Lenovo C540 User Manual

LenovoC540

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HardwareMaintenanceManual

MachineTypes:10110/6267[C540]

LenovoC540
HardwareMaintenanceManual

MachineTypes:10110/6267[C540]

SecondEdition(May2013)30th

©CopyrightLenovo2013.

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

Replacingthetouchcontrolboard.......39

RemovingtheEMIcover...........40

ReplacingtherearI/Omodule........41

ReplacingtheTVtunercard.........42

ReplacingtheWLANcard..........43

Replacingthespeakersystem........44

Replacingthesystemfan..........45

Replacingtheheat-sink...........46

Replacingthecamera............47

ReplacingtheCPU.............48

Replacingthefrontcontrolboard.......51

Replacingthepowerswitchboard.......52

Replacingthemotherboard..........53

ReplacingtheLEDpanel...........54

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

Chapter10.Generalinformation...71

AdditionalServiceInformation........71

©CopyrightLenovo2013

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ivLenovoC540HardwareMaintenanceManual

Chapter1.Aboutthismanual

ThismanualcontainsserviceandreferenceinformationforLenovoC540All-In-Onecomputerslistedonthe
cover.ItisintendedonlyfortrainedservicerswhoarefamiliarwithLenovocomputerproducts.

BeforeservicingaLenovoproduct,besuretoreadtheSafetyInformation.

ThedescriptionoftheTV-tunercardinthismanualappliesonlytocomputerswithaTV-tunercardinstalled.
ItdoesnotapplytocomputerswithoutaTV-tunercard.

ImportantSafetyInformation

BesuretoreadallCAUTIONandDANGERsectionsinthismanualbeforefollowinganyoftheinstructions.

VeuillezliretouteslesconsignesdetypeDANGERetATTENTIONduprésentdocumentavantd’exécuter
lesinstructions.

LesenSieunbedingtalleHinweisevomT yp“ACHTUNG”oder“VORSICHT”indieserDokumentation,bevor
SieirgendwelcheVorgängedurchführen

LeggereleistruzioniintrodottedaA TTENZIONEePERICOLOpresentinelmanualeprimadieseguireuna
qualsiasidelleistruzioni

Certique-sedelertodasasinstruçõesdecuidadoeperigonestemanualantesdeexecutarqualquer
umadasinstruções

Esimportantequeleatodaslasdeclaracionesdeprecauciónydepeligrodeestemanualantesdeseguir
lasinstrucciones.

©CopyrightLenovo2013

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2LenovoC540HardwareMaintenanceManual

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.T oavoid
personalinjuryorequipmentdamage,disconnectanyattachedpowercords,telecommunication
cables,networkcables,andmodemcablesbeforeyouopenthecomputercovers,unlessinstructed
otherwiseintheinstallationandcongurationprocedures.

©CopyrightLenovo2013

3

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.

4LenovoC540HardwareMaintenanceManual

–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.Y oucanusecoaxorconnector-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.

6LenovoC540HardwareMaintenanceManual

ToConnect

1.TurneverythingOFF .

2.First,attachallcablestodevices.

3.Attachsignalcablestoconnectors.

4.Attachpowercordstooutlet.

5.TurndeviceON.

ToDisconnect

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)

1

2

CAUTION:
Usesafepracticeswhenlifting.

CAUTION:
Thepowercontrolbuttononthedeviceandthepowerswitchonthepowersupplydonotturnoff
theelectricalcurrentsuppliedtothedevice.Thedevicealsomighthavemorethanonepower
cord.Toremoveallelectricalcurrentfromthedevice,ensurethatallpowercordsaredisconnected
fromthepowersource.

CAUTION:
Donotplaceanyobjectweighingmorethan82kg(180lbs.)ontopofrack-mounteddevices.

8LenovoC540HardwareMaintenanceManual

Chapter3.Generalinformation

Thischapterprovidesgeneralinformationthatappliestoallcomputermodelscoveredbythismanual.

Specications

Thissectionliststhephysicalspecicationsforyourcomputer.

Thissectionliststhephysicalspecicationsforyourcomputer.

TypeLenovoC540

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

©CopyrightLenovo2013

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10LenovoC540HardwareMaintenanceManual

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.

©CopyrightLenovo2013

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12LenovoC540HardwareMaintenanceManual

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.T ovieworchange
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.

©CopyrightLenovo2013

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AdministratorPassword

SettinganAdministratorPassworddetersunauthorizedpersonsfromchangingcongurationsettings.Y ou
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.T ypethepasswordthenpresstheEnterkey.

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

TochangeanAdministratorPassword,dothefollowing:

1.StarttheLenovoBIOSSetupUtilityprogram(see“StartingtheLenovoBIOSSetupUtilityprogram”on
page13).

2.FromtheSecuritymenu,selectSetAdministratorPasswordandpresstheEnterkey.

3.Thepassworddialogboxwillbedisplayed.T ypethecurrentpasswordthenpresstheEnterkey.

4.T ypethenewpassword,thenpresstheEnterkey.Re-typethepasswordtoconrmthenewpassword.
Ifyoutypedthenewpasswordcorrectly,thenewpasswordwillbeinstalled.ASetupNoticedconrming
thatchangeshavebeensavedwillbedisplayed.

TodeleteapreviouslysetAdministratorPassword,dothefollowing:

1.FromtheSecuritymenu,selectSetAdministratorPasswordandpresstheEnterkey.

2.Thepassworddialogboxwillbedisplayed.T ypethecurrentpasswordandpresstheEnterkey.

3.T odeleteanAdministratorPassword,leaveeachnewpasswordlineitemblank,thenpresstheEnter
key.ASetupNoticeconrmingthatchangeshavebeensavedwillbedisplayed.

4.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.

5.SelectSavechangesandExitfromthemenu.

Power-OnPassword

WhenaPower-OnPasswordisset,youcannotstarttheLenovoBIOSSetupUtilityprogramuntilavalid
passwordistypedfromthekeyboard.

Setting,changing,ordeletingaPower-OnPassword

Note:Apasswordcanbeanycombinationoflettersandnumbersupto16characters(a-zand0-9).

14LenovoC540HardwareMaintenanceManual

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.T ypethecurrentpasswordthenpresstheEnterkey.

4.T ypethenewpassword,thenpresstheEnterkey.Re-typethepasswordtoconrmthenewpassword.
Ifyoutypedthenewpasswordcorrectly,thenewpasswordwillbeinstalled.ASetupNoticedconrming
thatchangeshavebeensavedwillbedisplayed.

TodeleteapreviouslysetPower-OnPassword,dothefollowing:

1.FromtheSecuritymenu,selectSetPower-OnPasswordandpresstheEnterkey.

2.Thepassworddialogboxwillbedisplayed.T ypethecurrentpasswordandpresstheEnterkey.

