Lenovo ThinkPad T540p, ThinkPad W540, ThinkPad W541 Hardware Maintenance Manual [en, ar, bg, cs, da, de, el, es, fi, fr, he, hr, hu, id, it, ko, nb, nl, pl, pt, pt, ro, ru, sk, sl, sr, sv, tr, uk, zc, zh]

HardwareMaintenanceManual

ThinkPadT540p,W540,andW541

Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadthegeneralinformation
underAppendixA“Notices”onpage107.

FourthEdition(July2015)

©CopyrightLenovo2013,2015.

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

Contents

Aboutthismanual...........iii

Chapter1.Safetyinformation......1

Generalsafety................1

Electricalsafety...............1

Safetyinspectionguide............2

Handlingdevicesthataresensitivetoelectrostatic

discharge..................3

Groundingrequirements............4

Safetynotices(multilingualtranslations)......4

Chapter2.Importantservice

information..............19

StrategyforreplacingFRUs.........19

Strategyforreplacingaharddiskdriveora

solid-statedrive............19

Importantnoticeforreplacingasystem

board................20

Howtouseerrormessage........20

StrategyforreplacingFRUsforCTO,special-bid,

andstandardmodels............20

Productdefinition............20

FRUidentification............20

Chapter3.Generalcheckout.....23

Whattodofirst..............23

Checkoutguide..............24

LenovoSolutionCenter.........24

Quicktestprograms...........24

UEFIdiagnosticprogram.........25

Bootablediagnosticprograms.......26

Powersystemcheckout...........26

Checkingtheacpoweradapter......27

Checkingthebatteryandoperational

charging...............27

Checkingthecoin-cellbattery.......28

Chapter4.Relatedservice

information..............29

Restoringthefactorycontentsbyusingthe

RecoveryDiscSet.............29

UsingtheWindowsrecoverysolutions(for

Windows8andWindows8.1only).......30

Refreshingyourcomputer........30

Resettingyourcomputertothefactorydefault

settings................31

Usingtheadvancedstartupoptions....31

UsingtheWindowsrecoveryenvironment..32

Creatingandusingrecoverymedia.....32

RecoveryoverviewfortheWindows10operating

system..................33

Resettingyourcomputer.........33

Usingadvancedstartupoptions......33

RecoveringyouroperatingsystemifWindows

10failstostart.............34

CreatingandusingarecoveryUSBdrive..34

Passwords................35

Power-onpassword...........35

Harddiskpassword...........35

Supervisorpassword..........35

Howtoremovethepower-onpassword...35
Howtoremovetheharddiskpassword...36

Powermanagement............36

Screenblankmode(forWindows7only)..37

Sleepmode..............37

Hibernationmode...........37

Symptom-to-FRUindex...........38

Numericerrorcodes..........38

Errormessages............39

Beepsymptoms............40

No-beepsymptoms...........40

LCD-relatedsymptoms.........40

Intermittentproblems..........41

Undeterminedproblems.........41

Chapter5.Statusindicators.....43

Chapter6.Functionkeys.......45

Chapter7.Locations.........47

Locatingcomputercontrols,connectors,and

indicators.................47

Frontview...............47

Rearview...............48

Bottomview..............48

LocatingFRUsandCRUs..........49

MajorFRUs..............50

LCDFRUs..............52

MiscellaneouspartsandotherFRUs....53

LookingupFRUinformation.........53

Chapter8.FRUreplacement

notices................55

Screwnotices...............55

Retainingserialnumbers...........56

Restoringtheserialnumberofthesystem

unit.................56

©CopyrightLenovo2013,2015

i

RetainingtheUUID...........57

ReadingorwritingtheECAinformation...57

Chapter9.Removingorreplacinga

FRU..................59

Generalguidelines.............59

Commonservicetools...........60

Beforeservicingthecomputer........60

RemovingtheSIMcard.........60

1010Batterypack.............60

1020ExpressCardreaderordummy

ExpressCard...............61

1030Largebottomdoor...........62

1040Harddiskdriveorsolid-statedrive....62

1050Opticaldrive.............63

1060Memorymodule............64

1070Smallbottomdoor...........65

1080WirelessLANcard...........66

1090WirelessWANcardorM.2solid-statedrive.67

1100Coin-cellbattery............69

1110Keyboard..............70

1120Keyboardbezelassembly........75

1130Powerbuttoncard,colorsensor,NFCcard,

fingerprintreader,andtrackpad........77

1140Smartcardreaderordummysmartcard..82

1150LCDunit...............84

1160Magnesiumstructureframe.......87

1170Speakerassembly...........88

1180dc-incableassembly..........89

1190Thermalfanassembly.........90

1200USBcard..............92

1210Microprocessor............92

1220Systemboardandbasecover......93

2010LCDfrontbezel............96

2020LCDpanel,hinges,andLCDcable....97

2030Camera-and-microphonecardand

camera-and-microphonecable........102

2040AntennakitandLCDrearcoverassembly..103

AppendixA.Notices.........107

Electronicemissionsnotices.........108

Trademarks................108

AppendixB.Abbreviationtable...109

iiHardwareMaintenanceManual

Aboutthismanual

ThismanualcontainsserviceandreferenceinformationforthefollowingThinkPad

ThinkPadT540p

ThinkPadW540

ThinkPadW541

Usethismanualalongwiththeadvanceddiagnosticteststotroubleshootproblems.

Important:ThismanualisintendedonlyfortrainedservicetechnicianswhoarefamiliarwithThinkPad
products.Usethismanualalongwiththeadvanceddiagnosticteststotroubleshootproblemseffectively.
BeforeservicingaThinkPadproduct,besuretoreadalltheinformationunderChapter1“Safetyinformation”
onpage1andChapter2“Importantserviceinformation”onpage19.

MachineT ypes(MT)20BEand20BF

MT20BGand20BH

MT20EFand20EG

®

products.

©CopyrightLenovo2013,2015

iii

ivHardwareMaintenanceManual

Chapter1.Safetyinformation

Thischapterpresentsfollowingsafetyinformationthatyouneedtobefamiliarwithbeforeyouservicea
ThinkPadnotebookcomputer.

•“Generalsafety”onpage1

•“Electricalsafety”onpage1

•“Safetyinspectionguide”onpage2

•“Handlingdevicesthataresensitivetoelectrostaticdischarge”onpage3

•“Groundingrequirements”onpage4

•“Safetynotices(multilingualtranslations)”onpage4

Generalsafety

Followtheserulestoensuregeneralsafety:

•Observegoodhousekeepingintheareaofthemachinesduringandaftermaintenance.

•Whenliftinganyheavyobject:

1.Makesurethatyoucanstandsafelywithoutslipping.

2.Distributetheweightoftheobjectequallybetweenyourfeet.

3.Useaslowliftingforce.Nevermovesuddenlyortwistwhenyouattempttolift.

4.Liftbystandingorbypushingupwithyourlegmuscles;thisactionremovesthestrainfromthe
musclesinyourback.Donotattempttoliftanyobjectthatweighsmorethan16kg(35lb)orthat

youthinkistooheavyforyou.

•Donotperformanyactionthatcauseshazardstothecustomer,orthatmakestheequipmentunsafe.

•Beforeyoustartthemachine,makesurethatotherservicetechniciansandthecustomer'spersonnelare
notinahazardousposition.

•Placeremovedcoversandotherpartsinasafeplace,awayfromallpersonnel,whileyouareservicing
themachine.

•Keepyourtoolcaseawayfromwalkareassothatotherpeoplewillnottripoverit.

•Donotwearlooseclothingthatcanbetrappedinthemovingpartsofamachine.Makesurethatyour
sleevesarefastenedorrolledupaboveyourelbows.Ifyourhairislong,fastenit.

•Inserttheendsofyournecktieorscarfinsideclothingorfastenitwithanonconductiveclip,about8
centimeters(3inches)fromtheend.

•Donotwearjewelry,chains,metal-frameeyeglasses,ormetalfastenersforyourclothing.

Attention:Metalobjectsaregoodelectricalconductors.

•Wearsafetyglasseswhenyouarehammering,drilling,soldering,cuttingwire,attachingsprings,using
solvents,orworkinginanyotherconditionsthatmightbehazardoustoyoureyes.

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

•Reinstallallcoverscorrectlybeforereturningthemachinetothecustomer.

•Fanlouversonthemachinehelptopreventoverheatingofinternalcomponents.Donotobstructfan
louversorcoverthemwithlabelsorstickers.

Electricalsafety

Observethefollowingruleswhenworkingonelectricalequipment.

Important:Useonlyapprovedtoolsandtestequipment.Somehandtoolshavehandlescoveredwithasoft
materialthatdoesnotinsulateyouwhenworkingwithliveelectricalcurrents.Manycustomershave,near
theirequipment,rubberfloormatsthatcontainsmallconductivefiberstodecreaseelectrostaticdischarges.
Donotusethistypeofmattoprotectyourselffromelectricalshock.

©CopyrightLenovo2013,2015

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

•Donotworkaloneunderhazardousconditionsornearequipmentthathashazardousvoltages.

•Disconnectallpowerbefore:
–Performingamechanicalinspection
–Workingnearpowersupplies
–Removingorinstallingmainunits

•Beforeyoustarttoworkonthemachine,unplugthepowercord.Ifyoucannotunplugit,askthecustomer
topower-offthewallboxthatsuppliespowertothemachine,andtolockthewallboxintheoffposition.

•Ifyouneedtoworkonamachinethathasexposedelectricalcircuits,observethefollowingprecautions:
–Ensurethatanotherperson,familiarwiththepower-offcontrols,isnearyou.

Attention:Anotherpersonmustbetheretoswitchoffthepower,ifnecessary.

–Useonlyonehandwhenworkingwithpowered-onelectricalequipment;keeptheotherhandinyour

pocketorbehindyourback.

Attention:Anelectricalshockcanoccuronlywhenthereisacompletecircuit.Byobservingtheabove
rule,youmaypreventacurrentfrompassingthroughyourbody.

–Whenusingtesters,setthecontrolscorrectlyandusetheapprovedprobeleadsandaccessoriesfor

thattester.

–Standonsuitablerubbermats(obtainedlocally,ifnecessary)toinsulateyoufromgroundssuchas

metalfloorstripsandmachineframes.
Observethespecialsafetyprecautionswhenyouworkwithveryhighvoltages;Instructionsforthese
precautionsareinthesafetysectionsofmaintenanceinformation.Useextremecarewhenmeasuring
highvoltages.

•Regularlyinspectandmaintainyourelectricalhandtoolsforsafeoperationalcondition.

•Donotusewornorbrokentoolsandtesters.

•Neverassumethatpowerhasbeendisconnectedfromacircuit.First,checkthatithasbeenpoweredoff.

•Alwayslookcarefullyforpossiblehazardsinyourworkarea.Examplesofthesehazardsaremoistfloors,
nongroundedpowerextensioncables,powersurges,andmissingsafetygrounds.

•Donottouchliveelectricalcircuitswiththereflectivesurfaceofaplasticdentalmirror.Thesurfaceis
conductive;suchtouchingcancausepersonalinjuryandmachinedamage.

•Donotservicethefollowingpartswiththepoweronwhentheyareremovedfromtheirnormaloperating
placesinamachine:
–Powersupplyunits
–Pumps
–Blowersandfans
–Motorgenerators
–Similarunitstolistedabove
Thispracticeensurescorrectgroundingoftheunits.

•Ifanelectricalaccidentoccurs:
–Usecaution;donotbecomeavictimyourself.
–Switchoffpower.
–Sendanotherpersontogetmedicalaid.

Safetyinspectionguide

Thepurposeofthisinspectionguideistoassistyouinidentifyingpotentiallyunsafeconditions.Aseach
machinewasdesignedandbuilt,requiredsafetyitemswereinstalledtoprotectusersandservicetechnicians
frominjury.Thisguideaddressesonlythoseitems.Youshouldusegoodjudgmenttoidentifypotential
safetyhazardsduetoattachmentofnon- ThinkPadfeaturesoroptionsnotcoveredbythisinspectionguide.

Ifanyunsafeconditionsarepresent,youmustdeterminehowserioustheapparenthazardcouldbeand
whetheryoucancontinuewithoutfirstcorrectingtheproblem.

2HardwareMaintenanceManual

Considertheseconditionsandthesafetyhazardstheypresent:

•Electricalhazards,especiallyprimarypower(primaryvoltageontheframecancauseseriousorfatal
electricalshock)

•Explosivehazards,suchasadamagedCRTfaceorabulgingcapacitor

•Mechanicalhazards,suchaslooseormissinghardware

Todeterminewhetherthereareanypotentiallyunsafeconditions,usethefollowingchecklistatthebeginning
ofeveryservicetask.Beginthecheckswiththepoweroff,andthepowercorddisconnected.

Checklist:

1.Checkexteriorcoversfordamage(loose,broken,orsharpedges).

2.Poweroffthecomputer.Disconnectthepowercord.

3.Checkthepowercordfor:

a.Athird-wiregroundconnectoringoodcondition.Useametertomeasurethird-wireground

continuityfor0.1ohmorlessbetweentheexternalgroundpinandtheframeground.

b.Thepowercordshouldbetheauthorizedtypespecifiedforyourcomputer.Goto:

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

c.Insulationmustnotbefrayedorworn.

4.Checkforcrackedorbulgingbatteries.

5.Removethecover.

6.Checkforanyobviousnon- ThinkPadalterations.Usegoodjudgmentastothesafetyofany
non-ThinkPadalterations.

7.Checkinsidetheunitforanyobviousunsafeconditions,suchasmetalfilings,contamination,wateror
otherliquids,orsignsoffireorsmokedamage.

8.Checkforworn,frayed,orpinchedcables.

9.Checkthatthepower-supplycoverfasteners(screwsorrivets)havenotbeenremovedortamperedwith.

Handlingdevicesthataresensitivetoelectrostaticdischarge

Anycomputerpartcontainingtransistorsorintegratedcircuits(ICs)shouldbeconsideredsensitiveto
electrostaticdischarge(ESD.)ESDdamagecanoccurwhenthereisadifferenceinchargebetweenobjects.
ProtectagainstESDdamagebyequalizingthechargesothatthemachine,thepart,theworkmat,andthe
personhandlingthepartareallatthesamecharge.

Notes:

1.Useproduct-specificESDprocedureswhentheyexceedtherequirementsnotedhere.

2.MakesurethattheESDprotectivedevicesyouusehavebeencertified(ISO9000)asfullyeffective.

WhenhandlingESD-sensitiveparts:

•Keepthepartsinprotectivepackagesuntiltheyareinsertedintotheproduct.

•Avoidcontactwithotherpeople.

•Wearagroundedwriststrapagainstyourskintoeliminatestaticonyourbody.

•Preventthepartfromtouchingyourclothing.Mostclothingisinsulativeandretainsachargeeven
whenyouarewearingawriststrap.

•Useagroundedworkmattoprovideastatic-freeworksurface.Thematisespeciallyusefulwhen
handlingESD-sensitivedevices.

•Selectagroundingsystem,suchasthoselistedbelow,toprovideprotectionthatmeetsthespecific
servicerequirement.

Note:TheuseofagroundingsystemtoguardagainstESDdamageisdesirablebutnotnecessary.
–AttachtheESDgroundcliptoanyframeground,groundbraid,orgreen-wireground.

Chapter1.Safetyinformation3

–Whenworkingonadouble-insulatedorbattery-operatedsystem,useanESDcommongroundor

referencepoint.Y oucanusecoaxorconnector-outsideshellsonthesesystems.

