconnectoronthemotherboard.

Step13.ReattachtheEMIcover,middlecover,opticaldrive,standholder,footcoverandstandbase.

Replacingthesystemfan

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches

orotherdamage.

Toreplacethesystemfan

Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating

system,andturnoffthecomputerandallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”

and“Rearview”forhelpwithlocatingthevariousconnectors.

Step4.Removethestandbase.Referto“Removingthestandbase” .

Step5.Removethefootcover.Referto“Removingthefootcover” .

Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .

Step7.Removethestandholder.Referto“Removingthestandholder” .

Step8.Removethemiddlecover.Referto“Removingthemiddlecover” .

Step9.RemovetheEMIcover.Referto“RemovingtheEMIcover” .

Step10.Removethesealingtapebetweenthesystemfanandheat-sink.

44LenovoC340/440SeriesHardwareMaintenanceManual

Step11.Removethethreescrewsthatsecurethesystemfantothechassis.

Step12.Disconnectthepowercablefromthemotherboard.

Step13.Liftupthesystemfantoremoveit.

Step14.Toinstallthenewsystemfan:

a.Placethenewsystemfanintoposition,andthensecureittothechassiswiththethreescrews.

b.Connectthesystemfanpowercabletotheconnectoronthemotherboard.

c.Usethesealingtapetosealthegapin-betweenthesystemfanandheat-sink.

Step15.ReattachtheEMIcover,middlecover,opticaldrive,standholder,footcoverandstandbase.

Replacingtheheat-sink

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches

orotherdamage.

Toreplacetheheat-sink:

Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating

system,andturnoffthecomputerandallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”

and“Rearview”forhelpwithlocatingthevariousconnectors.

Step4.Removethestandbase.Referto“Removingthestandbase” .

Step5.Removethefootcover.Referto“Removingthefootcover” .

Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .

Step7.Removethestandholder.Referto“Removingthestandholder” .

Step8.Removethemiddlecover.Referto“Removingthemiddlecover” .

Step9.RemovetheEMIcover.Referto“RemovingtheEMIcover” .

Step10.Removethesealingtapebetweenthesystemfanandheat-sink.

Chapter8.Replacinghardware45

Step11.Removetheeightscrewsthatsecuretheheat-sinktothemotherboardandchassis.

Step12.Removetheheat-sinkbyliftingitup.

Attention:Placetheheat-sinkupsidedownonaatsurfacetopreventthermalgreasefromcontaminating

othercomponents.

Attention:UseanalcoholpadtowipethethermalgreaseofftheCPU.

Step13.Toinstallthenewheat-sink:

a.Lineupthenewheat-sinkwithmountingholesonthemotherboard,thenplaceitintoposition.

b.Followthenumbersprintedonthenewheat-sinktosecureitinorderusingtheeightscrews.

c.Usethesealingtapetosealthegapin-betweenthesystemfanandheat-sink.

Step14.ReattachtheEMIcover,middlecover,opticaldrive,standholder,footcoverandstandbase.

Replacingthecamera

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches

orotherdamage.

Toreplacethecamera:

Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating

system,andturnoffthecomputerandallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”

and“Rearview”forhelpwithlocatingthevariousconnectors.

Step4.Removethestandbase.Referto“Removingthestandbase” .

Step5.Removethefootcover.Referto“Removingthefootcover” .

Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .

Step7.Removethestandholder.Referto“Removingthestandholder” .

Step8.Removethemiddlecover.Referto“Removingthemiddlecover” .

46LenovoC340/440SeriesHardwareMaintenanceManual

Step9.RemovetheEMIcover.Referto“RemovingtheEMIcover” .

Step10.Removethetwoscrewsthatsecurecameratothefrontbezel.

Step11.Liftupthecameraanddisconnectthedatacablefromthecamera.

Step12.Removethetwoscrewsthatsecurethecameratothebracket,thenputasidethebracket.

Step13.Toinstallthenewcamera:

a.Lineupthenewcamerawiththebracket,thensecurethecameratothebracketwiththe

twoscrews.

b.Connectthedatacabletothenewcamera.

c.Lineuptheholesinthenewcamerawiththemountingholesonthefrontbezelandsecureit

withthetwoscrews.

