Lenovo ThinkPad 11e 4th Gen, Yoga 11e 4th Gen Hardware Maintenance Manual [en, ar, bg, cs, da, de, el, es, fi, fr, he, hr, hu, id, it, ko, nb, nl, pl, pt, ro, ru, sh, sk, sl, sr, sv, th, tr, uk, zc, zh]

11e4thGenandYoga11e4thGenHardware
MaintenanceManual

Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadthegeneralinformation
underAppendixA“Notices”onpage89.

SecondEdition(June2017)

©CopyrightLenovo2016,2017.

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

Contents

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

Chapter1.Safetyinformation......1

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

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

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

Handlingdevicesthataresensitivetoelectrostatic

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

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

Safetynotices(multilingualtranslations)......4

Chapter2.Importantservice

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

StrategyforreplacingFRUs.........19

Strategyforreplacingasolid-statedrive...19
Importantnoticeforreplacingasystem

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

Howtouseerrormessage........20

StrategyforreplacingFRUsforCTO,special-bid,

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

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

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

Chapter3.Generalcheckout.....23

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

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

LenovoSolutionCenter.........24

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

UEFIdiagnosticprogram.........25

Bootablediagnosticprograms.......25

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

Checkingtheacpoweradapter......26

Checkingthebatteryandoperational

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

Checkingthecoin-cellbattery.......27

Chapter4.Relatedservice

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

Restoringthefactorycontentsbyusingthe

productRecoveryDiscSet..........29

RecoveryoverviewfortheWindows10operating

system..................30

Resettingyourcomputer.........30

Usingadvancedstartupoptions......30

RecoveringyouroperatingsystemifWindows

10failstostart.............30

CreatingandusingarecoveryUSBdrive..31

Passwords................31

Power-onpassword...........31

Harddiskpassword...........32

Supervisorpassword..........32

Howtoremovethepower-onpassword...32
Howtoremovetheharddiskpassword...33

Powermanagement............33

Sleepmode..............33

Hibernationmode...........34

Symptom-to-FRUindex...........34

Numericerrorcodes..........35

Errormessages............36

Beeperrors..............36

Beepsymptoms............37

No-beepsymptoms...........37

LCD-relatedsymptoms.........37

Intermittentproblems..........38

Undeterminedproblems.........38

Chapter5.Functionkeys.......41

Chapter6.Locations.........43

Locatingcomputercontrols,connectors,and

indicators.................43

Frontview...............43

Left-sideview.............45

Bottomview..............46

LocatingFRUsandCRUs..........46

MajorCRUsandFRUs..........47

LCDFRUs..............49

Connectorandcableguide........51

LookingupFRUinformation.........54

Chapter7.FRUreplacement

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

Commonservicetools...........55

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

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

Restoringtheserialnumberofthesystem

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

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

ReadingorwritingtheECAinformation...58

Chapter8.Removingorreplacinga

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

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

Beforeservicingthecomputer........60

Disablingthebuilt-inbattery.......60

RemovingamajorFRU...........60

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i

1010Bottomcover...........60

1020Battery..............61

1030M.2solid-statedrive........63

1040WirelessLANcard.........64

1050Memorymodule..........64

1060Coin-cellbattery..........65

1070Keyboard.............65

1080Keyboardbezelassemblyand

media-card-readerboard.........67

1090Systemboardassembly,dc-in

connector,andthermalfan........70

1100LCDunit.............74

RemovinganLCDFRUfornon-touchmodels..76

2010LCDbezelassembly........76

2020LCDpanelandLCDcable......77

2030Camera/microphoneboard......78

2040Hinges..............79

RemovinganLCDFRUfortouchmodels....81

3010LCDpanelassembly,LCDcable,and

LCDpanelbrackets...........81

3020Camera/microphoneboardandproximity

sensorboard.............84

3030Hinges..............86

AppendixA.Notices..........89

Electronicemissionsnotices.........90

Trademarks................90

ii11e4thGenandY oga11e4thGenHardwareMaintenanceManual

Aboutthismanual

ThismanualcontainsserviceandreferenceinformationforthefollowingThinkPad

®

products.

ThinkPad11e4thGenMachinetypes(MT):20HTand20HV

ThinkPadY oga

®

11e4thGenMT:20HSand20HU

Usethismanualalongwiththeadvanceddiagnosticteststotroubleshootproblems.

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

©CopyrightLenovo2016,2017

iii

iv11e4thGenandY oga11e4thGenHardwareMaintenanceManual

Chapter1.Safetyinformation

Thischapterpresentsfollowingsafetyinformationthatyoumustbefamiliarwithbeforeyouservicea
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.

•Ifyouhavetoworkonamachinethathasexposedelectricalcircuits,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.

211e4thGenandY oga11e4thGenHardwareMaintenanceManual

Considertheseconditionsandthesafetyhazardstheypresent:

•Electricalhazards,especiallyprimarypower(primaryvoltageontheframecancauseseriousorfatal
electricalshock)

•Explosivehazards,suchasadamagedbatteryorabulgingcapacitor

•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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1811e4thGenandY oga11e4thGenHardwareMaintenanceManual

Chapter2.Importantserviceinformation

Thischapterintroducesfollowingimportantserviceinformationthatappliestoallmachinetypessupported
bythismanual:

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

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

Important:

•AdvisecustomerstovisittheLenovoSupportWebsiteathttp://www.lenovo.com/supporttoviewthe
softwarefixes,downloadthedrivers,andfollowtheon-screeninstructionstoinstallthedrivers.For
additionalassistance,customersmightcalltheLenovoCustomerSupportCenter.Telephonenumbersfor
theLenovoSupportCenterareavailableat:
http://www.lenovo.com/support/phone

•ServicetrainingdocumentsforLenovoauthorizedservicetechniciansareavailableatthefollowingWeb
site.ThedisassemblyandreassemblyvideosthatshowtheFRUremovalandreplacementprocedures
arecontainedinthedocuments.
http://www.lenovoservicetraining.com

StrategyforreplacingFRUs

Beforereplacingparts:

Ensurethatallsoftwarefixes,drivers,andUEFIBIOSdownloadsareinstalledbeforereplacinganyFRUs
listedinthismanual.

Afterasystemboardisreplaced,ensurethatthelatestUEFIBIOSisloadedtothesystemboardbefore
completingtheserviceaction.

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

UsethefollowingstrategytopreventunnecessaryexpenseforreplacingandservicingFRUs:

•IfyouareinstructedtoreplaceaFRUbutthereplacementdoesnotcorrecttheproblem,reinstallthe
originalFRUbeforeyoucontinue.

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

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

Strategyforreplacingasolid-statedrive

Alwaystrytorunalow-levelformatbeforereplacingasolid-statedrive.Thiswillcauseallcustomerdata
onthesolid-statedrivetobelost.Besurethatthecustomerhasacurrentbackupofthedatabefore
doingthistask.

©CopyrightLenovo2016,2017

19

Attention:Thedrivestartupsequenceinthecomputeryouareservicingmayhavebeenchanged.Be

extremelycarefulduringwriteoperationssuchascopying,saving,orformatting.Ifyouselectanincorrect
drive,dataorprogramscanbeoverwritten.

Importantnoticeforreplacingasystemboard

Somecomponentsmountedonasystemboardareverysensitive.Improperhandlingofasystemboardcan
causedamagetothosecomponents,andmaycauseasystemmalfunction.

Attention:Whenhandlingasystemboard:

•Donotdropasystemboardorapplyanyexcessiveforcetoit.

•Avoidroughhandlingofanykind.

•AvoidbendingasystemboardandhardpushingtopreventcrackingateachBGA(BallGridArray)chipset.

Howtouseerrormessage

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

StrategyforreplacingFRUsforCTO,special-bid,andstandardmodels

ThistopicprovidesinformationaboutthemodeltypesandFRUidentification.

Productdefinition

Thistopicintroducesdifferentmodeltypesandhowtoidentifyeachtype.

Dynamicconfigure-to-order(CTO)model

ThismodelprovidestheabilityforacustomertoconfigureaLenovosolutionfromaWebSite,andhavethis
configurationsenttofulfillment,whereitisbuiltandshippeddirectlytothecustomer.Themachinelabeland
eSupportwillloadtheseproductsasthe4-characterMT ,4-charactermodel,and2-charactercountrycode.
Themodelis“CTO1”andthedefaultcountrycodeis“WW”(example:20A7CTO1WW).

Special-bidmodel

ThisisauniqueconfigurationthathasbeennegotiatedbetweenLenovoandthecustomer.Auniquemachine
typemodel(MTM)consistsofa4-characterMT,a4-charactermodel,andanumeric2-charactercountry
codeisprovidedtothecustomertoplaceorders(example:20A7000955).Thecountrycodeassignedis
numericanddoesnotdesignateaspecificcountryorregion.ThecustommodelfactsheetfortheMTM
indicateswhichcountrythespecialbidMTMissetupfor.Special-bidofferingisnotgenerallyannounced.

Standardmodel

Standardmodels(fixedconfiguration)areannouncedandofferedtoallcustomers.TheMTMportionofthe
machinelabelconsistsofa4-characterMT,a4-charactermodel,andanalphabetic2-charactercountry
code.Thecountrycodeassignedisalphabeticandrepresentsadesignatedcountryorregion(example:
20A70009UK).

FRUidentification

UseLenovoeSupporttoidentifymajorFRUs,FRUpartnumbers,andFRUdescriptionsforaproductatan
MT-serialnumberlevel.ExamplesofmajorFRUsaresolid-statedrive,systemboard,andliquidcrystal
display(LCD).

ToidentifythemajorFRUsforaproduct,dothefollowing:

2011e4thGenandY oga11e4thGenHardwareMaintenanceManual

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

2.ClickWarranty&Services.

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

2211e4thGenandY oga11e4thGenHardwareMaintenanceManual

Chapter3.Generalcheckout

Thischapterintroducesfollowinginformation:

•“Whattodofirst”onpage23

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

•“Powersystemcheckout”onpage26

Beforeyougotothecheckoutguide,besuretoreadthefollowingimportantnotes.

Importantnotes:

•Onlycertifiedtrainedpersonnelshouldservicethecomputer.

•BeforereplacinganyFRU,readtheentirepageonremovingandreplacingFRUs.

•WhenyoureplaceFRUs,itisrecommendedusenewnylon-coatedscrews.

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

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

•AFRUshouldnotbereplacedbecauseofasingle,unreproduciblefailure.Singlefailurescan
occurforvariousreasonsthathavenothingtodowithahardwaredefect,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.

