Lenovo T470 User Manual

T470
HardwareMaintenanceManual

Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadthegeneralinformation
underAppendixA“Notices”onpage105.

SecondEdition(April2017)

©CopyrightLenovo2017.

LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwareisdeliveredpursuanttoaGeneralServices
Administration“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

Diagnosingproblems..........24

Quicktestprograms...........25

UEFIdiagnosticprogram.........25

Bootablediagnosticprograms.......26

Powersystemcheckout...........27

Checkingtheacpoweradapter......27

Checkingtheremovablebatteryandthe

operationalcharging..........28

Checkingthecoin-cellbattery.......29

Chapter4.Relatedservice

information..............31

Recoveryinformation............31

Restoringthefactorycontentswiththe
RecoveryDiscSetfortheWindows7

operatingsystem............31

RecoveryinformationfortheWindows10

operatingsystem............32

Passwords................34

Power-onpassword...........34

Harddiskpassword...........34

Supervisorpassword..........34

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

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

Screenblankmode(fortheWindows7

operatingsystemonly)..........36

Sleepmode..............36

Hibernationmode...........36

Symptom-to-FRUindex...........37

Numericerrorcodes..........37

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

Beeperrors..............39

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

LCD-relatedsymptoms.........41

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

Undeterminedproblems.........41

Chapter5.Statusindicators.....43

Chapter6.Functionkeys.......45

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

Locatingcomputercontrols,connectors,and

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

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

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

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

MajorFRUsandCRUs..........50

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

Miscellaneousparts...........53

Connectorandcableguide........53

LookingupFRUinformation.........59

Chapter8.FRUreplacement

notices................61

Screwnotices...............61

Retainingserialnumbers...........62

Restoringtheserialnumberofthesystem

unit.................62

RetainingtheUUID...........63

ReadingorwritingtheECAinformation...63

Chapter9.Removingorreplacinga

FRU..................65

Generalguidelines.............65

Beforeservicingthecomputer........66

Disablingthebuilt-inbattery.......66

1010Removablebattery...........66

1020MicroSIMcard............67

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1030Basecoverassembly..........68

1040Memorymodule............70

1050Internalstoragedrive..........71

1060Wireless-WANcard..........75

1070Wireless-LANmoduleorWiGigmodule...76
1080M.2solid-statedriveinthe

Wireless-WAN-cardslot...........78

1090Keyboard..............79

1100Coin-cellbattery............81

1110Speakerassembly...........82

1120Built-inbattery............83

1130Smart-cardreaderassembly.......84

1140I/ObracketandRJ45bracket......85

1150Thermalfanassembly.........86

1160Systemboard.............88

1170Power-buttoncard...........91

1180Fingerprint-readercard.........91

1190NFCmodule.............93

1200LCDunit...............93

1210dc-incableassembly..........95

1220Keyboardbezelassembly........96

2010LCD-bezelsheet............97

2020LCDpanel..............98

2030LCDhingeassembly..........99

2040Camera/microphonemodule.......99

2050LCDcable,camera/microphone-module,and

LEDcable................100

2060Wireless-LAN/WANantennaassembly,
WiGigantennaassembly,andLCDrear-cover

assembly.................101

AppendixA.Notices.........105

Electronicemissionsnotices.........106

Trademarks................106

AppendixB.Abbreviationtable...107

iiT470HardwareMaintenanceManual

Aboutthismanual

ThismanualcontainsserviceandreferenceinformationforthefollowingThinkPad

ThinkPadT470

Usethismanualalongwiththeadvanceddiagnosticteststotroubleshootproblems.

Important:ThismanualisintendedonlyfortrainedservicetechnicianswhoarefamiliarwithThinkPad
products.Usethismanualalongwiththeadvanceddiagnosticteststotroubleshootproblemseffectively.
BeforeservicingaThinkPadproduct,besuretoreadalltheinformationunderChapter1“Safetyinformation”
onpage1

andChapter2“Importantserviceinformation”onpage19.

MachineType(MT)20HD,20HE,20JM,and20JN

®

products.

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ivT470HardwareMaintenanceManual

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.

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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
–Similarunitsaslistedabove
Thispracticeensurescorrectgroundingoftheunits.

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

Safetyinspectionguide

Thepurposeofthisinspectionguideistoassistyouinidentifyingpotentiallyunsafeconditions.Aseach
machinewasdesignedandbuilt,requiredsafetyitemswereinstalledtoprotectusersandservicetechnicians
frominjury.Thisguideaddressesonlythoseitems.Y oushouldusegoodjudgmenttoidentifypotential
safetyhazardsduetoattachmentofnon- ThinkPadfeaturesoroptionsnotcoveredbythisinspectionguide.

Ifanyunsafeconditionsarepresent,youmustdeterminehowserioustheapparenthazardcouldbeand
whetheryoucancontinuewithoutfirstcorrectingtheproblem.

2T470HardwareMaintenanceManual

Considertheseconditionsandthesafetyhazardstheypresent:

•Electricalhazards,especiallyprimarypower(primaryvoltageontheframecancauseseriousorfatal
electricalshock)

•Explosivehazards,suchasadamagedcathoderaytube(CRT)faceorabulgingcapacitor

•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,andUnifiedExtensibleFirmwareInterfacebasic
input/outputsystem(UEFIBIOS)downloads.T elephonenumbersforLenovoSupportareavailableat:
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,anyoftheFRUsmightbethecauseoftheerror.
Beforereplacingtheadapterordevice,removetheFRUs,onebyone,toseeifthesymptomschange.
ReplaceonlytheFRUthatchangedthesymptoms.

Strategyforreplacingaharddiskdriveorasolid-statedrive

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

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

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Importantnoticeforreplacingasystemboard

Somecomponentsmountedonasystemboardareverysensitive.Improperhandlingofasystemboardcan
causedamagetothosecomponents,andmaycauseasystemmalfunction.

Attention:Whenhandlingasystemboard:

•Donotdropasystemboardorapplyanyexcessiveforcetoit.

•Avoidroughhandlingofanykind.

•Avoidbendingasystemboardandhardpushingtopreventcrackingateachball-grid-array(BGA)chipset.

Howtouseerrormessage

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

StrategyforreplacingFRUsforCTO,special-bid,andstandardmodels

ThistopicprovidesinformationaboutthemodeltypesandFRUidentification.

Productdefinition

Thistopicintroducesdifferentmodeltypesandhowtoidentifyeachtype.

Dynamicconfigure-to-order(CTO)model

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

Special-bidmodel

ThisisauniqueconfigurationthathasbeennegotiatedbetweenLenovoandthecustomer.Auniquemachine
typemodel(MTM)consistsofa4-characterMT,a4-charactermodel,andanumeric2-charactercountry
codeisprovidedtothecustomertoplaceorders(example:20AA000955).Thecountrycodeassignedis
numericanddoesnotdesignateaspecificcountryorregion.ThecustommodelfactsheetfortheMTM
indicateswhichcountrythespecialbidMTMissetupfor.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.

20T470HardwareMaintenanceManual

3.ClickCheckWarrantyStatus.

4.OntheWarrantyStatusLookuppage,clickPartsLookup.

5.Typeyourmachinetypeandserialnumber,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

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Chapter3.Generalcheckout

Thischapterintroducesfollowinginformation:

•“Whattodofirst”onpage23

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

•“Powersystemcheckout”onpage27

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.

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Beforecheckingproblemswiththecomputer,determinewhetherthedamageiscoveredunderthewarranty
byreferringtothefollowinglist:

Thefollowingarenotcoveredunderwarranty:

•LCDpanelcrackedfromtheapplicationofexcessiveforceorfrombeingdropped

•Scratched(cosmetic)parts

•Distortion,deformation,ordiscolorationofthecosmeticparts

•Plasticparts,latches,pins,orconnectorsthathavebeencrackedorbrokenbyexcessiveforce

•Damagecausedbyliquidspilledintothesystem

•Damagecausedbytheimproperinsertionofapersonal-computercard(PCcard)ortheinstallationof
anincompatiblecard

•Improperdiscinsertionoruseofanexternalopticaldrive

•Fusesblownbyattachmentofanonsupporteddevice

•Forgottencomputerpassword(makingthecomputerunusable)

•Stickykeyscausedbyspillingaliquidontothekeyboard

•Useofanincorrectacpoweradapteronlaptopproducts

Thefollowingsymptomsmightindicatedamagecausedbynonwarrantedactivities:

•Missingpartsmightbeasymptomofunauthorizedserviceormodification.

•Checkforobviousdamagetoaharddiskdrive.Ifthespindleofaharddiskdrivebecomesnoisy,thehard
diskdrivemighthavebeendroppedorsubjecttoexcessiveforce.

Checkoutguide

UsethefollowingproceduresasaguideinidentifyingandcorrectingproblemswiththeThinkPadnotebook
computers.

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

1.Identifythefailingsymptomsinasmuchdetailaspossible.

2.Verifythesymptoms.T rytore-createthefailurebyrunningthediagnostictestorbyrepeatingthe
operation.

Diagnosingproblems

Manycomputerproblemscanbesolvedwithoutoutsideassistance.Ifyouexperienceaproblemwithyour
computer,thefirstplacetostartisthetroubleshootinginformationinyourcomputerdocumentation.If
yoususpectasoftwareproblem,seethedocumentation,includingreadmefilesandhelpinformation
systems,thatcomewiththeoperatingsystemorprogram.ThinkPadnotebookcomputerscomewithaset
ofdiagnosticprogramsthatyoucanusetohelpyouidentifyhardwareproblems.

DiagnosingproblemswithLenovoSolutionCenterontheWindows7operatingsystem

LenovoSolutionCenterispreinstalledonyourcomputerandalsoisavailablefordownloadat:

http://www.lenovo.com/diags

Notes:

•IfyouareusinganotherWindowsoperatingsystemratherthantheWindows7,youcanfindthelatest
informationaboutdiagnosticsforyourcomputerat:

http://www.lenovo.com/diagnose

•IfyouareunabletoisolateandrepairtheproblemyourselfafterrunningLenovoSolutionCenter,saveand
printthelogfilescreatedbytheprogram.YouneedthelogfileswhenyouspeaktoaLenovotechnical
supportrepresentative.

24T470HardwareMaintenanceManual

LenovoSolutionCenterenablesyoutotroubleshootandresolvecomputerproblems.Itcombinesdiagnostic
tests,systeminformationcollection,securitystatus,andsupportinformation,alongwithhintsandtipsfor
optimalsystemperformance.

Whenyouaresettingupyourcomputer,theLenovoSolutionCenterprogrampromptsyoutocreaterecovery
media.Y oucanusetherecoverymediatorestorethestoragedrivetothefactorydefaultsettings.

Foradditionalinformation,seetheLenovoSolutionCenterhelpsystem.

DiagnosingproblemswithLenovoCompanionontheWindows10operatingsystem

LenovoCompanionispreinstalledonyourcomputerandalsoisavailablefordownloadat:

https://shop.lenovo.com/us/en/accessories/software/apps/lenovo-apps/companion/

Note:IfyouareunabletoisolateandrepairtheproblemyourselfafterrunningLenovoCompanion,save
andprintthelogfilescreatedbytheprogram.YouneedthelogfileswhenyouspeaktoaLenovotechnical
supportrepresentative.