–Usetheroundgroundprongoftheacplugonac-operatedcomputers.

Groundingrequirements

Electricalgroundingofthecomputerisrequiredforoperatorsafetyandcorrectsystemfunction.Proper
groundingoftheelectricaloutletcanbeverifiedbyacertifiedelectrician.

Safetynotices(multilingualtranslations)

Thesafetynoticesinthissectionareprovidedinthefollowinglanguages:

•English

•Arabic

•BrazilianPortuguese

•French

•German

•Hebrew

•Japanese

•Korean

•Spanish

•T raditionalChinese

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Chapter2.Importantserviceinformation

Thischapterintroducesfollowingimportantserviceinformationthatappliestoallmachinetypessupported
bythismanual:

•“StrategyforreplacingFRUs”onpage19
–“Strategyforreplacingaharddiskdriveorasolid-statedrive”onpage19
–“Importantnoticeforreplacingasystemboard”onpage20
–“Howtouseerrormessage”onpage20

•“StrategyforreplacingFRUsforCTO,special-bid,andstandardmodels”onpage20
–“Productdefinition”onpage20
–“FRUidentification”onpage20

Important:

•AdvisecustomerstocontacttheLenovo
obtainingorinstallinganysoftwarefixes,drivers,andUEFIBIOSdownloads.T elephonenumbersfor
LenovoSupportareavailableat:http://www.lenovo.com/support/phone

•SystemDisassembly/ReassemblyvideosthatshowtheFRUremovalsorreplacementsfortheLenovo
authorizedservicetechniciansareavailableinthefollowingsupportsite:
http://www.lenovoservicetraining.com/ion/

®

CustomerSupportCenteriftheyneedanyassistancein

StrategyforreplacingFRUs

Beforereplacingparts:

Ensurethatallsoftwarefixes,drivers,andUEFIBIOSdownloadsareinstalledbeforereplacinganyFRUs
listedinthismanual.

Afterasystemboardisreplaced,ensurethatthelatestUEFIBIOSisloadedtothesystemboardbefore
completingtheserviceaction.

Todownloadsoftwarefixes,drivers,andUEFIBIOS,gotohttp://www.lenovo.com/ThinkPadDriversand
followtheinstructionsonthescreen.

UsethefollowingstrategytopreventunnecessaryexpenseforreplacingandservicingFRUs:

•IfyouareinstructedtoreplaceaFRUbutthereplacementdoesnotcorrecttheproblem,reinstallthe
originalFRUbeforeyoucontinue.

•Somecomputershavebothaprocessorboardandasystemboard.Ifyouareinstructedtoreplaceeither
theprocessorboardorthesystemboard,andreplacingoneofthemdoesnotcorrecttheproblem,
reinstallthatboard,andthenreplacetheotherone.

•IfanadapteroradeviceconsistsofmorethanoneFRU,anyoftheFRUsmaybethecauseoftheerror.
Beforereplacingtheadapterordevice,removetheFRUs,onebyone,toseeifthesymptomschange.
ReplaceonlytheFRUthatchangedthesymptoms.

Strategyforreplacingaharddiskdriveorasolid-statedrive

Alwaystrytorunalow-levelformatbeforereplacingaharddiskdriveorasolid-statedrive.Thiswillcause
allcustomerdataonthedrivetobelost.Besurethatthecustomerhasacurrentbackupofthedata
beforedoingthistask.

Attention:Thedrivestartupsequenceinthecomputeryouareservicingmayhavebeenchanged.Be
extremelycarefulduringwriteoperationssuchascopying,saving,orformatting.Ifyouselectanincorrect
drive,dataorprogramscanbeoverwritten.

©CopyrightLenovo2013,2015

19

Importantnoticeforreplacingasystemboard

Somecomponentsmountedonasystemboardareverysensitive.Improperhandlingofasystemboardcan
causedamagetothosecomponents,andmaycauseasystemmalfunction.

Attention:Whenhandlingasystemboard:

•Donotdropasystemboardorapplyanyexcessiveforcetoit.

•Avoidroughhandlingofanykind.

•AvoidbendingasystemboardandhardpushingtopreventcrackingateachBGA(BallGridArray)chipset.

Howtouseerrormessage

Usetheerrorcodesdisplayedonthescreentodiagnosefailures.Ifmorethanoneerrorcodeisdisplayed,
beginthediagnosiswiththefirsterrorcode.Whatevercausesthefirsterrorcodemayalsocausefalseerror
codes.Ifnoerrorcodeisdisplayed,seewhethertheerrorsymptomislistedintheSymptom-to-FRU
Indexforthecomputeryouareservicing.

StrategyforreplacingFRUsforCTO,special-bid,andstandardmodels

ThistopicprovidesinformationaboutthemodeltypesandFRUidentification.

Productdefinition

Thistopicintroducesdifferentmodeltypesandhowtoidentifyeachtype.

DynamicConfigureToOrder(CTO)model

ThismodelprovidestheabilityforacustomertoconfigureaLenovosolutionfromaWebSite,andhavethis
configurationsenttofulfillment,whereitisbuiltandshippeddirectlytothecustomer.Themachinelabeland
eSupportwillloadtheseproductsasthe4-characterMT,4-charactermodel,and2-charactercountrycode.
Themodelis“CTO1”andthedefaultcountrycodeis“WW”(example:20AACTO1WW).

Special-bidmodel

ThisisauniqueconfigurationthathasbeennegotiatedbetweenLenovoandthecustomer.AuniqueMTM
consistsofa4-characterMT,a4-charactermodel,andanumeric2-charactercountrycodeisprovidedto
thecustomertoplaceorders(example:20AA000955).Thecountrycodeassignedisnumericanddoesnot
designateaspecificcountryorregion.ThecustommodelfactsheetfortheMTMindicateswhichcountrythe
specialbidMTMissetupfor.Special-bidofferingisnotgenerallyannounced.

Standardmodel

Standardmodels(fixedconfiguration)areannouncedandofferedtoallcustomers.TheMTMportionofthe
machinelabelconsistsofa4-characterMT,a4-charactermodel,andanalphabetic2-charactercountry
code.Thecountrycodeassignedisalphabeticandrepresentsadesignatedcountryorregion(example:
20AA0009UK).

FRUidentification

UseLenovoeSupporttoidentifymajorFRUs,FRUpartnumbers,andFRUdescriptionsforaproductatan
MT-serialnumberlevel.ExamplesofmajorFRUsareharddiskdrive,systemboard,liquidcrystaldisplay
(LCD),andmemorymodule.

ToidentifythemajorFRUsforaproduct,dothefollowing:

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

2.ClickWarranty&Services.

20HardwareMaintenanceManual

3.ClickCheckWarrantyStatus.

4.OntheWarrantyStatusLookuppage,clickPartsLookup.

5.T ypeyourmachinetypeandserialnumber,andthenclickSubmit.

eSupportalsocanbeusedtoviewthegeneralFRUlistforaproduct.

TogetthegeneralFRUlistforaproduct,dothefollowing:

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

2.ClickParts&Accessories.

3.Followtheinstructionsonthescreentoselectproduct.

4.ClickProductsandPartsDetail.

5.OnthePRODUCTANDPARTSDETAILpage,clickthePartsDetailtabtoviewtheFRUlist.

Note:TheFRUlistisagenerallistofcomponentsanddoesnotcontainspecificmodelinformation.

Chapter2.Importantserviceinformation21

22HardwareMaintenanceManual

Chapter3.Generalcheckout

Thischapterintroducesfollowinginformation:

•“Whattodofirst”onpage23

•“Checkoutguide”onpage24
–“LenovoSolutionCenter”onpage24
–“Quicktestprograms”onpage24
–“UEFIdiagnosticprogram”onpage25
–“Bootablediagnosticprograms”onpage26

•“Powersystemcheckout”onpage26

Beforeyougotothecheckoutguide,besuretoreadthefollowingimportantnotes.

Importantnotes:

•Onlycertifiedtrainedpersonnelshouldservicethecomputer.

•BeforereplacinganyFRU,readtheentirepageonremovingandreplacingFRUs.

•WhenyoureplaceFRUs,itisrecommendedusenewnylon-coatedscrews.

•Beextremelycarefulduringsuchwriteoperationsascopying,saving,orformatting.Thesequence
ofthedrivesinthecomputerthatyouareservicingmighthavebeenaltered.Ifyouselectanincorrect
drive,dataorprogramsmightbeoverwritten.

•ReplaceaFRUonlywithanotherFRUofthecorrectmodel.WhenyoureplaceaFRU,ensure
thatthemodelofthemachineandtheFRUpartnumberarecorrectbyreferringtothewebsite:
http://www.lenovo.com/serviceparts-lookup

•AFRUshouldnotbereplacedbecauseofasingle,unreproduciblefailure.Singlefailurescanoccur
foravarietyofreasonsthathavenothingtodowithahardwaredefect,suchascosmicradiation,
electrostaticdischarge,orsoftwareerrors.ConsiderreplacingaFRUonlywhenaproblemrecurs.Ifyou
suspectthataFRUisdefective,cleartheerrorlogandrunthetestagain.Iftheerrordoesnotrecur,do
notreplacetheFRU.

•BecarefulnottoreplaceanondefectiveFRU.

Whattodofirst

WhenyoureturnaFRU,youmustincludethefollowinginformationinthepartsexchangeformorparts
returnformthatyouattachtoit:

1.Nameandphonenumberofservicetechnician

2.Dateofservice

3.Dateonwhichthemachinefailed

4.Dateofpurchase

5.Failuresymptoms,errorcodesappearingonthedisplay,andbeepsymptoms

6.ProcedureindexandpagenumberinwhichthefailingFRUwasdetected

7.FailingFRUnameandpartnumber

8.Machinetype,modelnumber,andserialnumber

9.Customer'snameandaddress

Note:Duringthewarrantyperiod,thecustomermayberesponsibleforrepaircostsifthecomputerdamage
wascausedbymisuse,accident,modification,unsuitablephysicaloroperatingenvironment,orimproper
maintenancebythecustomer.Followingisalistofsomecommonitemsthatarenotcoveredunderwarranty
andsomesymptomsthatmightindicatethatthesystemwassubjectedtostressbeyondnormaluse.

©CopyrightLenovo2013,2015

23

Beforecheckingproblemswiththecomputer,determinewhetherthedamageiscoveredunderthewarranty
byreferringtothefollowinglist:

Thefollowingarenotcoveredunderwarranty:

•LCDpanelcrackedfromtheapplicationofexcessiveforceorfrombeingdropped

•Scratched(cosmetic)parts

•Distortion,deformation,ordiscolorationofthecosmeticparts

•Plasticparts,latches,pins,orconnectorsthathavebeencrackedorbrokenbyexcessiveforce

•Damagecausedbyliquidspilledintothesystem

•DamagecausedbytheimproperinsertionofaPCcardortheinstallationofanincompatiblecard

•Improperdiscinsertionoruseofanopticaldrive

•Fusesblownbyattachmentofanonsupporteddevice

•Forgottencomputerpassword(makingthecomputerunusable)

•Stickykeyscausedbyspillingaliquidontothekeyboard

•Useofanincorrectacpoweradapteronlaptopproducts

Thefollowingsymptomsmightindicatedamagecausedbynonwarrantedactivities:

•Missingpartsmightbeasymptomofunauthorizedserviceormodification.

•Checkforobviousdamagetoaharddiskdrive.Ifthespindleofaharddiskdrivebecomesnoisy,thehard
diskdrivemighthavebeendroppedorsubjecttoexcessiveforce.

Checkoutguide

UsethefollowingproceduresasaguideinidentifyingandcorrectingproblemswiththeThinkPadnotebook
computers.

Note:ThediagnostictestsareintendedtotestonlyThinkPadproducts.Theuseofnon-ThinkPadproducts,
prototypecards,ormodifiedoptionscanleadtofalseindicationsoferrorsandinvalidsystemresponses.

1.Identifythefailingsymptomsinasmuchdetailaspossible.

2.Verifythesymptoms.Trytore-createthefailurebyrunningthediagnostictestorbyrepeatingthe
operation.

LenovoSolutionCenter

TheLenovoSolutionCenterprogramenablesyoutotroubleshootandresolvecomputerproblems.It
combinesdiagnostictests,systeminformationcollection,securitystatus,andsupportinformation,along
withhintsandtipsformaximumsystemperformance.

TheLenovoSolutionCenterprogramisavailablefordownloadathttp://www.lenovo.com/diags.

ToruntheLenovoSolutionCenterprogram,gotoControlPanelandclickSystemandSecurity➙Lenovo-
SystemHealthandDiagnostics,andthenfollowtheinstructionsonthescreen.

FormoreinformationabouttheLenovoSolutionCenterprogram,refertothehelpinformationsystem
oftheprogram.

Quicktestprograms

Runquicktestprogramstotroubleshootandresolvecomputerproblems,especiallywhenthecomputer
doesnothavetheLenovoSolutionCenterprograminstalled.

Lenovoprovidesthefollowingquicktestprograms:

•LenovoHardDriveQuickTest:Usethisprogramtotroubleshootandresolveinternalstorageproblems.

•LenovoMemoryQuickTest:Usethisprogramtotroubleshootandresolvememorymoduleproblems.

24HardwareMaintenanceManual

Thequicktestprogramsareapplicableonthefollowingoperatingsystems:

•Microsoft

®

Windows

®

10

•MicrosoftWindows8.1

•MicrosoftWindows8

•MicrosoftWindows7

•MicrosoftWindowsXP

•MicrosoftWindowsServer

®

2003

•MicrosoftWindowsServer2008

Todownloadandinstallaquicktestprogram,gotohttp://www.lenovo.com/diags,andfollowtheinstructions
ontheWebsite.

Torunatestusingquicktestprogram,dothefollowing:

1.GototheC:\SWTOOLS\ldiagdirectory.

2.Double-clickthegui_lsc_lite.exefile.

3.WhentheUserAccountControlwindowopens,clickY es.

4.Selectthedeviceclasstobetested.

5.Selectthedevicestobetested.

6.Selectthetesttobeperformed.

7.Followtheinstructionsonthescreentostartthetest.Whenaproblemisdetected,information
messagesaredisplayed.Refertothemessagestotroubleshoottheproblem.

UEFIdiagnosticprogram

AUEFIdiagnosticprogramispreinstalledonthecomputer.Itenablesyoutotestmemorymodulesand
internalstoragedevices,viewsysteminformation,andcheckandrecoverbadsectorsoninternalstorage
devices.

ToruntheUEFIdiagnosticprogram,dothefollowing:

1.T urnonthecomputer.Ifthecomputercannotbeturnedon,goto“Powersystemcheckout”onpage26,
andcheckthepowersources.Ifanerrorcodeisdisplayed,goto“Symptom-to-FRUindex”onpage38
forerrorcodedescriptionsandtroubleshootinghints.

2.Whenthelogoscreenisdisplayed,repeatedlypressandreleasetheF10key.Themainscreenofthe
UEFIdiagnosticprogramisdisplayed.

3.Followtheinstructionsonthescreentousethediagnosticprogram.

Theoptionsonthemainscreenareasfollows:

Table1.ItemsonthemainscreenoftheUEFIdiagnosticprogram

TestsTools

•QuickMemoryT est

•QuickStorageDeviceTest

•LCDtest

•PCI-etest

•ExitApplication

•SystemInformation

•Generateconfigurationfile

•Executefromconfigurationfile

•RecoverBadSectorsT ool*

*RecoverBadSectorsToolisonlyavailableoncomputersthathaveharddiskdrivesinstalled.