©CopyrightLenovo2016,2017

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Beforecheckingproblemswiththecomputer,determinewhetherthedamageiscoveredunderthewarranty
byreferringtothefollowinglist:

Thefollowingarenotcoveredunderwarranty:

•LCDpanelcrackedfromtheapplicationofexcessiveforceorfrombeingdropped

•Scratched(cosmetic)parts

•Distortion,deformation,ordiscolorationofthecosmeticparts

•Plasticparts,latches,pins,orconnectorsthathavebeencrackedorbrokenbyexcessiveforce

•Damagecausedbyliquidspilledintothesystem

•DamagecausedbytheimproperinsertionofaPCcardortheinstallationofanincompatiblecard

•Improperdiscinsertionoruseofanopticaldrive

•Fusesblownbyattachmentofanonsupporteddevice

•Forgottencomputerpassword(makingthecomputerunusable)

•Stickykeyscausedbyspillingaliquidontothekeyboard

•Useofanincorrectacpoweradapteronlaptopproducts

Thefollowingsymptomsmightindicatedamagecausedbynonwarrantedactivities:

•Missingpartsmightbeasymptomofunauthorizedserviceormodification.

Checkoutguide

UsethefollowingproceduresasaguideinidentifyingandcorrectingproblemswiththeThinkPadnotebook
computers.

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

1.Identifythefailingsymptomsinasmuchdetailaspossible.

2.Verifythesymptoms.T rytore-createthefailurebyrunningthediagnostictestorbyrepeatingthe
operation.

LenovoSolutionCenter

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

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

ToruntheLenovoSolutionCenterprogram,gotoControlPanelandclickSystemandSecurity➙Lenovo-
SystemHealthandDiagnostics,andthenfollowtheinstructionsonthescreen.

FormoreinformationabouttheLenovoSolutionCenterprogram,refertothehelpinformationsystem
oftheprogram.

Quicktestprograms

Lenovoprovidesquicktestprogramstotroubleshootandresolvecomputerproblems,especiallywhenthe
computerdoesnothavetheLenovoSolutionCenterprograminstalled.

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

Torunatestusingquicktestprogram,dothefollowing:

1.GototheC:\SWTOOLS\ldiagdirectory.

2411e4thGenandY oga11e4thGenHardwareMaintenanceManual

2.Double-clickthegui_lsc_lite.exefile.

3.WhentheUserAccountControlwindowopens,clickYes.

4.Selectthedeviceclasstobetested.

5.Selectthedevicestobetested.

6.Selectthetesttobeperformed.

7.Followtheinstructionsonthescreentostartthetest.Whenaproblemisdetected,information
messagesaredisplayed.Refertothemessagestotroubleshoottheproblem.

UEFIdiagnosticprogram

AUEFIdiagnosticprogramispreinstalledonthecomputer.Itenablesyoutotestinternalstoragedevices,
viewsysteminformation,andcheckandrecoverbadsectorsoninternalstoragedevices.

ToruntheUEFIdiagnosticprogram,dothefollowing:

1.Turnonthecomputer.Ifthecomputercannotbeturnedon,goto“Powersystemcheckout”onpage26,
andcheckthepowersources.Ifanerrorcodeisdisplayed,goto“Symptom-to-FRUindex”onpage34
forerrorcodedescriptionsandtroubleshootinghints.

2.WhentheThinkPadlogoisdisplayed,repeatedlypressandreleasetheF10key.Themainscreenofthe
UEFIdiagnosticprogramisdisplayed.

3.Followtheinstructionsonthescreentousethediagnosticprogram.

Bootablediagnosticprograms

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

Tocreateabootablediagnosticmedium,dothefollowing:

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

2.ClickLenovoBootableDiagnostics.

3.FollowtheinstructionsontheWebsitetocreateabootablediagnosticmediumonaUSBdeviceorCD.

Tousethediagnosticmediumyouhavecreated,dooneofthefollowing:

•IfyouhavecreatedthebootablediagnosticmediumonaUSBdevice,dothefollowing:

1.AttachtheUSBdevicetothecomputer.

2.Turnonthecomputer.Ifthecomputercannotbeturnedon,goto“Powersystemcheckout”onpage
26,andcheckthepowersources.Ifanerrorcodeisdisplayed,goto“Symptom-to-FRUindex”on
page34forerrorcodedescriptionsandtroubleshootinghints.

3.WhentheThinkPadlogoisdisplayed,repeatedlypressandreleasetheF12key.WhentheBoot
Menuwindowopens,releasetheF12key.

4.UsethearrowkeystoselectUSBHDDandthenpressEnter.Thediagnosticprogramwillbe
launchedautomatically.

5.Followtheinstructionsonthescreentousethediagnosticprogram.

•IfyouhavecreatedthebootablediagnosticmediumonaCD,dothefollowing:

1.Turnonthecomputer.Ifthecomputercannotbeturnedon,goto“Powersystemcheckout”onpage
26

,andcheckthepowersources.Ifanerrorcodeisdisplayed,goto“Symptom-to-FRUindex”on

page34forerrorcodedescriptionsandtroubleshootinghints.

Chapter3.Generalcheckout25

2.InserttheCDintotheexternalopticaldrive.

(20V)

1

3

2

3.Restartthecomputer.

4.WhentheThinkPadlogoisdisplayed,repeatedlypressandreleasetheF12key.WhentheBoot
Menuwindowopens,releasetheF12key.

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

6.Followtheinstructionsonthescreentousethediagnosticprogram.

Powersystemcheckout

Toverifyifabatteryandanacpoweradapterarefunctional,dothefollowing:

1.Turnoffthecomputer.

2.Connecttheacpoweradapter.

3.Turnonthecomputer.Ifthecomputercanbeturnedon,itmeansthateitherthebatteryortheac
poweradapterisfunctional.

4.Turnoffthecomputer.

5.Disconnecttheacpoweradapterandturnonthecomputer.Ifthecomputercanbeturnedon,it
meansthatthebatteryisfunctional.

Ifyoususpectapowerproblem,seetheappropriateoneofthefollowingpowersupplycheckouts:

•“Checkingtheacpoweradapter”onpage26

•“Checkingthebatteryandoperationalcharging”onpage27

•“Checkingthecoin-cellbattery”onpage27

Checkingtheacpoweradapter

Youareherebecausethecomputerfailsonlywhentheacpoweradapterisused.

•Ifthesystem-statusindicatordoesnotblinkthreetimeswhenanacpowersourceisconnected,check
thepowercordoftheacpoweradapterforcorrectcontinuityandinstallation.

•Ifthecomputerdoesnotchargeduringoperation,goto“Checkingthebatteryandoperationalcharging”
onpage27

Tochecktheacpoweradapter,dothefollowing:

1.Unplugtheacpoweradaptercablefromthecomputer.

2.Measuretheoutputvoltageattheplugoftheacpoweradaptercable.Seethefollowingillustration:

Note:Outputvoltageofpin2oftheacpoweradaptermightdifferfromtheoneyouareservicing.

3.Ifthevoltageisnotcorrect,replacetheacpoweradapter.

4.Ifthevoltageisacceptable,replacethesystemboard.

.

Pin

1+20

20

3

Voltage(Vdc)

Ground

Note:Noisefromtheacpoweradapterdoesnotalwaysindicateadefect.

2611e4thGenandY oga11e4thGenHardwareMaintenanceManual

Checkingthebatteryandoperationalcharging

Checkingthebattery

ThissystemsupportsonlybatteriesspeciallydesignedforthisspecificsystemandmanufacturedbyLenovo
oranauthorizedbuilder.Thesystemdoesnotsupportunauthorizedbatteriesorbatteriesdesignedforother
systems.Ifanunauthorizedbatteryorabatterydesignedforanothersystemsisinstalled,thesystemwill
notcharge.

Attention:Lenovohasnoresponsibilityfortheperformanceorsafetyofunauthorizedbatteries,and
providesnowarrantiesforfailuresordamagearisingoutoftheiruse.

Moveyourpointertothebattery-statusiconintheWindows

®

notificationareatocheckthebatterystatus.
Thebattery-statusicondisplaysthepercentageofbatterypowerremainingandhowlongyoucanuse
yourcomputerbeforeyoumustchargethebattery.

Checkingtheoperationalcharging

Tocheckwhetherthebatterychargesproperlyduringoperation,dothefollowing:

1.Dischargethebatteryuntiltheremainedbatterypowerislessthan50%.

2.Performoperationalcharging.ClickthebatterystatusiconintheWindowsnotificationareatodisplay
detailedbatteryinformation.Ifitindicatesthatthebatteryisnotcharging,replacethebattery.

3.Checkthebatterystatusagain.Ifthesameerrorstillexists,replacethesystemboard.

Checkingthecoin-cellbattery

Tocheckthecoin-cellbattery,dothefollowing:

1.Disablethebuilt-inbattery.See“Disablingthebuilt-inbattery”onpage60.

2.Removethecoin-cellbattery.See“1090Systemboardassembly,dc-inconnector,andthermalfan”
onpage70

3.Measurethevoltageofthecoin-cellbattery.Seethefollowingillustration.

.

Wire

Red+2.5to+3.2

Black

Voltage(Vdc)

Ground

•Ifthevoltageiscorrect,replacethesystemboard.

•Ifthevoltageisnotcorrect,replacethecoin-cellbattery.

•Ifthecoin-cellbatterydischargesquicklyafterreplacement,replacethesystemboard.

Chapter3.Generalcheckout27

2811e4thGenandY oga11e4thGenHardwareMaintenanceManual

Chapter4.Relatedserviceinformation

Thischapterpresentsfollowinginformation:

•“RestoringthefactorycontentsbyusingtheproductRecoveryDiscSet”onpage29

•“RecoveryoverviewfortheWindows10operatingsystem”onpage30

•“Passwords”onpage31

•“Powermanagement”onpage33

•“Symptom-to-FRUindex”onpage34

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

RestoringthefactorycontentsbyusingtheproductRecoveryDiscSet

Whenthemainstoragedeviceisreplacedbecauseofafailure,noproductrecoveryprogramisonthenew
drive.Inthiscase,thecustomermustusetheRecoveryDiscSettorecoverthetablet.OrdertheRecovery
DiscSetandthedriveatthesametimesothatthecustomercanrestorethetablettothefactorydefault
settingsbyusingtheRecoveryDiscSetafterthenewdriveisinstalled.Forinformationaboutwhichdiscsto
order,goto:
http://www.lenovo.com/serviceparts-lookup.

Dependingonthemodel,thenumberofrecoverydiscsincludedintheRecoveryDiscSetdiffers.Torestore
thefactorycontentsbyusingtheproductRecoveryDiscSet,dothefollowing:

Notes:

•Duringtherecoveryprocess,alldataonthedrivewillbedeleted.Ifpossible,copyanyimportantdata
orpersonalfilesthatyouwanttokeepontoremovablemediaoranetworkdrivebeforeyoustartthe
recoveryprocess.