LenovoCompanionsupportsthehardwarescanfunction.Itcombinesdiagnostictests,systeminformation
collection,securitystatus,andsupportinformation,alongwithhintsandtipsforoptimalsystemperformance.

Thetroubleshootinginformationorthediagnosticprogramsmighttellyouthatyouneedadditionalor
updateddevicedriversorothersoftware.Y oucangetthelatesttechnicalinformationanddownloaddevice
driversandupdatesfromtheLenovoSupportWebsiteat:

http://www.lenovo.com/support

Foradditionalinformation,seetheLenovoCompanionhelpsystem.

Quicktestprograms

Lenovoprovidesquicktestprogramstotroubleshootandresolvecomputerproblems,especiallywhenthe
computerdoesnothavetheLenovoSolutionCenterprograminstalled.

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

Torunatestusingquicktestprogram,dothefollowing:

1.GototheC:\SWTOOLS\ldiagdirectory.

2.Double-clickthelsc_lite.exefile.

3.WhentheUserAccountControlwindowopens,clickYes.

4.Selectthedeviceclasstobetested.

5.Selectthedevicestobetested.

6.Selectthetesttobeperformed.

7.Followtheinstructionsonthescreentostartthetest.Whenaproblemisdetected,information
messagesaredisplayed.Refertothemessagestotroubleshoottheproblem.

UEFIdiagnosticprogram

AUEFIdiagnosticprogramispreinstalledonthecomputer.Itenablesyoutotestmemorymodulesand
internalstoragedevices,viewsysteminformation,andcheckandrecoverbadsectorsoninternalstorage
devices.

Chapter3.Generalcheckout25

ToruntheUEFIdiagnosticprogram,dothefollowing:

1.Turnonthecomputer.Ifthecomputercannotbeturnedon,goto“Powersystemcheckout”onpage27,
andcheckthepowersources.Ifanerrorcodeisdisplayed,goto“Symptom-to-FRUindex”onpage37
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.

Bootablediagnosticprograms

IfthecomputeryouareservicingisnotinstalledwiththeUEFIdiagnosticprogram,youcandownloada
bootablediagnosticprogramfromtheLenovoSupportWebsite.Thebootablediagnosticprogramsenable
youtotestcomputermemoryandinternalstoragedevices,viewsysteminformation,andcheckandrecover
theinternalstoragedevices.Tousethebootablediagnosticprograms,youcancreateabootablediagnostic
mediumonaUniversalSerialBus(USB)deviceorCD.

Tocreateabootablediagnosticmedium,dothefollowing:

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

2.ClickLenovoBootableDiagnostics.

3.FollowtheinstructionsontheWebsitetocreateabootablediagnosticmediumonaUSBdeviceorCD.

Tousethediagnosticmediumyouhavecreated,dooneofthefollowing:

•IfyouhavecreatedthebootablediagnosticmediumonaUSBdevice,dothefollowing:

1.AttachtheUSBdevicetothecomputer.

2.Turnonthecomputer.Ifthecomputercannotbeturnedon,goto“Powersystemcheckout”onpage
27,andcheckthepowersources.Ifanerrorcodeisdisplayed,goto“Symptom-to-FRUindex”on
page37forerrorcodedescriptionsandtroubleshootinghints.

3.Whenthelogoscreenisdisplayed,repeatedlypressandreleasetheF12key.WhentheBootMenu
windowopens,releasetheF12key.

4.UsethearrowkeystoselectUSBHDDandthenpressEnter.Thediagnosticprogramwillbe
launchedautomatically.

5.Followtheinstructionsonthescreentousethediagnosticprogram.

•IfyouhavecreatedthebootablediagnosticmediumonaCD,dothefollowing:

1.Turnonthecomputer.Ifthecomputercannotbeturnedon,goto“Powersystemcheckout”onpage
27,andcheckthepowersources.Ifanerrorcodeisdisplayed,goto“Symptom-to-FRUindex”on
page37forerrorcodedescriptionsandtroubleshootinghints.

2.Connectanexternalopticaldrivetothecomputer,andinserttheCDintotheopticaldrive.

26T470HardwareMaintenanceManual

3.Restartthecomputer.

(20V)

1

3

2

4.Whenthelogoscreenisdisplayed,repeatedlypressandreleasetheF12key.WhentheBootMenu
windowopens,releasetheF12key.

5.UsethearrowkeystoselectATAPICDx(x:0,1,...)andthenpressEnter.Thediagnosticprogram
willbelaunchedautomatically.

6.Followtheinstructionsonthescreentousethediagnosticprogram.

Powersystemcheckout

Toverifyifabatteryoranacpoweradapterisfunctional,dothefollowing:

1.Turnoffthecomputer.

2.Connecttheacpoweradapter.

3.Turnonthecomputer.Ifthecomputercanbeturnedon,itmeansthateitherthebatteryortheac
poweradapterisfunctional.

4.Insertastraightenedpaperclipintotheemergency-resetholetoresetthecomputer.Ifthecomputeris
stillpoweredon,itmeansthattheacpoweradapterisfunctional.

5.Turnoffthecomputer.

6.Disconnecttheacpoweradapterandturnonthecomputer.Ifthecomputercanbeturnedon,it
meansthatthebatteryisfunctional.

Ifyoususpectapowerproblem,seetheappropriateoneofthefollowingpowersupplycheckouts:

•“Checkingtheacpoweradapter”onpage27

•“Checkingtheremovablebatteryandtheoperationalcharging”onpage28

•“Checkingthecoin-cellbattery”onpage29

Checkingtheacpoweradapter

Youareherebecausethecomputerfailsonlywhentheacpoweradapterisused.

•Ifthepowerproblemoccursonlywhenthedockingstationortheportreplicatorisused,replacethe
dockingstationortheportreplicator.

•Ifthesystemstatusindicatordoesnotblinkthreetimeswhenanacpowersourceisconnected,check
thepowercordoftheacpoweradapterforcorrectcontinuityandinstallation.

•Ifthecomputerdoesnotchargeduringoperation,goto“Checkingtheremovablebatteryandthe
operationalcharging”onpage28

Note:Noisefromtheacpoweradapterdoesnotalwaysindicateadefect.

Checkingthetraditionalacpoweradapter

Tochecktheacpoweradapter,dothefollowing:

1.Unplugtheacpoweradaptercablefromthecomputer.

2.Measuretheoutputvoltageattheplugoftheacpoweradaptercable.

.

Pin

1+20

20

3

Voltage(Vdc)

Ground

Note:Outputvoltageofpin2oftheacpoweradaptermightdifferfromtheoneyouareservicing.

3.Ifthevoltageisnotcorrect,replacetheacpoweradapter.

Chapter3.Generalcheckout27

4.Ifthevoltageisacceptable,replacethesystemboard.

1(+)

2(+)

3

4

5

6(-)

7(-)

CheckingtheUSB-Ctypeacpoweradapter

EnsurethatyouusetheUSB-Ctypeacpoweradapterthatisshippedwiththecomputertoprovideenough
powertothecomputer.

TochecktheUSB-Ctypeacpoweradapter,dothefollowing:

1.Connectthecomputertoapoweroutletandturnonthecomputer.

2.ChecktheadapterstatusfromthefollowingLenovoprograms:

•ForWindows10:OpentheLenovoSettingsprogramandclickPower.

•ForWindows7:OpenthePowerManagerprogramandclickBattery.

IftheUSB-Ctypeacpoweradapterisworkingwell,adapterinformationwillbedisplayedonthescreen.
Ifamessageisdisplayedwarningthatthepowersupplyisnotenough,replacetheadapterwitha
properonethatissupportedbythecomputer.Ifyoudonotseeanyinformationabouttheadapter,
replacetheadapterwithanewone.

Checkingtheremovablebatteryandtheoperationalcharging

Checkingtheremovablebattery

ThissystemsupportsonlybatteriesspeciallydesignedforthisspecificsystemandmanufacturedbyLenovo
oranauthorizedbuilder.Thesystemdoesnotsupportunauthorizedbatteriesorbatteriesdesignedforother
systems.Ifanunauthorizedbatteryorabatterydesignedforanothersystemsisinstalled,thesystemwill
notcharge.

Attention:Lenovohasnoresponsibilityfortheperformanceorsafetyofunauthorizedbatteries,and
providesnowarrantiesforfailuresordamagearisingoutoftheiruse.

Moveyourpointertothebattery-statusiconintheWindows

®

notificationareatocheckthebatterystatus.
Thebattery-statusicondisplaysthepercentageofbatterypowerremainingandhowlongyoucanuse
yourcomputerbeforeyoumustchargethebattery.

Note:Iftheremovablebatterybecomeshot,itmaynotbeabletocharge.Removeitfromthecomputerand
leaveitatroomtemperatureforawhile.Afteritcoolsdown,reinstallandrechargeit.

Tochecktheremovablebattery,dothefollowing:

1.Turnoffthecomputer.

2.Removetheremovablebatteryandmeasurethevoltagebetweenbatteryterminals1(+)and7(-).
Seethefollowingfigure:

Terminal

1,2+0to+12.6

6,7

Voltage(Vdc)

Ground(-)

3.Ifthevoltageislessthan+11.0Vdc,theremovablebatteryhasbeendischarged.

Ifthevoltageisstilllessthan+11.0Vdcafterrecharging,replacetheremovablebattery.

4.Ifthevoltageismorethan+11.0Vdc,measuretheresistancebetweenbatteryterminals5and7.The
resistancemustbe4to30KΩ.Iftheresistanceisnotcorrect,replacetheremovablebattery.Ifthe
resistanceiscorrect,replacethesystemboard.

28T470HardwareMaintenanceManual

Checkingtheoperationalcharging

Tocheckwhetherthebatterychargesproperlyduringoperation,dothefollowing:

1.Dischargethebatteryuntiltheremainedbatterypowerislessthan50%.

2.Connectthecomputertoacpowertochargethebattery.IfthebatterystatusiconintheWindows
notificationareaindicatesthatthebatteryisnotcharging,removethebatteryandletitreturntoroom
temperature.

3.Reinstallthebattery.Ifthebatteryisstillnotcharging,replacethebattery.

4.Checkthebatterystatusiconagain.Ifthesameerrorstillexists,replacethesystemboard.

Checkingthecoin-cellbattery

Tocheckthecoin-cellbattery,dothefollowing:

1.Disablethebuilt-inbattery.See“Disablingthebuilt-inbattery”onpage66.

2.Removethecoin-cellbattery.See“1100Coin-cellbattery”onpage81.

3.Measurethevoltageofthecoin-cellbattery.Seethefollowingillustration.

Wire

Red+2.5to+3.2

Black

Voltage(Vdc)

Ground

•Ifthevoltageiscorrect,replacethesystemboard.

•Ifthevoltageisnotcorrect,replacethecoin-cellbattery.