3.T odeletethePower-OnPassword,leaveeachnewpasswordlineitemblank,thenpressEnter.ASetup
Noticeconrmingthatchangeshavebeensavedwillbedisplayed.

4.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.

5.SelectSavechangesandExitfromthemenu.

Enablingordisablingadevice

TheDevicesoptionsisusedtoenableordisableuseraccesstothefollowingdevices:

USBFunctionsSelectwhethertoenableordisableUSB(UniversalSerial

Bus)functions.Ifthefunctionsaredisabled,noUSB
devicescanbeused.

SATAMode

OnboardAudioControllerSelectwhethertoenableordisabletheOnboard

OnboardEthernetControllerorLANBootAgentSelectwhethertoenableordisabletheOnboardEthernet

Toenableordisableadevice,dothefollowing:

1.StarttheSetupUtilityprogram(see“StartingtheSetupUtilityprogram”onpage13).

2.FromtheSetupUtilityprogrammenu,selectDevices.

3.Selectanoptionasfollows:

WhenthisfeatureissettoDisabled,alldevices
connectedtotheSATAconnectors(e.g.harddiskdrives
ortheopticaldiskdrive)aredisabledandcannotbe
accessed.

AudioController.WhenthisfeatureissettoDisabled
alldevicesconnectedtotheaudioconnectors(e.g.
headphonesoramicrophone)aredisabledandcannot
beused.

Controller,orselectwhethertoenableordisableload
onboardPXE(PrebootExecutionEnvironment).

SelectUSBSetup,presstheEnterkey,thenselectUSBFunctions.

Chapter5.UsingtheSetupUtility15

SelectA T ADeviceSetup,presstheEnterkey,thenselectSA T AMode.

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.T urnoffyourcomputer.

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:

16LenovoC540HardwareMaintenanceManual

a.Ifyoudonotwanttosavethesettings,selectDiscardchangesandExitfromthemenu.

b.Ifyouhavechangedthesesettingsandwanttoreturntothedefaultsettings,selectLoadOptimal

Defaultsfromthemenu.

ExitingtheLenovoBIOSSetupUtilityprogram

Afteryounishviewingorchangingsettings,presstheEsckeytoreturntotheLenovoBIOSSetupUtility
programmainmenu.Y oumighthavetopresstheEsckeyseveraltimes.Dooneofthefollowing:

•Ifyouwanttosavethenewsettings,selectSavechangesandExitfromthemenu.WhentheSave&
resetwindowshows,selecttheYesbutton,andthenpresstheEnterkeytoexittheLenovoBIOS
SetupUtilityprogram.

•Ifyoudonotwanttosavethesettings,selectDiscardchangesandExitfromthemenu.Whenthe
ResetWithoutSavingwindowshows,selecttheY esbutton,andthenpresstheEnterkeytoexitthe
LenovoBIOSSetupUtilityprogram.

Chapter5.UsingtheSetupUtility17

18LenovoC540HardwareMaintenanceManual

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.

Error

Thestartupdriveisnotincludedinthebootsequence
conguration.

Nooperatingsystemisinstalledonthebootdrive.Installanoperatingsystemonthebootdrive.

Thebootsectoronthestartupdriveiscorrupted.

Thedriveisdefective.

FRU/Action

Checkthecongurationandensurethestartupdriveis
inthebootsequence.

Thedrivemustbeformatted.Dothefollowing:

1.Attempttobackupthedataonthefailingharddisk
drive.

2.Usetheoperatingsystemtoformattheharddisk
drive.

Replacetheharddiskdrive.

PowerSupplyProblems

Followtheseproceduresifyoususpectthereisapowersupplyproblem.

Check/VerifyFRU/Action

Checkthatthefollowingareproperlyinstalled:

•PowerCord

•On/OffSwitchconnector

•SystemBoardPowerSupplyconnectors

•Microprocessorconnections

Checkthepowercord.PowerCord

Checkthepower-onswitch.Power-onSwitch

Reseatconnectors

©CopyrightLenovo2013

19

POSTerrorcodes

Eachtimeyouturnthecomputeron,itperformsaseriesofteststocheckthatthesystemisoperating
correctlyandthatcertainoptionsareset.ThisseriesoftestsiscalledthePower-OnSelf- T est,orPOST.
POSTdoesthefollowing:

•Checkssomebasicmotherboardoperations

•Checksthatthememoryisworkingcorrectly

•Startsvideooperations

•Veriesthatthebootdriveisworking

POSTErrorMessageDescription/Action

Keyboarderror

RebootandSelectproperBootdeviceorInsertBoot
MediainselectedBootdevice

Cannotinitializethekeyboard.Makesurethekeyboard
isproperlyconnectedtothecomputerandthatnokeys
areheldpressedduringPOST.Topurposelycongure
thecomputerwithoutakeyboard,selectKeyboardless
operationinStartupandsettheoptiontoEnabled.The
BIOSthenignoresthemissingkeyboardduringPOST.

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.

20LenovoC540HardwareMaintenanceManual

Chapter7.Locatingconnectors,controlsandcomponents

1 2

3 7654 8 9

10

Thissectionprovidesillustrationstohelplocatethevariousconnectors,controlsandcomponentsofthe
computer.

Fontview

Thefollowingillustrationshowsthelocationofcontrolsandcomponentsonthefrontofthecomputer.

Attention:Becarefulnottoblockanyairventsonthecomputer.Blockedairventscancauseoverheating.

1.Built-inmicrophone6.Menubutton

2.Built-incamera

3.Harddiskdriveindicator8.Rightdirectionbutton

4.Wi-Fistatusindicator

5.MonitorOn/Offindicator10.Built-inIRreceiver(Onlyfunctionalonmodels

©CopyrightLenovo2013

7.Leftdirectionbutton

9.MonitorOn/Offbutton

equippedwithaIRreceivermodule)

21

Leftandrightview

1

2

3

6

5

4

7

8

Thefollowingillustrationshowsthelocationofconnectors,controlsandcomponentsontheleftandright
sideofthecomputer.

1.USBconnector

5.Memorycardreader

2.Headphoneconnector6.Powerbutton

3.Microphoneconnector

7.Opticaldriveejectbutton

4.USBconnector8.Opticaldrive

Attention:Donotinsert3-inchdiscsintotheopticaldrive.

22LenovoC540HardwareMaintenanceManual

Rearview

1 2 3 7654

8

9

Thefollowingillustrationshowsthelocationofconnectorsandcomponentsontherearofthecomputer.