•Therecoveryprocesstakesonetotwohourstocomplete.Thelengthoftimedependsonthemethodyou
use.IfyouuseproductRecoveryDiscSet,therecoveryprocesstakesabouttwohours.

1.ConnectanexternalCD/DVDdrive.

2.MaketheCD/DVDdrivethefirststartupdeviceinthestartupsequenceusingthefollowingprocedure:

a.OpentheThinkPadSetupprogramandselectStartup➙Boot.

b.SelecttheCD/DVDdriveasthe1stBootDevice.

3.InsertthebootablerecoverydiscintotheCD/DVDdrive.

4.StartthecomputerfromtheexternalCD/DVDdrive.

5.Whenpromoted,selectyourlanguageandclickNext.

6.Readthelicenseandacceptthetermsandconditions.Thenfollowtheinstructionsonthescreen.

7.IftheRecoveryDiscSetcontainsaSupplementalRecoveryDisc,insertitwhenpromptedandclickYes.

Note:NotallRecoveryDiscSetscomewithaSupplementalRecoveryDisc.IfthereisaSupplemental
RecoveryDisc,itwillbeclearlymarkedassuch.

8.Whenallofthedatahasbeencopiedfromthelastdiscinthesetandhasbeenprocessed,remove
theexternalCD/DVDdriveandrestartthecomputer.Followtheinstructionsonthescreentofinish
therecovery.

Note:Therestoftherecoveryprocessisfullyautomatedandnoactionfromyouisrequired.The
computerwillrestartintotheMicrosoft
periodswhennoactivityisapparentonthescreenforseveralminutesatatime.Thisisnormal.

©CopyrightLenovo2016,2017

®

Windowsdesktopseveraltimesandyoumightexperience

29

9.Whentherecoveryprocesscompletes,theWelcometoMicrosoftWindowsscreenisdisplayed.Follow
theinstructionsonthescreentocompletetheWindowssetup.

10.AfteryouhavecompletedtheWindowssetup,youmightwanttorestoretheoriginalstartupsequence.
StarttheThinkPadSetupprogramandthenpressF9torestorethedefaultsettings.PressF10tosave
changesandexittheThinkPadSetupprogram.

Note:Afterrestoringadrivetothefactorydefaultsettings,youmightneedtoreinstallsomedevicedrivers.

RecoveryoverviewfortheWindows10operatingsystem

TheWindowsrecoveryprogramsenableyoutoresetyourcomputeroruseadvancedstartupoptions.

ItisrecommendedthatyoucreatearecoveryUSBdriveasearlyaspossible.StoretherecoveryUSBdrive
asabackuporreplacementfortheWindowsrecoveryprograms.

Formoreinformation,see“CreatingandusingarecoveryUSBdrive”onpage31

.

Resettingyourcomputer

Ifyourcomputerdoesnotperformwell,youmightconsiderresettingyourcomputer.Intheresettingprocess,
youcanchoosetokeepyourfilesorremovethem,andthenreinstalltheWindowsoperatingsystem.

Toresetyourcomputer,dothefollowing:

Note:Thegraphicaluserinterface(GUI)itemsoftheoperatingsystemmightchangewithoutnotice.

1.OpentheStartmenuandthenclickSettings.IfSettingsisnotdisplayed,clickAllappstodisplayall

programs,andthenclickSettings➙Update&security➙Recovery.

2.IntheResetthisPCsection,clickGetstarted.

3.Followtheinstructionsonthescreentoresetyourcomputer.

Usingadvancedstartupoptions

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

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.

3011e4thGenandY oga11e4thGenHardwareMaintenanceManual

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.

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”onpage32

Chapter4.Relatedserviceinformation31

.

Harddiskpassword

Therearetwokindsofharddiskpasswords:

•Userharddiskpassword-fortheuser

•Masterharddiskpassword-forthesystemadministrator,whocanuseittogetaccesstotheM.2
solid-statedriveeveniftheuserhaschangedtheuserharddiskpassword

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

Attention:Iftheuserharddiskpasswordhasbeenforgotten,checkwhetheramasterharddiskpassword
hasbeenset.Ifithas,itcanbeusedforaccesstotheM.2solid-statedrive.Ifnomasterharddiskpassword
isavailable,neitherLenovonorLenovoauthorizedservicetechniciansprovideanyservicestoreseteither
theuserorthemasterharddiskpassword,ortorecoverdatafromtheM.2solid-statedrive.TheM.2
solid-statedrivecanbereplacedforascheduledfee.

Forhowtoremovetheharddiskpassword,see“Howtoremovetheharddiskpassword”onpage33

Supervisorpassword

ThesupervisorpasswordprotectsthesysteminformationstoredintheThinkPadSetupprogram.Itprovides
thefollowingsecurityfeatures:

•Ifonlyasupervisorpasswordisset,apasswordpromptisdisplayedwhenyoutrytostarttheThinkPad
Setupprogram.Unauthorizeduserscannotchangemostofthesystemconfigurationoptionsinthe
ThinkPadSetupprogramwithoutthepassword.

•Thesystemadministratorcanusethesupervisorpasswordtoaccessacomputereveniftheuserofthat
computerhassetapower-onpassword.Thesupervisorpasswordoverridesthepower-onpassword.

•ThesystemadministratorcansetthesamesupervisorpasswordonmanyThinkPadnotebookcomputers
tomakeadministrationeasier.

Attention:Ifthesupervisorpasswordhasbeenforgottenandcannotbemadeavailabletotheservice
technician,thereisnoserviceproceduretoresetthepassword.Thesystemboardmustbereplacedfor
ascheduledfee.

Howtoremovethepower-onpassword

Toremoveapower-onpassword,dothefollowing:

Ifnosupervisorpasswordhasbeenset,dothefollowingtoremovethepower-onpassword:

1.Turnoffthecomputeranddisconnectacpower.

2.Disablethebuilt-inbattery.See“Disablingthebuilt-inbattery”onpage60.

3.Removethebottomcover.See“1010Bottomcover”onpage60.

4.Removethecoin-cellbatteryandwaitforafewseconds.See“1060Coin-cellbattery”onpage65.

5.Reinstallthecoin-callbattery.

6.Reinstallthebottomcover.

7.Reconnectacpower.

8.TurnonthecomputerandwaituntilthePOSTends.AfterthePOSTends,thepasswordpromptdoes
notappear.Thepower-onpasswordhasbeenremoved.

.

Ifasupervisorpasswordhasbeensetandisknowntotheservicetechnician,dothefollowingtoremove
thepower-onpassword:

1.Turnonthecomputer.

3211e4thGenandY oga11e4thGenHardwareMaintenanceManual

2.WhentheThinkPadlogoisdisplayed,immediatelypressF1.

3.TypethesupervisorpasswordtoentertheThinkPadSetupprogram.

4.SelectSecurity.

5.SelectPassword.

6.SelectPower-OnPassword.

7.TypethecurrentsupervisorpasswordintheEnterCurrentPasswordfield.ThenleavetheEnter
NewPasswordfieldblank,andpressEntertwice.

8.IntheChangeshavebeensavedwindow,pressEnter.

9.PressF10tosavechangesandexittheThinkPadSetupprogram.Thepower-onpasswordhas
beenremoved.

Howtoremovetheharddiskpassword

Attention:IfUseronlymodeisselectedandtheuserharddiskpasswordhasbeenforgottenandcannotbe

madeavailabletotheservicetechnician,neitherLenovonorLenovoauthorizedservicetechniciansprovide
anyservicestoresettheuserharddiskpasswordsortorecoverdatafromtheM.2solid-statedrive.TheM.2
solid-statedrivecanbereplacedforascheduledfee.

Toremoveauserharddiskpasswordthathasbeenforgotten,whenthesupervisorpasswordandmaster
harddiskpasswordareknown,dothefollowing:

1.Turnonthecomputer.

2.WhentheThinkPadlogocomesup,immediatelypressF1toentertheThinkPadSetupprogram.When
thepower-onpasswordiconisdisplayedonthescreen,entereitherthepower-onpasswordorthe
supervisorpassword.

3.Whentheuserharddiskpasswordiconisdisplayedonthescreen,pressF1.Themasterharddisk
passwordiconisdisplayed.

4.EnterthemasterharddiskpasswordtoentertheThinkPadSetupprogram.

5.SelectSecurity.

6.SelectPassword.

7.SelectHard-diskxpassword,wherexistheletteroftheM.2solid-statedrive.Apop-upwindowopens.

8.SelectMasterharddiskpassword.

9.TypethecurrentmasterharddiskpasswordintheEnterCurrentPasswordfield.ThenleavetheEnter
NewPasswordfieldblank,andpressEntertwice.

10.PressF10tosavechangesandexittheThinkPadSetupprogram.Theuserharddiskpasswordandthe
masterharddiskpasswordhavebeenremoved.

Powermanagement

Toreducepowerconsumption,thecomputerhasthreepowermanagementmodes:screenblank,sleep,
andhibernation.

Sleepmode

Whenthecomputerenterssleepmode,thefollowingeventsoccurinadditiontowhatoccursinscreen
blankmode:

•TheLCDispoweredoff.

•Thesolid-statedriveispoweredoff.

•Themicroprocessorstops.

Toentersleepmode,dooneofthefollowing:

•PressFn+4.

Chapter4.Relatedserviceinformation33

•OpentheStartmenu,clickPower,andthenclickSleep.

Incertaincircumstances,thecomputergoesintosleepmodeautomatically:

•Afteraperiodofinactivityspecifiedinpowerplansettings

Toresumethecomputerfromsleepmode,pressthepowerbutton.

Also,inthefollowingevent,thecomputerautomaticallyreturnsfromsleepmodeandresumesoperation:

•Thetimesetontheresumetimerelapses.

Note:Thecomputerdoesnotacceptanyinputimmediatelyafteritenterssleepmode.Waitafew
secondsbeforetakinganyactiontoreenteroperationmode.

Hibernationmode

Inhibernationmode,thefollowingoccurs:

•Thesystemstatus,RAM,VRAM,andsetupdataarestoredontheharddisk.

•Thesystemispoweredoff.

Ifyouhavedefinedoneofthefollowingactionsastheeventthatcausesthesystemtogointohibernation
mode,performthataction.

•Closingthelid.

•Pressingthepowerbutton.

Also,thecomputergoesintohibernationmodeautomaticallyafteraperiodofinactivityspecifiedinpower
plansettings.

Whenthepoweristurnedon,thecomputerreturnsfromhibernationmodeandresumesoperation.The
hibernationfileinthebootrecordontheM.2solid-statedriveisread,andsystemstatusisrestoredfrom
theM.2solid-statedrive.