•Ifthecoin-cellbatterydischargesquicklyafterreplacement,replacethesystemboard.

Chapter3.Generalcheckout29

30T470HardwareMaintenanceManual

Chapter4.Relatedserviceinformation

Thischapterpresentsfollowinginformation:

•“Recoveryinformation”onpage31

•“Passwords”onpage34

•“Powermanagement”onpage36

•“Symptom-to-FRUindex”onpage37

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

Recoveryinformation

Thissectionprovidesinformationaboutrecoverysolutions.Therearevariousmethodstochoosefromwhen
consideringhowtorecoverintheeventofasoftware-orhardware-relatedproblem.Recoverymethodsvary
dependingonthetypeofoperatingsystemthatisinstalled.Ensurethatyoufollowthecorrectrecovery
procedures.

RestoringthefactorycontentswiththeRecoveryDiscSetforthe Windows7operatingsystem

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.

•Recoverycantakeonetotwohourstocomplete.Thelengthoftimedependsonthemethodyouuse.If
youuserecoverydiscs,therecoveryprocesswilltakeabouttwohours.

TorestorethecomputertotheoriginalfactoryconfigurationusingtheRecoveryDiscSet,dothefollowing:

1.MaketheCD/DVDdrivethefirststartupdeviceinthestartupsequenceusingthefollowingprocedure:

©CopyrightLenovo2017

31

a.PressandholddowntheF1key,andthenturnonthecomputer.Whenthelogoscreenisdisplayed

orwhenyouhearrepeatingbeeps,releasetheF1key.TheThinkPadSetupprogramopens.

b.UsethearrowkeystoselectStartup➙Boot.

c.SelecttheCD/DVDdriveasthe1stBootDevice.

2.InserttheOperatingSystemRecoveryDiscintotheDVDdrive.

3.PressF10tosavetheThinkPadSetupprogramconfigurationchanges.Followtheinstructionsonthe
screentobegintherecoveryprocess.

4.SelectyourlanguageandclickNext.

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

6.ClickYesinthedisplayedwindowtobegintheoperatingsystemrecoveryprocess.

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.

RecoveryinformationfortheWindows10operatingsystem

TheWindowsrecoveryprogramsenableyoutoresetyourcomputeroruseadvancedstartupoptions.

ItisrecommendedthatyoucreatearecoveryUSBdriveasearlyaspossible.StoretherecoveryUSBdrive
asabackuporreplacementfortheWindowsrecoveryprograms.

Formoreinformation,see“CreatingandusingarecoveryUSBdrive”onpage33

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.

.

32T470HardwareMaintenanceManual

Usingadvancedstartupoptions

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

Touseadvancedstartupoptions,dothefollowing:

Note:TheGUIitemsoftheoperatingsystemmightchangewithoutnotice.

1.OpentheStartmenuandthenclickSettings.IfSettingsisnotdisplayed,clickAllappstodisplayall

programs,andthenclickSettings➙Update&security➙Recovery.

2.IntheAdvancedstartupsection,clickRestartnow➙Troubleshoot➙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.Typerecoveryinthesearchboxonthetaskbar.ThenclickCreatearecoverydrive.

3.ClickYesintheUserAccountControlwindowtoallowtheRecoveryMediaCreatorprogramtostart.

4.IntheRecoveryDrivewindow,followtheon-screeninstructionstocreatearecoveryUSBdrive.

UsingtherecoveryUSBdrive

Ifyoucannotstartyourcomputer,usetherecoveryUSBdrivetorecoveryourcomputer.

TousearecoveryUSBdrive,dothefollowing:

Note:Ensurethatyourcomputerisconnectedtoacpower.

1.ConnecttherecoveryUSBdrivetothecomputer.

Chapter4.Relatedserviceinformation33

2.Turnonorrestartthecomputer.BeforetheWindowsoperatingsystemstarts,repeatedlypresstheF12
key.TheBootMenuwindowopens.

3.SelecttherecoveryUSBdriveasthebootdevice.

4.Selectapreferredkeyboardlayout.

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”onpage35

.

Supervisorpassword

AsupervisorpasswordprotectsthesysteminformationstoredintheThinkPadSetup.Theusermustenter
thesupervisorpasswordinordertogetaccesstotheThinkPadSetupandchangethesystemconfiguration.

Attention:Ifthesupervisorpasswordhasbeenforgottenandcannotbemadeavailabletotheservice
technician,thereisnoserviceproceduretoresetthepassword.Thesystemboardmustbereplacedfor
ascheduledfee.

34T470HardwareMaintenanceManual

Howtoremovethepower-onpassword

Toremoveapower-onpassword,dothefollowing:

Ifnosupervisorpasswordhasbeenset,dothefollowingtoremovethepower-onpassword:

1.Turnoffthecomputer.

2.Removetheremovablebattery.Forinstructionsonhowtoremovetheremovablebattery,see“1010
Removablebattery”onpage66.

3.Removethebuilt-inbattery.Forinstructionsonhowtoremovethebuilt-inbattery,see“1120Built-in
battery”onpage83.

4.Removethecoin-cellbattery.Forinstructionsonhowtoremovethecoin-cellbattery,see“1100
Coin-cellbattery”onpage81.Waitforafewseconds.

5.Reinstallthecoin-cellbattery.Forinstructionsonhowtoinstallthecoin-cellbattery,see“1100Coin-cell
battery”onpage81.

6.Reinstallthebuilt-inbattery.Forinstructionsonhowtoreinstallthebuilt-inbattery,see“1120Built-in
battery”onpage83.

7.Reinstalltheremovablebattery.Forinstructionsonhowtoinstalltheremovablebattery,see“1010
Removablebattery”onpage66.

8.Turnonthecomputerandwaituntilthepower-onself-test(POST)ends.AfterthePOSTends,the
passwordpromptdoesnotappear.Thepower-onpasswordhasbeenremoved.

Ifasupervisorpasswordhasbeensetandisknowntotheservicetechnician,dothefollowingtoremove
thepower-onpassword:

1.Turnonthecomputer.

2.Whenthelogoscreencomesup,immediatelypressF1.

3.TypethesupervisorpasswordtoentertheThinkPadSetupprogram.

4.SelectSecurity.

5.SelectPassword.

6.SelectPower-OnPassword.

7.TypethecurrentsupervisorpasswordintheEnterCurrentPasswordfield.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.Turnonthecomputer.

2.Whenthelogoscreencomesup,immediatelypressF1toentertheThinkPadSetupprogram.

3.SelectSecurity.

4.SelectPassword.

5.SelectHarddiskxpassword,wherexistheletteroftheharddiskdrive.Apop-upwindowopens.

6.SelectMasterharddiskpassword.

Chapter4.Relatedserviceinformation35

7.TypethecurrentmasterharddiskpasswordintheEnterCurrentPasswordfield.ThenleavetheEnter
NewPasswordfieldblank,andpressEntertwice.

8.PressF10.

9.PressF10tosavechangesandexittheThinkPadSetupprogram.Theuserharddiskpasswordandthe
masterharddiskpasswordhavebeenremoved.

Powermanagement

Toreducepowerconsumption,thecomputerhasthreepowermanagementmodes:screenblank,sleep,
andhibernation.

Screenblankmode(fortheWindows7operatingsystemonly)

Ifthetimesetonthe“Turnoffmonitor”timerintheoperatingsystemexpires,theLCDbacklightturnsoff.

Toputthecomputerintoscreenblankmode,dothefollowing:

1.Right-clickthebatterystatusindicatoronthetaskbar.

2.SelectPoweroffdisplay.

Toendscreenblankmodeandresumenormaloperation,pressanykey.

Sleepmode

Whenthecomputerenterssleepmode,thefollowingeventsoccurinadditiontowhatoccursinscreen
blankmode:

•TheLCDispoweredoff.

•Theharddiskdriveorsolid-statedriveispoweredoff.

•Themicroprocessorstops.

Toputyourcomputerintosleepmode,pressFn+4ordothefollowing:

•ForWindows7:ClickthearrowbesidetheShutdownicon,andthenselectSleep.Toreturnfrom
sleepmode,presstheFnkey.

•ForWindows10:OpentheStartmenu,clickPower,andthenclickSleep.

Toreturntonormaloperation,presstheFnkeyonly.

Incertaincircumstances,thecomputergoesintosleepmodeautomatically:

•Afteraperiodofinactivityspecifiedinpowerplansettings

•Whenthebatterypowerislow

Hibernationmode

Inhibernationmode,thefollowingoccurs:

•Thesystemstatus,randomaccessmemory(RAM),videorandomaccessmemory(VRAM),andsetup
dataarestoredontheharddiskdriveorsolid-statedrive.

•Thesystemispoweredoff.

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

36T470HardwareMaintenanceManual

Ifyouhavedefinedoneofthefollowingactionsastheeventthatcausesthesystemtogointohibernation
mode,performthataction.

•Closingthelid.

•Pressingthepowerbutton.

Also,thecomputergoesintohibernationmodeautomaticallyafteraperiodofinactivityspecifiedinpower
plansettings.

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

Symptom-to-FRUindex

Thissectioncontainsfollowinginformation:

•“Numericerrorcodes”onpage37

•“Errormessages”onpage39

•“Beeperrors”onpage39

•“No-beepsymptoms”onpage40

•“LCD-relatedsymptoms”onpage41

•“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.

FRUoraction,insequence

Replacethesystemboard.

1.RuntheThinkPadSetupprogram.Thesettings
willbecorrectedautomatically.Thensavethe
currentsettingsbypressingF10.

2.Replacethesystemboard.

Chapter4.Relatedserviceinformation37

Table2.Numericerrorcodes(continued)

Symptomorerror

0187

EAIAdataaccesserror—TheaccesstoEEPROMisfailed.

0188

InvalidRFIDSerializationInformationArea.

0189

InvalidRFIDconfigurationinformationarea—The
EEPROMchecksumisnotcorrect.

0190

Criticallow-batteryerror

0191

SystemSecurity—InvalidRemoteChangerequested.

0199

SystemSecurity—Securitypasswordretrycount
exceeded.

0270

RealTimeClockError—SystemRealTimeClockisnot
functional.

0271

CheckDateandTimesettings—Neitherthedatenorthe
timeissetinthecomputer.

1802

Unauthorizednetworkcardispluggedin—Turnoffand
removethenetworkcard.

1820

Morethanoneexternalfingerprintreaderisattached.
Poweroffandremoveallbutthereaderthatyousetup
withinyourmainoperatingsystem.

2100

DetectionerroronStorageDevice(MainHDD)

2101

DetectionerroronStorageDevice(M.2)

2102

DetectionerroronStorageDevice(MainHDD)

2110

ReaderroronStorageDevice(MainHDD)

2111

ReaderroronStorageDevice(MainHDD)

2112

ReaderroronStorageDevice(MainHDD)

FRUoraction,insequence

Replacethesystemboard.

Replacethesystemboard.

Replacethesystemboard.

1.Chargethebatterypack.

2.Replacethebatterypack.

1.RuntheThinkPadSetupprogram,andthensave

currentsettingbypressingF10.