Chapter3.Generalcheckout25

Bootablediagnosticprograms

IfthecomputeryouareservicingisnotinstalledwiththeUEFIdiagnosticprogram,youcandownloada
bootablediagnosticprogramfromtheLenovoSupportWebsite.Thebootablediagnosticprogramsenable
youtotestcomputermemoryandinternalstoragedevices,viewsysteminformation,andcheckandrecover
theinternalstoragedevices.T ousethebootablediagnosticprograms,youcancreateabootablediagnostic
mediumonaUSBdeviceorCD.

Tocreateabootablediagnosticmedium,dothefollowing:

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

2.ClickLenovoBootableDiagnostics.

3.FollowtheinstructionsontheWebsitetocreateabootablediagnosticmediumonaUSBdeviceorCD.

Tousethediagnosticmediumyouhavecreated,dooneofthefollowing:

•IfyouhavecreatedthebootablediagnosticmediumonaUSBdevice,dothefollowing:

1.AttachtheUSBdevicetothecomputer.

2.T urnonthecomputer.Ifthecomputercannotbeturnedon,goto“Powersystemcheckout”onpage
26,andcheckthepowersources.Ifanerrorcodeisdisplayed,goto“Symptom-to-FRUindex”on
page38

3.Whenthelogoscreenisdisplayed,repeatedlypressandreleasetheF12key.WhentheBootMenu
windowopens,releasetheF12key.

4.UsethearrowkeystoselectUSBHDDandthenpressEnter.Thediagnosticprogramwillbe
launchedautomatically.

5.Followtheinstructionsonthescreentousethediagnosticprogram.

•IfyouhavecreatedthebootablediagnosticmediumonaCD,dothefollowing:

1.T urnonthecomputer.Ifthecomputercannotbeturnedon,goto“Powersystemcheckout”onpage
26,andcheckthepowersources.Ifanerrorcodeisdisplayed,goto“Symptom-to-FRUindex”on
page38forerrorcodedescriptionsandtroubleshootinghints.

2.InserttheCDintotheopticaldrive.

3.Restartthecomputer.

4.Whenthelogoscreenisdisplayed,repeatedlypressandreleasetheF12key.WhentheBootMenu
windowopens,releasetheF12key.

5.UsethearrowkeystoselectA T APICDx(x:0,1,...)andthenpressEnter.Thediagnosticprogram
willbelaunchedautomatically.

6.Followtheinstructionsonthescreentousethediagnosticprogram.

forerrorcodedescriptionsandtroubleshootinghints.

Powersystemcheckout

Toverifyifabatterypackoranacpoweradapterisfunctional,dothefollowing:

1.T urnoffthecomputer.

2.Connecttheacpoweradapter.

3.T urnonthecomputer.Ifthecomputercanbeturnedon,itmeansthateitherthebatterypackortheac
poweradapterisfunctional.

4.Insertastraightenedpaperclipintotheemergencyresetholetoresetthecomputer.Ifthecomputeris
stillpoweredon,itmeansthattheacpoweradapterisfunctional.

5.T urnoffthecomputer.

6.Disconnecttheacpoweradapterandturnonthecomputer.Ifthecomputercanbeturnedon,it
meansthatthebatterypackisfunctional.

Ifyoususpectapowerproblem,seetheappropriateoneofthefollowingpowersupplycheckouts:

•“Checkingtheacpoweradapter”onpage27

26HardwareMaintenanceManual

•“Checkingthebatteryandoperationalcharging”onpage27

(20V)

1

3

2

•“Checkingthecoin-cellbattery”onpage28

Checkingtheacpoweradapter

Youareherebecausethecomputerfailsonlywhentheacpoweradapterisused.

•Ifthepowerproblemoccursonlywhenthedockingstationortheportreplicatorisused,replacethe
dockingstationortheportreplicator.

•Ifthesystemstatusindicatordoesnotblinkthreetimeswhenanacpowersourceisconnected,check
thepowercordoftheacpoweradapterforcorrectcontinuityandinstallation.

•Ifthecomputerdoesnotchargeduringoperation,goto“Checkingthebatteryandoperationalcharging”
onpage27

Tochecktheacpoweradapter,dothefollowing:

1.Unplugtheacpoweradaptercablefromthecomputer.

2.Measuretheoutputvoltageattheplugoftheacpoweradaptercable.Seethefollowingillustration:

.

Pin

1+20

20

3

Voltage(Vdc)

Ground

Note:Outputvoltageofpin2oftheacpoweradaptermightdifferfromtheoneyouareservicing.

3.Ifthevoltageisnotcorrect,replacetheacpoweradapter.

4.Ifthevoltageisacceptable,replacethesystemboard.

Note:Noisefromtheacpoweradapterdoesnotalwaysindicateadefect.

Checkingthebatteryandoperationalcharging

Thiscomputersupportsonlybatteriesspeciallydesignedforthisspecificsystemandmanufacturedby
Lenovooranauthorizedbuilder.Thesystemdoesnotsupportunauthorizedbatteriesorbatteriesdesigned
forothersystems.Ifanunauthorizedbatteryorabatterydesignedforanothersystemsisinstalled,the
systemwillnotcharge.

Attention:Lenovohasnoresponsibilityfortheperformanceorsafetyofunauthorizedbatteries,and
providesnowarrantiesforfailuresordamagearisingoutoftheiruse.

Moveyourpointertothebattery-statusiconintheWindowsnotificationareatocheckthebatterystatus.
Thebattery-statusicondisplaysthepercentageofbatterypowerremainingandhowlongyoucanuse
yourcomputerbeforeyoumustchargethebattery.

Tocheckwhetherthebatterychargesproperlyduringoperation,dothefollowing:

1.Dischargethebatteryuntiltheremainedbatterypowerislessthan50%.

2.Connectthecomputertoacpowertochargethebattery.IfthebatterystatusiconintheWindows
notificationareaindicatesthatthebatteryisnotcharging,removethebatteryandletitreturntoroom
temperature.

3.Reinstallthebattery.Ifthebatteryisstillnotcharging,replacethebatterypack.

4.Checkthebatterystatusiconagain.Ifthesameerrorstillexists,replacethesystemboard.

Chapter3.Generalcheckout27

Checkingthecoin-cellbattery

Tocheckthecoin-cellbattery,dothefollowing:

1.Removethebatterypack.See“1010Batterypack”onpage60.

2.Removethecoin-cellbattery.See“1100Coin-cellbattery”onpage69.

3.Measurethevoltageofthecoin-cellbattery.Seethefollowingillustration.

Wire

Red+2.5to+3.2

Black

Voltage(Vdc)

Ground

•Ifthevoltageiscorrect,replacethesystemboard.

•Ifthevoltageisnotcorrect,replacethecoin-cellbattery.

•Ifthecoin-cellbatterydischargesquicklyafterreplacement,replacethesystemboard.

28HardwareMaintenanceManual

Chapter4.Relatedserviceinformation

Thischapterpresentsfollowinginformation:

•“RestoringthefactorycontentsbyusingtheRecoveryDiscSet”onpage29

•“UsingtheWindowsrecoverysolutions(forWindows8andWindows8.1only)”onpage30

•“RecoveryoverviewfortheWindows10operatingsystem”onpage33

•“Passwords”onpage35

•“Powermanagement”onpage36

•“Symptom-to-FRUindex”onpage38

ServiceWebsite:Whenthelatestmaintenancedisketteandthesystemprogramservicediskettebecome
available,theywillbepostedonhttp://www.lenovo.com/support

RestoringthefactorycontentsbyusingtheRecoveryDiscSet

Whenthemainstoragedriveisreplacedbecauseofafailure,noproductrecoveryprogramisonthenew
drive.Inthiscase,thecustomermustusetheRecoveryDiscSettorecoverthecomputer.Orderthe
RecoveryDiscSetandthedriveatthesametimesothatthecustomercanrestorethecomputertothe
factorydefaultsettingsbyusingtheRecoveryDiscSetafterthenewdriveisinstalled.Forinformationabout
whichdiscstoorder,gotohttp://www.lenovo.com/serviceparts-lookup.

Dependingonthemodel,thenumberofrecoverydiscsincludedintheRecoveryDiscSetdiffers.The
RecoveryDiscSetmightconsistoftheuserinstructionsandthefollowingsetofDVDstorestorethe
computertotheoriginalfactoryconfiguration.

•OperatingSystemRecoveryDisc(onedisc):ThisdiscrestorestheMicrosoftWindowsoperatingsystem.
Usethisdisctostarttherecoveryprocess.

•ApplicationsandDriversRecoveryDisc(oneormorediscs):Thisdiscrestoresthepreinstalled
applicationsanddriversonthecomputer.

•SupplementalRecoveryDisc:Thisdisccontainsadditionalcontent,suchasupdatestothesoftwarethat
waspreinstalledonthecomputer.NotallrecoverydiscsetscomewithaSupplementalRecoveryDisc.

Notes:

•Y oumusthaveaDVDdrivetousetherecoverydiscs.IfyoudonothaveaninternalDVDdrive,you
canuseanexternalUSBDVDdrive.

•Duringtherecoveryprocess,alldataonthedrivewillbedeleted.Ifpossible,copyanyimportantdata
orpersonalfilesthatyouwanttokeepontoremovablemediaoranetworkdrivebeforeyoustartthe
recoveryprocess.

TorestorethecomputertotheoriginalfactoryconfigurationusingtheRecoveryDiscSet,dothefollowing:

Note:Recoverycantakeonetotwohourstocomplete.Thelengthoftimedependsonthemethodyouuse.
Ifyouuserecoverydiscs,therecoveryprocesswilltakeabouttwohours.

1.MaketheCD/DVDdrivethefirststartupdeviceinthestartupsequenceusingthefollowingprocedure:

a.PressandholddowntheF1key,andthenturnonthecomputer.Whenthelogoscreenisdisplayed

orwhenyouhearrepeatingbeeps,releasetheF1key.TheThinkPadSetupprogramopens.

b.UsethearrowkeystoselectStartup➙Boot.

c.SelecttheCD/DVDdriveasthe1stBootDevice.

2.InserttheOperatingSystemRecoveryDiscintotheDVDdrive.

©CopyrightLenovo2013,2015

29

3.PressF10tosavetheThinkPadSetupprogramconfigurationchanges.Followtheinstructionsonthe
screentobegintherecoveryprocess.

4.SelectyourlanguageandclickNext.

5.Readthelicense.Ifyouagreewiththetermsandconditions,selectIacceptthesetermsand
conditionsandthenclickNext.Ifyoudonotagreewiththetermsandconditions,followthe
instructionsonthescreen.

6.ClickY esinthedisplayedwindowtobegintheoperatingsystemrecoveryprocess.

7.InserttheApplicationsandDriversRecoveryDiscwhenpromptedandthenclickOKtobeginthe
processofrecoveringapplicationsanddrivers.

8.IfyouhaveaSupplementalRecoveryDisc,insertitwhenpromptedandclickYes.Ifyoudonothavea
SupplementalRecoveryDisc,clickNo.

9.Whenallofthedatahasbeencopiedfromthelastdiscinthesetandhasbeenprocessed,removethe
discandrestartthecomputer.

Note:Therestoftherecoveryprocessisfullyautomatedandnoactionfromyouisrequired.The
computerwillrestartintotheMicrosoftWindowsdesktopseveraltimesandyoumightexperience
periodswhennoactivityisapparentonthescreenforseveralminutesatatime.Thisisnormal.

10.Whentherecoveryprocessiscomplete,theSetUpWindowsscreenisdisplayed.Followthe
instructionsonthescreentocompletetheWindowssetup.

11.AfteryouhavecompletedtheWindowssetup,youmightwanttorestoretheoriginalstartupsequence.
StarttheThinkPadSetupprogramandthenpressF9torestorethedefaultsettings.PressF10tosave
changesandexittheThinkPadSetupprogram.

Note:Afterrestoringadrivetothefactorydefaultsettings,youmightneedtoreinstallsomedevicedrivers.

UsingtheWindowsrecoverysolutions(forWindows8andWindows

8.1only)

ThissectionprovidesinformationabouttherecoverysolutionsfortheWindows8andWindows8.1
operatingsystems.

AWindowsrecoveryimageispreinstalledintherecoverypartitiononyourcomputer.TheWindowsrecovery
imageenablesyoutorefreshyourcomputer,orresetyourcomputertothefactorydefaultsettings.

YoucancreaterecoverymediaasbackupsorreplacementfortheWindowsrecoveryimage.Withthe
recoverymedia,youcantroubleshootandfixtheproblemsonyourcomputerevenifyoucannotstartthe
Windows8orWindows8.1operatingsystem.Itisrecommendedthatyoucreaterecoverymediaasearlyas
possible.Formoreinformation,see“Creatingandusingrecoverymedia”onpage32.

Refreshingyourcomputer

Ifyourcomputerdoesnotperformwellandtheproblemmightbecausedbyarecentlyinstalledprogram,
youcanrefreshyourcomputerwithoutlosingyourpersonalfilesorchangingyoursettings.

Attention:Ifyourefreshyourcomputer,theprogramsthatcamewithyourcomputerandtheprogramsthat
youinstalledfromWindowsStorewillbereinstalled,butallotherprogramswillberemoved.

Torefreshyourcomputer,dothefollowing:

1.Dependingontheoperatingsystem,dooneofthefollowing:

•ForWindows8:

Moveyourpointertothetop-rightorbottom-rightcornerofthescreentodisplaythecharms.Click
Settings➙ChangePCsettings➙General.

•ForWindows8.1:

30HardwareMaintenanceManual

Moveyourpointertothetop-rightorbottom-rightcornerofthescreentodisplaythecharms.Click
Settings➙ChangePCsettings➙Updateandrecovery➙Recovery.

2.IntheRefreshyourPCwithoutaffectingyourfilessection,clickGetstarted.

3.Followtheinstructionsonthescreentorefreshyourcomputer.

Resettingyourcomputertothefactorydefaultsettings

Ifyouwanttorecycleyourcomputerorjuststartover,youcanresetyourcomputertothefactorydefault
settings.Resettingthecomputerwillreinstalltheoperatingsystem,reinstallalltheprogramsthatcamewith
yourcomputer,andresetallthesettingstothefactorydefaultsettings.

Attention:Ifyouresetthecomputertothefactorydefaultsettings,allyourpersonalfilesandsettingswillbe
deleted.T oavoiddataloss,makeabackupcopyofallthedatathatyouwanttokeep.

Toresetyourcomputertothefactorydefaultsettings,dothefollowing:

1.Dependingontheoperatingsystem,dooneofthefollowing:

•ForWindows8:

Moveyourpointertothetop-rightorbottom-rightcornerofthescreentodisplaythecharms.Click
Settings➙ChangePCsettings➙General.

•ForWindows8.1:

Moveyourpointertothetop-rightorbottom-rightcornerofthescreentodisplaythecharms.Click
Settings➙ChangePCsettings➙Updateandrecovery➙Recovery.

2.IntheRemoveeverythingandreinstallWindowssection,clickGetstarted.ThenclickNextto
confirmtheoperation.

3.Dependingonyourneeds,dooneofthefollowing:

•T operformaquickformat,clickJustremovemyfilestostarttheprocess.Theprocesswilltake

severalminutes.

•T operformacompleteformat,clickFullycleanthedrivetostarttheprocess.Theprocesswill

takeseveralhours.

4.Followtheinstructionsonthescreentoresetyourcomputertothefactorydefaultsettings.

Usingtheadvancedstartupoptions

Withtheadvancedstartupoptions,youcanchangethefirmwaresettingsofthecomputer,changethe
startupsettingsoftheWindowsoperatingsystem,startthecomputerfromanexternaldevice,orrestorethe
Windowsoperatingsystemfromasystemimage.