Symptom-to-FRUindex

Thissectioncontainsfollowinginformation:

•“Numericerrorcodes”onpage35

•“Errormessages”onpage36

•“Beepsymptoms”onpage37

•“No-beepsymptoms”onpage37

•“LCD-relatedsymptoms”onpage37

•“Intermittentproblems”onpage38

•“Undeterminedproblems”onpage38

Thesymptom-to-FRUindexinthissectionlistssymptomsanderrorsandtheirpossiblecauses.Themost
likelycauseislistedfirst,inboldfacetype.

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

Thisindexcanalsohelpyoudetermine,duringregularservicing,whatFRUsarelikelytoneedtobe
replacednext.

AnumericerrorisdisplayedforeacherrordetectedinPOSTorsystemoperation.Inthedisplays,ncan
beanynumber.

3411e4thGenandY oga11e4thGenHardwareMaintenanceManual

Ifnonumericcodeisdisplayed,checkthenarrativedescriptionsofsymptoms.Ifthesymptomisnot
describedthere,goto“Intermittentproblems”onpage38

.

Note:ForadevicenotsupportedbydiagnosticcodesintheThinkPadnotebookcomputers,seethe
manualforthatdevice.

Numericerrorcodes

Table1.Numericerrorcodes

Symptomorerror

0177

BadSVPdata,stopPOSTtask—Thechecksumofthe
supervisorpasswordintheEEPROMisnotcorrect.

0183

BadCRCofSecuritySettingsinEFIVariable.Enterthe
ThinkPadSetupprogram.

0187

EAIAdataaccesserror—TheaccesstoEEPROMisfailed.

0188

InvalidRFIDSerializationInformationArea.

0189

InvalidRFIDconfigurationinformationarea—The
EEPROMchecksumisnotcorrect.

0190

Criticallow-batteryerror

0191

SystemSecurity—InvalidRemoteChangerequested.

0199

SystemSecurity—Securitypasswordretrycount
exceeded.

1802

Unauthorizednetworkcardispluggedin—Turnoffand
removethenetworkcard.

0270

RealTimeClockError—SystemRealTimeClockisnot
functional.

0271

CheckDateandTimesettings—Neitherthedatenorthe
timeissetinthecomputer.

2100

DetectionerroronStorageDevice(M.2)

2101

DetectionerroronSSD(M.2)

2110

ReaderroronStorageDevice(M.2)

2111

ReaderroronSSD(M.2)

FRUoraction,insequence

Systemboard

1.RuntheThinkPadSetupprogram,andthensave
currentsettingbypressingF10.

2.Systemboard

Systemboard

Systemboard

Systemboard

1.Chargethebattery.

2.Battery

1.RuntheThinkPadSetupprogram,andthensave

currentsettingbypressingF10.

2.Systemboard

1.RuntheThinkPadSetupprogram,andthensave

thecurrentsettingbypressingF10.

2.Systemboard

1.Removewirelessnetworkcard.

2.Systemboard

Havethecomputerserviced.

Setthedateandtime,usingThinkPadSetup.

1.Reseattheinternalstoragedrive.

2.Internalstoragedrive

3.Systemboard

1.Reseatthesolid-statedrive.

2.Solid-statedrive

3.Systemboard

1.Reseattheinternalstoragedrive.

2.Internalstoragedrive

3.Systemboard

1.Reseatthesolid-statedrive.

2.Solid-statedrive

3.Systemboard

Chapter4.Relatedserviceinformation35

Errormessages

Table2.Errormessages

Symptomorerror

Fanerror1.Fan

Thermalsensingerror

FRUoraction,insequence

2.Thermalgrease

3.Systemboard

Systemboard

Beeperrors

LenovoSmartBeeptechnologyenablesyoutodecodebeeperrorswithyoursmartphonewhenablack
screenoccurswithbeepsfromyourcomputer.TodecodethebeeperrorwithLenovoSmartBeep
technology,dothefollowing:

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

2.Downloadtheproperdiagnosticappandinstallitonyoursmartphone.

3.Runthediagnosticappandplacethesmartphonenearthecomputer.

4.PresstheFnkeyonyourcomputertoemitthebeepagain.Thediagnosticappdecodesthebeeperror
andshowspossiblesolutionsonthesmartphone.

Thefollowingsectiondescribessomebeeperrorsandthecorrespondingsolutions.

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,

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).

3611e4thGenandY oga11e4thGenHardwareMaintenanceManual

Errorcodes

0284:TCG-compliantfunctionality-relatederror(mightbe
theBIOScodevalidationfailure)

0285:TCG-compliantfunctionality-relatederror(mightbe
theTPMinitializationfailure)

0286:Integratedgraphicserror

0287:Discretegraphicserror1.Reinstallorreplacethediscretegraphicscard

0288:Computerdisplayerror

Solutions

Replacethesystemboard(serviceprovideronly).

Replacethesystemboard(serviceprovideronly).

Replacethesystemboard(serviceprovideronly).

(serviceprovideronly).

2.Replacethesystemboard(serviceprovideronly).

1.Reconnectthedisplaycableonboththesystem
boardsideandthecomputerdisplayside(service
provideronly).

2.Replacethesystemboard(serviceprovideronly).

Beepsymptoms

Table3.Beepsymptoms

Symptomorerror

Oneshortbeep,pause,threeshortbeeps,pause,three
moreshortbeeps,pause,andoneshortbeep(1-3-3-1
beeps)

OnelongandtwoshortbeepsSystemboard

Threeshortbeeps,pause,oneshortbeep,pause,one
shortbeep,pause,andthreemoreshortbeeps(3-1-1-3
beeps)

Fourcyclesoffourshortbeeps

Fiveshortbeeps

Fiveshortbeeps,pause,fivemoreshortbeeps,and
pause

FRUoraction,insequence

Systemboard

PCIresourceproblem

Systemboard

Systemboard

TCG-compliantfunctionality-relatedproblem

No-beepsymptoms

Table4.No-beepsymptoms

Symptomorerror

Nobeep,system-statusindicatoron,LCDblank,andno
POST.

Nobeep,system-statusindicatoron,andLCDblank
duringPOST.

Thepower-onpasswordpromptappears.Apower-onpasswordorasupervisorpasswordis

Thehard-diskpasswordpromptappears.Ahard-diskpasswordisset.Typethepasswordand

FRUoraction,insequence

1.Ensurethateveryconnectorisconnectedtightly
andcorrectly.

2.Systemboard

Systemboard

set.T ypethepasswordandpressEnter.

pressEnter.

LCD-relatedsymptoms

Important:TheTFTLCDforthenotebookcomputercontainsmanythin-filmtransistors(TFTs).The

presenceofasmallnumberofdotsthataremissing,discolored,oralwayslightedischaracteristicofTFT
LCDtechnology,butexcessivepixelproblemscancauseviewingconcerns.IftheLCDyouareservicinghas

Chapter4.Relatedserviceinformation37

twoorlessvisibledefectivepixels,itshouldnotbeconsideredfaulty.However,iftheLCDhasthreeormore
visibledefectivepixels,itwillbedeemedasdefectivebyLenovoanditshouldbereplaced.

Notes:

•ThispolicyappliestoallThinkPadnotebookspurchasedon1January,2008orlater.

•LenovowillnotprovidereplacementiftheLCDiswithinspecificationaswecannotguaranteethat
anyreplacementLCDwillhavezeropixeldefects.

•OnepixelconsistsofR,G,Bsub-pixels.

Table5.LCD-relatedsymptoms

Symptomorerror

Nobeep,system-statusindicatoron,andablankLCD
duringPOST.

•LCDbacklightnotworking.

•LCDtoodark.

•LCDbrightnesscannotbeadjusted.

•LCDcontrastcannotbeadjusted.

•LCDscreenunreadable.

•Charactersmissingpixels.

•Screenabnormal.

•Wrongcolordisplayed.

HorizontalorverticallinesdisplayedonLCD.LCDassembly

FRUoraction,insequence

Systemboard

1.ReseattheLCDconnectors.

2.LCDassembly

3.Systemboard

1.Seeimportantnotefor“LCD-relatedsymptoms.”

2.ReseatallLCDconnectors.

3.LCDassembly

4.Systemboard

Intermittentproblems

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

Whenanalyzinganintermittentproblem,dothefollowing:

1.Runthediagnostictestforthesystemboardinloopmodeatleast10times.

2.Ifnoerrorisdetected,donotreplaceanyFRUs.

3.Ifanyerrorisdetected,replacetheFRUshownbytheFRUcode.Rerunthetesttoverifythatno
moreerrorsexist.

Undeterminedproblems

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

Verifythatallattacheddevicesaresupportedbythecomputer.

Verifythatthepowersupplybeingusedatthetimeofthefailureisoperatingcorrectly.See“Powersystem
checkout”onpage26

1.Turnoffthecomputer.

2.VisuallycheckeachFRUfordamage.ReplaceanydamagedFRU.

3.Removeordisconnectallofthefollowingdevices:
a.Non-ThinkPaddevices
b.Printer,mouse,andotherexternaldevices
c.Externaldiskettedriveoropticaldrive
d.Wirelesscards

4.Turnonthecomputer.

3811e4thGenandY oga11e4thGenHardwareMaintenanceManual

.

5.Determinewhethertheproblemhasbeensolved.

6.Iftheproblemdoesnotrecur,reconnecttheremoveddevicesoneatatimeuntilyoufindthefailingFRU.

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

Chapter4.Relatedserviceinformation39

4011e4thGenandY oga11e4thGenHardwareMaintenanceManual

Chapter5.Functionkeys

F8

F9

F

10

F11

Thefollowingtabledescribesthefunctionsoffunctionkeysandkeycombinations.

Table6.Functionkeys

Functionkeyandkey
combination

+

Description

YoucanconfiguretheFnkeyandfunctionkeysintheKeyboardPropertieswindow
bydoingthefollowing:

1.GotoControlPanel.ChangetheviewofControlPanelfromCategorytoLarge
iconsorSmallicons.

2.ClickKeyboard.IntheKeyboardPropertieswindow,clicktheFnandfunction
keystab.

3.Selecttheoptionsofyourpreference.

PressFn+EsctoswitchthekeyfunctionbetweenthestandardF1–F12functionandthe
specialfunctionprintedasanicononeachkey.Y oucanchangethedefaultfunctionin
theKeyboardPropertieswindow.

Muteorunmutethespeakers.

Ifyoumutethesoundandturnoffyourcomputer,thesoundwillremainmutedwhen
youturnonyourcomputeragain.Toturnonthesound,pressF2orF3.

Decreasethespeakervolume.