2.Replacethesystemboard.

1.RuntheThinkPadSetupprogram.Theretrycount

willbereset.Thensavethecurrentsettingsby
pressingF10.

2.Replacethesystemboard.

Havethecomputerserviced.

Setthedateandtime,usingThinkPadSetup.

1.Removenetworkcard.

2.Replacethesystemboard.

Removeallbutthereaderthatyousetupforthe
authentication.

1.Reseatthesolid-statedrive.

2.Replacethesolid-statedrive.

3.Replacethesystemboard.

1.ReseattheM.2solid-statedrive.

2.ReplacetheM.2solid-statedrive.

3.Replacethesystemboard.

1.Reseattheharddiskdriveorthesolid-statedrive.

2.Replacetheharddiskdriveorthesolid-statedrive.

3.Replacethesystemboard.

1.Reseattheharddiskdrive.

2.Replacetheharddiskdrive.

3.Replacethesystemboard.

1.ReseattheM.2solid-statedrive.

2.ReplacetheM.2solid-statedrive.

3.Replacethesystemboard.

1.Reseattheharddiskdriveorthesolid-statedrive.

2.Replacetheharddiskdriveorthesolid-statedrive.

3.Replacethesystemboard.

38T470HardwareMaintenanceManual

Table2.Numericerrorcodes(continued)

Symptomorerror

2200

MachineTypeandSerialNumberareinvalid.

2201

MachineUUIDisinvalid

Errormessages

Table3.Errormessages

FRUoraction,insequence

Replacethesystemboard.

Replacethesystemboard.

Symptomorerror

Fanerror.1.Replacethethermalfanassembly.

Thermalsensingerror.Replacethesystemboard.

Thebatteryinstalledisnotsupportedbythissystem
andwillnotcharge.Pleasereplacethebatterywiththe
correctLenovobatteryforthissystem.PresstheESC
keytocontinue.

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

FRUoraction,insequence

2.Applythermalgrease.

3.Replacethesystemboard.

Replacethebatterypack.

Replacethebatterypack.

Beeperrors

LenovoSmartBeeptechnologyenablesyoutodecodebeeperrorswithyoursmartphonewhenablack
screenoccurswithbeepsfromyourcomputer.TodecodethebeeperrorwithLenovoSmartBeep
technology,dothefollowing:

1.Gotohttp://support.lenovo.com/smartbeeporscanthefollowingQRCode.

2.Downloadtheproperdiagnosticappandinstallitonyoursmartphone.

3.Runthediagnosticappandplacethesmartphonenearthecomputer.

4.PresstheFnkeyonyourcomputertoemitthebeepagain.Thediagnosticappdecodesthebeeperror
andshowspossiblesolutionsonthesmartphone.

Thefollowingsectiondescribessomebeeperrorsandthecorrespondingsolutions.

Chapter4.Relatedserviceinformation39

Note:DonotattempttoserviceaproductyourselfunlessinstructedtodosobytheCustomerSupport
Centerorproductdocumentation.OnlyuseaLenovo-authorizedserviceprovidertorepairyourproduct.

Errorcodes

0001:Reseterror(platformresetnotde-asserted)1.Removeallpowerresources(theacpoweradapter,

0002:Internalbuserror

0281:GeneralembeddedcontrollererrorReplacethesystemboard(serviceprovideronly).

0282:Memorymoduleerror1.Reinstallorreplacethememorymodule.

0283:PCIresourceerror1.RemovePCIedevices(theM.2card,PCIecard,

0284:TCG-compliantfunctionality-relatederror(mightbe
theBIOScodevalidationfailure)

0285:TCG-compliantfunctionality-relatederror(mightbe
theTPMinitializationfailure)

0286:Integratedgraphicserror

0287:Discretegraphicserror1.Reinstallorreplacethediscretegraphicscard

0288:Computerdisplayerror

Solutions

removablebattery,andcoin-cellbattery).Ifyour
computerhasabuilt-inbattery,resetthecomputer
byinsertingastraightenedpaperclipintothe
emergency-resethole.Waitforoneminute.Then
reconnectallpowerresources.

2.Replacethesystemboard(serviceprovideronly).

Replacethesystemboard(serviceprovideronly).

2.Replacethesystemboard(serviceprovideronly).

andsoon)(serviceprovideronly).

2.Replacethesystemboard(serviceprovideronly).

Replacethesystemboard(serviceprovideronly).

Replacethesystemboard(serviceprovideronly).

Replacethesystemboard(serviceprovideronly).

(serviceprovideronly).

2.Replacethesystemboard(serviceprovideronly).

1.Reconnectthedisplaycableonboththesystem
boardsideandthecomputerdisplayside(service
provideronly).

2.Replacethesystemboard(serviceprovideronly).

No-beepsymptoms

Table4.No-beepsymptoms

Symptomorerror

Nobeep,power-onindicatoron,LCDblank,andno
POST.

Nobeep,power-onindicatoron,andLCDblankduring
POST.

Thepower-onpasswordpromptappears.Apower-onpasswordorasupervisorpasswordisset.

Theharddiskpasswordpromptappears.Aharddiskpasswordisset.T ypethepasswordand

40T470HardwareMaintenanceManual

FRUoraction,insequence

1.Ensurethateveryconnectorisconnectedtightly
andcorrectly.

2.Reseatmemorymodule.

3.Replacethesystemboard.

1.Reseatmemorymodule.

2.Replacethesystemboard.

TypethepasswordandpressEnter.

pressEnter.

LCD-relatedsymptoms

Important:TheTFTLCDforthenotebookcomputercontainsmanythin-filmtransistors(TFTs).The

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

Notes:

•ThispolicyappliestoallThinkPadnotebookspurchasedon1January,2008orlater.

•LenovowillnotprovidewarrantyreplacementiftheLCDiswithinspecificationsbecausewecannot
guaranteethatanyreplacementLCDwillhavezeropixeldefects.

•OnepixelconsistsofR,G,Bsub-pixels.

Table5.LCD-relatedsymptoms

Symptomorerror

Nobeep,power-onindicatoron,andablankLCDduring
POST.

•LCDbacklightnotworking.

•LCDtoodark.

•LCDbrightnesscannotbeadjusted.

•LCDcontrastcannotbeadjusted.

•LCDscreenunreadable.

•Charactersmissingpixels.

•Screenabnormal.

•Wrongcolordisplayed.

HorizontalorverticallinesdisplayedonLCD.ReplacetheLCDunit.

FRUoraction,insequence

Replacethesystemboard.

1.ReseattheLCDcable.

2.ReplacetheLCDunit.

3.Replacethesystemboard.

1.Seeimportantnotefor“LCD-relatedsymptoms. ”

2.ReseatallLCDcable.

3.ReplacetheLCDunit.

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”onpage27

1.Turnoffthecomputer.

2.VisuallycheckeachFRUfordamage.ReplaceanydamagedFRU.

3.Removeordisconnectallofthefollowingdevices:

.

Chapter4.Relatedserviceinformation41

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

4.Turnonthecomputer.

5.Determinewhethertheproblemhasbeensolved.

6.Iftheproblemdoesnotrecur,reconnecttheremoveddevicesoneatatimeuntilyoufindthefailingFRU.

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

42T470HardwareMaintenanceManual

Chapter5.Statusindicators

Ca psLoc k

F1

FnLoc k

Es c

F4

Thischapterpresentsthestatusindicatorsthatshowthestatusofthecomputer.

Table6.Statusindicators

IndicatorMeaning

1CamerastatusindicatorOn:Theconventionalcameraisinuse,ortheinfraredcameraisinrecognition

mode.

27Systemstatusindicator

TheindicatorintheThinkPadlogoonthecomputerlidandtheindicatorinthe
powerbuttonshowthesystemstatusofyourcomputer.

Blinksfast:Thecomputerisenteringsleeporhibernationmode.

Blinksforthreetimes:Thecomputerisinitiallyconnectedtopower.

Blinksslowly:Thecomputerisinsleepmode.

On:Thecomputerison(innormalmode).

©CopyrightLenovo2017

43

Table6.Statusindicators(continued)

IndicatorMeaning

Off:Thecomputerisofforinhibernationmode.

On:Themicrophonesaremuted.

3CapsLockindicatorOn:Youcantypeuppercaselettersbydirectlypressingtheletterkeys.

4FnLockindicator

Off:TheFnLockfunctionisdisabled.Youcanusethedefaultfunction.Youcan
changethedefaultfunctionintheKeyboardPropertieswindow.

5Speaker-muteindicatorOn:Thespeakersaremuted.

6Microphone-muteindicator

8acpowerstatusindicator

On:Themicrophonesaremuted.

Thisindicatorshowstheacpowerandchargingstatusofthecomputer.

Green:Connectedtoacpower(batterypower80%–100%)

Yellow:Connectedtoacpower(batterypower1%–80%)

Off:Notconnectedtoacpower

44T470HardwareMaintenanceManual

Chapter6.Functionkeys

F8

F9

F

10

F11

F12

Thefollowingtabledescribesthefunctionsoffunctionkeysandkeycombinations.

Table7.Functionkeys

Functionkeyand
keycombination

Description

Muteorunmutethespeakers.Whenthespeakersaremuted,theindicatoronthekeyison.

Ifyoumutethesoundandturnoffyourcomputer,thesoundwillremainmutedwhenyouturn
onyourcomputeragain.Toturnonthesound,pressF2orF3.

Decreasethespeakervolume.

Increasethespeakervolume.

Muteorunmutethemicrophones.Whenthemicrophonesaremuted,theindicatoronthe
keyison.

Darkenthecomputerdisplay.

Brightenthecomputerdisplay.

Manageexternaldisplays.

Enableordisablethebuilt-inwirelessfeatures.

•ForWindows7:OpenControlPanel.

•ForWindows10:OpentheSettingswindow.

Enableordisablethebuilt-inBluetoothfeatures.

©CopyrightLenovo2017

Openakeyboardsettingpage.

Invokethefunctiondefinedbyyourself.Ifnofunctionisdefined,thefollowingdefaultfunction
works:

•ForWindows7:Openthesearchbox.

•ForWindows10:OpentheCortanapersonalassistant.

Todefineorchangethefunction,dothefollowing:

•ForWindows7:

1.OpenControlPanel,andthenchangetheviewofControlPanelfromCategoryto
LargeiconsorSmallicons.

2.ClickLenovo-KeyboardManager.IntheKeyboardManagerwindow,clickthe
USER-DEFINEDKEYtab.

3.Followtheinstructionsonthescreentocompletethesetting.

Onthissettingpage,youcanalsodefinedifferentfunctionsforthekeycombinationswith
F12,suchasShift+F12,Alt+F12,orCtrl+F12.

•ForWindows10:

1.OpentheLenovoSettingsprogram.

45

Table7.Functionkeys(continued)

Functionkeyand
keycombination

Fn+PrtScOpentheSnippingToolprogram.

