Lenovo W541 Technical Information

HardwareMaintenanceManualThinkPadT540p,W540,andW541

–Whenworkingonadouble-insulatedorbattery-operatedsystem,useanESDcommongroundorreferencepoint.Y oucanusecoaxorconnector-outsideshellsonthesesystems.–Us

Applyinglabelstothebasecover:ThenewbasecoverFRUisshippedwithakitcontaininglabelsofseveralkinds.Applythoselabelswhenyoureplacethebasecover.Forthelabels

RemovalstepsoftheLCDfrontbezel11111111112Wheninstalling:Ensurethatallthelatchesareattachedfirmly.2020LCDpanel,hinges,andLCDcableForaccess,removetheseFR

6.Whentheinitialcalibrationisfinished,adialogboxisdisplayed.ClickOKtoexitthePanelReplacementUtilityprogram.Important:Ifthecomputerisprotectedbyaharddis

Wheninstalling:EnsurethattheLCDconnectorisattachedfirmly.Removalstepsofthehinges1111111111222233StepScrew(quantity)ColorTorque2M2.5×3.5mm,flat-head,nylo

RemovalstepsoftheLCDcable11 1FormodelswithwedgeLCDRemovalstepsoftheLCDpanel,thehinges,andtheLCDcable111111111198HardwareMaintenanceManual

2222223StepScrew(quantity)ColorTorque2M2.5×3.5mm,flat-head,nylon-coated(6)Black0.392Nm(4.0kgf-cm)444455StepScrew(quantity)ColorTorque4M2×3mm,flat-head,n

67Wheninstalling:EnsurethattheLCDconnectorisattachedfirmly.2030Camera-and-microphonecardandcamera-and-microphonecableForaccess,removetheseFRUs:•“1010Ba

Wheninstalling:Ensurethattheconnectorisattachedfirmly.Removalstepsofthecamera-and-microphonecable2213333332040AntennakitandLCDrearcoverassemblyForacces

RemovalstepsoftheantennakitandLCDrearcoverassembly1 111222222Cablerouting:Whenyouinstalltheantennakit,routethecablesasshowninthefollowingillustration.

ba c dAntennalocationaWirelessLANauxiliaryantenna(black)bWirelessWANauxiliaryantenna(blue)cWirelessWANmainantenna(red)dWirelessLANmainantenna(grey)Cha

DANGERDANGERDANGERDANGERDANGERChapter1.Safetyinformation5

104HardwareMaintenanceManual

AppendixA.NoticesLenovomaynotoffertheproducts,services,orfeaturesdiscussedinthisdocumentinallcountries.ConsultyourlocalLenovorepresentativeforinformat

ElectronicemissionsnoticesForelectronicemissioninformationonClassBdigitaldevices,refertothecorrespondinginformationintheUserGuide.EUcontact:Lenovo,Ein

AppendixB.AbbreviationtableThefollowingtablelistsallabbreviationsusedinthismanual.AbbreviationTermBGABallGridArrayCMOSComplementaryMetalOxideSemicondu

108HardwareMaintenanceManual

PartNumber:SP40A26003_02PrintedinChina(1P)P/N:SP40A26003_02*1PSP40A26003_02*

6HardwareMaintenanceManual

PERIGOPERIGOPERIGOPERIGOChapter1.Safetyinformation7

PERIGOPERIGOPERIGOPERIGODANGER8HardwareMaintenanceManual

DANGERDANGERDANGERDANGERDANGERDANGERChapter1.Safetyinformation9

DANGERVORSICHTVORSICHTVORSICHTVORSICHT10HardwareMaintenanceManual

VORSICHTVORSICHTVORSICHTVORSICHTChapter1.Safetyinformation11

12HardwareMaintenanceManual

Chapter1.Safetyinformation13

Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadthegeneralinformationunderAppendixA“Notices”onpage105.ThirdEdition(November2014)©Co

14HardwareMaintenanceManual

Chapter1.Safetyinformation15

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Chapter1.Safetyinformation17