1.TVtunerconnector(selectedmodelsonly,2connectors
forJapan)

2.TVtunerconnector(selectedmodelsonly,2connectors
forJapan)

3.Powerconnector

4.Ethernetconnector9.Airvents

5.USBconnector

6.USBconnector

7.HDMI-outconnector(selectedmodelsonly)

8.Securitycableslot

Chapter7.Locatingconnectors,controlsandcomponents23

Hardwarecomponents

1

2

3

6

7

8

9

10

11

14

18

16

17

15

19

20

21

22

4

5

12

13

Thefollowingillustrationshowsthecomponentsthatmakeupyourcomputer.

1.Computerstand

12.Wi-Ficard

2.Footcover13.TV- T unercard

3.Middlecover

4.EMIcover15.Heat-sink

5.Motherboard

6.Powerswitchboard17.Harddiskdriveandbay

7.Speakers18.Converterboard

8.RearI/Omodule

9.Chassis20.Opticaldrive

10.LEDpanel

11.Frontbezel22.T ouchcontrolboard

14.Systemfan

16.Camera

19.Frontfunctionboard

21.Opticaldrivebracket

24LenovoC540HardwareMaintenanceManual

Identifyingpartsonthemotherboard

1 2

3

6

7

8

9

1011121314

15

16

17

18

19

20

21

22

23

24

4

4

5

Themotherboard(sometimescalledtheplanarorsystemboard)isthemaincircuitboardinyourcomputer.
Itprovidesbasiccomputingfunctionsandsupportsavarietyofdevicesthatarefactory-installedorthat
youcaninstalllater.Thefollowingillustrationshowsthelocationofconnectorsandcomponentsonthe
frontofthemotherboard.

1.Thermalsensorheader13.TV-T unercardconnector

2.CPUandsocket14.RearI/Omoduleconnector

3.Memoryconnector

4.USBconnectors16.B-Casecardconnector

5.Headphoneconnector

6.Microphoneconnector

7.Memorycardconnector19.Harddiskdrivepowerconnector

8.Speakerconnector20.OpticaldriveSA TAconnector

9.Powerswitchboardconnector

10.Wi-Ficardconnector

11.Frontcontrolboardconnector

12.Battery

15.DC-inconnector

17.Converterboardconnector

18.HarddiskdriveSA TAconnector

21.Opticaldriverpowerconnector

22.LVDSconnector

23.Cameraconnector

24.Systemfanconnector

Chapter7.Locatingconnectors,controlsandcomponents25

26LenovoC540HardwareMaintenanceManual

Chapter8.Replacinghardware

Attention:Donotremovethecomputercoverorattemptanyrepairbeforereadingthe“Importantsafetyinformation”

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

Note:UseonlypartsprovidedbyLenovo.

Generalinformation

Pre-disassemblyinstructions

Beforestartingthedisassemblyprocedure,makesurethatyoudothefollowing:

1.T urnoffthepowertothesystemandallperipherals.

2.Unplugallpowerandsignalcablesfromthecomputer.

3.Placethesystemonaat,stablesurface.

©CopyrightLenovo2013

27

Replacingthekeyboardandmouse

Note:Y ourkeyboardwillbeconnectedtoaUSBconnectorateithersideorattherearofthecomputer.

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:T urnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

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

system,andturnoffthecomputerandallattacheddevices.

28LenovoC540HardwareMaintenanceManual

Step2.Disconnecttheadaptercablefromthecomputer1,thenunplugthepowercordfromelectrical

outlet.2

Step3.Connectthenewadapterasshown.12

Chapter8.Replacinghardware29

Removingthestandbase

Attention:T urnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

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:T urnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

30LenovoC540HardwareMaintenanceManual

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:T urnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

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.

32LenovoC540HardwareMaintenanceManual

Replacingtheharddiskdrive

1

1

Attention:T urnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

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:T urnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

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”.

34LenovoC540HardwareMaintenanceManual

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.

36LenovoC540HardwareMaintenanceManual

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.Removethesevenscrewsthatsecurethemiddlecovertothechassis,thenliftupthemiddlecover

fromtheleftside(opticaldriveside)toremovethemiddlecover.

Chapter8.Replacinghardware37

Step9.Toreattachthemiddlecover:

a.Lineupthemiddlecoverwithchassis,thenplacethemiddlecoverback.

b.Securethemiddlecovertothechassiswiththesevenscrews.

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” .

38LenovoC540HardwareMaintenanceManual

Step9.Disconnectthetwocablesfromtheconverter,andthenremovethescrewthatsecuresthe

converterboardtothechassis.

Step10.Liftupthenslideouttheconverterboardtoremoveit.

Step11.Toinstallthenewconverterboard:

a.Lineuptheholesonthenewconverterboardwiththemountingholesonthechassisand

secureitwiththescrew.

b.Connectthetwocablestothenewconverterboard.

Step12.Reattachthemiddlecover,opticaldrive,standholder,footcoverandstandbase.

Replacingthetouchcontrolboard

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches
orotherdamage.

Toreplacethetouchcontrolboard:

Note:ThefollowinginstructionsareforC540touchmodelsonly.

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.Disconnectthefourcablesfromtheconverter1234,andthenremovethethreescrewsthat

1

2

3

4

securethetouchcontrolboardtothechassis.

Step10.Liftupthetouchcontrolboardtoremoveit.

Step11.Toinstallthenewtouchcontrolboard:

a.Lineuptheholesonthenewtouchcontrolboardwiththemountingholesonthechassis

andsecureitwiththethreescrews.

b.Connectthefourcablestothenewtouchcontrolboard.

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” .

40LenovoC540HardwareMaintenanceManual

Step9.RemovethesevenscrewsthatsecuretheEMIcovertothechassis,andthenliftitup.

Step10.ToreattachtheEMIcover:

a.LineuptheholesontheEMIcoverwithmountingholesonthechassis,thenplaceEMIcover

backintoposition.

b.SecuretheEMIcovertothechassiswithsevenscrews.

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”.

Chapter8.Replacinghardware41

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”.

42LenovoC540HardwareMaintenanceManual

Step8.Removethemiddlecover.Referto“Removingthemiddlecover” .

Step9.RemovetheEMIcover.Referto“RemovingtheEMIcover”.

Step10.DisconnecttheantennacablefromtheTV- T unercard.

Step11.RemovethescrewthatsecurestheTV-Tunercardtothemotherboard.

Step12.PulltheTV- T unercardupwardtoremoveitfromthecardportonthemotherboard.

Step13.ToinstallthenewTV- T unercard:

a.InsertthenotchedendoftheTV- Tunercardintothecardportonthemotherboard.

b.SecurenewtheTV- T unercardtothemotherboardwiththescrew.

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”.

Chapter8.Replacinghardware43

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”.

44LenovoC540HardwareMaintenanceManual

Step10.Disconnectthespeakercablesfromtheconnectoronthemotherboard.1

1

2

2

2

3

3

Step11.Removethefourrubberscrewsthatsecurethespeakersystemtothechassis2,thenliftup

thespeakersystemtoremoveit.3

Step12.Toinstallthenewspeakersystem:

a.Placethenewspeakersystemintoposition,thensecureitwiththerubberscrews.