Increasethespeakervolume.

Muteorunmutethemicrophones.

Darkenthecomputerdisplay.

©CopyrightLenovo2016,2017

Brightenthecomputerdisplay.

Manageexternaldisplays.

Enableordisablethebuilt-inwirelessfeatures.

OpentheSettingswindow.

Enableordisablethebuilt-inBluetoothfeatures.

Openakeyboardsettingpage.

41

Table6.Functionkeys(continued)

F12

Functionkeyandkey
combination

+

Description

Thekeyinvokesthefunctiondefinedbyyourself.Ifnofunctionisdefined,pressthiskey
toopentheCortanapersonalassistant.

TodefineorchangetheactionfortheF12key,dothefollowing:

1.OpentheLenovoSettingsprogram.

2.Clicktheinputicon.

3.LocatetheKEYBOARD:USER-DEFINEDKEYsectionandfollowtheinstructions
onthescreentocompletethesetting.

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

OpentheSnippingToolprogram.

4211e4thGenandY oga11e4thGenHardwareMaintenanceManual

Chapter6.Locations

F1 F4

Thischapterintroducesthelocationsofthehardwarecomponentsonyourcomputer.

Locatingcomputercontrols,connectors,andindicators

Thistopicintroducesthelocationsofthecomputercontrols,connectors,andindicators.

Frontview

ThinkPad11e4thGenfrontview

1Microphone

3Camera4Speakers

5Security-lockslot

7USB3.0connector

9Volume-controlbuttons10Powerbutton

11System-statusindicator

13FnLockindicator

15Microphone-muteindicator

©CopyrightLenovo2016,2017

1

2

4

2Cameraindicator

6HDMI™connector

8Audioconnector

12Touchpad

14Speaker-muteindicator

3

43

ThinkPadYoga11e4thGenfrontview

F1 F4

1Microphone

3Camera4Speakers

5Security-lockslot

7USB3.0connector

9Volume-controlbuttons10Powerbutton

11System-statusindicator

13FnLockindicator

15Microphone-muteindicator

1

:TheilluminateddotintheThinkPadlogoworksasasystem-statusindicatorandhelpsyouidentify

thestatusofyourcomputer.

1

2

4

2Cameraindicator

6HDMI™connector

8Audioconnector

12Touchpad

14Speaker-muteindicator

16Multi-touchscreen

3

Blinksforthreetimes:Thecomputerisinitiallyconnectedtopower.
On:Thecomputerison(innormalmode).
Blinksfast:Thecomputerisenteringsleeporhibernationmode.
Blinksslowly:Thecomputerisinsleepmode.
Off:Thecomputerisofforinhibernationmode.

2

:TheFnLockindicatorshowsthestatusofFnLockfunction.

Off:TheFnLockfunctionisdisabled.Toinitiatethespecialfunctionofeachkey,pressthecorresponding
functionkeydirectly.ToinputF1-F12,presstheFnkeyandthecorrespondingfunctionkey.
On:TheFnLockfunctionisenabled.ToinputF1-F12,pressthecorrespondingfunctionkeydirectly.T o
initiatethespecialfunctionofeachkey,presstheFnkeyandthecorrespondingfunctionkey.

4411e4thGenandY oga11e4thGenHardwareMaintenanceManual

3

:Whenthespeaker-muteindicatorison,thespeakersaremuted.

4

:Whenthemicrophone-muteindicatorison,themicrophoneismuted.

Left-sideview

1System-statusindicator

3Mediacardslot

5Ethernetconnector6Powerconnector

1

:TheilluminateddotintheThinkPadlogoworksasasystem-statusindicatorandhelpsyouidentify

1

2Wireless-statusindicator

4USB3.0connector

2

thestatusofyourcomputer.

Blinksforthreetimes:Thecomputerisinitiallyconnectedtopower.
On:Thecomputerison(innormalmode).
Blinksfast:Thecomputerisenteringsleeporhibernationmode.
Blinksslowly:Thecomputerisinsleepmode.
Off:Thecomputerisofforinhibernationmode.

2

:Thewireless-statusindicatorislocatedontheouterlidofthecomputerandithelpsyouidentifythe

wirelessstatusofyourcomputer.

Solidgreen:Thewirelessfeaturesofthecomputerareon.
Off:Thewirelessfeaturesofthecomputerareoff.

Chapter6.Locations45

Bottomview

1Bottomcover2Fanlouvers

3Emergencyresethole

LocatingFRUsandCRUs

Thistopicintroducesthefollowingserviceparts:

•“MajorCRUsandFRUs”onpage47

•“LCDFRUs”onpage49

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/support.ClickGuides&Manualsandthenfollow
theon-screeninstructionstofindthemanualforyourproduct.Y oumightberequiredtoreturnthedefectivepart
thatisreplacedbytheCRU.Whenreturnisrequired:(1)returninstructions,aprepaidshippinglabel,anda
containerwillbeincludedwiththereplacementCRU;and(2)youmightbechargedforthereplacementCRUif
LenovodoesnotreceivethedefectiveCRUwithinthirty(30)daysofyourreceiptofthereplacementCRU.Seeyour
LenovoLimitedWarrantydocumentationforfulldetails.

ThinkPadcomputerscontainthefollowingtypesofCRUs:
–Self-serviceCRUs:TheseCRUsunplugorareheldbynomorethantwoscrews.Examplesofthesetypesof

CRUsincludetheacpoweradapterandpowercord.Otherself-serviceCRUsdependingonproductdesign
mightincludethememorymodule,wirelesscard,keyboard,andpalmrestwithfingerprintreaderandtouchpad.

–Optional-serviceCRUs:TheseCRUsareisolatedpartswithinthecomputerthatareconcealedbyanaccess

panelthatistypicallysecuredbymorethantwoscrews.Oncetheaccesspanelisremoved,thespecific
CRUisvisible.

•ACRUisidentifiedbyasingleasterisk(*)ortwoasterisks(**)intheCRUIDcolumn.AnNintheCRUIDcolumn
meansthatthepartisnotaCRU.Asingleasterisk(*)meansthatthepartisaself-serviceCRU;twoasterisks
(**)meansthatthepartisanoptional-serviceCRU.

•FRUsmarkedwith

OPareavailableasoptions.

4611e4thGenandY oga11e4thGenHardwareMaintenanceManual

MajorCRUsandFRUs

e

d

Chapter6.Locations47

No.FRUdescriptions

Self
service

Optional
CRU

CRU

1

LCDunit(see“LCDFRUs”onpage49)

2

KeyboardNoYes

3

KeyboardbezelassemblyNoNo

4

Thermalfan

5

Systemboardassembly

6

Coin-cellbattery

7

MemorymoduleNoYes

8

M.2solid-statedriveNoYes

9

BasecoverassemblyNoNo

10

BatteryNoNo

11

BottomcoverNoYes

12

WirelessLANcardNoYes

13

BracketfortheEthernetconnectorandUSBconnector

14

Bracketforthedc-inconnector

15

dc-inconnectorNoNo

16

MediacardreaderboardNoNo

a

LenovofactoryrecoveryUSBkey*

b

Lenovorecoverydiscset*NoNo

c

Screwkitsandmiscellaneousparts

d

PowercordYesNo

e

acpoweradapterYesNo

NoNo

NoNo

NoNo

NoYes

NoNo

NoNo

NoNo

NoNo

Note:TheLenovofactoryrecoveryUSBkeyaandtheLenovorecoverydiscsetbareusedtorestorethe
MicrosoftWindowsoperatingsystem.Theymightnotcomewiththecomputer,andausermightorderthem
fromhttp://www.lenovo.com/lenovorecovery,thoughadditionalshippingandhandlingfeesmightapply.

4811e4thGenandY oga11e4thGenHardwareMaintenanceManual

LCDFRUs

LCDFRUsfornon-touchmodels:

No.FRUdescriptions

1

LCDbezelassembly

2

Camera/microphoneboard

3

LCDpanelwithouttouchfunction

a

Screwcaps

4

HingesNN

5

LCDrearcoverassembly(includingantennakitsandcamera/microphone/CCD

Self-service
CRU

NN

NN

NN

NN

NN

Optional
CRU

modulecables)

6

LCDcable

b

HingerubbersNN

NN

Chapter6.Locations49

LCDFRUsfortouchmodels:

No.FRUdescriptions

1

LCDpanelassemblywithtouchfunction

2

LCDpanelbrackets

3

ProximitysensorboardNN

4

Camera/microphoneboard

5

HingesNN

6

LCDrearcoverassembly(includingantennakitsand
camera/microphone/CCD/proximitysensormodulecables)

7

LCDcable

a

Screwcaps

b

HingerubbersNN

5011e4thGenandY oga11e4thGenHardwareMaintenanceManual

Self-service
CRU

NN

NN

NN

NN

NN

NN

Optional
CRU

Connectorandcableguide

ThissectionprovidesinformationtohelpLenovo-authorizedservicetechniciansidentifyconnectorsand
cablesforreplacementpurpose.T ovieweachFRUandtheexplodedillustrationofthecomputer,see“Major
CRUsandFRUs”onpage47

Note:Dependingonthecomputermodel,someconnectorsorcablesmightnotbeavailable.

Systemboardconnectorsandcables

and“LCDFRUs”onpage49.

No.

1

Connector/location

Wireless-LANcardslot(internal)

Internalcable

None,withthewireless-LANcarddirectlyconnecting
tothesystemboard

2

Media-cardreaderconnector(internal)

Media-cardreadercable,connectingthemedia-card
readertothesystemboard

3

Batteryconnector(internal)

Batterycable,connectingthebatterytothesystem
board

4

Trackpadconnector(internal)FPCfortrackpad,connectingthetrackpadtothe

systemboard

5

M.2solid-statedriveslot(internal)

None,withtheM.2solid-statedrivedirectly
connectingtothesystemboard

6

Memorymoduleslot(internal)

None,withthememorymoduledirectlyconnecting
tothesystemboard

7

ThinkPadlogoLEDconnector(internal)FPCforThinkPadlogoLED,connectingtheThinkPad

logoLEDtothesystemboard

8

Coin-cellbatteryconnector(internal)Coin-cellbatterycable,connectingthecoin-cell

batterytothesystemboard

9

10

11

12

13

14

Powerbutton(rightside)

Volume-controlbuttons(rightside)

Audioconnector(rightside)

USB3.0connector(rightside)

HDMIconnector(rightside)

Speakerconnector(internal)Speakercable,connectingthespeakerassemblyto

None.Integrated.

None.Integrated.

None.Integrated.

None.Integrated.