Step14.ReattachtheEMIcover,middlecover,opticaldrive,standholder,footcoverandstandbase.

ReplacingtheCPU

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches

orotherdamage.

ToreplacetheCPU

Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating

system,andturnoffthecomputerandallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”

and“Rearview”forhelpwithlocatingthevariousconnectors.

Step4.Removethestandbase.Referto“Removingthestandbase” .

Step5.Removethefootcover.Referto“Removingthefootcover” .

Chapter8.Replacinghardware47

Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .

Step7.Removethestandholder.Referto“Removingthestandholder” .

Step8.Removethemiddlecover.Referto“Removingthemiddlecover” .

Step9.RemovetheEMIcover.Referto“RemovingtheEMIcover” .

Step10.Removetheheat-sink.Referto“Replacingtheheatsink” .

Step11.Liftthesmallhandleandopentheretainer.

Step12.Liftthemicroprocessorstraightupandoutofthesocket.3

Attention:Donottouchthegoldcontactsonthebottomofthemicroprocessor.Whenhandlingthe

microprocessor,touchonlythesides.

Note:Donotdropanythingontothemicroprocessorsocketwhileitisexposed.Thesocketpinsmust

bekeptascleanaspossible.

48LenovoC340/440SeriesHardwareMaintenanceManual

Step13.Holdingthesidesofthemicroprocessorwithyourngers,removetheprotectivecover1that

protectsthegoldcontactsonthenewmicroprocessor.2

Step14.Holdingthesidesofthemicroprocessorwithyourngers,positionthemicroprocessorsothatthe

notchesonthemicroprocessorarealignedwiththetabsinthemicroprocessorsocket.

Important:Toavoiddamagingthemicroprocessorcontacts,keepthemicroprocessorcompletelylevel

whileinstallingitintothesocket.

Step15.Lowerthemicroprocessorstraightdownintoitssocketonthemotherboard.

Step16.Tosecurethemicroprocessorinthesocket,closethemicroprocessorretainerandlockitinto

positionwiththesmallhandle.

Step17.Useathermalgreasesyringetoplace5dropsofgreaseonthetopofthemicroprocessor.Each

dropofgreaseshouldbe0.03ml(3tickmarksonthegreasesyringe).

Step18.Reattachtheheat-sink,EMIcover,middlecover,opticaldrive,standholder,footcoverandstand

base.

Chapter8.Replacinghardware49

Replacingthefrontcontrolboard

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches

orotherdamage.

Toreplacethefrontcontrolboard:

Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating

system,andturnoffthecomputerandallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”

and“Rearview”forhelpwithlocatingthevariousconnectors.

Step4.Removethestandbase.Referto“Removingthestandbase” .

Step5.Removethefootcover.Referto“Removingthefootcover” .

Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .

Step7.Removethestandholder.Referto“Removingthestandholder” .

Step8.Removethemiddlecover.Referto“Removingthemiddlecover” .

Step9.RemovetheEMIcover.Referto“RemovingtheEMIcover” .

Step10.Removethespeakersystem.Referto“Replacingthespeakersystem” .

Step11.Removethetwoscrewsthatsecurethefrontcontrolboardtothefrontbezel,

Step12.Disconnectthedatacablefromthefrontcontrolboard,thenliftupthefrontcontrolboard.

Step13.Toinstallthenewfrontcontrolboard:

a.Connectthedatacabletothenewfrontcontrolboard.

b.Lineupthenewfrontcontrolboardwiththefrontbezel,thenplaceitintoposition.

c.Securethefrontcontrolboardwiththetwoscrews.

50LenovoC340/440SeriesHardwareMaintenanceManual

Step14.Reattachthespeakersystem,EMIcover,middlecover,opticaldrive,standholder,footcover

andstandbase.

Replacingthepowerswitchboard

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches

orotherdamage.

Toreplacethepowerswitchboard

Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating

system,andturnoffthecomputerandallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”

and“Rearview”forhelpwithlocatingthevariousconnectors.

Step4.Removethestandbase.Referto“Removingthestandbase” .

Step5.Removethefootcover.Referto“Removingthefootcover” .

Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .

Step7.Removethestandholder.Referto“Removingthestandholder” .

Step8.Removethemiddlecover.Referto“Removingthemiddlecover” .

Step9.RemovetheEMIcover.Referto“RemovingtheEMIcover” .

Step10.Removethescrewthatsecurethepowerswitchboardtothefrontbezel.

Step11.Disconnectthedatacablefromthepowerswitchboard,thenliftupthepowerswitchboard.

Step12.Toinstallthepowerswitchboard:

a.Lineuptheholeonthenewpowerswitchboardwiththemountingholeonthefrontbezel,

thenplaceitintoposition.

b.Securethepowerswitchboardwiththescrew.

Chapter8.Replacinghardware51

c.Connectthepowercabletothenewpowerswitchboard.

Step13.ReattachtheEMIcover,middlecover,opticaldrive,standholder,footcoverandstandbase.

Replacingthemotherboard

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches

orotherdamage.

Toreplacethemotherboard:

Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating

system,andturnoffthecomputerandallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”

and“Rearview”forhelpwithlocatingthevariousconnectors.

Step4.Removethestandbase.Referto“Removingthestandbase” .

Step5.Removethefootcover.Referto“Removingthefootcover” .

Step6.Removethememorymodules.Referto“Replacingamemorymodule” .

Step7.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .

Step8.Removethestandholder.Referto“Removingthestandholder” .

Step9.Removethemiddlecover.Referto“Removingthemiddlecover” .

Step10.RemovetheEMIcover.Referto“RemovingtheEMIcover” .

Step11.RemovetherearI/Omodule.Referto“ReplacingtherearI/Omodule” .

Step12.Removetheheat-sink.Referto“Replacingtheheat-sink” .

Step13.RemovetheCPU.Referto“ReplacingtheCPU” .

Step14.RemovetheTV-Tunercard.Referto“ReplacingtheTVtunercard” .

Step15.RemovetheWLANcard.Referto“ReplacingtheWLANcard” .

Step16.Unplugthefollowingcablesfromconnectorsonthemotherboard:

•Powerswitchboardcable

•Speakersystemcable

•Frontcontrolboardcable

•Convertercable

•Cameracable

•Systemfanpowercable

•Harddiskdrivepowercable

•HarddiskdriveSATAcable(Black)

•OpticaldriveSATAcable(Red)

•Opticaldiskdrivepowercable

•LVDScable

52LenovoC340/440SeriesHardwareMaintenanceManual

Step17.Removethesevenscrewsthatsecurethemotherboardtothechassisandliftthemotherboard

uptoremoveit.

Step18.Toinstallthenewmotherboard:

a.Lineuptheholesonthenewmotherboardwiththemountingholeschassisandplacethenew

motherboardintoposition.

b.Usethescrewstosecurethenewmotherboardtothechassis.

Step19.Installthefollowingpartstothenewmotherboard:

•WLANcard

•TV-Tunercard

•CPU

•Heat-sink

•RearI/Omodule

•Memorymodule

Step20.Connectallthecablestothenewmotherboard.

Step21.ReattachtheEMIcover,middlecover,opticaldrive,standholder,footcoverandstandbase.

ReplacingtheLEDpanel

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches

orotherdamage.

ToreplacetheLEDpanel:

Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating

system,andturnoffthecomputerandallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”

and“Rearview”forhelpwithlocatingthevariousconnectors.

Chapter8.Replacinghardware53

Step4.Removethestandbase.Referto“Removingthestandbase” .

Step5.Removethefootcover.Referto“Removingthefootcover” .

Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .

Step7.Removethestandholder.Referto“Removingthestandholder” .

Step8.Removethemiddlecover.Referto“Removingthemiddlecover” .

Step9.RemovetheEMIcover.Referto“RemovingtheEMIcover” .

Step10.Removethespeakersystem.Referto“Replacingthespeakersystem” .

Step11.Removethesystemfan.Referto“Replacingthesystemfan” .

Step12.Disconnectthepowerswitchboardcableandcameracablefromconnectorsonthemotherboard:

Step13.Disconnectthecablefromtheconnectoronthefrontcontrolboard.