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.

Chapter8.Replacinghardware45

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.

46LenovoC540HardwareMaintenanceManual

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” .

Chapter8.Replacinghardware47

Step9.RemovetheEMIcover.Referto“RemovingtheEMIcover”.

1

2

Step10.Removetheheat-sink.Referto“Replacingtheheatsink” .

Step11.Removethescrewthatsecurescameratothefrontbezel.

Step12.Liftupthecameraanddisconnectthedatacablefromthecamera.

Step13.Removethetwoscrewsthatsecurethecameratothebracket,thenputasidethebracket.

Step14.Toinstallthenewcamera:

a.Lineupthenewcamerawiththebracket,thensecurethecameratothebracketwiththe

twoscrews.

b.Connectthedatacabletothenewcamera.

c.Lineuptheholesinthenewcamerawiththemountingholesonthefrontbezelandsecureit

withthescrew.

Step15.Reattachtheheat-sink,EMIcover,middlecover,opticaldrive,standholder,footcoverandstand

base.

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” .

48LenovoC540HardwareMaintenanceManual

Step5.Removethefootcover.Referto“Removingthefootcover”.

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.

Chapter8.Replacinghardware49

Step13.Holdingthesidesofthemicroprocessorwithyourngers,removetheprotectivecover1that

protectsthegoldcontactsonthenewmicroprocessor.2

Step14.Holdingthesidesofthemicroprocessorwithyourngers,positionthemicroprocessorsothatthe

notchesonthemicroprocessorarealignedwiththetabsinthemicroprocessorsocket.

Important:T oavoiddamagingthemicroprocessorcontacts,keepthemicroprocessorcompletelylevel
whileinstallingitintothesocket.

Step15.Lowerthemicroprocessorstraightdownintoitssocketonthemotherboard.

Step16.Tosecurethemicroprocessorinthesocket,closethemicroprocessorretainerandlockitinto

positionwiththesmallhandle.

Step17.Useathermalgreasesyringetoplace5dropsofgreaseonthetopofthemicroprocessor.Each

dropofgreaseshouldbe0.03ml(3tickmarksonthegreasesyringe).

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

base.

50LenovoC540HardwareMaintenanceManual

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.Removethescrewthatsecuresthefrontcontrolboardtothefrontbezel,

Step12.Disconnectthedatacablefromthefrontcontrolboard,thenliftupthefrontcontrolboard.

Step13.Toinstallthenewfrontcontrolboard:

a.Connectthedatacabletothenewfrontcontrolboard.

b.Lineupthenewfrontcontrolboardwiththefrontbezel,thenplaceitintoposition.

c.Securethefrontcontrolboardwiththescrew.

Chapter8.Replacinghardware51

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.

52LenovoC540HardwareMaintenanceManual

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)

•OpticaldriveSA T Acable(Red)

•Opticaldiskdrivepowercable

•LVDScable

Chapter8.Replacinghardware53

Step17.Removethevescrewsthatsecurethemotherboardtothechassisandliftthemotherboard

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.

54LenovoC540HardwareMaintenanceManual

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.

Step15.RemovethetwoscrewsthatsecuretheLEDpaneltothechassis.

Step16.DisconnecttheconvertercableandLVDScablefromtheconnectorsontheLEDpanel.

Step17.LiftupthechassistoseparatetheLEDpanelfromthechassis.

Step18.ToinstallthenewtheLEDpanel:

a.LineupthechassiswithnewLEDpanel,andthensecurethenewLEDpaneltothechassis

withthetwoscrews.

b.ConnecttheconvertercableandLVDScabletothenewLEDpanel.

c.Lineupthechassiswiththefrontbezel,andthenplacethechassisintoposition.

d.Securethechassistothefrontbezelwiththeninescrews.

e.Reconnectallthecameraandpowerswitchboardcablestotheconnectorsonthe

motherboard.

f.Reconnectthefrontcontrolboardcablebacktotheconnectoronfrontcontrolboard.

Chapter8.Replacinghardware55

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

footcoverandstandbase.

56LenovoC540HardwareMaintenanceManual

Chapter9.FRUlists

1

2

3

6

7

8

9

10

11

14

18

16

17

15

19

20

21

22

4

5

12

13

Thischapterliststheinformationontheeldreplaceableunits(FRUs).

Attention:BesuretoreadandunderstandallthesafetyinformationbeforereplacinganyFRUs.

Notes:FRUsthathavea1or2intheCRUcolumnareCustomerReplaceableUnits(CRUs).

•1–identiespartsthatarefairlysimpletoreplace,requiringfewornotools.

•2–identiespartsthatareslightlymoredifculttoreplace.

•N-identiespartsthatarenottobereplacedbythecustomer.

PartItemPartItem

PartDescription(English)LENOVO

CRU

PN

ID

©CopyrightLenovo2013

57

HeatsinkHeatsink

SystemFanSystemFan

SpeakerSpeakerC540Speaker（L+R）

MainboardMainboard

C540AVCUMAHeatSink

C540CoolermasterUMAHeatSink

C540AVCDISHeatSink

C540CoolermasterDISHeatSink

C540AVCFan

C540DeltaFan

C540TOUCHNOKUMAW/USB3.0MB

C540TOUCHNOKUMAW/OUSB3.0MB

C540TOUCHNOK512M_GPUW/USB3.0MB

C540TOUCHNOK512M_GPUW/OUSB3.0
MB

C540TOUCHNOK1G_GPUW/USB3.0MB

C540TOUCHNOK1G_GPUW/OUSB3.0MB

C540TOUCHNOK2G_GPUW/USB3.0MB

C540TOUCHNOK2G_GPUW/OUSB3.0MB

C540TOUCHW8PUMAW/USB3.0MB

C540TOUCHW8PUMAW/OUSB3.0MB

C540TOUCHW8P512M_GPUW/USB3.0MB

C540TOUCHW8P512M_GPUW/OUSB3.0
MB

C540TOUCHW8P1G_GPUW/USB3.0MB

C540TOUCHW8P1G_GPUW/OUSB3.0MB

C540TOUCHW8P2G_GPUW/USB3.0MB

C540TOUCHW8P2G_GPUW/OUSB3.0MB

C540TOUCHW8SUMAW/USB3.0MB

C540TOUCHW8SUMAW/OUSB3.0MB

C540TOUCHW8S512M_GPUW/USB3.0MB

C540TOUCHW8S512M_GPUW/OUSB3.0
MB

C540TOUCHW8S1G_GPUW/USB3.0MB

C540TOUCHW8S1G_GPUW/OUSB3.0MB

C540TOUCHW8S2G_GPUW/USB3.0MB

C540TOUCHW8S2G_GPUW/OUSB3.0MB

90201925N

90201926N

90201927N

90201928N

90201929N

90201930N

90201931N

90002689N

90002690N

90002691N

90002692N

90002693N

90002694N

90002695N

90002696N

90002697N

90002698N

90002699N

90002700N

90002701N

90002702N

90002703N

90002704N

90002705N

90002706N

90002707N

90002708N

90002709N

90002710N

90002711N

90002712N

58LenovoC540HardwareMaintenanceManual

Cable

Converter
board

Other
Boards

LCD
Module

FFCC540TOUCHCONTROLBOARDFFCLOW

FFCC540TOUCHCONTROLBOARDFFCTOPL

FFCC540TOUCHCONTROLBOARDFFCTOPR

TouchControl

C540T ouchControlBoardCable

BoardCable

ConverterBoard

C540CONVERTCABLETOMB

Cable

C540CONVERTCABLETOP ANEL(SAM)