None.Integrated.

thesystemboard

15

Camera/microphoneconnector(internal)Cameracable,connectingthecameramodule,

microphonemodule,CCDmodule,andproximity
sensormodule(fortouchmodels)tothesystem
board

16

17

Keyboardconnector(internal)

Thermalfanconnector(internal)

Keyboardassemblywithcables

Thermalfanassemblywithcable

Chapter6.Locations51

No.

18

19

20

21

Connector/location

LCDconnector(internal)LCDcable,connectingtheLCDunittothesystem

dc-inconnector(internal)

Ethernetconnector(leftside)

USB3.0connector(leftside)

Camera/microphonemoduleconnectorandcable

Internalcable

board

dc-incable,connectingthedc-inconnectortothe
systemboard

None.Integrated.

None.Integrated.

No.

1

Connector/location

Camera/microphoneconnector(internal)Cameracable,connectingthecameramodule,

Keyboardbezelassemblyconnectorandcable

No.

1

Connector/location

Trackpadconnector(internal)FPCfortrackpad,connectingthetrackpadtothe

Internalcable

microphonemodule,CCDmodule,andproximity
sensormodule(fortouchmodels)tothesystemboard

Internalcable

systemboard

5211e4thGenandY oga11e4thGenHardwareMaintenanceManual

Media-cardreaderconnectorandcable

No.

1

Connector/location

Media-cardreaderconnector(internal)FPCformedia-cardreader,connectingthe

Wireless-LANcardconnectorsandcables

No.

1

2

Connector/location

Wireless-LANantennaconnector(internal)Wireless-LANantennaassemblywithcable(gray),

Wireless-LANantennaconnector(internal)Wireless-LANantennaassemblywithcable(black),

Internalcable

media-cardreadertothesystemboard

Internalcable

connectingthemainwireless-LANantennatothe
wireless-LANcard

connectingtheauxiliarywireless-LANantennatothe
wireless-LANcard

Proximitysensorboardconnectorandcable(fortouchmodels)

Chapter6.Locations53

No.

1

Connector/location

Proximitysensorboardconnector(internal)

Internalcable

Proximitysensorboardcable,connectingthe
proximitysensorboardtothesystemboardandthe
camera,microphone,andCCDmodules

LookingupFRUinformation

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

5411e4thGenandY oga11e4thGenHardwareMaintenanceManual

Chapter7.FRUreplacementnotices

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/support.ClickGuides&Manualsandthenfollowtheon-screeninstructionstofind
themanualforyourproduct.Y oumightberequiredtoreturnthedefectivepartthatisreplacedbytheCRU.
Whenreturnisrequired:(1)returninstructions,aprepaidshippinglabel,andacontainerwillbeincluded
withthereplacementCRU;and(2)youmightbechargedforthereplacementCRUifLenovodoesnot
receivethedefectiveCRUwithinthirty(30)daysofyourreceiptofthereplacementCRU.SeeyourLenovo
LimitedWarrantydocumentationforfulldetails.

Commonservicetools

Belowisthelistofcommonservicetoolsthatyoumightneedwhileservicingthecomputer.

•Screwdriverkit

•1/4"drivespinnerhandle

•1/4"Sq.to1/4"hextorxadapter

•TR7-TR-10tamperresistanttorxbits

•RemovaltoolantennaRFconnector

•USB2.0CD-RW/DVD-ROMcombodriveII

•USBcable

•USBMaintenanceKey

•USBfloppydiskettedriveformaintenancediskette

•USBfloppydiskettedrivetoolkit

•T estcardforintegratedSmartCard

•LENOVOThinkPadHardwareMaintenanceDisketteVersion1.76orlater

Note:DownloadthefilefromthefollowingWebsite:
http://www.lenovo.com/support

Screwnotices

Loosescrewscancauseareliabilityproblem.IntheThinkPadnotebookcomputer,thisproblemisaddressed
withspecialnylon-coatedscrewsthathavethefollowingcharacteristics:

•Theymaintaintightconnections.

•Theydonoteasilycomeloose,evenwithshockorvibration.

•Theyarehardertotighten.

Dothefollowingwhenyouservicethismachine:

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

•Itisrecommendedtousenewscrews.

©CopyrightLenovo2016,2017

55

•Itisrecommendedtouseeachscrewonlyonce.

90degreesmore

(Cross-section)

180degreesmore

(Cross-section)

Tightenscrewsasfollows:

•Plastictoplastic
Turnanadditional90degreesafterthescrewheadtouchesthesurfaceoftheplasticpart.

•Logiccardtoplastic
Turnanadditional180degreesafterthescrewheadtouchesthesurfaceofthelogiccard.

Notes:

•Ensurethatyouusethecorrectscrew.Itisrecommendedtousenewscrewsforreplacements.Ifyou
haveatorquescrewdriver,tightenallscrewsfirmlytothetorquespecifiedinthescrewinformation
tableforeachstep.

•Ensurethattorquescrewdriversarecalibratedcorrectlyfollowingcountryspecifications.

Retainingserialnumbers

Thissectionincludesthefollowingdescriptions:

•“Restoringtheserialnumberofthesystemunit”onpage56

•“RetainingtheUUID”onpage57

•“ReadingorwritingtheECAinformation”onpage58

Restoringtheserialnumberofthesystemunit

Whenthecomputerwasmanufactured,theEEPROMonthesystemboardwasloadedwiththeserial
numbersofthesystemandallmajorcomponents.Thesenumbersneedtoremainthesamethroughout
thelifeofthecomputer.

Ifyoureplacethesystemboard,youmustrestoretheserialnumberofthesystemunittoitsoriginalvalue.

Theserialnumberofthesystemunitiswrittenonthelabelattachedtothebottomofthecomputer.

Ifyoucannotfindtheserialnumberofthesystemunitonthebottomofthecomputer,trythefollowing
methodtogetthenumber:

Note:Beforeyouperformtheoperation,ensurethattheUEFI/LegacysettingwithintheStartupmenuin
theThinkPadSetupprogramissettoUEFIOnly.

1.ConnectaUSBmemorykeytothecomputer.

5611e4thGenandY oga11e4thGenHardwareMaintenanceManual

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;theserialnumberofthesystemunitislistedasfollows:
20-Serialnumber

7.Recordtheserialnumberofthesystemunit.

Afteryoureplacethesystemboard,dothefollowingtorestoretheserialnumberofthesystemunit:

1.ConnecttheMaintenanceKeytothecomputer.

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.

Chapter7.FRUreplacementnotices57

ReadingorwritingtheECAinformation

InformationonEngineeringChangeAnnouncements(ECA)arestoredintheEEPROMofthesystemboard.
TheelectronicstorageofthisinformationsimplifiestheproceduretocheckiftheECAhasbeenpreviously
appliedtoamachine.ThemachinedoesnotneedtobedisassembledtocheckfortheECAapplication.

TocheckwhatECAshavebeenpreviouslyappliedtothemachine,usetheECAInformationRead/Write
functionontheUSBMaintenanceKey.

1.InserttheMaintenanceKeyandrestartthecomputer.

2.Fromthemainmenu,select6.SetECAInformation.

3.ToreadtheECAinformation,select2.ReadECA/reworknumberfromEEPROMandfollowthe
instructionsonthescreen.

4.Toreadtheboxbuilddate,select5.ReadboxbuilddatefromEEPROM,andfollowtheinstructionon
thescreen.

AfteranECAhasbeenappliedtothemachine,theEEPROMmustbeupdatedtoreflecttheECA's
application.UsetheMaintenanceKeytoupdatetheEEPROM.

Note:OnlytheECAnumberisstoredintheEEPROM.ThemachinetypeoftheECAisassumedtobethe
sameasthemachinetypeofthemachinethathadtheECAappliedtoit.

1.InserttheMaintenanceKeyandrestartthecomputer.

2.Fromthemainmenu,select6.SetECAInformation.

3.TowritetheECAinformation,select1.WriteECA/reworknumberfromEEPROM,andfollowthe
instructionsonthescreen.

4.Towritetheboxbuilddate,select4.WriteboxbuilddatefromEEPROM,andfollowtheinstructionon
thescreen.

Ifthesystemboardisbeingreplaced,trytoreadtheECAinformationfromtheoldsystemboardandtransfer
theinformationtothenewsystem.Ifthesystemboardisinoperable,thiswillnotbepossible.

5811e4thGenandY oga11e4thGenHardwareMaintenanceManual

Chapter8.RemovingorreplacingaFRU

ThischapterprovidesinstructionsonhowtoremoveorreplaceaFRU.

CRUstatementforcustomers:

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

optional-serviceCRUs,youcaneitherinstalltheCRUyourselforyoucanrequestthataServiceProvider
installtheCRUaccordingtothewarrantyserviceforyourproduct.IfyouintendoninstallingtheCRU,

LenovowillshiptheCRUtoyou.CRUinformationandreplacementinstructionsareshippedwithyour
productandareavailablefromLenovoatanytimeuponrequest.YoucanfindalistofCRUsforyourproduct
inthisHardwareMaintenanceManual.Anelectronicversionofthismanualisavailablefordownloadingat
http://www.lenovo.com/support.Y oumightberequiredtoreturnthedefectiveCRU.Whenreturnisrequired:
(1)returninstructions,aprepaidshippinglabel,andacontainerwillbeincludedwiththereplacement
CRU;and(2)youmightbechargedforthereplacementCRUifLenovodoesnotreceivethedefective
partwithinthirty(30)daysofyourreceiptofthereplacementCRU.SeeyourLenovoLimitedWarranty
documentationforfulldetails.

Generalguidelines

WhenremovingorreplacingaFRU,besuretoobservethefollowinggeneralguidelines:

1.Donottrytoserviceanycomputerunlessyouhavebeentrainedandcertified.Anuntrainedpersonruns
theriskofdamagingparts.

2.BeforereplacinganyFRU,reviewChapter7“FRUreplacementnotices”onpage55.

3.BeginbyremovinganyFRUsthathavetoberemovedbeforereplacingthefailingFRU.AnysuchFRUs
arelistedatthebeginningofeachFRUreplacementsection.Removethemintheorderinwhichthey
arelisted.

4.FollowthecorrectsequenceinthestepsforremovingaFRU,asgiveninthedrawingsbythenumbers
insquarecallouts.

5.Whenturningascrew,turnitinthedirectionasgivenbythearrowinthedrawing.

6.WhenremovingaFRU,moveitinthedirectionasgivenbythearrowinthedrawing.

7.ToputthenewFRUinplace,reversetheremovalprocedureandfollowanynotesthatpertainto
replacement.

8.WhenreplacingaFRU,usethecorrectscrewsasshowninthereplacementprocedures.

DANGER

BeforeremovinganyFRU,turnoffthecomputer ,unplugallpowercordsfromelectricaloutlets,
disconnectanyinterconnectingcables,andthendisablethebuilt-inbattery.