Step14.Removetheninescrewsthatsecurethechassistothefrontbezel.1

Step15.RemovethefourscrewsthatsecuretheLEDpaneltothechassis.23

Step16.DisconnecttheconvertercableandLVDScablefromtheconnectorsontheLEDpanel.

Step17.LiftupthechassistoseparatetheLEDpanelfromthechassis.

Step18.ToinstallthenewtheLEDpanel:

a.LineupthechassiswithnewLEDpanel,andthensecurethenewLEDpaneltothechassis

withthefourscrews.

b.ConnecttheconvertercableandLVDScabletothenewLEDpanel.

c.Lineupthechassiswiththefrontbezel,andthenplacethechassisintoposition.

d.Securethechassistothefrontbezelwiththeninescrews.

e.Reconnectallthecameraandpowerswitchboardcablestotheconnectorsonthe

motherboard.

f.Reconnectthefrontcontrolboardcablebacktotheconnectoronfrontcontrolboard.

54LenovoC340/440SeriesHardwareMaintenanceManual

Step19.Reattachthesystemfan,speakersystem,EMIcover,middlecover,standholder,opticaldrive,

footcoverandstandbase.

Chapter8.Replacinghardware55

56LenovoC340/440SeriesHardwareMaintenanceManual

Chapter9.FRUlists

Thischapterliststheinformationontheeldreplaceableunits(FRUs).

Attention:BesuretoreadandunderstandallthesafetyinformationbeforereplacinganyFRUs.

Notes:FRUsthathavea1or2intheCRUcolumnareCustomerReplaceableUnits(CRUs).

•1–identiespartsthatarefairlysimpletoreplace,requiringfewornotools.

•2–identiespartsthatareslightlymoredifculttoreplace.

•N-identiespartsthatarenottobereplacedbythecustomer.