Fn+Esc

Fn+SpacebarIfyourcomputersupportskeyboardbacklight,pressFn+Spacebartoswitchbetweenthe

Fn+4PressFn+4toputthecomputerintosleepmode.Towakeupthecomputer,pressanykey

Fn+B

Fn+P

Fn+SThiskeycombinationhasthesamefunctionastheSysRqkeyonaconventionalexternal

Fn+K

Description

2.Clicktheinputicon.

3.LocatetheKEYBOARD:USER-DEFINEDKEYsectionandfollowtheinstructions
onthescreentocompletethesetting.

Onthissettingpage,youcanalsodefinedifferentfunctionsforthekeycombinationswith
F12,suchasShift+F12,Alt+F12,orCtrl+F12.

SwitchthekeyfunctionbetweenthestandardF1–F12functionandthespecialfunction
printedasanicononeachkey.WhentheFnLockindicatorisoff,youcanusethedefault
function.Y oucanchangethedefaultfunctionintheKeyboardPropertieswindow.

differentkeyboardbacklightstatus(off,low,orhigh).

orthepowerbutton.

ThiskeycombinationhasthesamefunctionastheBreakkeyonaconventionalexternal
keyboard.

ThiskeycombinationhasthesamefunctionasthePausekeyonaconventionalexternal
keyboard.

keyboard.

ThiskeycombinationhasthesamefunctionastheScrLKorScrollLockkeyonaconventional
externalkeyboard.

46T470HardwareMaintenanceManual

Chapter7.Locations

Thischapterintroducesthelocationsofthehardwarecomponentsonyourcomputer.

Locatingcomputercontrols,connectors,andindicators

Thistopicintroducesthelocationsofthecomputercontrols,connectors,andindicators.

Frontview

1Conventionalcamera(availableonsomemodels)

3Infraredcamera(availableonsomemodels)

5Fingerprintreader(availableonsomemodels)6Security-lockslot

7Media-cardslot8Ethernetconnector

9USB3.0connector10High-DefinitionMultimediaInterface(HDMI

11USB3.0connector

13T rackPointbuttons14T rackpad

15Nearfieldcommunication(NFC)label(availableon

somemodels)

17Screen(multi-touchscreenavailableonsomemodels)

©CopyrightLenovo2017

2Microphones

4Powerbutton

12Audioconnector

16T rackPoint

®

pointingstick

TM

)

47

Bottomview

1Removablebattery2Docking-stationconnector

3Powerconnector

5USB-Cconnector(Thunderbolt™3compatible)

7Smart-cardslot(availableonsomemodels)8Speakers

9Keyboarddrainageholes10Emergency-resethole

11Micro-SIM-cardslot(availableonsomemodels)

4USB3.0connector

6Fanlouvers

48T470HardwareMaintenanceManual

LocatingFRUsandCRUs

Thistopicintroducesthefollowingserviceparts:

•“MajorFRUsandCRUs”onpage50

•“LCDFRUs”onpage52

•“Connectorandcableguide”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.Youmightberequiredtoreturnthedefectivepartthatisreplacedbythe
CRU.Whenreturnisrequired:(1)returninstructions,aprepaidshippinglabel,andacontainerwillbeincluded
withthereplacementCRU;and(2)youmightbechargedforthereplacementCRUifLenovodoesnotreceivethe
defectiveCRUwithinthirty(30)daysofyourreceiptofthereplacementCRU.SeeyourLenovoLimitedWarranty
documentationforfulldetails.

ThinkPadcomputerscontainthefollowingtypesofCRUsandFRU:
–Self-serviceCRUs:Refertopartsthatcanbeinstalledorreplacedeasilybycustomerthemselvesorbytrained

servicetechniciansatanadditionalcost.

–Optional-serviceCRUs:Refertopartsthatcanbeinstalledorreplacedbycustomerswithagreaterskilllevel.

Trainedservicetechnicianscanalsoprovideservicetoinstallorreplacethepartsunderthetypeofwarranty
designatedforthecustomer’smachine.

–FRUs:Refertopartsthatmustbeinstalledorreplacedonlybytrainedservicetechnicians.Ifcustomerschoose

toreplacetheFRUsbythemselves,theproductwarrantymightbeaffected.

Chapter7.Locations49

MajorFRUsandCRUs

1

2

3

4

5

6

7

8a

8b

9

a

c

e

d

b

12

11

10

13

14

15

16

17

18

19

20

21

23

22

24

25

Table8.MajorFRUs

No.FRUdescriptions

1

LCDunit

2KeyboardbezelassemblyNoNo

Self-serviceCRUOptional-serviceCRU

NoNo

3PowerbuttonboardNoNo

4

Fingerprint-readercard(onsomemodels)

5

Wireless-LAN/Bluetoothcard

6

WiGigmodule(onsomemodels)

NoNo

NoYes

NoYes

50T470HardwareMaintenanceManual

Table8.MajorFRUs(continued)

No.FRUdescriptions

7

Wireless-WANcard/M.2solid-statedrive(onsomemodels)

Self-serviceCRUOptional-serviceCRU

NoYes

8aHarddiskdriveYesNo

8b

M.2solid-statedrive(onsomemodels)

YesNo

9InternalstoragedrivecableYesNo

10RJ45bracketNoNo

11RemovablebatteryYesNo

12

SIMcard(onsomemodels)

YesNo

13BasecoverassemblyYesNo

14Built-inbatteryNoNo

15

16

17

18

Speakerassembly

Thermalfanassembly

Systemboard

Coin-cellbattery

NoNo

NoNo

NoNo

YesNo

19MemorymodulesNoYes

20

Smartcardreaderandcable(onsomemodels)

21

NFCmoduleandcable(onsomemodels)

22

IObracket

NoNo

NoNo

NoNo

23dc-incableassemblyNoNo

24KeyboardNoYes

25TrackPointcapYesNo

a

MiscellaneouspartskitsNoNo

bPowercordYesNo

c

acpoweradapterYesNo

dLenovorecoverydiscset

e

LenovofactoryrecoveryUSBkey

*

*

YesNo

YesNo

Chapter7.Locations51

LCDFRUs

10

Table9.LCDFRUs

No.FRUdescriptions

1

LCD-bezelsheet

2

LCDpanel

3

LCDcable

4

Camera/microphone-moduleandLEDcable

5

Conventionalcamera/microphonemodule

6

Infraredcamera/microphonemodule(onsomemodels)

7

Wireless-LANantenna,Wireless-WANantenna(onsomemodels),and
WiGigantenna(onsomemodels)

8

LCDhingeassembly

9

LCDrear-coversupportbracketassembly

10

LCDrear-coverassembly

52T470HardwareMaintenanceManual

Self-service
CRU

NoNo

NoNo

NoNo

NoNo

NoNo

NoNo

NoNo

NoNo

NoNo

NoNo

Optional-service
CRU

Miscellaneousparts

Table10.Miscellaneousparts

FRUdescriptions

Screwkit

•Screw,M2.0*L4.6,silver(10)

•Screw,M2.5*4,silver(10)

•Screw,M2*L3.5,silver(10)

•Screw,M2.5*2.5,silver(10)

•Screw,M2.0*2.5,silver(10)

•Screw,M2*L3,silver(10)

•Screw,M2*L3,black(20)

Systemmiscellaneouspartskit

•IObracket

•RJ45bracket

•Speakerrubbers

•Sheetsupportrubber

•Microphonerubbers

•Fingerprintreaderbracketassembly

•NFCferritesheet

•NFCsponge

•Smartcardsafetymylar

GEOlabelassembly

Self-service
CRU

NoNo

NoNo

NoNo

Optional-service
CRU

Connectorandcableguide

ThissectionprovidesinformationforLenovoauthorizedservicetechnicianstohelpidentifyconnectorsand
cablesforreplacementpurpose.T ovieweachFRUandtheexplodedillustrationofthecomputer,see“Major
FRUsandCRUs”onpage50

and“LCDFRUs”onpage52.

Note:Dependingonyourmodel,someconnectorsorcablesmightnotbeavailable.

Chapter7.Locations53

Systemboardconnectorsandcables

26

27

28

30

Table11.Systemboard

Item

Connector(location)

1

Camera/microphone
connector(internal)

2

Power-button-card
connector(internall)

3

Removablebattery
connector(external)

4

Micro-SIM-cardslot
(external)

5

Docking-station
connector(external)

6

Coin-cellbattery
connector(internal)

7

LCDconnector(internal)LCDcableConnectoneendtotheLCDpanelandtheotherend

8

dc-inconnector(external)

9

USB3.0connector

23

(external)

26

Internalcablerequired

Camera/microphone
cable

Cableconnection

Thecamera/microphonecablecomeswiththe
camera/microphonecombocard.Connectthecableto
thisconnector.

Power-button-cardcableThepower-button-cardcablecomeswiththe

power-buttoncard.Connectthecabletothis
connector.

No

No

No

Connecttheremovablebatterytothisconnector.

Insertthemicro-SIMcardintothisslot.

Connectthedocktothisconnector.

Coin-cellbatterycableThecoin-cellbatterycomeswithcable.Connectthe

cabletothisconnector.

tothisconnector.

NoTheacpowerconnectorcomeswiththedc-incable.

Connecttheacpoweradapter.

No

ConnectUSB-compatibledevicestothisconnector.

54T470HardwareMaintenanceManual

Table11.Systemboard(continued)

Item

Connector(location)

10

USB-Cconnector
(external)

11

Thermalfanconnector
(internal)

12

Built-inbatteryconnector
(internal)

13

NFCconnector(internal)NFCcableTheNFCcablecomeswiththeNFCmodule.Connect

14

Smart-card-reader
connector(internal)

15

Memorymoduleslot

16

(internal)

17

Internalstoragedrive
connector(internal)

18

Fingerprintreader
connector(internal)

19

Trackpadconnector
(internal)

20

Wireless-WANcardslot
(internal)

21

Speakerconnector
(internal)

22

Audioconnector
(external)

24

HDMIconnector
(external)

25

Wireless-LANcardslot
(internal)

27

Ethernetconnector
(external)

28

Media-cardslot(internal)

29

Keyboardconnector
(internal)

30

Trackpointconnector
(internal)

Internalcablerequired

No

Cableconnection

ConnectUSB-C-compatibledevicestothisconnector.

ThermalfancableThethermalfancablecomeswiththethermalfan.

Connectthecabletothisconnector.

Built-inbatterycableThebuilt-inbatterycablecomeswiththecable.

Connectthecabletothisconnector.

thecabletothisconnector.

Smart-card-readercable

Thesmart-card-readercablecomeswiththesmart
cardreader.Connectthecabletothisconnector.

NoInsertthememorymoduleintothisslot.

Internalstoragedrive
cable

Fingerprintreadercable

Theinternalstoragedrivecablecomeswiththeinternal
storagedrive.Connectthecabletothisconnector.

Connectoneendtothefingerprintreaderandtheother
endtothisconnector.

Trackpadcable

ConnecttheT rackpadcabletothisconnector.

NoInsertthewireless-WANcardintothisslot.

SpeakerassemblycableThespeakerassemblycomeswithcable.Connectthe

cabletothisconnector.