Attention:AfterreplacingaFRU,donotturnonthecomputeruntilyouhavemadesurethatallscrews,

springs,andothersmallpartsareinplaceandnonearelooseinsidethecomputer.Verifythisbyshaking
thecomputergentlyandlisteningforrattlingsounds.Metallicpartsormetalflakescancauseelectrical
shortcircuits.

Attention:Thesystemboardissensitiveto,andcanbedamagedby,electrostaticdischarge(ESD).Before
touchingit,establishpersonalgroundingbytouchingagroundpointwithonehandorbyusinganESDstrap.

©CopyrightLenovo2016,2017

59

Beforeservicingthecomputer

Carefullyreadthistopicbeforeservicingthecomputer.

Disablingthebuilt-inbattery

BeforereplacinganyFRU,ensurethatyouhavedisabledthebuilt-inbatterybydoingthefollowing:

1.Turnoffyourcomputeranddisconnecttheacpoweradapterandallcablesfromthecomputer.

2.Turnonyourcomputer.WhentheThinkPadlogoisdisplayed,immediatelypressF1toenterThinkPad
Setup.

3.SelectConfig➙Power.ThePowersubmenuisdisplayed.

4.SelectDisablebuilt-inbatteryandpressEnter.

5.SelectYesintheSetupConfirmationwindow.Thebuilt-inbatteryisdisabledandthecomputerturnsoff
automatically.Waitthreetofiveminutestoletthecomputercool.

RemovingamajorFRU

ThissectionprovidesinstructionsonhowtoremoveamajorFRU.

Note:Yourcomputerorthecomponentsofyourcomputermightlookslightlydifferentfromthefollowing
illustrations.

1010Bottomcover

Removalstepsofthebottomcover

6011e4thGenandY oga11e4thGenHardwareMaintenanceManual

Applyinglabelstothebottomcover:

Thenewbottomcoverassemblyisshippedwithakitcontaininglabelsofseveralkinds.Applythoselabels
whenyoureplacethebottomcoverassembly.Forthelabelsthatarenotshippedwiththenewbottomcover,
peelthemfromtheoldbottomcover,andadherethemtothenewone.

Thefollowingillustrationshowsthelocationofeachlabel.

1S/Nlabel2GEOlabel

3CECPlabel4GMLlabel(forWindows10)

567Assettags

9Israellabel10Indonesiaratinglabel

11IndonesiaPostellabel12BrazilANA TELlabel

8MCMClabelforMalaysia

1020Battery

Importantnoticesforreplacingabattery

Attention:Lenovohasnoresponsibilityfortheperformanceorsafetyofunauthorizedbatteries,and

providesnowarrantiesforfailuresordamagearisingoutoftheiruse.

TheLenovoSolutionCenterprogramprovidesanautomaticbatterydiagnostictestthatdeterminesifthe
batteryisdefective.AbatteryFRUshouldnotbereplacedunlessthisdiagnostictestshowsthatthebattery
isdefective.Theonlyexceptiontothisisifthebatteryisphysicallydamagedoracustomerisreportinga
possiblesafetyissue.

IftheLenovoSolutionCenterprogramisnotinstalledonthecomputer,thecustomershoulddownload
andinstalltheprogramtodiagnosethebattery,beforegettinganon-physicallydamagedbattery
replaced.Notethatthereplacementofaphysicallydamagedbatteryisnotcoveredbythewarranty.
CustomerscandownloadtheLenovoSolutionCenterprogramfromtheLenovoSupportWebsiteat:
http://www.lenovo.com/support.

Foraccess,removethisFRU:

•“1010Bottomcover”onpage60

Chapter8.RemovingorreplacingaFRU61

Removalstepsofthebattery

DANGER

Useonlytheauthorizedbatteryspecifiedforyourcomputer.Anyotherbatterycouldigniteor
explode.

StepScrew(quantity)Color

1

M2×L4mm,flat-head,nylon-coated(2)Silver

Torque

0.181Nm
(1.85kgf-cm)

6211e4thGenandY oga11e4thGenHardwareMaintenanceManual

1030M.2solid-statedrive

Foraccess,removethisFRU:

•“1010Bottomcover”onpage60

Attention:

•Donotdropthedriveorapplyanyphysicalshocktoit.Thedriveissensitivetophysicalshock.Improper
handlingcancausedamageandpermanentlossofdata.

•Beforeremovingthedrive,havetheusermakeabackupcopyofalltheinformationonitifpossible.

•Neverremovethedrivewhilethesystemisoperatingorinsuspendmode.

RemovalstepsoftheM.2solid-statedrive

StepScrew(quantity)Color

1

M2×L3mm,flat-head,nylon-coated(1)

Wheninstalling:EnsurethattheM.2solid-statedriveisfirmlyattached.

Torque

Black0.181Nm

(1.85kgf-cm)

Chapter8.RemovingorreplacingaFRU63

1040WirelessLANcard

Foraccess,removethisFRU:

•“1010Bottomcover”onpage60

RemovalstepsofthewirelessLANcard

StepScrew(quantity)Color

2

Wheninstalling:Attachthegraycabletotheconnectormarked“MAIN”onthecard,andattachtheblack
cabletotheconnectormarked“AUX” .

M2×L3mm,flat-head,nylon-coated(1)

Black0.181Nm

Torque

(1.85kgf-cm)

1050Memorymodule

Foraccess,removethisFRU:

•“1010Bottomcover”onpage60

Thistopiconlyappliestothememorymodulethatisseatedinthememoryslot.Thememorymoduleofyour
computermightbeseatedinthememoryslotorsolderedonthesystemboard.Ifthememorymoduleis
solderedonthesystemboard,itcannotbereplaced.

6411e4thGenandY oga11e4thGenHardwareMaintenanceManual

Removalstepsofthememorymodule

1060Coin-cellbattery

Foraccess,removethisFRU:

•“1010Bottomcover”onpage60

Removalstepsofthecoin-cellbattery

Wheninstalling:Ensurethattheconnectorisattachedfirmly.

1070Keyboard

Foraccess,removethisFRU:

•“1010Bottomcover”onpage60

Chapter8.RemovingorreplacingaFRU65

Removalstepsofthekeyboard

StepScrew(quantity)Color

1

M2×L4mm,flat-head,nylon-coated(2)Silver

Torque

0.181Nm
(1.85kgf-cm)

6611e4thGenandY oga11e4thGenHardwareMaintenanceManual

Wheninstalling:Ensurethattheconnectorisattachedfirmly.

1080Keyboardbezelassemblyandmedia-card-readerboard

Foraccess,removetheseFRUsinorder:

•“1010Bottomcover”onpage60

•“1020Battery”onpage61

•“1030M.2solid-statedrive”onpage63

•“1070Keyboard”onpage65

Chapter8.RemovingorreplacingaFRU67

Removalstepsofthekeyboardbezelassembly

StepScrewcapScrew(quantity)Color

1

2

3

4

N/AM2.5×L8mm,flat-head,nylon-coated(2)

N/AM2×L4mm,flat-head,nylon-coated(1)Silver

N/AM2xL2mm,big-head,nylon-coated(7)

M2×L5mm,flat-headshoulder,
nylon-coated(2)

Torque

Black0.294Nm

(3.0kgf-cm)

0.181Nm
(1.85kgf-cm)

Black0.181Nm

(1.85kgf-cm)

Black0.181Nm

(1.85kgf-cm)

StepScrew(quantity)Color

5

M2×L4mm,flat-head,nylon-coated(3)Silver

6811e4thGenandY oga11e4thGenHardwareMaintenanceManual

Torque

0.181Nm
(1.85kgf-cm)

Wheninstalling:Ensurethattheconnectorsareattachedfirmly.

Chapter8.RemovingorreplacingaFRU69

Removalstepsofthemedia-card-readerboard

StepScrew(quantity)Color

1

M2×L3mm,flat-head,nylon-coated(2)

Black0.181Nm

Wheninstalling:Ensurethattheconnectorisattachedfirmly.

1090Systemboardassembly,dc-inconnector,andthermalfan

Torque

(1.85kgf-cm)

Importantnoticesforhandlingthesystemboard

Whenhandlingthesystemboard,readthefollowing:

•Thesystemboardhasanaccelerometer,whichcanbebrokenwhenseveralthousandsofG-forces
areapplied.

Note:Droppingasystemboardfromaheightofaslittleas15cm(6inches)sothatitfallsflatonahard
benchcansubjecttheaccelerometertoasmuchas6000G'sofshock.

•Becarefulnottodropthesystemboardonabenchtopthathasahardsurface,suchasmetal,wood,or
composite.

•Avoidroughhandlingofanykind.

•Ateverypointintheprocess,besurenottodroporstackthesystemboard.

7011e4thGenandY oga11e4thGenHardwareMaintenanceManual

•Ifyouputasystemboarddown,besuretoputitonlyonapaddedsurfacesuchasanESDmatora
corrugatedconductivematerial.

Foraccess,removetheseFRUsinorder:

•“1010Bottomcover”onpage60

•“1020Battery”onpage61

•“1030M.2solid-statedrive”onpage63

•“1040WirelessLANcard”onpage64

•“1050Memorymodule”onpage64

•“1060Coin-cellbattery”onpage65

•“1070Keyboard”onpage65

•“1080Keyboardbezelassemblyandmedia-card-readerboard”onpage67

Attention:Themicroprocessorasolderedonthetopsideofthesystemboardisextremelysensitive.When
youservicethesystemboard,avoidanykindofroughhandling.

Removalstepsofthesystemboardassembly,dc-inconnector,andthermalfan

Chapter8.RemovingorreplacingaFRU71

StepScrew(quantity)Color

5

M2×L4mm,flat-head,nylon-coated(3)Silver

7211e4thGenandY oga11e4thGenHardwareMaintenanceManual

Torque

0.181Nm
(1.85kgf-cm)

Chapter8.RemovingorreplacingaFRU73

11b

11c

11a

11d

Wheninstalling:Ensurethattheconnectorsareattachedfirmly.

1100LCDunit

Foraccess,removetheseFRUsinorder:

•“1010Bottomcover”onpage60

•“1020Battery”onpage61

•“1030M.2solid-statedrive”onpage63

•“1040WirelessLANcard”onpage64

•“1050Memorymodule”onpage64

•“1060Coin-cellbattery”onpage65

•“1070Keyboard”onpage65

•“1080Keyboardbezelassemblyandmedia-card-readerboard”onpage67

•“1090Systemboardassembly,dc-inconnector,andthermalfan”onpage70

RemovalstepsoftheLCDunit

7411e4thGenandY oga11e4thGenHardwareMaintenanceManual

StepScrew(quantity)Color

3

M2.5×L5mm,flat-head,nylon-coated(6)

Torque

Black0.294Nm

(3.0kgf-cm)

Chapter8.RemovingorreplacingaFRU75

RemovinganLCDFRUfornon-touchmodels

ThissectionprovidesinstructionsonhowtoremoveanLCDFRUfornon-touchmodels.