Tousetheadvancedstartupoptions,dothefollowing:

1.Dependingontheoperatingsystem,dooneofthefollowing:

•ForWindows8:

Moveyourpointertothetop-rightorbottom-rightcornerofthescreentodisplaythecharms.Click
Settings➙ChangePCsettings➙General.

•ForWindows8.1:

Moveyourpointertothetop-rightorbottom-rightcornerofthescreentodisplaythecharms.Click
Settings➙ChangePCsettings➙Updateandrecovery➙Recovery.

2.IntheAdvancedstartupsection,clickRestartnow➙T roubleshoot➙Advancedoptions.

3.Selectadesiredstartupoption,thenfollowtheinstructionsonthescreen.

Chapter4.Relatedserviceinformation31

UsingtheWindowsrecoveryenvironment

TheWindowsrecoveryenvironmentonyourcomputeriscapableofoperatingindependentlyfromthe
Windows8orWindows8.1operatingsystem.Thisenablesyoutorecoverorrepairtheoperatingsystem
eveniftheWindows8orWindows8.1operatingsystemfailstostart.

Aftertwoconsecutivefailedbootattempts,theWindowsrecoveryenvironmentstartsautomatically.Then
youcanchooserepairandrecoveryoptionsbyfollowingtheinstructionsonthescreen.

Note:Ensurethatyourcomputerisconnectedtoacpowerduringtherecoveryprocess.

Creatingandusingrecoverymedia

YoucancreaterecoverymediaasbackupsfortheWindowsrecoveryenvironmentandtheWindows
recoveryimage.Ifyoucannotstartthecomputer,youcanuserecoverymediatotroubleshootandfixthe
problemsonyourcomputer.

Itisrecommendedthatyoucreaterecoverymediaasearlyaspossible.Onceyoucreaterecoverymedia,
keeptheminasafeplaceanddonotusethemtostoreotherdata.

Creatingrecoverymedia

Tocreaterecoverymedia,youneedaUSBdrivewithatleast16GBofstorage.TherequiredUSBcapacity
dependsonthesizeoftherecoveryimage.

Attention:CreatingrecoverymediawilldeleteanythingstoredontheUSBdrive.T oavoiddataloss,makea
backupcopyofallthedatathatyouwanttokeep.

Tocreaterecoverymedia,dothefollowing:

Note:Ensurethatyourcomputerisconnectedtoacpower.

1.Moveyourpointertothetop-rightorbottom-rightcornerofthescreentodisplaythecharms,and
clickSearch.

2.Dependingontheoperatingsystem,dooneofthefollowing:

•ForWindows8:

TyperecoveryintheSearchfieldandclickSettings.ThenclickCreatearecoverydrive.

•ForWindows8.1:

TyperecoveryintheSearchfieldandclicktheSearchbutton.ThenclickCreatearecoverydrive.

3.ClickY esintheUserAccountControlwindowtoallowtheRecoveryMediaCreatorprogramtostart.

4.EnsurethatyouselecttheCopytherecoverypartitionfromthePCtotherecoverydrive.option.
ThenclickNext.

Important:IfyoucleartheCopytherecoverypartitionfromthePCtotherecoverydrive.option,
youwillcreaterecoverymediawithouttherecoverypartitioncontent.Youstillcanstartthecomputer
fromtherecoverymedia,butyoumightbeunabletorecoveryourcomputeriftherecoverypartitionon
yourcomputerisdamaged.

5.ConnectaproperUSBdrivethenclickNext.

6.ClickCreateintheRecoveryDrivewindow.Thecreationoftherecoverymediastarts.

7.Whenthecreationoftherecoverymediafinishes,dooneofthefollowing:

•T okeeptherecoverypartitiononyourcomputer,clickFinish.

•T odeletetherecoverypartitiononyourcomputer,clickDeletetherecoverypartition.

32HardwareMaintenanceManual

Attention:Ifyoudeletetherecoverypartitiononyourcomputer,dokeeptherecoverymediaina

safeplace.TheWindowsrecoveryimagewillnotbestoredinyourcomputeranymore,andyouwill
needtherecoverymediatorefreshorresetyourcomputer.

8.RemovetheUSBdrive.Therecoverymediaarecreatedsuccessfully.

Usingrecoverymedia

Ifyoucannotstartyourcomputer,orifyoucannotstarttheWindowsrecoveryimageonyourcomputer,use
recoverymediatorecoveryourcomputer.

Touserecoverymedia,dothefollowing:

Note:Ensurethatyourcomputerisconnectedtoacpower.

1.T urnonorrestartthecomputer.BeforetheWindowsoperatingsystemstarts,repeatedlypressF12.The
BootMenuwindowopens.

2.Selecttherecoverydriveasthebootdevice.

3.Selectapreferredlanguageandthenselectapreferredkeyboardlayout.

4.ClickTroubleshoottodisplaytheoptionalrecoverysolutions.

5.Selectacorrespondingrecoverysolutionaccordingtoyoursituation.Forexample,selectResetyour
PCifyouwanttoresetyourcomputertothefactorydefaultsettings.

FormoreinformationabouttherecoverysolutionsprovidedbytheWindows8andWindows8.1operating
systems,goto:
http://go.microsoft.com/fwlink/?LinkID=263800

RecoveryoverviewfortheWindows10operatingsystem

TheWindowsrecoveryprogramsenableyoutoresetyourcomputeroruseadvancedstartupoptions.

ItisrecommendedthatyoucreatearecoveryUSBdriveasearlyaspossible.StoretherecoveryUSBdrive
asabackuporreplacementfortheWindowsrecoveryprograms.

Formoreinformation,see“CreatingandusingarecoveryUSBdrive”onpage34.

Resettingyourcomputer

Ifyourcomputerdoesnotperformwell,youmightconsiderresettingyourcomputer.Intheresettingprocess,
youcanchoosetokeepyourfilesorremovethem,andthenreinstalltheWindowsoperatingsystem.

Toresetyourcomputer,dothefollowing:

Note:Thegraphicaluserinterface(GUI)itemsoftheoperatingsystemmightchangewithoutnotice.

1.OpentheStartmenuandthenclickSettings.IfSettingsisnotdisplayed,clickAllappstodisplayall
programs,andthenclickSettings➙Update&security➙Recovery.

2.IntheResetthisPCsection,clickGetstarted.

3.Followtheinstructionsonthescreentoresetyourcomputer.

Usingadvancedstartupoptions

Withadvancedstartupoptions,youcanchangethefirmwaresettingsofthecomputer,changethestartup
settingsoftheWindowsoperatingsystem,startthecomputerfromanexternaldevice,orrestorethe
Windowsoperatingsystemfromasystemimage.

Chapter4.Relatedserviceinformation33

Touseadvancedstartupoptions,dothefollowing:

Note:TheGUIitemsoftheoperatingsystemmightchangewithoutnotice.

1.OpentheStartmenuandthenclickSettings.IfSettingsisnotdisplayed,clickAllappstodisplayall

programs,andthenclickSettings➙Update&security➙Recovery.

2.IntheAdvancedstartupsection,clickRestartnow➙T roubleshoot➙Advancedoptions.

3.Selectadesiredstartupoption,thenfollowtheinstructionsonthescreen.

RecoveringyouroperatingsystemifWindows10failstostart

TheWindowsrecoveryenvironmentonyourcomputeriscapableofoperatingindependentlyfromthe
Windows10operatingsystem.Thisenablesyoutorecoverorrepairtheoperatingsystemevenifthe
Windows10operatingsystemfailstostart.

Aftertwoconsecutivefailedbootattempts,theWindowsrecoveryenvironmentstartsautomatically.Then
youcanchooserepairandrecoveryoptionsbyfollowingtheinstructionsonthescreen.

Note:Ensurethatyourcomputerisconnectedtoacpowerduringtherecoveryprocess.

CreatingandusingarecoveryUSBdrive

YoucancreatearecoveryUSBdriveasabackupfortheWindowsrecoveryprograms.Withtherecovery
USBdrive,youcantroubleshootandfixtheproblemsevenifthepreinstalledWindowsrecoveryprograms
aredamaged.

CreatingarecoveryUSBdrive

TheUSBdrivethatyouusetocreatetherecoveryUSBdrivemustbeatleast16GBofstorage.Theactual
USBcapacitythatisrequireddependsonthesizeoftherecoveryimage.

Attention:ThecreationprocessdeletesanythingstoredontheUSBdrive.T oavoiddataloss,makea
backupcopyofallthedatathatyouwanttokeep.

TocreatearecoveryUSBdrive,dothefollowing:

Note:Ensurethatyourcomputerisconnectedtoacpowerduringthefollowingprocess.

1.ConnectaproperUSBdrive(atleast16GBofstorage).

2.T yperecoveryinthesearchboxonthetaskbar.ThenclickCreatearecoverydrive.

3.ClickY esintheUserAccountControlwindowtoallowtheRecoveryMediaCreatorprogramtostart.

4.IntheRecoveryDrivewindow,followtheon-screeninstructionstocreatearecoveryUSBdrive.

UsingtherecoveryUSBdrive

Ifyoucannotstartyourcomputer,usetherecoveryUSBdrivetorecoveryourcomputer.

TousearecoveryUSBdrive,dothefollowing:

Note:Ensurethatyourcomputerisconnectedtoacpower.

1.ConnecttherecoveryUSBdrivetothecomputer.

2.T urnonorrestartthecomputer.BeforetheWindowsoperatingsystemstarts,repeatedlypresstheF12
key.TheBootMenuwindowopens.

3.SelecttherecoveryUSBdriveasthebootdevice.

4.Selectapreferredkeyboardlayout.

34HardwareMaintenanceManual

5.ClickTroubleshoottodisplaytheoptionalrecoverysolutions.

6.Selectacorrespondingrecoverysolutionaccordingtoyoursituation.Thenfollowtheinstructionson
thescreentocompletetheprocess.

Passwords

AsmanyasthreepasswordsmaybeneededforanyThinkPadnotebookcomputer:thepower-onpassword,
theharddiskpassword,andthesupervisorpassword.

Ifanyofthesepasswordshasbeenset,apromptforitwillbedisplayedonthescreenwheneverthe
computeristurnedon.Thecomputerdoesnotstartuntilthepasswordisentered.

Note:Ifonlyasupervisorpasswordisset,thepasswordpromptwillnotbedisplayedwhentheoperating
systemisstarted.

Power-onpassword

Apower-onpasswordprotectsthesystemfrombeingpoweredonbyanunauthorizedperson.The
passwordmustbeenteredbeforeanoperatingsystemcanbestarted.Forinstructionsonhowtoremove
thepower-onpassword,see“Howtoremovethepower-onpassword”onpage35

.

Harddiskpassword

Therearetwokindsofharddiskpasswords:

•Userharddiskpassword-fortheuser

•Masterharddiskpassword-forthesystemadministrator,whocanuseittogetaccesstotheharddisk
eveniftheuserhaschangedtheuserharddiskpassword

Note:Therearetwomodesfortheharddiskpassword:UseronlyandMaster+User.TheMaster+User
moderequirestwoharddiskpasswords;thesystemadministratorentersbothinthesameoperation.The
systemadministratorthenprovidestheuserharddiskpasswordtothesystemuser.

Attention:Iftheuserharddiskpasswordhasbeenforgotten,checkwhetheramasterharddiskpassword
hasbeenset.Ifithas,itcanbeusedforaccesstotheharddiskdrive.Ifnomasterharddiskpasswordis
available,neitherLenovonorLenovoauthorizedservicetechniciansprovideanyservicestoreseteither
theuserorthemasterharddiskpassword,ortorecoverdatafromtheharddiskdrive.Theharddiskdrive
canbereplacedforascheduledfee.

Forhowtoremovetheharddiskpassword,see“Howtoremovetheharddiskpassword”onpage36

.

Supervisorpassword

AsupervisorpasswordprotectsthesysteminformationstoredintheThinkPadSetup.Theusermustenter
thesupervisorpasswordinordertogetaccesstotheThinkPadSetupandchangethesystemconfiguration.

Attention:Ifthesupervisorpasswordhasbeenforgottenandcannotbemadeavailabletotheservice
technician,thereisnoserviceproceduretoresetthepassword.Thesystemboardmustbereplacedfor
ascheduledfee.

Howtoremovethepower-onpassword

Toremoveapower-onpassword,dothefollowing:

Ifnosupervisorpasswordhasbeenset,dothefollowingtoremovethepower-onpassword:

1.T urnoffthecomputer.

Chapter4.Relatedserviceinformation35

2.Removethebatterypack.Forinstructionsonhowtoremovethebatterypack,see“1010Battery
pack”onpage60.

3.Removethecoin-cellbattery.Forinstructionsonhowtoremovethecoin-cellbattery,see“1100
Coin-cellbattery”onpage69.Waitforafewseconds.

4.Reinstallthecoin-cellbattery.Forinstructionsonhowtoinstallthecoin-cellbattery,see“1100Coin-cell
battery”onpage69.

5.Reinstallthebatterypack.Forinstructionsonhowtoinstallthebatterypack,see“1010Batterypack”
onpage60.

6.T urnonthecomputerandwaituntilthePOSTends.AfterthePOSTends,thepasswordpromptdoes
notappear.Thepower-onpasswordhasbeenremoved.

Ifasupervisorpasswordhasbeensetandisknowntotheservicetechnician,dothefollowingtoremove
thepower-onpassword:

1.T urnonthecomputer.

2.WhentheThinkPadlogocomesup,immediatelypressF1.

3.T ypethesupervisorpasswordtoentertheThinkPadSetupprogram.

4.SelectSecurity.

5.SelectPassword.

6.SelectPower-OnPassword.

7.T ypethecurrentsupervisorpasswordintheEnterCurrentPasswordfield.thenleavetheEnter
NewPasswordfieldblank,andpressEntertwice.

8.IntheChangeshavebeensavedwindow,pressEnter.

9.PressF10tosavechangesandexittheThinkPadSetupprogram.

Howtoremovetheharddiskpassword

Attention:IfUseronlymodeisselectedandtheuserharddiskpasswordhasbeenforgottenandcannotbe

madeavailabletotheservicetechnician,neitherLenovonorLenovoauthorizedservicetechniciansprovide
anyservicestoresettheuserharddiskpasswordsortorecoverdatafromtheharddiskdrive.T oputthe
systembacktooperationalstatus,theonlyLenovoandLenovo-authorizedservicesolutionwouldbeto
replacetheharddiskdriveorsolid-statedrivewithascheduledfee.

Toremoveauserharddiskpasswordthathasbeenforgotten,whenthesupervisorpasswordandmaster
harddiskpasswordareknown,dothefollowing:

1.T urnonthecomputer.

2.Whenthelogoscreencomesup,immediatelypressF1toentertheThinkPadSetupprogram.

3.SelectSecurity.

4.SelectPassword.

5.SelectHard-diskxpassword,wherexistheletteroftheharddiskdrive.Apop-upwindowopens.

6.SelectMasterharddiskpassword.

7.T ypethecurrentmasterharddiskpasswordintheEnterCurrentPasswordfield.ThenleavetheEnter
NewPasswordfieldblank,andpressEntertwice.

8.PressF10.

9.PressF10tosavechangesandexittheThinkPadSetupprogram.Theuserharddiskpasswordandthe
masterharddiskpasswordhavebeenremoved.

Powermanagement

Toreducepowerconsumption,thecomputerhasthreepowermanagementmodes:screenblank,sleep,
andhibernation.