No

Connectheadphonesoraheadsetwith3.5-mm
(0.14-inch)4-poleplugtothisconnector.

No

Connectacompatibledigitalaudiodeviceorvideo
monitortothisconnector.

NoInsertthewireless-LANcardintothisslot.

No

Connectthecomputertoalocalareanetwork(LAN)
withtheEthernetconnector.

No

Insertaflashmediacardintothemedia-cardslotfor
dataaccessorstorage.

Keyboardcable

Trackpointcable

Connectthekeyboardcabletothisconnector.

Connectthetrackpointcabletothisconnector.

Chapter7.Locations55

Camera/microphonecombocardconnectorandcable

Table12.Camera/microphonecombocard

Item

Connector(location)

1

Camera/microphonecard
connector(internal)

Wireless-LANcardconnectorsandcables

Table13.Wireless-LANcard

Item

Connector(location)

1

Wireless-LANantenna
connector(internal)

2

Wireless-LANantenna
connector(internal)

Internalcablerequired

Cableforcameraand
microphonecombocard

Internalcablerequired

Wireless-LANantennakit

Wireless-LANantennakit

Cableconnection

Connectoneendtothecamera/microphoneconnector
onthesystemboard,andtheotherendtothis
connector.

Cableconnection

Connectoneendofthewireless-LANgrayantennato
theA-coverandtheotherendtothisconnector.

Connectoneendofthewireless-LANblackantennato
theA-coverandtheotherendtothisconnector.

Wireless-WANcardconnectorsandcables

Table14.Wireless-WANcard

Item

Connector(location)

1

Wireless-WANantenna
connector(internal)

2

Wireless-WANantenna
connector(internal)

56T470HardwareMaintenanceManual

Internalcablerequired

Wireless-WANantennakit

Wireless-WANantennakit

Cableconnection

Connectoneendofthewireless-WANorangeantenna
totheA-coverandtheotherendtothisconnector.

Connectoneendofthewireless-WANblueantennato
theA-coverandtheotherendtothisconnector.

WiGigmoduleconnectorsandcables

Table15.WiGigmodule

Item

Connector(location)

1

WiGigantennaconnector

Internalcablerequired

WiGigantennakitConnectoneendoftheWiGigwhiteantennatothe

(internal)

2

Wireless-LANantenna

Wireless-LANantennakit

connector(internal)

3

Wireless-LANantenna

Wireless-LANantennakit

connector(internal)

Fingerprintreaderconnectorandcable

Table16.Fingerprintreaderconnectorandcable

Item

Connector(location)

1

Fingerprintreadercard
connector(internal)

Internalcablerequired

Fingerprintreadercard
cable

Cableconnection

A-coverandtheotherendtothisconnector.

Connectoneendofthewireless-LANgrayantennato
theA-coverandtheotherendtothisconnector.

Connectoneendofthewireless-LANblackantennato
theA-coverandtheotherendtothisconnector.

Cableconnection

Connectoneendtothefingerprintreadercard
connectoronthesystemboardandtheotherendto
thisconnector.

Chapter7.Locations57

Smart-cardreaderconnectorandcable

Table17.Smart-cardreaderconnectorandcable

Item

Connector(location)

1

Smart-cardreader
connector(internal)

NFCmoduleandcable

Table18.NFCmodule

Item

Connector(location)

1

NFCmoduleconnector
(internal)

2

NFCantennaconnector
(internal)

Powerbuttoncardandcable

Internalcablerequired

smart-cardreadercable

Cableconnection

Connectoneendtothesmart-cardreaderconnector
onthesystemboard,andtheotherendtothis
connector.

Internalcablerequired

Cableconnection

NFCmodulecableConnectoneendtotheNFCmoduleconnectoronthe

systemboardandtheotherendtothisconnector.

NFCantennacableConnecttheNFCantennacabletothisconnector.

Table19.Powerbuttoncard

Item

Connector(location)

1

Power-button-card
connector(internal)

58T470HardwareMaintenanceManual

Internalcablerequired

Power-button-cardcable

Cableconnection

Connectoneendtothepower-button-cardconnector
onthesystemboardandtheotherendtothis
connector.

dc-incable

Table20.dc-incable

Item

Connector(location)

1

dc-incableconnector
(internal)

2

acadapterconnector
(external)

TrackPadconnectorandcable

Table21.T rackPadconnector

Item

Connector(location)

1

Trackpadconnector
(internal)

LookingupFRUinformation

Internalcablerequired

No

No

Internalcablerequired

Trackpadcable

Cableconnection

Connectthisendtothedc-inconnectoronthesystem
board.

Connecttheacadaptertothisconnector .

Cableconnection

Connectoneendtothetrackpadconnectoronthe
systemboardandtheotherendtothisconnector.

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

Chapter7.Locations59

60T470HardwareMaintenanceManual

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.Y oucanfindalistofCRUsforyour
productinthisHardwareMaintenanceManual.Anelectronicversionofthismanualcanbefoundat
http://www.lenovo.com/UserManuals.Followtheon-screeninstructionstofindthemanualforyourproduct.
YoumightberequiredtoreturnthedefectivepartthatisreplacedbytheCRU.Whenreturnisrequired:(1)
returninstructions,aprepaidshippinglabel,andacontainerwillbeincludedwiththereplacementCRU;and
(2)youmightbechargedforthereplacementCRUifLenovodoesnotreceivethedefectiveCRUwithinthirty
(30)daysofyourreceiptofthereplacementCRU.SeeyourLenovoLimitedWarrantydocumentationfor
fulldetails.

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.

©CopyrightLenovo2017

61

180degreesmore

(Cross-section)

Notes:

•Ensurethatyouusethecorrectscrew.Itisrecommendedtousenewscrewsforreplacements.Ifyou
haveatorquescrewdriver,tightenallscrewsfirmlytothetorquespecifiedinthescrewinformation
tableforeachstep.

•Ensurethattorquescrewdriversarecalibratedcorrectlyfollowingcountryspecifications.

Retainingserialnumbers

Thistopicprovidesinstructionsonthefollowing:

•“Restoringtheserialnumberofthesystemunit”onpage62

•“RetainingtheUUID”onpage63

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.Type1underEntertheactiondesired,thenpressEnter.TheThinkPadSerialNumberUpdateUtilityfor
AssetIDscreenisdisplayed.

6.Type2underEntertheactiondesired,thenpressEnter.Theserialnumberofeachdeviceinyour
computerisdisplayed;theserialnumberofthesystemunitislistedasfollow:
20-Serialnumber

7.Recordtheserialnumberofthesystemunit.

Afteryoureplacethesystemboard,dothefollowingtorestoretheserialnumberofthesystemunit:

1.ConnecttheMaintenanceKeytothecomputer.

62T470HardwareMaintenanceManual

2.Whenthelogoisdisplayed,pressEsc.TheThinkPadConfigInformationUpdateUtilityinterfaceis
displayed.

3.Type1underEntertheactiondesired,thenpressEnter.TheThinkPadSerialNumberUpdateUtilityfor
AssetIDscreenisdisplayed.

4.Type1underEntertheactiondesired,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.Type2underEntertheactiondesired,thenpressEnter.TheAutoUUIDgenerationutilityinterfaceis
displayed.

6.TypeyunderChangeUUID.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.ToreadtheECAinformation,select2.ReadECA/reworknumberfromEEPROMandfollowthe
instructionsonthescreen;Toreadboxbuilddate,select5.ReadboxbuilddatefromEEPROM,and
followtheinstructionsonthescreen.

AfteranECAhasbeenappliedtothemachine,theEEPROMmustbeupdatedtoreflecttheECA's
application.UsethelatestversionofLENOVOThinkPadHardwareMaintenanceDisketteorMaintenance
KeytoupdatetheEEPROM.

Note:OnlytheECAnumberisstoredintheEEPROM.ThemachinetypeoftheECAisassumedtobethe
sameasthemachinetypeofthemachinethathadtheECAappliedtoit.

Chapter8.FRUreplacementnotices63

1.InsertthelatestversionofLENOVOThinkPadHardwareMaintenanceDisketteorMaintenanceKey,
andthenrestartthecomputer.

2.Fromthemainmenu,select6.SetECAInformation.

3.TowritetheECAinformation,select1.WriteECA/reworknumberfromEEPROM,andfollowthe
instruction;Towriteboxbuilddate,select4.WriteboxbuilddatefromEEPROM,andfollowthe
instructiononthescreen.

Ifthesystemboardisbeingreplaced,trytoreadtheECAinformationfromtheoldsystemboardandtransfer
theinformationtothenewsystem.Ifthesystemboardisinoperable,thiswillnotbepossible.

64T470HardwareMaintenanceManual

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 oucanfindalistofCRUsforyour
productinthisHardwareMaintenanceManual.Anelectronicversionofthismanualcanbefoundat
http://www.lenovo.com/UserManuals.Followtheon-screeninstructionstofindthemanualforyourproduct.
YoumightberequiredtoreturnthedefectivepartthatisreplacedbytheCRU.Whenreturnisrequired:(1)
returninstructions,aprepaidshippinglabel,andacontainerwillbeincludedwiththereplacementCRU;and
(2)youmightbechargedforthereplacementCRUifLenovodoesnotreceivethedefectiveCRUwithinthirty
(30)daysofyourreceiptofthereplacementCRU.SeeyourLenovoLimitedWarrantydocumentationfor
fulldetails.

Generalguidelines

WhenremovingorreplacingaFRU,besuretoobservethefollowinggeneralguidelines:

1.Donottrytoserviceanycomputerunlessyouhavebeentrainedandcertified.Anuntrainedpersonruns
theriskofdamagingparts.

2.BeforereplacinganyFRU,reviewChapter8“FRUreplacementnotices”onpage61.

3.BeginbyremovinganyFRUsthathavetoberemovedbeforereplacingthefailingFRU.AnysuchFRUs
arelistedatthebeginningofeachFRUreplacementsection.Removethemintheorderinwhichthey
arelisted.

4.FollowthecorrectsequenceinthestepsforremovingaFRU,asgivenintheillustrationsbythe
numbersinsquarecallouts.

5.Whenturningascrew,turnitinthedirectionasgivenbythearrowintheillustration.

6.WhenremovingaFRU,moveitinthedirectionasgivenbythearrowintheillustration.

7.ToputthenewFRUinplace,reversetheremovalprocedureandfollowanynotesthatpertainto
replacement.

8.WhenreplacingaFRU,usethecorrectscrewsasshowninthereplacementprocedures.

DANGER

BeforeremovinganyFRU,turnoffthecomputer ,unplugallpowercordsfromelectricaloutlets,
disabletheinternalbatterypack,andthendisconnectanyinterconnectingcables.

Attention:AfterreplacingaFRU,donotturnonthecomputeruntilyouhavemadesurethatallscrews,

springs,andothersmallpartsareinplaceandnonearelooseinsidethecomputer.Verifythisbyshaking
thecomputergentlyandlisteningforrattlingsounds.Metallicpartsormetalflakescancauseelectrical
shortcircuits.