C540CONVERTCABLETOP ANEL(LG)

C540CONVERTCABLETOPANEL(CMI)

LVDSCableC540LVDSCABLE

TV-TUNERCable

C540TVJUMPCABLEFTYPE

C540TVJUMPCABLEPTYPE

WLANAntenna

OtherCable

C540TOUCHWLANANTENNA

C540DC-INCABLE

C540HDDCABLE

C540ODDCABLE

C540TOUCHCAMERACABLE

C540TOUCHFUNCTIONBOARDCABLE

C540TOUCHLEDPOWERBOARDCABLE

Converterboard

C540CONVERTBOARDFORSAM

C540CONVERTBOARDFORLG

C540CONVERTBOARDFORCMI

OtherBoards

C540LEDPOWERBOARDW/SWTV

C540LEDPOWERBOARDW/OSWTV

C540FUNCTIONBOARD

C540IOBOARDW/HDMI_OUT

C540IOBOARDWO/HDMI_OUT

LCDModule

C540TOUCHLCDMODULEFORSAM(GY)

C540TOUCHLCDMODULEFORLG(GY)

C540TOUCHLCDMODULEFORCMI(GY)

C540TOUCHLCDMODULEFORSAM(BK)

C540TOUCHLCDMODULEFORLG(BK)

C540TOUCHLCDMODULEFORCMI(BK)

90202649N

90202650N

90202651N

90002862N

90202109N

90202110N

90202111N

90202112N

90202116N

90202105N

90202106N

90202630N

90202104N

90202107N

90202108N

90202628N

90202629N

90202633N

90001757N

90001758N

90001759N

90001760N

90001761N

90001762N

90001844N

90001845N

90400119N

90400120N

90400121N

90400150N

90400151N

90400152N

Chapter9.FRUlists59

'Mechanical'Mechanical

C540TOUCHSLIDECOVER(BK)

C540TOUCHSLIDECOVER(WH)

C540STAND(BOTTOM)

C540TOUCHST AND(TOP)

C540TOUCHBCW/TV_HDMIW/OODD(BK)

C540TOUCHBCW/TV_HDMIW/OODD(WH)

C540TOUCHBCW/OTV_HDMI_ODD(BK)

C540TOUCHBCW/OTV_HDMI_ODD(WH)

C540TOUCHBCW/HDMI_ODDW/OTV(BK)

C540TOUCHBCW/HDMI_ODDW/OTV(WH)

C540TOUCHBCW/TV_HDMI_ODD(BK)

C540TOUCHBCW/TV_HDMI_ODD(WH)

C540TOUCHBCW/TV_ODDW/OHDMI(BK)

C540TOUCHBCW/TV_ODDW/OHDMI(WH)

C540TOUCHBCW/TVW/OHDMI_ODD(BK)

C540TOUCHBCW/TVW/OHDMI_ODD(WH)

C540TOUCHBCW/HDMIW/OTV_ODD(BK)

C540TOUCHBCW/HDMIW/OTV_ODD(WH)

C540TOUCHBCW/OTV_HDMIW/ODD(BK)

C540TOUCHBCW/OTV_HDMIW/ODD(WH)

C540TOUCHODDHOSUING

C540ODDLATCHMETAL

C540ODDLATCHSPRING

C540ODDLATCHPLASTIC

C540TOUCHEMISHIELDING

C540HDDHOSUING

C540REARIOSHIEDLING

C540TOUCHMAINFRAMEFORSAM

C540TOUCHMAINFRAMEFORLG/CMI

C540TOUCHFRONTBEZEL(BK)

C540TOUCHFRONTBEZEL(WH)

C540TOUCHODDBEZEL(WH)

C540TOUCHMIDDLEFRAME

C540TOUCHODDBEZEL(BK)

902026191

902026201

902020881

902032832

90202621N

90202622N

90202634N

90202635N

90202636N

90202637N

90202638N

90202639N

90202640N

90202641N

90202642N

90202643N

90202644N

90202645N

90202646N

90202647N

90202623N

90202093N

90202094N

90202095N

90202750N

90202097N

90202098N

90202624N

90202625N

90202626N

90202627N

90202631N

90202648N

90202632N

60LenovoC540HardwareMaintenanceManual

CPUCPU

RAM

IG5402.5/1066/2/115565Q0CPU

IICPG5502.6/1066/2/1155/65Q0CPU®

IG550T2.2/1066/2/115535Q0CPU®

IG16102.6/1333/2/115555CPU

IG1610T2.3/1333/2/115535CPU

IG540T2.1/1066/2/1155/35Q0CPU(R)

IG6452.9/1066/3/115565Q0CPU

IG20303.0/1333/3/115555CPU

IG2030T2.6/1333/3/115535CPU

IG20202.9/1333/3/115555CPU

IG2020T2.5/1333/3/115535CPU

IG645T2.5/1066/2.5/115535Q0CPU®

II3-32403.4/1600/3/115555L1CPU

II3-3240T3/1600/3/115535L1CPU®

II3-3220T2.8/1600/3/115535L1CPU®

II3-32203.3/1600/3/115555L1CPU

II3-21303.4/1333/3/115565Q0CPU

II5-3330S2.7/1600/6/115565E1CPU

Ii7-3770S3.1G/1600/8/1155/65CPU®

2GB

M471B5773DH0-CK0

HMT325S6CFR8C-PB

MT8KTF25664HZ-1G6M1

Elp_RJ2108BDBG-GN-F2GBD3-1600S

1100088N

1100539N

1100594N

1100689N

1100691N

1100538N

1100578N

1100857N

1100858N

1100688N

1100690N

1100595N

1100454N

1100485N

1100484N

1100456N

1100102N

1100394N

1100419N

11002262

11002272

11002282

11004252

Memory

Elp_RJ2108EDBG-GN-F2GBD3L -1600S

11007502

Memory

HMT425S6AFR6A-PB2GBD3L-1600S

11006432

Memory-HF

Mic_SD9PF J2GBD3-1600SMemory

4GB

M471B5273DH0-CK0

HMT351S6CFR8C-PB

MT16KTF51264HZ-1G6M1

Elp_RJ2108BDBG-GN-F4GBD3-1600S

11006462

11002302

11002312

11002322

11004262

Memory

HMT451S6AFR8A-PB4GBD3L-1600S

11006382

Memory-HF

M471B5173BH0-YK04GBD3L-1600SMemory

Elp_RJ4208EBBG-GN-F4GBD3L -1600S

11008562

11006402

Memory

Mic_SD9PF J4GBD3-1600SMemory

4GB(2*2G)