36HardwareMaintenanceManual

Screenblankmode(forWindows7only)

Ifthetimesetonthe“Turnoffmonitor”timerintheoperatingsystemexpires,theLCDbacklightturnsoff.

Toputthecomputerintoscreenblankmode,dothefollowing:

1.Right-clickthebatterygaugeonthetaskbar.

2.SelectPoweroffdisplay.

Toendscreenblankmodeandresumenormaloperation,pressanykey.

Sleepmode

Whenthecomputerenterssleepmode,thefollowingeventsoccurinadditiontowhatoccursinscreen
blankmode:

•TheLCDispoweredoff.

•Theharddiskdriveorsolid-statedriveispoweredoff.

•Themicroprocessorstops.

Toputyourcomputerintosleepmode,pressFn+4ordothefollowing:

•ForWindows7:OpentheStartmenu,thenclickthearrownexttotheShutdownbutton.ClickSleep
fromthemenudisplayed.

•ForWindows8andWindows8.1:Movethepointertothebottom-rightcornerofthescreentodisplaythe
charms.ThenclickSettings➙Power➙Sleep.

•ForWindows10:OpentheStartmenu,click

Power,andthenclickSleep.

Toreturntonormaloperation,presstheFnkeyonly.

Incertaincircumstances,thecomputergoesintosleepmodeautomatically:

•Afteraperiodofinactivityspecifiedinpowerplansettings

•Whenthebatterypowerislow

Hibernationmode

Inhibernationmode,thefollowingoccurs:

•Thesystemstatus,RAM,VRAM,andsetupdataarestoredontheharddiskdriveorsolid-statedrive.

•Thesystemispoweredoff.

Note:Ifthecomputerentersthehibernationmodewhileitisdockedtothedockingstationortheport
replicator,donotundockitbeforeresumingnormaloperation.Ifyoudoundockitandthentrytoresume
normaloperation,youwillgetanerrormessage,andyouwillhavetorestartthesystem.

Ifyouhavedefinedoneofthefollowingactionsastheeventthatcausesthesystemtogointohibernation
mode,performthataction.

•Closingthelid.

•Pressingthepowerbutton.

Also,thecomputergoesintohibernationmodeautomaticallyafteraperiodofinactivityspecifiedinpower
plansettings.

Whenthepoweristurnedon,thecomputerreturnsfromhibernationmodeandresumesoperation.The
hibernationfileinthebootrecordontheharddiskdriveorsolid-statedriveisread,andsystemstatusis
restoredfromtheharddiskdriveorsolid-statedrive.

Chapter4.Relatedserviceinformation37

Symptom-to-FRUindex

Thissectioncontainsfollowinginformation:

•“Numericerrorcodes”onpage38

•“Errormessages”onpage39

•“Beepsymptoms”onpage40

•“No-beepsymptoms”onpage40

•“LCD-relatedsymptoms”onpage40

•“Intermittentproblems”onpage41

•“Undeterminedproblems”onpage41

Thesymptom-to-FRUindexinthissectionlistssymptomsanderrorsandtheirpossiblecauses.Themost
likelycauseislistedfirst,inboldfacetype.

Note:DotheFRUreplacementorotheractionsinthesequenceshowninthecolumnheaded“FRUor
action,insequence.”IfreplacingaFRUdoesnotsolvetheproblem,puttheoriginalpartbackinthe
computer.DonotreplaceanondefectiveFRU.

Thisindexcanalsohelpyoudetermine,duringregularservicing,whatFRUsarelikelytoneedtobe
replacednext.

AnumericerrorisdisplayedforeacherrordetectedinPOSTorsystemoperation.Inthedisplays,ncan
beanynumber.

Ifnonumericcodeisdisplayed,checkthenarrativedescriptionsofsymptoms.Ifthesymptomisnot
describedthere,goto“Intermittentproblems”onpage41

.

Note:ForadevicenotsupportedbydiagnosticcodesintheThinkPadnotebookcomputers,seethe
manualforthatdevice.

Numericerrorcodes

Table2.Numericerrorcodes

Symptomorerror

0177

BadSVPdata,stopPOSTtask—Thechecksumofthe
supervisorpasswordintheEEPROMisnotcorrect.

0183

BadCRCofSecuritySettingsinEFIVariable.Enterthe
ThinkPadSetupprogram.–ThechecksumoftheSecurity
settingsintheEFIVariableisnotcorrect.

0187

EAIAdataaccesserror—TheaccesstoEEPROMisfailed.

0188

InvalidRFIDSerializationInformationArea.

0189

InvalidRFIDconfigurationinformationarea—The
EEPROMchecksumisnotcorrect.

0190

Criticallow-batteryerror

0191

SystemSecurity—InvalidRemoteChangerequested.

FRUoraction,insequence

Replacethesystemboard.

1.RuntheThinkPadSetupprogram.Thesettings
willbecorrectedautomatically.Thensavethe
currentsettingsbypressingF10.

2.Replacethesystemboard.

Replacethesystemboard.

Replacethesystemboard.

Replacethesystemboard.

1.Chargethebatterypack.

2.Replacethebatterypack.

1.RuntheThinkPadSetupprogram,andthensave

currentsettingbypressingF10.

2.Replacethesystemboard.

38HardwareMaintenanceManual

Table2.Numericerrorcodes(continued)

Symptomorerror

0199

SystemSecurity—Securitypasswordretrycount
exceeded.

1802

Unauthorizednetworkcardispluggedin—Turnoffand
removethenetworkcard.

1820

Morethanoneexternalfingerprintreaderisattached.
Poweroffandremoveallbutthereaderthatyousetup
withinyourmainoperatingsystem.

2100

DetectionerroronHDD0(MainHDD)

2101

DetectionerroronHDD1(UltrabayHDD)

2102

DetectionerroronHDD2(M.2SATA)

2110

ReaderroronHDD0(MainHDD)

2111

ReaderroronHDD1(UltrabayHDD)

2112

ReaderroronHDD2(M.2SAT A)

2200

MachineTypeandSerialNumberareinvalid.

2201

MachineUUIDisinvalid

FRUoraction,insequence

1.RuntheThinkPadSetupprogram.Theretrycount

willbereset.Thensavethecurrentsettingsby
pressingF10.

2.Replacethesystemboard.

1.Removenetworkcard.

2.Replacethesystemboard.

Removeallbutthereaderthatyousetupforthe
authentication.

1.Reseattheharddiskdrive.

2.Replacethemainharddiskdrive.

3.Replacethesystemboard.

1.Reseattheharddiskdrive.

2.ReplacetheUltrabay

3.Replacethesystemboard.

1.ReseattheM.2SATAdevice.

2.ReplacetheM.2SATAdevice.

3.Replacethesystemboard.

1.Reseattheharddiskdrive.

2.Replacethemainharddiskdrive.

3.Replacethesystemboard.

1.Reseattheharddiskdrive.

2.ReplacetheUltrabayharddiskdrive.

3.Replacethesystemboard.

1.ReseattheM.2SATAdevice.

2.ReplacetheM.2SATAdevice.

3.Replacethesystemboard.

Replacethesystemboard.

Replacethesystemboard.

®

harddiskdrive.

Errormessages

Table3.Errormessages

Symptomorerror

Fanerror.1.Replacethefan.

Thermalsensingerror.Replacethesystemboard.

FRUoraction,insequence

2.Applythermalgrease.

3.Replacethesystemboard.

Chapter4.Relatedserviceinformation39

Table3.Errormessages(continued)

Symptomorerror

Thebatteryinstalledisnotsupportedbythissystem
andwillnotcharge.Pleasereplacethebatterywiththe
correctLenovobatteryforthissystem.PresstheESC
keytocontinue.

Thissystemdoesnotsupportbatteriesthatarenot
genuineLenovomadeorauthorized.Thesystemwill
continuetoboot,butmaynotchargeunauthorized
batteries.PresstheESCkeytocontinue.
Attention:Lenovohasnoresponsibilityforthe
performanceorsafetyofunauthorizedbatteries,and
providesnowarrantiesforfailuresordamagearisingout
oftheiruse.

Beepsymptoms

Table4.Beepsymptoms

FRUoraction,insequence

Replacethebattery.

Replacethebattery.

Symptomorerror

Fourcyclesoffourshortbeeps

Oneshortbeep,pause,threeshortbeeps,pause,three
moreshortbeeps,pause,andoneshortbeep

FiveshortbeepsReplacethesystemboard.

Threeshortbeeps,pause,oneshortbeep,pause,one
moreshortbeep,pause,andthreeshortbeeps

Onelongandtwoshortbeeps

FRUoraction,insequence

Replacethesystemboard.

1.Replacethememorymodule.

2.Replacethesystemboard.

RemovethedevicefromExpressCardslot.

Replacethesystemboard.

No-beepsymptoms

Table5.No-beepsymptoms

Symptomorerror

Nobeep,power-onindicatoron,LCDblank,andno
POST.

Nobeep,power-onindicatoron,andLCDblankduring
POST.

Thepower-onpasswordpromptappears.Apower-onpasswordorasupervisorpasswordisset.

Thehard-diskpasswordpromptappears.Aharddiskpasswordisset.Typethepasswordand

FRUoraction,insequence

1.Ensurethateveryconnectorisconnectedtightly
andcorrectly.

2.Reseatmemorymodule.

3.Replacethesystemboard.

1.Reseatmemorymodule.

2.Replacethesystemboard.

TypethepasswordandpressEnter.

pressEnter.

LCD-relatedsymptoms

Important:TheTFTLCDforthenotebookcomputercontainsmanythin-filmtransistors(TFT s).The

presenceofasmallnumberofdotsthataremissing,discolored,oralwayslightedischaracteristicofTFT
LCDtechnology,butexcessivepixelproblemscancauseviewingconcerns.IftheLCDyouareservicinghas
twoorlessvisibledefectivepixels,itshouldnotbeconsideredfaulty.However,iftheLCDhasthreeormore
visibledefectivepixels,itwillbedeemedasdefectivebyLenovoanditshouldbereplaced.

Notes:

40HardwareMaintenanceManual

•ThispolicyappliestoallThinkPadnotebookspurchasedon1January,2008orlater.

•LenovowillnotprovidewarrantyreplacementiftheLCDiswithinspecificationsbecausewecannot
guaranteethatanyreplacementLCDwillhavezeropixeldefects.

•OnepixelconsistsofR,G,Bsub-pixels.

Table6.LCD-relatedsymptoms

Symptomorerror

Nobeep,power-onindicatoron,andablankLCDduring
POST.

•LCDbacklightnotworking.

•LCDtoodark.

•LCDbrightnesscannotbeadjusted.

•LCDcontrastcannotbeadjusted.

•LCDscreenunreadable.

•Charactersmissingpixels.

•Screenabnormal.

•Wrongcolordisplayed.

HorizontalorverticallinesdisplayedonLCD.ReplacetheLCDassembly.

FRUoraction,insequence

Replacethesystemboard.

1.ReseattheLCDconnectors.

2.ReplacetheLCDassembly.

3.Replacethesystemboard.

1.Seeimportantnotefor“LCD-relatedsymptoms.”

2.ReseatallLCDconnectors.

3.ReplacetheLCDassembly.

4.Replacethesystemboard.

Intermittentproblems

Intermittentsystemhangproblemscanbeduetoavarietyofcausesthathavenothingtodowithahardware
defect,suchascosmicradiation,electrostaticdischarge,orsoftwareerrors.FRUreplacementshouldbe
consideredonlywhenaproblemrecurs.

Whenanalyzinganintermittentproblem,dothefollowing:

1.Runthediagnostictestforthesystemboardinloopmodeatleast10times.

2.Ifnoerrorisdetected,donotreplaceanyFRUs.

3.Ifanyerrorisdetected,replacetheFRUshownbytheFRUcode.Rerunthetesttoverifythatno
moreerrorsexist.

Undeterminedproblems

Ifthediagnostictestsdidnotidentifytheadapterordevicethathasfailed,ifwrongdevicesareinstalled,
orifthesystemsimplyisnotoperating,followtheseprocedurestoisolatethefailingFRU(donotisolate
FRUsthathavenodefects).

Verifythatallattacheddevicesaresupportedbythecomputer.

Verifythatthepowersupplybeingusedatthetimeofthefailureisoperatingcorrectly.See“Powersystem
checkout”onpage26.

1.T urnoffthecomputer.

2.VisuallycheckeachFRUfordamage.ReplaceanydamagedFRU.

3.Removeordisconnectallofthefollowingdevices:
a.Non- ThinkPaddevices
b.Devicesattachedtothedockingstationortheportreplicator
c.Printer,mouse,andotherexternaldevices
d.Batterypack
e.Harddiskdriveorsolid-statedrive
f.Externaldiskettedriveoropticaldrive
g.Memorymodule
h.PCcards

4.T urnonthecomputer.

Chapter4.Relatedserviceinformation41

5.Determinewhethertheproblemhasbeensolved.

6.Iftheproblemdoesnotrecur,reconnecttheremoveddevicesoneatatimeuntilyoufindthefailingFRU.

7.Iftheproblemremains,replacethefollowingFRUsoneatatime(donotreplaceanondefectiveFRU):
a.Systemboard
b.LCDassembly

42HardwareMaintenanceManual

Chapter5.Statusindicators

32

4

1

5

6

Thischapterpresentsthestatusindicatorsthatshowthestatusofthecomputer.

Table7.Statusindicators

IndicatorMeaning

1FnLockindicator

2SpeakermuteindicatorOn:Thespeakersaremuted.

3Microphonemuteindicator

Off:TheFnLockfunctionisdisabled.T oinitiatethespecialfunctionofeachkey,
pressthecorrespondingfunctionkeydirectly.ToinputF1-F12,presstheFnkey
andthecorrespondingfunctionkey.

On:TheFnLockfunctionisenabled.ToinputF1-F12,pressthecorresponding
functionkeydirectly.Toinitiatethespecialfunctionofeachkey,presstheFnkey
andthecorrespondingfunctionkey.

On:Themicrophonesaremuted.

©CopyrightLenovo2013,2015

43

Table7.Statusindicators(continued)

IndicatorMeaning

4CamerastatusindicatorOn:Thecameraisinuse.

56Systemstatusindicator

Blinkingthreetimes:Thecomputerisinitiallyconnectedtopower.

On:Thecomputerisinuse.

Off:Thecomputerisofforinhibernationmode.

Slowblinking:Thecomputerisinsleepmode.

Fastblinking:Thecomputerisenteringhibernationmode.

44HardwareMaintenanceManual

Chapter6.Functionkeys

Thefollowingtabledescribesthefunctionsoffunctionkeysandkeycombinations.

Table8.Functionkeys

Functionkeyandkey
combination

Description

Mutesorunmutesthespeakers.

Ifyoumutethesoundandturnoffyourcomputer,thesoundwillremainmutedwhen
youturnonyourcomputeragain.T oturnonthesound,pressF2orF3.

Decreasesthespeakervolume.

Increasesthespeakervolume.

Mutesorunmutesthemicrophones.

Darkensthedisplay.

Brightensthedisplay.

Switchesthedisplayoutputlocationbetweenthecomputerdisplayandanexternal
monitor.

Enablesordisablesthewirelessfeatures.

ForWindows10:OpenstheSettingswindow.
ForWindows7:OpensControlPanel.
ForWindows8andWindows8.1:OpenstheSettingscharm.

Windows10:OpenstheCortana
ForWindows7:OpensWindowsSearch.
ForWindows8andWindows8.1:OpenstheSearchcharm.

Viewstheprogramsthatyouhaveopened.

®

searchbox.