18HardwareMaintenanceManual

Chapter2.ImportantserviceinformationThischapterintroducesfollowingimportantserviceinformationthatappliestoallmachinetypessupportedbythismanual:•“Strat

ImportantnoticeforreplacingasystemboardSomecomponentsmountedonasystemboardareverysensitive.Improperhandlingofasystemboardcancausedamagetothosecomponen

3.ClickCheckWarrantyStatus.4.OntheWarrantyStatusLookuppage,clickPartsLookup.5.T ypeyourmachinetypeandserialnumber,andthenclickSubmit.eSupportalsocanbe

22HardwareMaintenanceManual

Chapter3.GeneralcheckoutThischapterintroducesfollowinginformation:•“Whattodofirst”onpage23•“Checkoutguide”onpage24–“LenovoSolutionCenter”onpage24–“Quic

ContentsAboutthismanual...iiiChapter1.Safetyinformation...1Generalsafety...1Electricalsafety...1Safetyinspectiongu

Beforecheckingproblemswiththecomputer,determinewhetherthedamageiscoveredunderthewarrantybyreferringtothefollowinglist:Thefollowingarenotcoveredunderwa

Thequicktestprogramsareapplicableonthefollowingoperatingsystems:•Microsoft®Windows®8.1•MicrosoftWindows8•MicrosoftWindows7•MicrosoftWindowsXP•Microsof

youtotestcomputermemoryandinternalstoragedevices,viewsysteminformation,andcheckandrecovertheinternalstoragedevices.Tousethebootablediagnosticprograms,

CheckingtheacpoweradapterYouareherebecausethecomputerfailsonlywhentheacpoweradapterisused.•Ifthepowerproblemoccursonlywhenthedockingstationortheportre

Checkingthecoin-cellbatteryTocheckthecoin-cellbattery,dothefollowing:1.Removethebatterypack.See“1010Batterypack”onpage58.2.Removethecoin-cellbattery.S

Chapter4.RelatedserviceinformationThischapterpresentsfollowinginformation:•“RestoringthefactorycontentsbyusingtheRecoveryDiscSet”onpage29•“UsingtheWin

4.SelectyourlanguageandclickNext.5.Readthelicense.Ifyouagreewiththetermsandconditions,selectIacceptthesetermsandconditionsandthenclickNext.Ifyoudonota

Moveyourpointertothetop-rightorbottom-rightcornerofthescreentodisplaythecharms.ClickSettings➙ChangePCsettings➙Updateandrecovery➙Recovery.2.IntheRefres

UsingtheWindowsrecoveryenvironmentTheWindowsrecoveryenvironmentonyourcomputeriscapableofoperatingindependentlyfromtheWindows8orWindows8.1operatingsyst

Attention:Ifyoudeletetherecoverypartitiononyourcomputer,dokeeptherecoverymediainasafeplace.TheWindowsrecoveryimagewillnotbestoredinyourcomputeranymore

Beforeservicingthecomputer...58RemovingtheSIMcard...581010Batterypack...581020ExpressCardreaderordummyExpressCard...5

Attention:Iftheuserharddiskpasswordhasbeenforgotten,checkwhetheramasterharddiskpasswordhasbeenset.Ifithas,itcanbeusedforaccesstotheharddiskdrive.Ifnom

systembacktooperationalstatus,theonlyLenovoandLenovo-authorizedservicesolutionwouldbetoreplacetheharddiskdriveorsolid-statedrivewithascheduledfee.Tore

HibernationmodeInhibernationmode,thefollowingoccurs:•Thesystemstatus,RAM,VRAM,andsetupdataarestoredontheharddiskdriveorsolid-statedrive.•Thesystemispo

NumericerrorcodesTable2.NumericerrorcodesSymptomorerrorFRUoraction,insequence0177BadSVPdata,stopPOSTtask—ThechecksumofthesupervisorpasswordintheEEPROM

Table2.Numericerrorcodes(continued)SymptomorerrorFRUoraction,insequence2200MachineTypeandSerialNumberareinvalid.Replacethesystemboard.2201MachineUUIDi