Item#Description

Service

Part

Number

CRUID

Computerstand

？？？？

Footcover 2

？？？？

Middlecover 3

？？？？

EMIcover

？？？？

Motherboard

C340/C440512M_GPUW/OUSB3.0MB90000624N

C340/C4402G_GPUW/OUSB3.0MB90000626N

C340/C440WIN8UMAW/USB3.0MB90000841N

C340/C440WIN8_PROUMAW/USB3.0MB90000842N

C340/C440WIN81G_GPUW/USB3.0MB90000844N

C340/C440WIN8_PRO1G_GPUW/USB3.0MB90000845N

C340/C440WIN8512M_GPUW/USB3.0MB90000847N

C340/C440WIN8_PRO512M_GPUW/USB3.0MB90000848N

C340/C440WIN82G_GPUW/USB3.0MB90000850N

C340/C440WIN8_PRO2G_GPUW/USB3.0MB90000851N

C340/C440WIN8UMAW/OUSB3.0MB90000853N

C340/C440WIN8_PROUMAW/OUSB3.0MB90000854N

C340/C440WIN81G_GPUW/OUSB3.0MB90000856N

C340/C440WIN8_PRO1G_GPUW/OUSB3.0MB90000857N

C340/C440WIN8512M_GPUW/OUSB3.0MB90000859N

C340/C440WIN8_PRO512M_GPUW/OUSB3.0MB90000860N

C340/C440WIN82G_GPUW/OUSB3.0MB90000862N

C340/C440WIN8PRO2G_GPUW/OUSB3.0MB90000863N

Powerswitchboard 6

？？N

Speakers

C340/C440SpeakerSUMSANGW/HOUSING(*2)90201451N

C340/C440SpeakerKuaidaW/HOUSING(*2）90201452N

RearI/Omodule

C440RearIOBoardW/GPUW/HDMIW/OTV90001422N

C440RearIOBoardW/GPUW/OHDMIW/TV90001423N

C440RearIOBoardW/GPUW/OHDMIW/OTV90001424N

C440RearIOBoardW/OGPUW/HDMIW/OTV90001425N

C340RearIOBoardW/GPUW/HDMIW/OTV90001413N

C340RearIOBoardW/GPUW/OHDMIW/TV90001414N

C340RearIOBoardW/GPUW/OHDMIW/OTV90001415N

C340RearIOBoardW/OGPUW/HDMIW/OTV90001416N

58LenovoC340/440SeriesHardwareMaintenanceManual

Chassis

？？N

LEDpanel

LM200WD3-TLF118200171N

M200RW01V618200419N

LTM200KT10-M01,M0218200079N

LM215WF4-TLG118200166N

AUOM215HTN01.118200835N

M215HW03V118200169N

Frontbezel

C340FrontBezel（Black）90201405N

C340FrontBezel（White）90201406N

C440FrontBezel（Black）90201458N

C440FrontBezel（White）90201459N

Wi-Ficard

CBTAR948511nSBHMCWiFicard(wowl)11200354N

LTNRTL8188CE11nSBHMCWiFicard(wowl)11200352N

CBTBCM9431311nHMCWiFicard20002505N

TV- Tunercard

AvermediaH339BBDVB-TMiniTVCard11200290N

AvermediaH339BAATSCMiniTVCard11200291N

Systemfan

C340/C440AVCFan90201347N

C340/C440DeltaFan90201349N

Heat-sink

C340AVCDISHeatSink90201656N

C440CoolermasterDISHeatSink90201657N

C340AVCUMAHeatSink90201658N

C440CoolermasterUMAHeatSink90201659N

C340AVCUMAHeatSink90201348N

C340CoolermasterUMAHeatSink90201350N

C340AVCDISHeatSink90201351N

C340CoolermasterDISHeatSink90201352N

Camera

BisonM720PVCOV9712CAM20200085N

CCYM720PVCOV9712CAM20200086N

Chapter9.FRUlists59

Harddiskdriveandbay

WDXL500AWD3200AAKX-08ERMA0320GHDD-LH162002461

SGTPharaoh4KST320DM000320GHDD-LH162001771

WDXL500SM6GWD5000AAKX-083CA1500GHDD-LH162000311

WDXL500AWD5000AAKX-08ERMA0500GHDD-LH162002471

SGTPharaoh4KST500DM002500GHDD-LH162001781

SGTGrenadaST1000DM0031TBHDD-LH162001821

WDXL1000SWD10EZEX-08RKKA01TBHDD-LH162002921

SGTGrenadaBPST1000DM0031TBHDD-LH162002931

Converterboard

C340/C440AUOConverter90000633N

C340/C440LGConverter90000634N

C340SAMSUNGConverter90000632N

Frontfunctionboard 19

C340/C440FunctionBoard90000631N

Opticaldrive

PLDSDS-8A8SH252014871

SN-208AB252011081

HLDSGT50N252016351

HLDSGT80NSlimRambow/obezel-LH252090151

PLDSDS-8A9SHSlimRambow/obezel-LH252090161

TSSTSN-208DBSlimRambow/obezel-LH252090141

Opticaldrivebracket

？？??N

60LenovoC340/440SeriesHardwareMaintenanceManual

Chapter10.Generalinformation

Thischapterprovidesgeneralinformationthatappliestoallcomputermodelscoveredbythismanual.

AdditionalServiceInformation

Thischapterprovidesadditionalinformationthattheservicerepresentativemightndhelpful.

Powermanagement

Powermanagementreducesthepowerconsumptionofcertaincomponentsofthecomputersuchasthe

systempowersupply,processor,harddiskdrives,andsomemonitors.

Advancedcongurationandpowerinterface(ACPI)BIOS

AsthiscomputerhasanACPIBIOSsystem,theoperatingsystemisallowedtocontrolthepower

managementfeaturesofthecomputerandthesettingsforAdvancedPowerManagement(APM)BIOSmode

isignored.NotalloperatingsystemssupportACPIBIOSmode.

AutomaticPower-Onfeatures

TheAutomaticPower-OnfeatureswithinthePowerManagementmenuallowyoutoenableanddisable

featuresthatturnonthecomputerautomatically.

•WakeUponAlarm:Youcanspecifyadateandtimeatwhichthecomputerwillbeturnedonautomatically.

Thiscanbeeitherasingleevent,adailyeventoraweeklyevent.

•WakeUponLAN:ThisfeatureallowsLANadaptercardtowaketheSystem.

Table of Contents

Lenovo C340 User Manual

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