©CopyrightLenovo2013,2015

ForWindows7:OpensComputer.
ForWindows10,8,andWindows8.1:Viewsalltheprograms.

Launchesthecalculator.

Lockstheoperatingsystem.

OpensthedefaultWebbrowser.

OpensComputer.

45

Table8.Functionkeys(continued)

Functionkeyandkey
combination

+

+

Fn+B

Fn+P

Fn+SHasthesamefunctionastheSysRqkeyonaconventionalkeyboard.

Fn+K

Description

PressFn+EsctoenableordisabletheFnLockfunction.

•WhentheFnLockfunctionisdisabled:TheFnLockindicatorisoff.T oinitiatethe
specialfunctionofeachfunctionkey,pressthecorrespondingfunctionkeydirectly.
ToinputF1-F12,presstheFnkeyandthecorrespondingfunctionkey.

•WhentheFnLockfunctionisenabled:TheFnLockindicatorturnson.ToinputF1-
F12,pressthecorrespondingfunctionkeydirectly.T oinitiatethespecialfunctionof
eachfunctionkey,presstheFnkeyandthecorrespondingfunctionkey.

Alternatively,youcanconfiguretheFnkeyandfunctionkeysintheKeyboardProperties
windowbydoingthefollowing:

1.GotoControlPanel,thenchangetheviewofControlPanelfromCategorytoLarge
iconsorSmallicons.

2.ClickKeyboard.IntheKeyboardPropertieswindow,clicktheThinkPadF1-F12
keysorFnandfunctionkeystab.

3.Selecttheoptionofyourpreference:

Controlsthekeyboardbacklight.

Therearethreemodesforthekeyboardbacklight:Off,Low,andHigh.Press
Fn+Spacebartochangethemodesofthekeyboardbacklight.

HasthesamefunctionastheBreakkeyonaconventionalkeyboard.

HasthesamefunctionasthePausekeyonaconventionalkeyboard.

HasthesamefunctionastheScrLKkeyonaconventionalkeyboard.

46HardwareMaintenanceManual

Chapter7.Locations

2

2

1

3

4

11

13

14

10

5

8

9

7

6

12

Thischapterintroducesthelocationsofthehardwarecomponentsonyourcomputer.

Locatingcomputercontrols,connectors,andindicators

Thistopicintroducesthelocationsofthecomputercontrols,connectors,andindicators.

Frontview

1Camera(onsomemodels)8SerialUltrabay™Enhancedbay

2Microphones

3Powerbutton

4Numerickeypad

5Security-lockslot12NearFieldCommunication(NFC)logo(onsome

9Smartcardslot

10Fingerprintreader(onsomemodels)

11Colorsensor(onsomemodels)

models)

6USB2.0connector13ThinkPadtrackpad(withorwithouttheTrackPoint

buttons)

14T rackPointpointingstick

7USB3.0connector

©CopyrightLenovo2013,2015

®

47

Rearview

1

2

4

5

6

7

8

9

10

3

1

2

3

4

5

1Ethernetconnector

2acpowerconnector

3Fanlouvers

4MiniDisplayPort

connector(dependingonthemodel)

5VGAconnector

Bottomview

®

connectororThunderbolt™

6Always-OnUSBconnector

7USB3.0connector

8ExpressCardslot(onsomemodels)

9Mediacardslot

10Audioconnector

1Batterypack4Keyboarddrainageholes

2SIMcardslot5Speakers

3Dockingstationconnector(onsomemodels)

48HardwareMaintenanceManual

LocatingFRUsandCRUs

Thistopicintroducesthefollowingserviceparts:

•“MajorFRUs”onpage50

•“LCDFRUs”onpage52

•“MiscellaneouspartsandotherFRUs”onpage53

Notes:

•EachFRUisavailableforalltypesormodels,unlessotherwisespecified.

•CRUstatementforcustomers:
Youcanresolvesomeproblemswithyourproductwithareplacementpartyoucaninstallyourself,calleda
“CustomerReplaceableUnit”or“CRU.”SomeCRUsaredesignatedasself-serviceCRUsandothersare
designatedasoptional-serviceCRUs.Installationofself-serviceCRUsisyourresponsibility.Foroptional-service

CRUs,youcaneitherinstalltheCRUyourselforyoucanrequestthataServiceProviderinstalltheCRUaccording
tothewarrantyserviceforyourproduct.IfyouintendoninstallingtheCRU,LenovowillshiptheCRUtoyou.CRU

informationandreplacementinstructionsareshippedwithyourproductandareavailablefromLenovoatanytime
uponrequest.Y oucanfindalistofCRUsforyourproductinthisHardwareMaintenanceManual.Anelectronic
versionofthismanualcanbefoundathttp://www.lenovo.com/UserManuals.Followtheon-screeninstructions
tofindthemanualforyourproduct.Y oumightberequiredtoreturnthedefectivepartthatisreplacedbythe
CRU.Whenreturnisrequired:(1)returninstructions,aprepaidshippinglabel,andacontainerwillbeincluded
withthereplacementCRU;and(2)youmightbechargedforthereplacementCRUifLenovodoesnotreceivethe
defectiveCRUwithinthirty(30)daysofyourreceiptofthereplacementCRU.SeeyourLenovoLimitedWarranty
documentationforfulldetails.

ThinkPadcomputerscontainthefollowingtypesofCRUs:
–Self-serviceCRUs:TheseCRUsunplugorareheldbynomorethantwoscrews.Examplesofthesetypes

ofCRUsincludetheacpoweradapter,powercord,andharddiskdrive.Otherself-serviceCRUsdepending
onproductdesignmightincludethememorymodule,wirelesscard,keyboard,andpalmrestwithfingerprint
readerandtouchpad.

–Optional-serviceCRUs:TheseCRUsareisolatedpartswithinthecomputerthatareconcealedbyanaccess

panelthatistypicallysecuredbymorethantwoscrews.Oncetheaccesspanelisremoved,thespecific
CRUisvisible.

Chapter7.Locations49

MajorFRUs

23

24

25

26

22

15

16

17

18

19

21

20

1

5

2

4

3

6

7

8

11

9

10

12

13

14

Table9.MajorFRUs

No.FRUdescriptions

1

LCDunit

2

NFCcard

Self-service
CRU

NoNo

NoNo

3KeyboardbezelassemblyNoNo

NoNo

YesNo

4FingerprintreaderNoNo

5

TrackpadNoNo

6

Magnesiumstructureframe

7

Opticaldrive

8WirelessWANcardYesNo

50HardwareMaintenanceManual

Optional-service
CRU

Table9.MajorFRUs(continued)

No.FRUdescriptions

Self-service
CRU

8M.2solid-statedriveNoNo

9WirelessLANcardYesNo

10

11

Coin-cellbattery

USBcard

YesNo

NoNo

12BatterypackYesNo

13BasecoverNoNo

14

Smallbottomdoor

YesNo

15LargebottomdoorYesNo

16

ExpressCardreaderordummyExpressCard

17

Harddiskdriveorsolid-statedrive(dependingonthemodel)

18

Speakerassembly

YesNo

YesNo

NoNo

19MicroprocessorNoNo

20

Systemboard

NoNo

21MemorymoduleY esNo

22

Thermalfanassembly

NoNo

23dc-incableassemblyNoNo

24

Colorsensor

NoNo

25KeyboardNoYes

26TrackPointcapYesNo

Optional-service
CRU

Chapter7.Locations51

LCDFRUs

2

7

2

8

2

1

2

2

2

3

2

4

2

5

2

6

Table10.LCDFRUs

No.FRUdescriptions

1

2

LCDfrontbezel

LCDpanel

Self-service
CRU

NoNo

NoNo

Optional-service
CRU

3HingesNoNo

4AntennakitNoNo

5

Camera-and-microphonecable

6

Camera-and-microphonecard

7

LCDrearcoverassembly

8

LCDcable

NoNo

NoNo

NoNo

NoNo

52HardwareMaintenanceManual

MiscellaneouspartsandotherFRUs

Table11.Miscellaneousparts

FRUdescriptions

Screwkit

•M2×3mm(silver),flat-head(300)

•M2×7mm(silver),flat-head(90)

•M2×9mm(black),flat-head(100)

•M2×2.5mm(black),flat-head(30)

•M2.5×6mm(black),flat-head(60)

•M2.5×2.5mm(black),flat-head(60)

•M2×3mm(silver),big-head(30)

•M2.5×3.5mm(black),flat-head(100)

•M2×2mm(black),flat-head(100)

•Spec

Systemboardmiscellaneouskit

•ThermalpadPCH

•Microprocessorsupportbracket

•VGAsupportbracket

•Spec

Basecovermiscellaneouskit

•BaseCoversubassemblypartswhichcanberemovable

•Spec

Systemmiscellaneouskit

•BracketKensingtonchassis

•Fingerprintreaderbracketassembly

•EMIgasketNFCcateron

•LCDbezelrubber

•LEDlens

•ThinkPadlogo

•Lenovologo

•Spec

Self-service
CRU

NoNo

NoNo

NoNo

NoNo

Optional-service
CRU

Table12.OtherFRUs

FRUdescriptions

acadapterYesNo

PowercordYesNo

Self-service
CRU

Optional-service
CRU

LookingupFRUinformation

FordetailedFRUinformation,includingpartnumbers,descriptions,andsubstitutionpartnumbers,goto:
http://www.lenovo.com/serviceparts-lookup

Chapter7.Locations53

54HardwareMaintenanceManual

Chapter8.FRUreplacementnotices

90degreesmore

(Cross-section)

Thischapterpresentsnoticesrelatedtoremovingandreplacingparts.Readthischaptercarefullybefore
replacinganyFRU.

CRUstatementforcustomers:

Youcanresolvesomeproblemswithyourproductwithareplacementpartyoucaninstallyourself,called
a“CustomerReplaceableUnit”or“CRU.”SomeCRUsaredesignatedasself-serviceCRUsandothers
aredesignatedasoptional-serviceCRUs.Installationofself-serviceCRUsisyourresponsibility.For

optional-serviceCRUs,youcaneitherinstalltheCRUyourselforyoucanrequestthataServiceProvider
installtheCRUaccordingtothewarrantyserviceforyourproduct.IfyouintendoninstallingtheCRU,

LenovowillshiptheCRUtoyou.CRUinformationandreplacementinstructionsareshippedwithyour
productandareavailablefromLenovoatanytimeuponrequest.YoucanfindalistofCRUsforyour
productinthisHardwareMaintenanceManual.Anelectronicversionofthismanualcanbefoundat
http://www.lenovo.com/UserManuals.ClickGuides&Manualsandthenfollowtheon-screeninstructions
tofindthemanualforyourproduct.Y oumightberequiredtoreturnthedefectivepartthatisreplacedby
theCRU.Whenreturnisrequired:(1)returninstructions,aprepaidshippinglabel,andacontainerwillbe
includedwiththereplacementCRU;and(2)youmightbechargedforthereplacementCRUifLenovodoes
notreceivethedefectiveCRUwithinthirty(30)daysofyourreceiptofthereplacementCRU.Seeyour
LenovoLimitedWarrantydocumentationforfulldetails.

Screwnotices

Loosescrewscancauseareliabilityproblem.IntheThinkPadnotebookcomputer,thisproblemisaddressed
withspecialnylon-coatedscrewsthathavethefollowingcharacteristics:

•Theymaintaintightconnections.

•Theydonoteasilycomeloose,evenwithshockorvibration.

•Theyarehardertotighten.

Dothefollowingwhenyouservicethismachine:

•Keepthescrewkitinyourtoolbag.Forthepartnumberofthescrewkit,goto
http://www.lenovo.com/serviceparts-lookup.

•Itisrecommendedtousenewscrews.

•Itisrecommendedtouseeachscrewonlyonce.

Tightenscrewsasfollows:

•Plastictoplastic
Turnanadditional90degreesafterthescrewheadtouchesthesurfaceoftheplasticpart.

•Logiccardtoplastic
Turnanadditional180degreesafterthescrewheadtouchesthesurfaceofthelogiccard.

©CopyrightLenovo2013,2015

55

180degreesmore

(Cross-section)

Notes:

•Ensurethatyouusethecorrectscrew.Itisrecommendedtousenewscrewsforreplacements.Ifyou
haveatorquescrewdriver,tightenallscrewsfirmlytothetorquespecifiedinthescrewinformation
tableforeachstep.

•Ensurethattorquescrewdriversarecalibratedcorrectlyfollowingcountryspecifications.

Retainingserialnumbers

Thissectionincludesthefollowingdescriptions:

•“Restoringtheserialnumberofthesystemunit”onpage56

•“RetainingtheUUID”onpage57

Restoringtheserialnumberofthesystemunit

Whenthecomputerwasmanufactured,theEEPROMonthesystemboardwasloadedwiththeserial
numbersofthesystemandallmajorcomponents.Thesenumbersneedtoremainthesamethroughout
thelifeofthecomputer.

Ifyoureplacethesystemboard,youmustrestoretheserialnumberofthesystemunittoitsoriginalvalue.

Theserialnumberofthesystemunitiswrittenonthelabelattachedtothebottomofthecomputer.

Ifyoucannotfindtheserialnumberofthesystemunitonthebottomofthecomputer,trythefollowing
methodtogetthenumber:

Note:Beforeyouperformtheoperation,ensurethattheUEFI/LegacysettingwithintheStartupmenuin
theThinkPadSetupprogramissettoUEFIOnly.

1.ConnectaUSBmemorykeytothecomputer.

2.Gotohttp://www.lenovo.com/maintenanceutilitiesandfollowtheinstructionsonthescreentocreatea
MaintenanceKey.

Note:OnlyanauthorizedLenovoservicetechniciancanaccesstheaboveWebsite.

3.Restartthecomputer.

4.Whenthelogoisdisplayed,pressEsc.TheThinkPadConfigInformationUpdateUtilityinterfaceis
displayed.

5.T ype1underEntertheactiondesired,thenpressEnter.TheThinkPadSerialNumberUpdateUtilityfor
AssetIDscreenisdisplayed.

6.T ype2underEntertheactiondesired,thenpressEnter.Theserialnumberofeachdeviceinyour
computerisdisplayed;theserialnumberofthesystemunitislistedasfollow:
20-Serialnumber

7.Recordtheserialnumberofthesystemunit.

Afteryoureplacethesystemboard,dothefollowingtorestoretheserialnumberofthesystemunit:

1.ConnecttheMaintenanceKeytothecomputer.

56HardwareMaintenanceManual

2.Whenthelogoisdisplayed,pressEsc.TheThinkPadConfigInformationUpdateUtilityinterfaceis
displayed.

3.T ype1underEntertheactiondesired,thenpressEnter.TheThinkPadSerialNumberUpdateUtilityfor
AssetIDscreenisdisplayed.

4.T ype1underEntertheactiondesired,thenpressEnter.Thenfollowtheinstructionsonthescreen
torestoretheserialnumberofthesystemunit.

RetainingtheUUID

TheUniversallyUniqueIdentifier(UUID)isa128-bitnumberuniquelyassignedtoyourcomputerat
productionandstoredintheEEPROMofyoursystemboard.

ThealgorithmthatgeneratesthenumberisdesignedtoprovideuniqueIDsuntiltheyearA.D.3400.Notwo
computersintheworldhavethesamenumber.

Whenyoureplacethesystemboard,performthefollowingstepstocreateanewUUIDforthesystem
boardifthesystemboarddoesnothaveaUUID:

Note:Beforeyouperformtheoperation,ensurethattheUEFI/LegacysettingwithintheStartupmenuin
theThinkPadSetupprogramissettoUEFIOnly.