No-beepsymptomsTable5.No-beepsymptomsSymptomorerrorFRUoraction,insequenceNobeep,power-onindicatoron,LCDblank,andnoPOST.1.Ensurethateveryconnectoriscon

2.Ifnoerrorisdetected,donotreplaceanyFRUs.3.Ifanyerrorisdetected,replacetheFRUshownbytheFRUcode.Rerunthetesttoverifythatnomoreerrorsexist.Undetermined

Chapter5.StatusindicatorsThischapterpresentsthestatusindicatorsthatshowthestatusofthecomputer.324156Table7.StatusindicatorsIndicatorMeaning1FnLockindi

Table7.Statusindicators(continued)IndicatorMeaning4CamerastatusindicatorOn:Thecameraisinuse.56SystemstatusindicatorBlinkingthreetimes:Thecomputerisini

Chapter6.FunctionkeysThefollowingtabledescribesthefunctionsoffunctionkeysandkeycombinations.Table8.FunctionkeysFunctionkeyandkeycombinationDescription

AboutthismanualThismanualcontainsserviceandreferenceinformationforthefollowingThinkPad®products.ThinkPadT540pMachineTypes(MT)20BEand20BFThinkPadW540MT

Table8.Functionkeys(continued)FunctionkeyandkeycombinationDescription+PressFn+EsctoenableordisabletheFnLockfunctionandswitchbetweendefaultmodeandlegac

Chapter7.LocationsThischapterintroducesthelocationsofthehardwarecomponentsonyourcomputer.Locatingcomputercontrols,connectors,andindicatorsThistopicint

Rearview124567891031Ethernetconnector6Always-OnUSBconnector2acpowerconnector7USB3.0connector3Fanlouvers8ExpressCardslot(onsomemodels)4MiniDisplayPort®

LocatingFRUsandCRUsThistopicintroducesthefollowingserviceparts:•“MajorFRUs”onpage48•“LCDFRUs”onpage50•“MiscellaneouspartsandotherFRUs”onpage51Notes:•E

MajorFRUs2324252622151617181921201524367811910121314Table9.MajorFRUsNo.FRUdescriptionsSelf-serviceCRUOptional-serviceCRU1LCDunitNoNo2NFCcardNoNo3Keybo

Table9.MajorFRUs(continued)No.FRUdescriptionsSelf-serviceCRUOptional-serviceCRU8M.2solid-statedriveNoNo9WirelessLANcardYesNo10Coin-cellbatteryYesNo11U

LCDFRUs2728212223242526Table10.LCDFRUsNo.FRUdescriptionsSelf-serviceCRUOptional-serviceCRU1LCDfrontbezelNoNo2LCDpanelNoNo3HingesNoNo4AntennakitNoNo5Ca

MiscellaneouspartsandotherFRUsTable11.MiscellaneouspartsFRUdescriptionsSelf-serviceCRUOptional-serviceCRUScrewkit•M2×3mm(silver),flat-head(300)•M2×7mm(

52HardwareMaintenanceManual

Chapter8.FRUreplacementnoticesThischapterpresentsnoticesrelatedtoremovingandreplacingparts.ReadthischaptercarefullybeforereplacinganyFRU.CRUstatementf

ivHardwareMaintenanceManual

180degreesmore(Cross-section)Notes:•Ensurethatyouusethecorrectscrew.Itisrecommendedtousenewscrewsforreplacements.Ifyouhaveatorquescrewdriver,tighten

2.Whenthelogoisdisplayed,pressEsc.TheThinkPadConfigInformationUpdateUtilityinterfaceisdisplayed.3.T ype1underEntertheactiondesired,thenpressEnter.TheTh

1.InsertthelatestversionofLENOVOThinkPadHardwareMaintenanceDisketteorMaintenanceKey,andthenrestartthecomputer.2.Fromthemainmenu,select6.SetECAInformat