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

©CopyrightLenovo2017

65

Beforeservicingthecomputer

Carefullyreadthistopicbeforeservicingthecomputer.

Disablingthebuilt-inbattery

BeforereplacinganyFRU,ensurethatyouhavedisabledthebuilt-inbattery.

ForWindows10,disableFastStartupbeforedisablingthebuilt-inbattery.

TodisableFastStartupforWindows10,dothefollowing:

1.Fromthedesktop,typePowerinthesearchboxonthetaskbar,andselectPowerOptions.

2.ClickChangewhatthepowerbuttonsdoontheleftpane.

3.ClickChangesettingsthatarecurrentlyunavailableatthetop.

4.IfpromptedbyUserAccountControl(UAC),clickYes.

5.CleartheTurnonfaststartupcheckbox,andthenclickSavechanges.

Todisablethebuilt-inbattery,dothefollowing:

1.Turnoffyourcomputeranddisconnecttheacpoweradapterandallcablesfromthecomputer.

2.Turnonyourcomputer.Whenthelogoscreenisdisplayed,immediatelypressF1toenterThinkPad
Setup.

3.SelectConfig➙Power.ThePowersubmenuisdisplayed.

4.SelectDisablebuilt-inbatteryandpressEnter.

5.SelectYesintheSetupConfirmationwindow.Thebuilt-inbatteryisdisabledandthecomputerturnsoff
automatically.Waitthreetofiveminutestoletthecomputercool.

1010Removablebattery

Importantnoticesforreplacingaremovablebattery

Attention:Lenovohasnoresponsibilityfortheperformanceorsafetyofunauthorizedbatteries,and

providesnowarrantiesforfailuresordamagearisingoutoftheiruse.

Lenovoprovidesadiagnosticprogramtodoanautomaticbatterydiagnostictest,whichcandetermineif
theremovablebatteryisdefective.AremovablebatteryFRUshouldnotbereplacedunlessthisdiagnostic
testshowsthatthebatteryisdefective.Theonlyexceptiontothisisifthebatteryisphysicallydamaged
oracustomerisreportingapossiblesafetyissue.

Ifnodiagnosticprogramisinstalledonthecomputer,thecustomershoulddownloadandinstallthe
programtodiagnosethebattery,beforegettinganon-physicallydamagedbatteryreplaced.Notethatthe
replacementofaphysicallydamagedbatteryisnotcoveredbythewarranty.

66T470HardwareMaintenanceManual

Removalstepsoftheremovablebattery

DANGER

Useonlytheauthorizedbatteryspecifiedforyourcomputer.Anyotherbatterycouldigniteor
explode.

Note:Beforeyoustarttheservicing,disablethebuilt-inbattery.See“Disablingthebuilt-inbattery”

onpage66

.

1020MicroSIMcard

1020microSIMcard

Note:Beforeyoustarttheservicing,disablethebuilt-inbattery.See“Disablingthebuilt-inbattery”
onpage66.

Chapter9.RemovingorreplacingaFRU67

RemovalstepsofthemicroSIMcard

1030Basecoverassembly

Note:Beforeyoustarttheservicing,disablethebuilt-inbattery.See“Disablingthebuilt-inbattery”

onpage66.

Foraccess,removetheseFRUs:

•“1010Removablebattery”onpage66

68T470HardwareMaintenanceManual

Removalstepsofthebasecoverassembly

1.Loosenthescrews1.

2.Removethebasecoverassemblyinthenumericorderasshown.

Chapter9.RemovingorreplacingaFRU69

Applyinglabelstothebasecoverassembly:

Thefollowingillustrationshowsthelocationofeachlabel.

1GEOlabel2S/Nlabel

3IMEIlabel

5Certificateofauthenticitylabel

7ChinaWWAN/modemlabel8GMLlabel

9CECPlabel

11Argentinaadapterlabel12Indonesiaratinglabel

13ChinaGEOlabel14SwissSIMICCIDlabel

15MalaysianSLPlabel16BISlabel

17FCClabel18KCCsafetylabel

19T aiwanWWANlabel

21IndonesiaPOSTELlabel

4Systemlabel

6Assettag

10IsraelHomologationlabel

20ArgentinaCNClabel

1040Memorymodule

Note:Beforeyoustarttheservicing,disablethebuilt-inbattery.See“Disablingthebuilt-inbattery”

onpage66.

Foraccess,removetheseFRUsinorder:

•“1010Removablebattery”onpage66

•“1030Basecoverassembly”onpage68

70T470HardwareMaintenanceManual

Removalstepsofthememorymodule

Wheninstalling:

Insertthenotchedendofthememorymoduleintothememoryslot.Pressthememorymoduleinfirmly,
andpivotitdownwarduntilitsnapsintoplace.Ensurethatthememorymoduleisfirmlyinstalledinthe
slotanddoesnotmoveeasily.

1050Internalstoragedrive

Note:Beforeyoustarttheservicing,disablethebuilt-inbattery.See“Disablingthebuilt-inbattery”

onpage66.

Foraccess,removetheseFRUsinorder:

•“1010Removablebattery”onpage66

•“1030Basecoverassembly”onpage68

Attention:

•Donotdropthedriveorapplyanyphysicalshocktoit.Thedriveissensitivetophysicalshock.Improper
handlingcancausedamageandpermanentlossofdata.

•Beforeremovingthedrive,havetheusermakeabackupcopyofalltheinformationonitifpossible.

•Neverremovethedrivewhilethesystemisoperatingorinsuspendmode.

Chapter9.RemovingorreplacingaFRU71

Removalstepsofthe2.5-inchstoragedrive

72T470HardwareMaintenanceManual

RemovalstepsoftheM.2solid-statedrive

Chapter9.RemovingorreplacingaFRU73

StepScrew(quantity)Color

6

8

M2×3mm,flat-head,nylon-coated(2)

M2×3mm,flat-head,nylon-coated(1)

Torque

Black0.181Nm

(1.85kgf-cm)

Black0.181Nm

(1.85kgf-cm)

74T470HardwareMaintenanceManual

StepScrew(quantity)Color

11

M2×3mm,flat-head,nylon-coated(2)

Black0.181Nm

Torque

(1.85kgf-cm)

Wheninstalling:

Ensurethattheharddiskdriveorsolid-statedriveisfirmlyattachedandthetapedoesnotcoverthespeaker.

1060Wireless-WANcard

Note:Beforeyoustarttheservicing,disablethebuilt-inbattery.See“Disablingthebuilt-inbattery”

onpage66.

Foraccess,removetheseFRUsinorder:

•“1010Removablebattery”onpage66

•“1030Basecoverassembly”onpage68

Chapter9.RemovingorreplacingaFRU75

Removalstepsofthewireless-WANcard

StepScrew(quantity)Color

3

M2×3mm,flat-head,nylon-coated(1)

Black0.181Nm

Torque

(1.85kgf-cm)

Wheninstalling:

PlugtheorangecableintotheconnectorlabeledMAINonthecard,andplugthebluecableintothe
connectorlabeledAUXonthecard.Ifagreencablecomeswithyourcomputer,plugthecableintothe
connectorwiththesilkscreenGPS.

1070Wireless-LANmoduleorWiGigmodule

Note:Beforeyoustarttheservicing,disablethebuilt-inbattery.See“Disablingthebuilt-inbattery”

onpage66.

Foraccess,removetheseFRUsinorder:

•“1010Removablebattery”onpage66

•“1030Basecoverassembly”onpage68

76T470HardwareMaintenanceManual

RemovalstepsoftheWireless-LANmodule

StepScrew(quantity)Color

3

M2×3mm,flat-head,nylon-coated(1)

Black0.181Nm

Torque

(1.85kgf-cm)

Wheninstalling:

PlugthegraycableintotheconnectorlabeledMAINor2onthecard,andplugtheblackcableintothe
connectorlabeledAUXor1onthecard.

Chapter9.RemovingorreplacingaFRU77

RemovalstepsoftheWiGigmodule

StepScrew(quantity)Color

3

M2×3mm,flat-head,nylon-coated(1)

Black0.181Nm

Torque

(1.85kgf-cm)

Wheninstalling:

PlugthegraycableintotheconnectorlabeledMAINor2onthecard,plugtheblackcableintotheconnector
labeledAUXor1onthecard,andplugthewhitecableintotheWiGigconnectorlabeled4onthecard.

1080M.2solid-statedriveintheWireless-WAN-cardslot

Note:Beforeyoustarttheservicing,disablethebuilt-inbattery.See“Disablingthebuilt-inbattery”

onpage66.

Foraccess,removetheseFRUsinorder:

•“1010Removablebattery”onpage66

•“1030Basecoverassembly”onpage68

78T470HardwareMaintenanceManual

RemovalstepsoftheM.2solid-statedriveintheWireless-WAN-cardslot

StepScrew(quantity)Color

2

M2×3mm,flat-head,nylon-coated(1)

Black0.181Nm

Torque

(1.85kgf-cm)

Wheninstalling:

EnsurethattheM.2solid-statedriveissecurelyseatedinthewireless-WAN-cardslot.

1090Keyboard

Note:Beforeyoustarttheservicing,disablethebuilt-inbattery.See“Disablingthebuilt-inbattery”

onpage66.

Foraccess,removetheseFRUs:

•“1010Removablebattery”onpage66

Chapter9.RemovingorreplacingaFRU79

Removalstepsofthekeyboard

2

2

Loosenthetwoscrewsthatsecurethekeyboard.

Turnthecomputeroverandopenthedisplay.Pushhardinthedirectionasshowntoreleasethelatches
fromthekeyboardbezel.

80T470HardwareMaintenanceManual

Pivotthekeyboardslightlyupwardasshownbythearrow4untilyoucanseetheconnectorsonthebottom

3

4

5

6

7

8

9

sideofthekeyboard.Thenturnoverthekeyboardasshownbythearrow

5.

Putthekeyboardonthepalmrestanddetachtheconnectors.Thenremovethekeyboard.

1100Coin-cellbattery

Note:Beforeyoustarttheservicing,disablethebuilt-inbattery.See“Disablingthebuilt-inbattery”

onpage66.

Foraccess,removetheseFRUsinorder:

•“1010Removablebattery”onpage66

•“1030Basecoverassembly”onpage68

Chapter9.RemovingorreplacingaFRU81

DANGER

Useonlytheauthorizedbatteryspecifiedforyourcomputer.Anyotherbatterycouldigniteor
explode.

Removalstepsofthecoin-cellbattery

Wheninstalling:

Ensurethattheconnectorofthecoin-cellbatteryisattachedfirmly.

1110Speakerassembly

Note:Beforeyoustarttheservicing,disablethebuilt-inbattery.See“Disablingthebuilt-inbattery”

onpage66

Foraccess,removetheseFRUsinorder:

•“1010Removablebattery”onpage66

•“1030Basecoverassembly”onpage68

Removalstepsofthespeakerassembly

.

82T470HardwareMaintenanceManual

StepScrew(quantity)Color

2

M2×4.6mm,bighead,nylon-coated(4)

Black0.181Nm

Torque

(1.85kgf-cm)

Wheninstalling:

•Ensurethattheconnectorofthespeakerassemblyisattachedfirmly.