1.ConnectaUSBmemorykeytothecomputer.

2.Gotohttp://www.lenovo.com/maintenanceutilitiesandfollowtheinstructionsonthescreentocreatea
MaintenanceKey.

Note:OnlyanauthorizedLenovoservicetechniciancanaccesstheaboveWebsite.

3.Restartthecomputer.

4.Whenthelogoscreenisdisplayed,pressEsc.TheThinkPadConfigInformationUpdateUtilityinterface
isdisplayed.

5.T ype2underEntertheactiondesired,thenpressEnter.TheAutoUUIDgenerationutilityinterfaceis
displayed.

6.T ypeyunderChangeUUID.OK?[Y/N],thenpressEnter.AnewUUIDiscreatedandwritten.Ifa
validUUIDalreadyexists,itisnotoverwritten.

ReadingorwritingtheECAinformation

InformationonEngineeringChangeAnnouncements(ECA)isstoredintheEEPROMofthesystemboard.
TheelectronicstorageofthisinformationsimplifiestheproceduretocheckiftheECAhasbeenpreviously
appliedtoamachine.ThemachinedoesnotneedtobedisassembledtocheckfortheECAapplication.

TocheckwhatECAshavebeenpreviouslyappliedtothemachine,usetheECAInformationRead/Write
functionontheLENOVOThinkPadHardwareMaintenanceDisketteorMaintenanceKey.

1.InsertthelatestversionofLENOVOThinkPadHardwareMaintenanceDisketteorMaintenanceKey,
andthenrestartthecomputer.

2.Fromthemainmenu,select6.SetECAInformation.

3.T oreadtheECAinformation,select2.ReadECA/reworknumberfromEEPROMandfollowthe
instructionsonthescreen;Toreadboxbuilddate,select5.ReadboxbuilddatefromEEPROM,and
followtheinstructionsonthescreen.

AfteranECAhasbeenappliedtothemachine,theEEPROMmustbeupdatedtoreflecttheECA's
application.UsethelatestversionofLENOVOThinkPadHardwareMaintenanceDisketteorMaintenance
KeytoupdatetheEEPROM.

Note:OnlytheECAnumberisstoredintheEEPROM.ThemachinetypeoftheECAisassumedtobethe
sameasthemachinetypeofthemachinethathadtheECAappliedtoit.

Chapter8.FRUreplacementnotices57

1.InsertthelatestversionofLENOVOThinkPadHardwareMaintenanceDisketteorMaintenanceKey,
andthenrestartthecomputer.

2.Fromthemainmenu,select6.SetECAInformation.

3.T owritetheECAinformation,select1.WriteECA/reworknumberfromEEPROM,andfollowthe
instruction;T owriteboxbuilddate,select4.WriteboxbuilddatefromEEPROM,andfollowthe
instructiononthescreen.

Ifthesystemboardisbeingreplaced,trytoreadtheECAinformationfromtheoldsystemboardandtransfer
theinformationtothenewsystem.Ifthesystemboardisinoperable,thiswillnotbepossible.

58HardwareMaintenanceManual

Chapter9.RemovingorreplacingaFRU

ThischapterprovidesinstructionsonhowtoremoveorreplaceaFRU.

CRUstatementforcustomers:

Youcanresolvesomeproblemswithyourproductwithareplacementpartyoucaninstallyourself,called
a“CustomerReplaceableUnit”or“CRU.”SomeCRUsaredesignatedasself-serviceCRUsandothers
aredesignatedasoptional-serviceCRUs.Installationofself-serviceCRUsisyourresponsibility.For

optional-serviceCRUs,youcaneitherinstalltheCRUyourselforyoucanrequestthataServiceProvider
installtheCRUaccordingtothewarrantyserviceforyourproduct.IfyouintendoninstallingtheCRU,

LenovowillshiptheCRUtoyou.CRUinformationandreplacementinstructionsareshippedwithyour
productandareavailablefromLenovoatanytimeuponrequest.Y oucanfindalistofCRUsforyourproduct
inthisHardwareMaintenanceManual.Anelectronicversionofthismanualisavailablefordownloading
athttp://www.lenovo.com/UserManuals.YoumightberequiredtoreturnthedefectiveCRU.Whenreturn
isrequired:(1)returninstructions,aprepaidshippinglabel,andacontainerwillbeincludedwiththe
replacementCRU;and(2)youmightbechargedforthereplacementCRUifLenovodoesnotreceivethe
defectivepartwithinthirty(30)daysofyourreceiptofthereplacementCRU.SeeyourLenovoLimited
Warrantydocumentationforfulldetails.

Generalguidelines

WhenremovingorreplacingaFRU,besuretoobservethefollowinggeneralguidelines:

1.Donottrytoserviceanycomputerunlessyouhavebeentrainedandcertified.Anuntrainedpersonruns
theriskofdamagingparts.

2.BeforereplacinganyFRU,reviewChapter8“FRUreplacementnotices”onpage55.

3.BeginbyremovinganyFRUsthathavetoberemovedbeforereplacingthefailingFRU.AnysuchFRUs
arelistedatthebeginningofeachFRUreplacementsection.Removethemintheorderinwhichthey
arelisted.

4.FollowthecorrectsequenceinthestepsforremovingaFRU,asgivenintheillustrationsbythe
numbersinsquarecallouts.

5.Whenturningascrew,turnitinthedirectionasgivenbythearrowintheillustration.

6.WhenremovingaFRU,moveitinthedirectionasgivenbythearrowintheillustration.

7.T oputthenewFRUinplace,reversetheremovalprocedureandfollowanynotesthatpertainto
replacement.

8.WhenreplacingaFRU,usethecorrectscrewsasshowninthereplacementprocedures.

DANGER

BeforeremovinganyFRU,turnoffthecomputer,unplugallpowercordsfromelectricaloutlets,
removethebatterypack,andthendisconnectanyinterconnectingcables.

Attention:AfterreplacingaFRU,donotturnonthecomputeruntilyouhavemadesurethatallscrews,

springs,andothersmallpartsareinplaceandnonearelooseinsidethecomputer.Verifythisbyshaking
thecomputergentlyandlisteningforrattlingsounds.Metallicpartsormetalflakescancauseelectrical
shortcircuits.

Attention:Thesystemboardissensitiveto,andcanbedamagedby,electrostaticdischarge(ESD).
Beforetouchingit,establishpersonalgroundingbytouchingagroundpointwithonehandorbyusingan
electrostaticdischargestrap.

©CopyrightLenovo2013,2015

59

Commonservicetools

1

2

Belowisthelistofcommonservicetoolsthatyoumightneedwhileservicingthecomputer.

•T orx#T8

•Flat-headscrewdriversize#2.5mm

•Phillipsscrewdriverheadsize#0

•Phillipsscrewdriverheadsize#1

•Hexnutdriversize#5mm

•MendaNylonProbe#35622

Beforeservicingthecomputer

Carefullyreadthistopicbeforeservicingthecomputer.

RemovingtheSIMcard

SomemodelsyouareservicingmighthaveaSIMcardthatacustomerhasinstalled.Ifthecomputeryouare
servicinghasaSIMcardinstalled,removeitbeforeyoustarttheservicing.

Afteryoufinishtheservicing,ensurethatyouinstallthecardbackintotheslotfirmly.

1010Batterypack

Importantnoticesforreplacingabatterypack

Attention:Lenovohasnoresponsibilityfortheperformanceorsafetyofunauthorizedbatteries,and

providesnowarrantiesforfailuresordamagearisingoutoftheiruse.

TheLenovoSolutionCenterprogramprovidesanautomaticbatterydiagnostictestthatdeterminesifthe
batterypackisdefective.AbatterypackFRUshouldnotbereplacedunlessthisdiagnostictestshows

60HardwareMaintenanceManual

thatthebatteryisdefective.Theonlyexceptiontothisisifthebatterypackisphysicallydamagedora

2

1

1

customerisreportingapossiblesafetyissue.

IftheLenovoSolutionCenterprogramisnotinstalledonthecomputer,thecustomershoulddownloadand
installtheprogramtodiagnosethebatterypack,beforegettinganon-physicallydamagedbatterypack
replaced.Notethatthereplacementofaphysicallydamagedbatterypackisnotcoveredbythewarranty.

Removalstepsofthebatterypack

DANGER

Useonlytheauthorizedbatteryspecifiedforyourcomputer.Anyotherbatterycouldigniteor
explode.

1020ExpressCardreaderordummyExpressCard

Foraccess,removethisFRU:

•“1010Batterypack”onpage60

Chapter9.RemovingorreplacingaFRU61

RemovalstepsoftheExpressCardreaderordummyExpressCard

1

2

1

2

1030Largebottomdoor

Foraccess,removethisFRU:

•“1010Batterypack”onpage60

Removalstepsofthelargebottomdoor

Note:Loosenthescrews1.

1040Harddiskdriveorsolid-statedrive

Foraccess,removetheseFRUs:

•“1010Batterypack”onpage60

•“1030Largebottomdoor”onpage62

Attention:

•Donotdropthedriveorapplyanyphysicalshocktoit.Thedriveissensitivetophysicalshock.Improper
handlingcancausedamageandpermanentlossofdata.

•Beforeremovingthedrive,havetheusermakeabackupcopyofalltheinformationonitifpossible.

62HardwareMaintenanceManual

•Neverremovethedrivewhilethesystemisoperatingorinsuspendmode.

1

2

Removalstepsoftheharddiskdriveorsolid-statedrive

Removethescrew1.

StepScrew(quantity)Color

1

M2×3mm,flat-head,nylon-coated(1)Silver

Wheninstalling:

Ensurethattheharddiskdriveorsolid-statedriveisfirmlyattached.

1050Opticaldrive

Torque

0.181Nm
(1.85kgf-cm)

Foraccess,removetheseFRUs:

•“1010Batterypack”onpage60

•“1030Largebottomdoor”onpage62

Removalstepsoftheopticaldrive

Removethescrew1.

Chapter9.RemovingorreplacingaFRU63

1

StepScrew(quantity)Color

2

3

1

M2×3mm,flat-head,nylon-coated(1)Silver

1060Memorymodule

Foraccess,removetheseFRUs:

•“1010Batterypack”onpage60

•“1030Largebottomdoor”onpage62

Torque

0.181Nm
(1.85kgf-cm)

64HardwareMaintenanceManual

Removalstepsofthememorymodule

1

1

2

1

2

Wheninstalling:

Insertthenotchedendofthememorymoduleintothememoryslot.Pressthememorymoduleinfirmly,
andpivotitdownwarduntilitsnapsintoplace.Ensurethatthememorymoduleisfirmlyinstalledinthe
slotanddoesnotmoveeasily.

1070Smallbottomdoor

Foraccess,removethisFRU:

•“1010Batterypack”onpage60

Removalstepsofthesmallbottomdoor

Note:Loosenthescrew1.

Chapter9.RemovingorreplacingaFRU65

Note:Underthesmallbottomdoor,thereisatamperdetectionswitch.Whenyouservicethewireless

2

1

1

LANcard,thewirelessWANcardortheM.2solid-statedrive,andthecoin-cellbattery,avoidanykindof
roughhandling.

1080WirelessLANcard

Foraccess,removetheseFRUs:

•“1010Batterypack”onpage60

•“1070Smallbottomdoor”onpage65

RemovalstepsofthewirelessLANcard

Detachtheconnectors,andthenremovethescrew2.

StepScrew(quantity)Color

2

M2×3mm,flat-head,nylon-coated(1)

66HardwareMaintenanceManual

Torque

Black0.181Nm

(1.85kgf-cm)

3

Wheninstalling:

PlugthegraycableintotheconnectorlabeledMAINor1onthecard;andplugtheblackcableintothe
connectorlabeledAUXor2onthecard.

1090WirelessWANcardorM.2solid-statedrive

Foraccess,removetheseFRUs:

•“1010Batterypack”onpage60

•“1070Smallbottomdoor”onpage65

Dependingonthemodel,thecomputeryouareservicingmighthaveoneofthefollowingcardsinstalled:

•WirelessWANcard

•M.2solid-statedrive

Chapter9.RemovingorreplacingaFRU67

RemovalstepsofthewirelessWANcard

2

1

1

3

Detachtheconnectors,andthenremovethescrew2.

StepScrew(quantity)Color

2

M2×3mm,flat-head,nylon-coated(1)

Black0.181Nm

Torque

(1.85kgf-cm)

Wheninstalling:

PlugtheredcableintotheconnectorlabeledMAINonthecard;andplugthebluecableintotheconnector
labeledAUXonthecard.

68HardwareMaintenanceManual

RemovalstepsoftheM.2solid-statedrive

2

1

1

3

Removethescrew1.

StepScrew(quantity)Color

2

M2×3mm,flat-head,nylon-coated(1)

1100Coin-cellbattery

Foraccess,removetheseFRUs:

•“1010Batterypack”onpage60

•“1070Smallbottomdoor”onpage65

Torque

Black0.181Nm

(1.85kgf-cm)

Chapter9.RemovingorreplacingaFRU69

DANGER

1

2

Useonlytheauthorizedbatteryspecifiedforyourcomputer.Anyotherbatterycouldigniteor
explode.

Removalstepsofthecoin-cellbattery

Wheninstalling:

Ensurethatthecoin-cellbatteryconnectorisattachedfirmly.

1110Keyboard

Foraccess,removetheseFRUs:

•“1010Batterypack”onpage60

•“1030Largebottomdoor”onpage62

Removalstepsofkeyboard

Locatethekeyboardmulti-toolintheshippingpackageofthenewkeyboard.

70HardwareMaintenanceManual

Thescrewssecuringthekeyboardarebeneaththekeyboardframe.T orevealthescrewheadsbeneaththe

1

2

frame,usetheflatendofthemulti-toolintheshippingpackageofthenewkeyboardtoslidethekeyboard
forwardby2.5mm(0.1inch).

Usethecrossendofthemulti-tooltoloosenthescrews.

Chapter9.RemovingorreplacingaFRU71

3

4

5

6

7

8

Installationstepsofkeyboard

4

3

1

2

5

Attachtheconnectorsandthenturnoverthekeyboard.

72HardwareMaintenanceManual

Putthekeyboardbackintoplace.Ensurethatthefrontedgeofthekeyboardisundertheframeofthe

6

6

7

keyboardbezel.

Revealthescrewheadsbyslidingthekeyboardframeforwardwiththeflatendofthekeyboardmulti-tool.

Tightenthescrewswiththecrossendofthekeyboardmulti-tooltosecurethekeyboardinplace.

Chapter9.RemovingorreplacingaFRU73

8

Slidethekeyboardframebackwardby2.5mm(0.1inch)withtheflatendofthekeyboardmulti-tooltohide

9

9

thelatchesofthekeyboardframeunderthekeyboardbezel.

Note:Donotpressandholdthekeyswhileslidingthekeyboardframe,otherwisethekeyboardframe
cannotbemoved.

Inserttheflatendofthekeyboardmulti-toolintothesidesofthekeyboardframetopushthekeyboardframe
backward.Ensurethatthereisnogapbetweenthekeyboardframeandkeyboardbezel.

74HardwareMaintenanceManual

10

1120Keyboardbezelassembly

Foraccess,removetheseFRUs:

•“1010Batterypack”onpage60

•“1030Largebottomdoor”onpage62

•“1110Keyboard”onpage70

Important:

ReadthefollowinginstructionsfirstbeforereplacingthekeyboardbezelassemblyforThinkPadW540models
withacolorsensor .

•Iftheharddiskdriveisnotdefective,andonlythekeyboardbezelassemblyneedsareplacement:

1.Replacethekeyboardbezelassembly.