Chapter9.RemovingorreplacingaFRUThischapterprovidesinstructionsonhowtoremoveorreplaceaFRU.CRUstatementforcustomers:Youcanresolvesomeproblemswithyourpr

CommonservicetoolsBelowisthelistofcommonservicetoolsthatyoumightneedwhileservicingthecomputer.•Torx#T8•Flat-headscrewdriversize#2.5mm•Phillipsscrewdri

thatthebatteryisdefective.Theonlyexceptiontothisisifthebatterypackisphysicallydamagedoracustomerisreportingapossiblesafetyissue.IftheLenovoSolutionCen

RemovalstepsoftheExpressCardreaderordummyExpressCard121030LargebottomdoorForaccess,removethisFRU:•“1010Batterypack”onpage58Removalstepsofthelargebotto

•Neverremovethedrivewhilethesystemisoperatingorinsuspendmode.Removalstepsoftheharddiskdriveorsolid-statedriveRemovethescrew1.1StepScrew(quantity)Color

1StepScrew(quantity)ColorTorque1M2×3mm,flat-head,nylon-coated(1)Silver0.181Nm(1.85kgf-cm)231060MemorymoduleForaccess,removetheseFRUs:•“1010Batterypack”

Removalstepsofthememorymodule112Wheninstalling:Insertthenotchedendofthememorymoduleintothememoryslot.Pressthememorymoduleinfirmly,andpivotitdownwardunt

Chapter1.SafetyinformationThischapterpresentsfollowingsafetyinformationthatyouneedtobefamiliarwithbeforeyouserviceaThinkPadnotebookcomputer.•“Generals

Note:Underthesmallbottomdoor,thereisatamperdetectionswitch.WhenyouservicethewirelessLANcard,thewirelessWANcardortheM.2solid-statedrive,andthecoin-cell

3Wheninstalling:PlugthegraycableintotheconnectorlabeledMAINor1onthecard;andplugtheblackcableintotheconnectorlabeledAUXor2onthecard.1090WirelessWANcard

RemovalstepsofthewirelessWANcardDetachtheconnectors,andthenremovethescrew2.211StepScrew(quantity)ColorTorque2M2×3mm,flat-head,nylon-coated(1)Black0.181

RemovalstepsoftheM.2solid-statedriveRemovethescrew1.211StepScrew(quantity)ColorTorque2M2×3mm,flat-head,nylon-coated(1)Black0.181Nm(1.85kgf-cm)31100Coin

DANGERUseonlytheauthorizedbatteryspecifiedforyourcomputer.Anyotherbatterycouldigniteorexplode.Removalstepsofthecoin-cellbattery12Wheninstalling:Ensuret

Thescrewssecuringthekeyboardarebeneaththekeyboardframe.Torevealthescrewheadsbeneaththeframe,usetheflatendofthemulti-toolintheshippingpackageofthenewkey

345678InstallationstepsofkeyboardAttachtheconnectorsandthenturnoverthekeyboard.4312570HardwareMaintenanceManual

Putthekeyboardbackintoplace.Ensurethatthefrontedgeofthekeyboardisundertheframeofthekeyboardbezel.66Revealthescrewheadsbyslidingthekeyboardframeforward

8Slidethekeyboardframebackwardby2.5mm(0.1inch)withtheflatendofthekeyboardmulti-tooltohidethelatchesofthekeyboardframeunderthekeyboardbezel.Note:Donotpr

101120KeyboardbezelassemblyForaccess,removetheseFRUs:•“1010Batterypack”onpage58•“1030Largebottomdoor”onpage60•“1110Keyboard”onpage68Important:Readthef

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

7.Whentheinitialcalibrationcompletes,adialogboxisdisplayed.ClickOKtoexittheSensorReplacementUtilityprogram.RemovalstepsofthekeyboardbezelassemblyRemov

4444444544444768910Wheninstalling:Ensurethattheconnectorsareattachedfirmly.1130Powerbuttoncard,colorsensor,NFCcard,fingerprintreader,andtrackpadForacces