M471B5773DH0-CK0

HMT325S6CFR8C-PB

11006412

11002262

11002272

Chapter9.FRUlists61

MT8KTF25664HZ-1G6M1

Elp_RJ2108BDBG-GN-F2GBD3-1600S
Memory

Elp_RJ2108EDBG-GN-F2GBD3L -1600S
Memory

HMT425S6AFR6A-PB2GBD3L-1600S
Memory-HF

Mic_SD9PF J2GBD3-1600SMemory

6GB(2G+4G)

8GB(2*4G)

8GB(1*8G)

512MBDDR3

1GBDDR3

M471B5773DH0-CK0

M471B5273DH0-CK0

HMT325S6CFR8C-PB

HMT351S6CFR8C-PB

MT8KTF25664HZ-1G6M1

MT16KTF51264HZ-1G6M1

Elp_RJ2108BDBG-GN-F2GBD3-1600S
Memory

Elp_RJ2108BDBG-GN-F4GBD3-1600S
Memory

HMT425S6AFR6A-PB2GBD3L-1600S
Memory-HF

HMT451S6AFR8A-PB4GBD3L-1600S
Memory-HF

Mic_SD9PF J2GBD3-1600SMemory

Mic_SD9PF J4GBD3-1600SMemory

M471B5273DH0-CK0

HMT351S6CFR8C-PB

MT16KTF51264HZ-1G6M1

Elp_RJ2108BDBG-GN-F4GBD3-1600S
Memory

HMT451S6AFR8A-PB4GBD3L-1600S
Memory-HF

Mic_SD9PF J4GBD3-1600SMemory

M471B1G73BH0-YK0

HMT41GS6AFR8A-PB

MT16KTF1G64HZ-1G6E1

Elp_RJ4208EBBG-GN-F8GBD3-1600S

HynixH5TQ1G63DFR-11CDDR364*16
900Mhz

HYH5TQ1G63EFR-11C1Gb900MhzDDR3

SamsungK4W1G1646G-BC11DDR364*16
900Mhz

HynixH5TQ1G63DFR-11CDDR364*16
900Mhz

11002282

11004252

11007502

11006432

11006462

11002262

11002302

11002272

11002312

11002282

11002322

11004252

11004262

11006432

11006382

11006462

11006412

11002302

11002312

11002322

11004262

11006382

11006412

11006332

11006342

11006352

11006362

10074182

11006212

10074202

10074182

62LenovoC540HardwareMaintenanceManual

1GBDDR3

2GBDDR3HynH5TQ2G63DFR-11CDDR32GRAM

2GBDDR3

HDD

250G

500G

1T

2T

ODDODD

Power
adapter

150W

WiCardWiCard

SamsungK4W1G1646G-BC11DDR364*16
900Mhz

HynH5TQ2G63DFR-11CDDR32GRAM

MicMT41J128M16JT-107G:KgDDR32G
900Mhz

SSK4W2G1646E-BC11DDR32GRAM

SSK4W2G1646E-BC11900Mhz

MT41J128M16JT-107G:K900Mhz

HYH5TQ2G63DFR-11C900Mhz

SSK4W4G1646B-HC114Gb900MhzgDDR3

MicMT41K256M16HA-107G:E4Gb900Mhz
gDDR3

H5TC4G63AFR-11C

WDXL500AWD2500AAKX-08ERMA0250G
HDD-LH

SGTPharaoh4KST250DM000250GHDD-LH

WDXL500A6GWD5000AAKX-08ERMA0

SGTPharaoh4KST500DM002500GHDD-LH

SGTGrenadaST1000DM0031TBHDD-LH

SeagateGrenadaBPST1000DM003

3.5inchSATA6G7.2KGrenadaBP1.51TB

WDXL1000SWD10EZEX-08RKKA0

GrenadaBPST2000DM0012TBHDD-LH

3.5inchSATA6G7.2KGrenadaBP1.52TB

SGTGrenadaST2000DM0012TBHDD-LH

PLDSDS-8A8SH

SONYOptiarcAD-7740H

SN-208DB

HLDSGT50N

PLDSDS-8A9SH

HLDSGT80N

DeltaADP-120ZBBBGP120WADAPTER(R)

LITEONP A-1121-04LA120WADAPT®

LITEONP A-1151-11VA150WADAPTER

FSP150-RAB150WADAPTERADAPT®

CBTAR948511nSBHMCWiFicard(wowl)

LTNRTL8188CE11nSBHMCWiFicard(wowl)