•Routethecablesasshowninthefollowingillustration.

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

1120Built-inbattery

Note:Beforeyoustarttheservicing,disablethebuilt-inbattery.See“Disablingthebuilt-inbattery”

onpage66.

Foraccess,removetheseFRUsinorder:

•“1010Removablebattery”onpage66

•“1030Basecoverassembly”onpage68

Importantnoticesforreplacingabuilt-inbattery

Attention:Lenovohasnoresponsibilityfortheperformanceorsafetyofunauthorizedbatteries,and

providesnowarrantiesforfailuresordamagearisingoutoftheiruse.

Lenovoprovidesadiagnosticprogramtodoanautomaticbatterydiagnostictest,whichcandetermineif
theremovablebatteryisdefective.AremovablebatteryFRUshouldnotbereplacedunlessthisdiagnostic
testshowsthatthebatteryisdefective.Theonlyexceptiontothisisifthebatteryisphysicallydamaged
oracustomerisreportingapossiblesafetyissue.

Chapter9.RemovingorreplacingaFRU83

Ifnodiagnosticprogramisinstalledonthecomputer,thecustomershoulddownloadandinstallthe
programtodiagnosethebattery,beforegettinganon-physicallydamagedbatteryreplaced.Notethatthe
replacementofaphysicallydamagedbatteryisnotcoveredbythewarranty.

Removalstepsofthebuilt-inbattery

DANGER

Useonlytheauthorizedbatteryspecifiedforyourcomputer.Anyotherbatterycouldigniteor
explode.

StepScrew(quantity)Color

2

M2×3mm,small-head,nylon-coated(3)

Black0.181Nm

Torque

(1.85kgf-cm)

1130Smart-cardreaderassembly

Note:Beforeyoustarttheservicing,disablethebuilt-inbattery.See“Disablingthebuilt-inbattery”

onpage66.

Foraccess,removetheseFRUsinorder:

•“1010Removablebattery”onpage66

•“1030Basecoverassembly”onpage68

84T470HardwareMaintenanceManual

•“1110Speakerassembly”onpage82

•“1120Built-inbattery”onpage83

Removalstepsofthesmart-cardreaderassembly

StepScrew(quantity)Color

3

M2×3mm,flat-head,nylon-coated(2)

Black0.181Nm

Torque

(1.85kgf-cm)

Wheninstalling:

Ensurethattheconnectorofthesmart-cardreaderisattachedfirmly.

1140I/ObracketandRJ45bracket

Note:Beforeyoustarttheservicing,disablethebuilt-inbattery.See“Disablingthebuilt-inbattery”

onpage66.

Foraccess,removetheseFRUs:

•“1010Removablebattery”onpage66

•“1030Basecoverassembly”onpage68

Chapter9.RemovingorreplacingaFRU85

RemovalstepsoftheI/Obracket

StepScrew(quantity)Color

1

M2×3.5mm,flathead,nylon-coated(2)Sliver

RemovalstepsoftheRJ45bracket

StepScrew(quantity)Color

1

M2×3.5mm,flathead,nylon-coated(3)Sliver

Torque

0.181Nm
(1.85kgf-cm)

Torque

0.181Nm
(1.85kgf-cm)

1150Thermalfanassembly

Note:Beforeyoustarttheservicing,disablethebuilt-inbattery.See“Disablingthebuilt-inbattery”

onpage66.

Foraccess,removetheseFRUsinorder:

•“1010Removablebattery”onpage66

•“1030Basecoverassembly”onpage68

Removalstepsofthethermalfanassembly

Notes:

•Loosenthescrewsinascendingalphabeticalorderasillustrated.

•Thescrew

86T470HardwareMaintenanceManual

2eisavailableonlyinsomecomputermodels.

e

Wheninstalling:

•Ensurethattheconnectorofthethermalfanisattachedfirmly.

•Beforeyouattachthethermalfanassemblytothecomputer,applythermalgrease,atanamountof0.2
grams,onthepartsmarked

aandbasshowninthefollowingillustration.Eithertoomuchortooless

applicationofgreasecancauseathermalproblemduetoimperfectcontactwithacomponent.Forthe
newthermalfanassembly,youmustpeeloffthethinfilmfromtherubbers.

–Forintegrated-graphicsmodels

Chapter9.RemovingorreplacingaFRU87

–Fordiscrete-graphicsmodels

1160Systemboard

Importantnoticesforhandlingthesystemboard

Whenhandlingthesystemboard,readthefollowing:

•Thesystemboardhasanaccelerometer,whichcanbebrokenwhenseveralthousandsofG-forces
areapplied.

Note:Droppingasystemboardfromaheightofaslittleas6inchessothatitfallsflatonahardbench
cansubjecttheaccelerometertoasmuchas6000G'sofshock.

•Becarefulnottodropthesystemboardonabenchtopthathasahardsurface,suchasmetal,wood,or
composite.

•Avoidroughhandlingofanykind.

•Ateverypointintheprocess,besurenottodroporstackthesystemboard.

•Ifyouputasystemboarddown,besuretoputitonlyonapaddedsurfacesuchasanESDmatora
corrugatedconductivematerial.

Note:Beforeyoustarttheservicing,disablethebuilt-inbattery.See“Disablingthebuilt-inbattery”
onpage66.

Foraccess,removetheseFRUsinorder:

•“1010Removablebattery”onpage66

•“1020MicroSIMcard”onpage67

•“1030Basecoverassembly”onpage68

•“1040Memorymodule”onpage70

•“1050Internalstoragedrive”onpage71

•“1060Wireless-WANcard”onpage75or“1080M.2solid-statedriveintheWireless-WAN-cardslot”
onpage78

•“1070Wireless-LANmoduleorWiGigmodule”onpage76

•“1090Keyboard”onpage79

•“1100Coin-cellbattery”onpage81

•“1110Speakerassembly”onpage82

•“1120Built-inbattery”onpage83

•“1130Smart-cardreaderassembly”onpage84

•“1140I/ObracketandRJ45bracket”onpage85

•“1150Thermalfanassembly”onpage86

88T470HardwareMaintenanceManual

Thefollowingcomponentssolderedonthetopsideofthesystemboardareextremelysensitive.Whenyou

c

d

servicethesystemboard,avoidanykindofroughhandling.

aGraphicsprocessingunit(GPU)
bCentralprocessingunit(CPU)
cEmbeddedcontroller
dAccelerometerchipfortheharddiskdriveActiveProtectionSystem

TM

Note:Thegraphicschipaisonlyfordiscrete-graphicsmodels.

Chapter9.RemovingorreplacingaFRU89

Removalstepsofthesystemboard

StepScrew(quantity)Color

12

M2×3mm,flathead,nylon-coated(6)

Wheninstalling:

Ensurethattheconnectorsareattachedfirmly.

90T470HardwareMaintenanceManual

Torque

Black0.181Nm

(1.85kgf-cm)

1170Power-buttoncard

Note:Beforeyoustarttheservicing,disablethebuilt-inbattery.See“Disablingthebuilt-inbattery”

onpage66.

Foraccess,removetheseFRUsinorder:

•“1010Removablebattery”onpage66

•“1020MicroSIMcard”onpage67

•“1030Basecoverassembly”onpage68

•“1040Memorymodule”onpage70

•“1050Internalstoragedrive”onpage71

•“1060Wireless-WANcard”onpage75or“1080M.2solid-statedriveintheWireless-WAN-cardslot”
onpage78

•“1070Wireless-LANmoduleorWiGigmodule”onpage76

•“1090Keyboard”onpage79

•“1100Coin-cellbattery”onpage81

•“1110Speakerassembly”onpage82

•“1120Built-inbattery”onpage83

•“1130Smart-cardreaderassembly”onpage84

•“1140I/ObracketandRJ45bracket”onpage85

•“1150Thermalfanassembly”onpage86

•“1160Systemboard”onpage88

Removalstepsofthepower-buttoncard

StepScrew(quantity)Color

1

M2×3mm,flat-head,nylon-coated(2)

Black0.181Nm

Torque

(1.85kgf-cm)

Wheninstalling:

Ensurethattheconnectorofthepower-buttoncardisattachedfirmly.

1180Fingerprint-readercard

Note:Beforeyoustarttheservicing,disablethebuilt-inbattery.See“Disablingthebuilt-inbattery”

onpage66.

Chapter9.RemovingorreplacingaFRU91

Foraccess,removetheseFRUsinorder:

•“1010Removablebattery”onpage66

•“1020MicroSIMcard”onpage67

•“1030Basecoverassembly”onpage68

•“1040Memorymodule”onpage70

•“1050Internalstoragedrive”onpage71

•“1060Wireless-WANcard”onpage75or“1080M.2solid-statedriveintheWireless-WAN-cardslot”
onpage78

•“1070Wireless-LANmoduleorWiGigmodule”onpage76

•“1090Keyboard”onpage79

•“1100Coin-cellbattery”onpage81

•“1110Speakerassembly”onpage82

•“1120Built-inbattery”onpage83

•“1130Smart-cardreaderassembly”onpage84

•“1140I/ObracketandRJ45bracket”onpage85

•“1150Thermalfanassembly”onpage86

•“1160Systemboard”onpage88

Removalstepsofthefingerprint-readercard

StepScrew(quantity)Color

1

M2×3mm,flat-head,nylon-coated(1)

92T470HardwareMaintenanceManual

Torque

Black0.181Nm

(1.85kgf-cm)

1190NFCmodule

Note:Beforeyoustarttheservicing,disablethebuilt-inbattery.See“Disablingthebuilt-inbattery”

onpage66.

Foraccess,removetheseFRUsinorder:

•“1010Removablebattery”onpage66

•“1020MicroSIMcard”onpage67

•“1030Basecoverassembly”onpage68

•“1040Memorymodule”onpage70

•“1050Internalstoragedrive”onpage71

•“1060Wireless-WANcard”onpage75or“1080M.2solid-statedriveintheWireless-WAN-cardslot”
onpage78

•“1070Wireless-LANmoduleorWiGigmodule”onpage76

•“1090Keyboard”onpage79

•“1100Coin-cellbattery”onpage81

•“1110Speakerassembly”onpage82

•“1120Built-inbattery”onpage83

•“1130Smart-cardreaderassembly”onpage84

•“1140I/ObracketandRJ45bracket”onpage85

•“1150Thermalfanassembly”onpage86

•“1160Systemboard”onpage88

RemovalstepsoftheNFCmodule

1200LCDunit

Note:Beforeyoustarttheservicing,disablethebuilt-inbattery.See“Disablingthebuilt-inbattery”

onpage66.

Foraccess,removetheseFRUsinorder:

•“1010Removablebattery”onpage66

•“1030Basecoverassembly”onpage68

Chapter9.RemovingorreplacingaFRU93

RemovalstepsoftheLCDunit

StepScrew(quantity)Color

9

M2.5×4mm,flat-head,nylon-coated(5)

94T470HardwareMaintenanceManual

Torque

Black0.293Nm

(3.0kgf-cm)