Removalstepsofthepowerbuttoncard112StepScrew(quantity)ColorTorque1M2×3mm,flat-head,nylon-coated(2)Silver0.181Nm(1.85kgf-cm)Removalstepsofthecolorsensor

4.IftheSensorReplacementUtilityprogramcannotbelaunchedsuccessfully,restorethecolorsensorcalibrationprofileECCM2SensorData.dat,whichyouhavebackedupinste

StepScrew(quantity)ColorTorque3M2×7mm,flat-head,nylon-coated(2)Silver0.181Nm(1.85kgf-cm)RemovalstepsoftheNFCcard123Wheninstalling:Ensurethattheconnecto

Removalstepsofthefingerprintreader121StepScrew(quantity)ColorTorque1M2×3mm,flat-head,nylon-coated(2)Silver0.181Nm(1.85kgf-cm)5433Wheninstalling:Ensureth

Removalstepsofthetrackpad2133333StepScrew(quantity)ColorTorque3M2×2mm,flat-head,nylon-coated(5)Black0.181Nm(1.85kgf-cm)Wheninstalling:Ensurethattheconn

Removalstepsofthesmartcardreader12333444StepScrew(quantity)ColorTorque3M2×3mm,flat-head,nylon-coated(3)Silver0.181Nm(1.85kgf-cm)Wheninstalling:Ensureth

Removalstepsofthedummysmartcard1112StepScrew(quantity)ColorTorque1M2×3mm,flat-head,nylon-coated(3)Silver0.181Nm(1.85kgf-cm)1150LCDunitForaccess,removet

33StepScrew(quantity)ColorTorque3M2.5×6mm,flat-head,nylon-coated(2)Black0.392Nm(4.0kgf-cm)4 4444Wheninstalling:Ensurethattheconnectorsareattachedfirmly.

Considertheseconditionsandthesafetyhazardstheypresent:•Electricalhazards,especiallyprimarypower(primaryvoltageontheframecancauseseriousorfatalelectric

56789810 1010101010101010Wheninstalling:Ensurethatyouroutethecablesfirmlyandtapeupintheproperpositions.Attention:Whenyouroutethecables,ensurethattheyar

811111160MagnesiumstructureframeForaccess,removetheseFRUsinorder:•“1010Batterypack”onpage58•“1030Largebottomdoor”onpage60•“1110Keyboard”onpage68•“1120

34432223338StepScrew(quantity)ColorTorque2M2×3mm,flat-head,nylon-coated(3)Silver0.181Nm(1.85kgf-cm)3M2×7mm,flat-head,nylon-coated(5)Silver0.181Nm(1.85kg

Removalstepsofthespeakerassembly11118StepScrew(quantity)ColorTorque1M2.5×2.5mm,flat-head,nylon-coated(4)Black0.392Nm(4.0kgf-cm)228Wheninstalling:Ensure

Removalstepsofthedc-incableassembly1Wheninstalling:Ensurethattheconnectorisattachedfirmly.23458StepScrew(quantity)ColorTorque2M2×3mm,flat-head,nylon-coa

•“1160Magnesiumstructureframe”onpage85RemovalstepsofthethermalfanassemblyForintegrated-graphicsmodels:Detachthethermalfanassemblyconnector,andthenloos

contactwithacomponent.Forthenewthermalfanassembly,youmustpeelthethinfilmofffromtherubbers.31200USBcardForaccess,removetheseFRUs:•“1010Batterypack”onpag

•“1110Keyboard”onpage68•“1120Keyboardbezelassembly”onpage73•“1150LCDunit”onpage82•“1160Magnesiumstructureframe”onpage85•“1190Thermalfanassembly”onpage

Note:Droppingasystemboardfromaheightofaslittleas6inchessothatitfallsflatonahardbenchcansubjecttheaccelerometertoasmuchas6000G'sofshock.•Becarefuln

dRemovalstepsofthesystemboardandbasecover1Wheninstalling:Ensurethattheconnectorisattachedfirmly.22433StepScrew(quantity)ColorTorque3M2×3mm,flat-head,nyl