10074202

11003232

11005862

11003212

11003212

11005862

11003232

11003232

11006752

11006772

11008972

162002452

162001762

162002472

162001782

162001822

162002932

162005282

162002922

162002942

162005292

162001842

252014872

252011062

252090142

252016352

252090162

252090152

360018571 120W

362002261

360018751

360018761

11200354N

11200352N

Chapter9.FRUlists63

TVCard

Controller

CameraCamera

TouchpadWirelesstouchpad

Keyboard

DVB-T

ATSC

RemoteController

USBKeyboard

AvermediaH339BBDVB- TMiniTVCard

AvermediaH334DVB-TMiniTVCard

AvermediaH339BAATSCMiniTVCard

AvermediaH334ATSCMiniTVCard

PhilipsWin8IRremotecontroller--White8889000071 Remote

PhilipsWin8IRremotecontroller--Black8889000061

BisonM720PVCOV9712CAM

CCYM720PVCOV9712CAM

ChiconyTGR12262.4GtouchpadBLACK

ChiconyTGR12262.4GtouchpadBLACK

ChiconyTGR12262.4GtouchpadWHITE

SunrexEKB-10YA(US)B-SilkUSBKB-LVT8

PrimaxKB4721(US)B-SilkUSBKB-LVT8

SunrexEKB-10YA(TW)B-SilkUSBKB-LVT8

SunrexEKB-10YA(TH)B-SilkUSBKB-LVT8

SunrexEKB-10YA(CZ-SL)B-SUSBKB-LVT8

SunrexEKB-10YA(IN)B-SilkUSBKB-LVT8

SunrexEKB-10YA(RU)B-SilkUSBKB-LVT8

SunrexEKB-10YA(UK)B-SilkUSBKB-LVT8

SunrexEKB-10YA(Nordic)B-SUSBKB-LVT8

SunrexEKB-10YA(LA)B-SilkUSBKB-LVT8

SunrexEKB-10YA(AR)B-SilkUSBKB-LVT8

SunrexEKB-10YA(SW)B-SilkUSBKB-LVT8

SunrexEKB-10YA(GE)B-SilkUSBKB-LVT8

SunrexEKB-10YA(TR)B-SilkUSBKB-LVT8

SunrexEKB-10YA(SP)B-SilkUSBKB-LVT8

SunrexEKB-10YA(SL)B-SilkUSBKB-LVT8

SunrexEKB-10YA(IT)B-SilkUSBKB-LVT8

SunrexEKB-10YA(HB)B-SilkUSBKB-LVT8

SunrexEKB-10YA(FR)B-SilkUSBKB-LVT8

SunrexEKB-10YA(GK)B-SilkUSBKB-LVT8

SunrexEKB-10YA(HG)B-SilkUSBKB-LVT8

SunrexEKB-10YA(BG)B-SilkUSBKB-LVT8

SunrexEKB-10YA(HR)B-SilkUSBKB-LVT8

SunrexEKB-10YA(JP)B-SilkUSBKB-LVT8

SunrexEKB-10YA(EN-FR)B-SUSBKB-LVT8

SunrexEKB-10YA(PT)B-SilkUSBKB-LVT8

SunrexEKB-10YA(BE-EN)B-SUSBKB-LVT8

SunrexEKB-10YA(DU)B-SUSBKB-LVT8

SunrexEKB-10YA(US)B-SilkUSBKB-OKE8

11200290N

11201071N

11200291N

11201072N

20200085N

20200086N

252107891

252129691

252129701

252091111

252091121

252091141

252091151

252091161

252091171

252091181

252091191

252091201

252091211

252091221

252091231

252091241

252091251

252091261

252091271

252091281

252091291

252091301

252091311

252091321

252091331

252091341

252091351

252091361

252091371

252091381

252091391

252091401

64LenovoC540HardwareMaintenanceManual

WirelessKeyboard

PrimaxKB4721(US)B-SilkUSBKB-OKE8

ChiconyKU-1153B-SilkUSBKB-OKE8

SunrexEKB-10YA(US)B-SUSBKB-LVT8LH

SunrexEKB-10YA(US)B-SUSBKB-OKE8LH

SunrexEKB-10YA(US)W-SilkUSBKB-LVT8

PrimaxKB4721(US)W-SilkUSBKB-LVT8

SunrexEKB-10YA(TW)W-SilkUSBKB-LVT8

SunrexEKB-10YA(TH)W-SilkUSBKB-LVT8

SunrexEKB-10YA(CZ-SL)W-SUSBKB-LVT8

SunrexEKB-10YA(IN)W-SilkUSBKB-LVT8

SunrexEKB-10YA(RU)W-SilkUSBKB-LVT8

SunrexEKB-10YA(UK)W-SilkUSBKB-LVT8

SunrexEKB-10YA(Nordic)W-SUSBKB-LVT8

SunrexEKB-10YA(LA)W-SilkUSBKB-LVT8

SunrexEKB-10YA(AR)W-SilkUSBKB-LVT8

SunrexEKB-10YA(SW)W-SilkUSBKB-LVT8

SunrexEKB-10YA(GE)W-SilkUSBKB-LVT8

SunrexEKB-10YA(TR)W-SilkUSBKB-LVT8

SunrexEKB-10YA(SP)W-SilkUSBKB-LVT8

SunrexEKB-10YA(SL)W-SilkUSBKB-LVT8

SunrexEKB-10YA(IT)W-SilkUSBKB-LVT8

SunrexEKB-10YA(HB)W-SilkUSBKB-LVT8

SunrexEKB-10YA(FR)W-SilkUSBKB-LVT8

SunrexEKB-10YA(GK)W-SilkUSBKB-LVT8

SunrexEKB-10YA(HG)W-SilkUSBKB-LVT8

SunrexEKB-10YA(BG)W-SilkUSBKB-LVT8

SunrexEKB-10YA(HR)W-SilkUSBKB-LVT8

SunrexEKB-10YA(JP)W-SilkUSBKB-LVT8

SunrexEKB-10YA(EN-FR)W-SUSBKB-LVT8

SunrexEKB-10YA(PT)W-SilkUSBKB-LVT8

SunrexEKB-10YA(BE-EN)W-SUSBKB-LVT8

SunrexEKB-10YA(DU)W-SUSBKB-LVT8

SunrexEKB-10YA(US)W-SilkUSBKB-OKE8

PrimaxKB4721(US)W-SilkUSBKB-OKE8

LiteonSK-8861(US)2.4GKB-Black8

LiteonSK-8861(US-MY)2.4GKB-Black8

LiteonSK-8861(TW)2.4GKB-Black8

LiteonSK-8861(TH)2.4GKB-Black8

LiteonSK-8861(CS-SK)2.4GKB-Black8

LiteonSK-8861(US-IN)2.4GKB-Black8

252091411

252091421

252091431

252091441

252091451

252091461

252091471

252091481

252091491

252091501

252091511

252091521

252091531

252091541

252091551

252091561

252091571

252091581

252091591

252091601

252091611

252091621

252091631

252091641

252091651

252091661

252091671

252091681

252091691

252091701

252091711

252091721

252091731

252091741

252091752

252091762

252091772

252091782

252091792

252091802

Chapter9.FRUlists65

LiteonSK-8861(RU)2.4GKB-Black8

LiteonSK-8861(GB)2.4GKB-Black8

LiteonSK-8861(Nordic)2.4GKB-Black8

LiteonSK-8861(LA)2.4GKB-Black8

LiteonSK-8861(LA-AR)2.4GKB-Black8

LiteonSK-8861(SA)2.4GKB-Black8

LiteonSK-8861(CH)2.4GKB-Black8

LiteonSK-8861(DE)2.4GKB-Black8

LiteonSK-8861(TR)2.4GKB-Black8

LiteonSK-8861(ES)2.4GKB-Black8

LiteonSK-8861(SL)2.4GKB-Black8

LiteonSK-8861(IT)2.4GKB-Black8

LiteonSK-8861(IL)2.4GKB-Black8

LiteonSK-8861(FR)2.4GKB-Black8

LiteonSK-8861(GR)2.4GKB-Black8

LiteonSK-8861(HU)2.4GKB-Black8