2.Afteryoureplacethekeyboardbezelassembly,startthecomputerandruntheSensorReplacementUtility

programbyclickingStart➙AllPrograms➙X-Rite➙PANTONEColorCalibrator➙SensorReplacement
Utility.

3.Ifyoudonothaveaccesstotheharddiskdrive,providethecustomerwithinformationonhowtorunthe
SensorReplacementUtility.

•Ifboththeharddiskdriveandthekeyboardbezelassemblyneedreplacements:

1.Beforeyoureplacethekeyboardbezelassembly,backupthecolorsensorcalibrationprofile
ECCM2SensorData.dattoanexternalmediadevicefromthedirectoryC:\ProgramData\X-Rite\ECCM-2.This
calibrationprofileisgeneratedafteryouusethecolorsensorforthefirsttime.

2.Ifyouareunabletobackupthecolorsensorcalibrationprofile,andifnoproblemwasreportedwiththecolor
sensor,followthestepsattheendofthistopictoremovethecolorsensorfromtheoriginalkeyboardbezel
assembly,andinstallthecolorsensortothenewkeyboardbezelassembly.

3.Replacetheharddiskdrive.See“1040Harddiskdriveorsolid-statedrive”onpage62.Thenreloadthe
operatingsystem.

4.IftheSensorReplacementUtilityprogramcannotbelaunchedsuccessfully,restorethecolor
sensorcalibrationprofileECCM2SensorData.dat,whichyouhavebackedupinstep1,tothedirectory
C:\ProgramData\X-Rite\ECCM-2.

5.Ifyoudidnotbackupthecalibrationprofileandthecustomerdoesnothaveabackupoftheirimage,you
willalsoneedtoreplacetheLCDpaneleveniftheLCDpanelisnotbroken.See“2020LCDpanel,hinges,
andLCDcable”onpage97

6.RuntheSensorReplacementUtilityprogramagainandfollowtheinstructionsonthescreentoperformthe
initialcolorcalibration,orprovideinstructionstothecustomertorunthisutility.

.

Chapter9.RemovingorreplacingaFRU75

7.Whentheinitialcalibrationcompletes,adialogboxisdisplayed.ClickOKtoexittheSensorReplacement

1

1

1

1

1 1

1

2

3

Utilityprogram.

Removalstepsofthekeyboardbezelassembly

Removethescrews1.

StepScrew(quantity)Color

1

Wheninstalling:

M2×9mm,flat-head,nylon-coated(7)

Ensurethattheconnectorisattachedfirmly.

Torque

Black0.181Nm

(1.85kgf-cm)

76HardwareMaintenanceManual

4

4

4

4

4

4

4

5

4

4

4

4

4

7

6

8

9

10

Wheninstalling:

Ensurethattheconnectorsareattachedfirmly.

1130Powerbuttoncard,colorsensor,NFCcard,fingerprintreader,and
trackpad

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage60

•“1030Largebottomdoor”onpage62

•“1110Keyboard”onpage70

•“1120Keyboardbezelassembly”onpage75

Chapter9.RemovingorreplacingaFRU77

Removalstepsofthepowerbuttoncard

1

1

2

StepScrew(quantity)Color

1

M2×3mm,flat-head,nylon-coated(2)Silver

Torque

0.181Nm
(1.85kgf-cm)

Removalstepsofthecolorsensor

Important:

ReadthefollowinginstructionsfirstbeforereplacingthecolorsensorforThinkPadW540models.

•Iftheharddiskdriveisnotdefective,andonlythecolorsensorneedsareplacement:

1.Replacethecolorsensor.

2.Afteryoureplacethecolorsensor,startthecomputerandruntheSensorReplacementUtilityprogramby

clickingStart➙AllPrograms➙X-Rite➙PANTONEColorCalibrator➙SensorReplacementUtility.

3.Ifyoudonothaveaccesstotheharddiskdrive,providethecustomerwithinformationonhowtorunthe
SensorReplacementUtility.

•Ifboththeharddiskdriveandthecolorsensorneedreplacements:

1.Beforeyoureplacethecolorsensor,backupthecolorsensorcalibrationprofileECCM2SensorData.dattoan
externalmediadevicefromthedirectoryC:\ProgramData\X-Rite\ECCM-2.Thiscalibrationprofileisgenerated
afteryouusethecolorsensorforthefirsttime.

2.Ifyouareunabletobackupthecolorsensorcalibrationprofile,andifnoproblemwasreportedwiththe
colorsensor,proceedtoreplacethecolorsensor.

3.Replacetheharddiskdrive.See“1040Harddiskdriveorsolid-statedrive”onpage62.Thenreloadthe
operatingsystem.

78HardwareMaintenanceManual

4.IftheSensorReplacementUtilityprogramcannotbelaunchedsuccessfully,restorethecolor

1

2

3

3

4

sensorcalibrationprofileECCM2SensorData.dat,whichyouhavebackedupinstep1,tothedirectory
C:\ProgramData\X-Rite\ECCM-2.

5.Ifyoudidnotbackupthecalibrationprofileandthecustomerdoesnothaveabackupoftheirimage,you

willalsoneedtoreplacetheLCDpaneleveniftheLCDpanelisnotbroken.See“2020LCDpanel,hinges,
andLCDcable”onpage97

.

6.RuntheSensorReplacementUtilityprogramagainandfollowtheinstructionsonthescreentoperformthe

initialcolorcalibration,orprovideinstructionstothecustomertorunthisutility.

7.Whentheinitialcalibrationcompletes,adialogboxisdisplayed.ClickOKtoexittheSensorReplacement

Utilityprogram.

Wheninstalling:

Ensurethattheconnectorisattachedfirmly.

Chapter9.RemovingorreplacingaFRU79

StepScrew(quantity)Color

1

2

3

4

3

M2×7mm,flat-head,nylon-coated(2)Silver

RemovalstepsoftheNFCcard

Torque

0.181Nm
(1.85kgf-cm)

Wheninstalling:

Ensurethattheconnectorisattachedfirmly.

80HardwareMaintenanceManual

Removalstepsofthefingerprintreader

1

2

1

5

4

3

3

StepScrew(quantity)Color

1

M2×3mm,flat-head,nylon-coated(2)Silver

Wheninstalling:

Ensurethattheconnectorisattachedfirmly.

Torque

0.181Nm
(1.85kgf-cm)

Chapter9.RemovingorreplacingaFRU81

Removalstepsofthetrackpad

2

1

3

3

3

3

3

4

StepScrew(quantity)Color

3

M2×2mm,flat-head,nylon-coated(5)

Wheninstalling:

Ensurethattheconnectorisattachedfirmly.

Torque

Black0.181Nm

(1.85kgf-cm)

1140Smartcardreaderordummysmartcard

Foraccess,removetheseFRUs:

•“1010Batterypack”onpage60

•“1030Largebottomdoor”onpage62

•“1110Keyboard”onpage70

•“1120Keyboardbezelassembly”onpage75

82HardwareMaintenanceManual

Removalstepsofthesmartcardreader

1

2

3

3

3

4

4

4

6

5

StepScrew(quantity)Color

3

M2×3mm,flat-head,nylon-coated(3)Silver

Wheninstalling:

Ensurethattheconnectorisattachedfirmly.

Wheninstalling:

Ensurethattheconnectorisattachedfirmly.

Torque

0.181Nm
(1.85kgf-cm)

Ifthecomputeryouareservicinghasadummysmartcardinstalled.Followthefollowinginstructionsto
removeorreplacethedummysmartcard.

Chapter9.RemovingorreplacingaFRU83

Removalstepsofthedummysmartcard

1

1

1

2

2

1

2

1

StepScrew(quantity)Color

1

M2×3mm,flat-head,nylon-coated(3)Silver

1150LCDunit

Foraccess,removetheseFRUs:

•“1010Batterypack”onpage60

•“1030Largebottomdoor”onpage62

•“1110Keyboard”onpage70

•“1120Keyboardbezelassembly”onpage75

RemovalstepsoftheLCDunit

Torque

0.181Nm
(1.85kgf-cm)

StepScrew(quantity)Color

2

84HardwareMaintenanceManual

M2.5×6mm,flat-head,nylon-coated(2)

Black0.392Nm

Torque

(4.0kgf-cm)

3

3

StepScrew(quantity)Color

4 4

4

4

4

3

M2.5×6mm,flat-head,nylon-coated(2)

Wheninstalling:

Ensurethattheconnectorsareattachedfirmly.

Torque

Black0.392Nm

(4.0kgf-cm)

Chapter9.RemovingorreplacingaFRU85

5

6

7

8

9

8

10 10

10

10

10

10

10

10

10

Wheninstalling:

Ensurethatyouroutethecablesfirmlyandtapeupintheproperpositions.

Attention:Whenyouroutethecables,ensurethattheyarenotsubjecttoanytension.T ensioncouldcause
thecablestobedamagedbythecableguides,orawiretobebroken.

86HardwareMaintenanceManual

8

11

11

1160Magnesiumstructureframe

1

8

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage60

•“1030Largebottomdoor”onpage62

•“1110Keyboard”onpage70

•“1120Keyboardbezelassembly”onpage75

•“1150LCDunit”onpage84

Removalstepsofthemagnesiumstructureframe

Wheninstalling:

Ensurethattheconnectorisattachedfirmly.

Chapter9.RemovingorreplacingaFRU87

3

4

4

3

2

2

2

3

3

3

8

StepScrew(quantity)Color

5

8

2

3

4

M2×3mm,flat-head,nylon-coated(3)Silver

M2×7mm,flat-head,nylon-coated(5)Silver

M2×2.5mm,flat-head,nylon-coated(2)

Torque

0.181Nm
(1.85kgf-cm)

0.181Nm
(1.85kgf-cm)

Black0.181Nm

(1.85kgf-cm)

1170Speakerassembly

Foraccess,removetheseFRUs:

•“1010Batterypack”onpage60

•“1030Largebottomdoor”onpage62

•“1110Keyboard”onpage70

•“1120Keyboardbezelassembly”onpage75

•“1150LCDunit”onpage84

•“1150LCDunit”onpage84

•“1160Magnesiumstructureframe”onpage87

88HardwareMaintenanceManual

Removalstepsofthespeakerassembly

1

1

1

1

8

2

2

8

8

StepScrew(quantity)Color

1

M2.5×2.5mm,flat-head,nylon-coated(4)

Wheninstalling:

Ensurethatthecablesareroutedasshown.

Torque

Black0.392Nm

(4.0kgf-cm)

1180dc-incableassembly

Foraccess,removetheseFRUs:

•“1010Batterypack”onpage60

•“1030Largebottomdoor”onpage62

•“1110Keyboard”onpage70

•“1120Keyboardbezelassembly”onpage75

•“1150LCDunit”onpage84

•“1160Magnesiumstructureframe”onpage87

Chapter9.RemovingorreplacingaFRU89

Removalstepsofthedc-incableassembly

1

2

3

4

5

8

Wheninstalling:

Ensurethattheconnectorisattachedfirmly.

StepScrew(quantity)Color

2

M2×3mm,flat-head,nylon-coated(2)Silver

Torque

0.181Nm
(1.85kgf-cm)

1190Thermalfanassembly

Foraccess,removetheseFRUs:

•“1010Batterypack”onpage60

•“1030Largebottomdoor”onpage62

•“1110Keyboard”onpage70

•“1120Keyboardbezelassembly”onpage75

•“1150LCDunit”onpage84

90HardwareMaintenanceManual

•“1160Magnesiumstructureframe”onpage87

1

2d

2b

2c

2a

1

2d

2b

2c

2f

2e

2g

2a

Removalstepsofthethermalfanassembly

Forintegrated-graphicsmodels:

Detachthethermalfanassemblyconnector,andthenloosenthescrews2inascendingalphabetical
order(atod)asillustrated.

Fordiscrete-graphicsmodels:

Detachthethermalfanassemblyconnector,andthenloosenthescrews2inascendingalphabetical
order(atog)asillustrated.

Wheninstalling:

•Ensurethatthefanconnectorisattachedfirmly.

•Beforeyouattachthethermalfanassemblytothecomputer,applythermalgrease,atanamountof0.2
grams.Eithertoomuchortoolessapplicationofgreasecancauseathermalproblemduetoimperfect

Chapter9.RemovingorreplacingaFRU91

contactwithacomponent.Forthenewthermalfanassembly,youmustpeelthethinfilmofffrom

3

1

1

1

2

2

therubbers.

1200USBcard

Foraccess,removetheseFRUs:

•“1010Batterypack”onpage60

•“1030Largebottomdoor”onpage62

•“1110Keyboard”onpage70

•“1120Keyboardbezelassembly”onpage75

•“1150LCDunit”onpage84

•“1160Magnesiumstructureframe”onpage87

RemovalstepsoftheUSBcard

StepScrew(quantity)Color

1

M2×3mm,flat-head,nylon-coated(3)Silver

Torque

0.181Nm
(1.85kgf-cm)

1210Microprocessor

Foraccess,removetheseFRUs:

•“1010Batterypack”onpage60

•“1030Largebottomdoor”onpage62

92HardwareMaintenanceManual

•“1110Keyboard”onpage70

3

1

4

1

4

2

•“1120Keyboardbezelassembly”onpage75

•“1150LCDunit”onpage84

•“1160Magnesiumstructureframe”onpage87

•“1190Thermalfanassembly”onpage90

Removalstepsofthemicroprocessor

RotatetheheadofthescrewusingtheTorxscrewdriverinthedirectionshownbythearrow1torelease
thelock;thenremovethemicroprocessor2.Afterthat,peelthemylarofffromthemicroprocessoras
shownbythearrow

3.

Wheninstalling:Placethemicroprocessorinthemicroprocessorsocket,andthenrotatetheheadofthe
screwusingtheTorxscrewdriverinthedirectionshownbythearrow4tosecurethemicroprocessor.

1220Systemboardandbasecover

Importantnoticesforhandlingthesystemboard

Whenhandlingthesystemboard,readthefollowing:

•Thesystemboardhasanaccelerometer,whichcanbebrokenwhenseveralthousandsofG-forces
areapplied.

Chapter9.RemovingorreplacingaFRU93

Note:Droppingasystemboardfromaheightofaslittleas6inchessothatitfallsflatonahardbench

a

b

c

cansubjecttheaccelerometertoasmuchas6000G'sofshock.

•Becarefulnottodropthesystemboardonabenchtopthathasahardsurface,suchasmetal,wood,or
composite.

•Avoidroughhandlingofanykind.

•Ateverypointintheprocess,besurenottodroporstackthesystemboard.

•Ifyouputasystemboarddown,besuretoputitonlyonapaddedsurfacesuchasanESDmatora
corrugatedconductivematerial.

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage60

•“1030Largebottomdoor”onpage62

•“1110Keyboard”onpage70

•“1120Keyboardbezelassembly”onpage75

•“1150LCDunit”onpage84

•“1160Magnesiumstructureframe”onpage87

•“1170Speakerassembly”onpage88

•“1190Thermalfanassembly”onpage90

•“1200USBcard”onpage92

Thefollowingcomponentssolderedonthetopsideofthesystemboardisextremelysensitive.Whenyou
servicethesystemboard,avoidanykindofroughhandling.

aMicroprocessor
bGraphicProcessingUnit(GPU)
cAccelerometerchipfortheharddiskdriveActiveProtectionSystem
dPlatformControllerHub(PCH)

®

(APS)

Note:GPUisonlyformodelsthathaveadiscretegraphicscard.

94HardwareMaintenanceManual