LiteonSK-8861(BG)2.4GKB-Black8

LiteonSK-8861(KR)2.4GKB-Black8

LiteonSK-8861(JP)2.4GKB-Black8

LiteonSK-8861(EN-FR)2.4GKB-Black8

LiteonSK-8861(PT)2.4GKB-Black8

LiteonSK-8861(BE-EN)2.4GKB-Black8

LiteonSK-8861(DU)2.4GKB-Black8

LiteonSK-8861(US)2.4GKB-White8

LiteonSK-8861(US-MY)2.4GKB-White8

LiteonSK-8861(TW)2.4GKB-White8

LiteonSK-8861(TH)2.4GKB-White8

LiteonSK-8861(CS-SK)2.4GKB-White8

LiteonSK-8861(US-IN)2.4GKB-White8

LiteonSK-8861(RU)2.4GKB-White8

LiteonSK-8861(GB)2.4GKB-White8

LiteonSK-8861(Nordic)2.4GKB-White8

LiteonSK-8861(LA)2.4GKB-White8

LiteonSK-8861(LA-AR)2.4GKB-White8

LiteonSK-8861(SA)2.4GKB-White8

LiteonSK-8861(CH)2.4GKB-White8

LiteonSK-8861(DE)2.4GKB-White8

LiteonSK-8861(TR)2.4GKB-White8

LiteonSK-8861(ES)2.4GKB-White8

LiteonSK-8861(SL)2.4GKB-White8

252091812

252091822

252091832

252091842

252091852

252091862

252091872

252091882

252091892

252091902

252091912

252091922

252091932

252091942

252091952

252091962

252091972

252091982

252091992

252092002

252092012

252092022

252092032

252109872

252109882

252109892

252109902

252109912

252109922

252109932

252109942

252109952

252109962

252109972

252109982

252109992

252110002

252110012

252110022

252110032

66LenovoC540HardwareMaintenanceManual

Mouse

USBMouse

WirelessMouse

PowerCordPowerCord

LiteonSK-8861(IT)2.4GKB-White8

LiteonSK-8861(IL)2.4GKB-White8

LiteonSK-8861(FR)2.4GKB-White8

LiteonSK-8861(GR)2.4GKB-White8

LiteonSK-8861(HU)2.4GKB-White8

LiteonSK-8861(BG)2.4GKB-White8

LiteonSK-8861(KR)2.4GKB-White8

LiteonSK-8861(JP)2.4GKB-White8

LiteonSK-8861(EN-FR)2.4GKB-White8

LiteonSK-8861(PT)2.4GKB-White8

LiteonSK-8861(BE-EN)2.4GKB-White8

LiteonSK-8861(US-EU)2.4GKB-White8

LiteonLXH-SM-8825BlackSilkMouse-LVT

ChiconyLXH-MSU-1111BlackSilkMouse-LVT

SunrexLXH-EMS-10ZABlackSilkMouse-LVT

LiteonLXH-SM-8825W-SilkMouse

SunrexLXH-EMS-10ZAW-SilkMouse

LiteonSM-8861(WW)MouseBlack

LiteonSM-8861Mouse(NoBattery)Black

LiteonSM-8861Mouse(MY)Black

LiteonSM-8861(JP)Mouse-Black

LiteonSM-8861(WW)2.4GMouseWhite

LiteonSM-88612.4GMouse(NoBattery)WTE

LiteonSM-88612.4GMouse(MY)White

LiteonSM-88612.4GMouse(JP)White

longwellBlackSingle-end1.0m3wireULCSA
PowerCable

Volex1mC5USPowerCable

Luxshare1.0mC5USPowerCable

longwellBlackSingle-end1.0mSAAPower
Cable

Volex1mC5AustraliaPowerCable

Luxshare1.0mC5AustraliaPowerCable

Longwell1.0MC52pinJapanpowercord

Volex1.0MC52pinJapanpowercord

Luxshare1.0MC52pinJapanpowercord

GrandsunBlackSingle-end1.0m3wireCCC
PowerCable(R)

Luxshare1.0MC5CCCPowerCable

Volex1mC5UKPowerCable

Luxshare1.0mC5UKPowerCable

252110042

252110052

252110062

252110072

252110082

252110092

252110102

252110112

252110122

252110132

252110142

252110152

252005281

252005291

252005301

252010681

252013221

252034642

252034652

252034662

252057732

252110162

252110172

252110182

252110192

310338571

310338581

310495171

310353971

310495001

310495201

315034231

315034241

315034251

310329531

310451471

310494961

315033521

Chapter9.FRUlists67

longwellBlackSingle-end1.0mAST APower
Cable

longwellBlackSingle-end1.0mVDEPower
Cable

Volex1mC5EuropePowerCable

Luxshare1.0mC5EuropePowerCable

Luxshare1.0mC5IndiaPowerCable

longwellBlackSingle-end1.0mIndiaPower
Cable

LongwellBlackSingle-end1.0mItalyC5Power
Cable®

Luxshare1.0mC5ItalyPowerCable

Volex1mC5ItalyPowerCable

LongwellBlackSingle-end1.0mBrazilPower
Cable®

Luxshare1.0mC5BrazilPowerCable

Volex1mC5BrazilPowerCable

LongwellBlackSingle-end1.0mArgentinaC5
PowerCable®

Luxshare1.0mC5LAUSPowerCable

Volex1mC5LAUSPowerCable

LongwellBlackSingle-end1.0mDenmarkC5
PowerCable®

Luxshare1.0mC5DenmarlPowerCable

Volex1mC5DenmarlPowerCable

LongwellBlackSingle-end1.0mSwitzerlandC5
PowerCable®

Luxshare1.0mC5SwitzerlandPowerCable

Volex1mC5SwitzerlandPowerCable

LongwellBlackSingle-end1.0mIsraelC5
PowerCable®

Luxshare1.0mC5IserealPowerCable

Volex1mC5IsraelPowerCable

LongwellBlackSingle-end1.0mTaiwanC5
PowerCable®

Luxshare1.0mC5TaiwanPowerCable

Volex1mC5T aiwanPowerCable

LongwellBlackSingle-end1.0mKoreaC5
PowerCable®

Luxshare1.0mC5KoreaPowerCable

Volex1mC5KoreaPowerCable

LongwellBlackSingle-end1.0mSAC5Power
Cable®

Luxshare1.0mC5SAPowerCable

310353961

310353321

310494971

310495181

315033531

310353951

310391041

315033591

310495041

310358281

315033571

310495051

310391001

315033561

310495071

310391011

315033601

310495031

310391031

315033611

310495081

310391071

315033621

310495021

310388851

315033541

310494991

310391061

315033581

310494981

310391051

315033551

68LenovoC540HardwareMaintenanceManual

Volex1mC5SAPowerCable

310495011

Chapter9.FRUlists69

70LenovoC540HardwareMaintenanceManual

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.

©CopyrightLenovo2013

71