2010LCDbezelassembly

Foraccess,removetheseFRUsinorder:

•“1010Bottomcover”onpage60

•“1020Battery”onpage61

•“1030M.2solid-statedrive”onpage63

•“1040WirelessLANcard”onpage64

•“1050Memorymodule”onpage64

•“1060Coin-cellbattery”onpage65

•“1070Keyboard”onpage65

•“1080Keyboardbezelassemblyandmedia-card-readerboard”onpage67

•“1090Systemboardassembly,dc-inconnector,andthermalfan”onpage70

•“1100LCDunit”onpage74

7611e4thGenandY oga11e4thGenHardwareMaintenanceManual

RemovalstepsoftheLCDbezelassembly

StepScrewcapScrew(quantity)Color

1

M2×L3mm,flat-head,nylon-coated(2)

Torque

Black0.181Nm

(1.85kgf-cm)

Wheninstalling:Ensurethatallthelatchesareattachedfirmly.

2020LCDpanelandLCDcable

Foraccess,removetheseFRUsinorder:

•“1010Bottomcover”onpage60

•“1020Battery”onpage61

•“1030M.2solid-statedrive”onpage63

•“1040WirelessLANcard”onpage64

•“1050Memorymodule”onpage64

•“1060Coin-cellbattery”onpage65

•“1070Keyboard”onpage65

•“1080Keyboardbezelassemblyandmedia-card-readerboard”onpage67

•“1090Systemboardassembly,dc-inconnector,andthermalfan”onpage70

Chapter8.RemovingorreplacingaFRU77

•“1100LCDunit”onpage74

0

•“2010LCDbezelassembly”onpage76

RemovalstepsofLCDpanelandLCDcable

StepScrew(quantity)Color

1

M1.7xL3mm,flat-head,nylon-coated(4)

Torque

Black0.181Nm

(1.85kgf-cm)

Wheninstalling:EnsurethattheLCDconnectorisattachedfirmly.

2030Camera/microphoneboard

Foraccess,removetheseFRUsinorder:

•“1010Bottomcover”onpage60

7811e4thGenandY oga11e4thGenHardwareMaintenanceManual

•“1020Battery”onpage61

•“1030M.2solid-statedrive”onpage63

•“1040WirelessLANcard”onpage64

•“1050Memorymodule”onpage64

•“1060Coin-cellbattery”onpage65

•“1070Keyboard”onpage65

•“1080Keyboardbezelassemblyandmedia-card-readerboard”onpage67

•“1090Systemboardassembly,dc-inconnector,andthermalfan”onpage70

•“1100LCDunit”onpage74

•“2010LCDbezelassembly”onpage76

•“2020LCDpanelandLCDcable”onpage77

Removalstepsofthecamera/microphoneboard

Wheninstalling:Ensurethattheconnectorisattachedfirmly.

2040Hinges

Foraccess,removetheseFRUsinorder:

•“1010Bottomcover”onpage60

•“1020Battery”onpage61

•“1030M.2solid-statedrive”onpage63

•“1040WirelessLANcard”onpage64

•“1050Memorymodule”onpage64

•“1060Coin-cellbattery”onpage65

•“1070Keyboard”onpage65

•“1080Keyboardbezelassemblyandmedia-card-readerboard”onpage67

•“1090Systemboardassembly,dc-inconnector,andthermalfan”onpage70

•“1100LCDunit”onpage74

•“2010LCDbezelassembly”onpage76

•“2020LCDpanelandLCDcable”onpage77

•“2030Camera/microphoneboard”onpage78

Chapter8.RemovingorreplacingaFRU79

Removalstepsofthehinges

StepScrew(quantity)Color

1

M2.5×L3.5mm,flat-head,nylon-coated(8)

Torque

Black0.294Nm

(3.0kgf-cm)

8011e4thGenandY oga11e4thGenHardwareMaintenanceManual

RemovinganLCDFRUfortouchmodels

ThissectionprovidesinstructionsonhowtoremoveanLCDFRUfortouchmodels.

3010LCDpanelassembly,LCDcable,andLCDpanelbrackets

Foraccess,removetheseFRUsinorder:

•“1010Bottomcover”onpage60

•“1020Battery”onpage61

•“1030M.2solid-statedrive”onpage63

•“1040WirelessLANcard”onpage64

•“1050Memorymodule”onpage64

•“1060Coin-cellbattery”onpage65

•“1070Keyboard”onpage65

•“1080Keyboardbezelassemblyandmedia-card-readerboard”onpage67

•“1090Systemboardassembly,dc-inconnector,andthermalfan”onpage70

•“1100LCDunit”onpage74

Chapter8.RemovingorreplacingaFRU81

RemovalstepsoftheLCDpanelassemblyandLCDcable

StepScrewcapScrew(quantity)Color

1

M2×L3mm,flat-head,nylon-coated(2)

Torque

Black0.181Nm

(1.85kgf-cm)

8211e4thGenandY oga11e4thGenHardwareMaintenanceManual

2

11

Wheninstalling:Ensurethattheconnectorsareattachedfirmly.

RemovalstepsoftheLCDpanelbrackets

StepScrew(quantity)Color

1

M2×L2.5mm,flat-head,nylon-coated(4)

Torque

Black0.181Nm

(1.85kgf-cm)

Chapter8.RemovingorreplacingaFRU83

3020Camera/microphoneboardandproximitysensorboard

Foraccess,removetheseFRUsinorder:

•“1010Bottomcover”onpage60

•“1020Battery”onpage61

•“1030M.2solid-statedrive”onpage63

•“1040WirelessLANcard”onpage64

•“1050Memorymodule”onpage64

•“1060Coin-cellbattery”onpage65

•“1070Keyboard”onpage65

•“1080Keyboardbezelassemblyandmedia-card-readerboard”onpage67

•“1090Systemboardassembly,dc-inconnector,andthermalfan”onpage70

•“1100LCDunit”onpage74

•“3010LCDpanelassembly,LCDcable,andLCDpanelbrackets”onpage81

8411e4thGenandY oga11e4thGenHardwareMaintenanceManual

Removalstepsofthecamera/microphoneboard

Wheninstalling:Ensurethattheconnectorisattachedfirmly.

Removalstepsoftheproximitysensorboard

Chapter8.RemovingorreplacingaFRU85

Wheninstalling:T akethetwosidesofthesensorboard,andthenpushitintothehookfromtheright
sidetotheleftside
thattheconnectorisattachedfirmly.

Note:Donotpressthesurfaceofthesensorboard.

1.Thentakethetwosidesofthesensorboardandpressitintothehook2.Ensure

3030Hinges

Foraccess,removetheseFRUsinorder:

•“1010Bottomcover”onpage60

•“1020Battery”onpage61

•“1030M.2solid-statedrive”onpage63

•“1040WirelessLANcard”onpage64

•“1050Memorymodule”onpage64

•“1060Coin-cellbattery”onpage65

•“1070Keyboard”onpage65

•“1080Keyboardbezelassemblyandmedia-card-readerboard”onpage67

•“1090Systemboardassembly,dc-inconnector,andthermalfan”onpage70

•“1100LCDunit”onpage74

•“3010LCDpanelassembly,LCDcable,andLCDpanelbrackets”onpage81“3020Camera/microphone
boardandproximitysensorboard”onpage84

8611e4thGenandY oga11e4thGenHardwareMaintenanceManual

Removalstepsofthehinges

StepScrew(quantity)Color

1

M2.5×L3.5mm,flat-head,nylon-coated(6)

Torque

Black0.294Nm

(3.0kgf-cm)

Chapter8.RemovingorreplacingaFRU87

8811e4thGenandY oga11e4thGenHardwareMaintenanceManual

AppendixA.Notices

Lenovomaynotoffertheproducts,services,orfeaturesdiscussedinthisdocumentinallcountries.Consult
yourlocalLenovorepresentativeforinformationontheproductsandservicescurrentlyavailableinyour
area.AnyreferencetoaLenovoproduct,program,orserviceisnotintendedtostateorimplythatonlythat
Lenovoproduct,program,orservicemaybeused.Anyfunctionallyequivalentproduct,program,orservice
thatdoesnotinfringeanyLenovointellectualpropertyrightmaybeusedinstead.However,itistheuser’s
responsibilitytoevaluateandverifytheoperationofanyotherproduct,program,orservice.

Lenovomayhavepatentsorpendingpatentapplicationscoveringsubjectmatterdescribedinthis
document.Thefurnishingofthisdocumentdoesnotgiveyouanylicensetothesepatents.Y oucansend
licenseinquiries,inwriting,to:

Lenovo(UnitedStates),Inc.
1009ThinkPlace-BuildingOne
Morrisville,NC27560
U.S.A.
Attention:LenovoDirectorofLicensing

LENOVOPROVIDESTHISPUBLICA TION“ASIS”WITHOUTWARRANTYOFANYKIND,EITHEREXPRESS
ORIMPLIED,INCLUDING,BUTNOTLIMITEDTO,THEIMPLIEDWARRANTIESOFNON-INFRINGEMENT ,
MERCHANTABILITYORFITNESSFORAP ARTICULARPURPOSE.Somejurisdictionsdonotallow
disclaimerofexpressorimpliedwarrantiesincertaintransactions,therefore,thisstatementmaynotapply
toyou.

Thisinformationcouldincludetechnicalinaccuraciesortypographicalerrors.Changesareperiodically
madetotheinformationherein;thesechangeswillbeincorporatedinneweditionsofthepublication.
Lenovomaymakeimprovementsand/orchangesintheproduct(s)and/ortheprogram(s)describedinthis
publicationatanytimewithoutnotice.

Theproductsdescribedinthisdocumentarenotintendedforuseinimplantationorotherlifesupport
applicationswheremalfunctionmayresultininjuryordeathtopersons.Theinformationcontainedinthis
documentdoesnotaffectorchangeLenovoproductspecificationsorwarranties.Nothinginthisdocument
shalloperateasanexpressorimpliedlicenseorindemnityundertheintellectualpropertyrightsofLenovo
orthirdparties.Allinformationcontainedinthisdocumentwasobtainedinspecificenvironmentsandis
presentedasanillustration.Theresultobtainedinotheroperatingenvironmentsmayvary.

Lenovomayuseordistributeanyoftheinformationyousupplyinanywayitbelievesappropriatewithout
incurringanyobligationtoyou.

Anyreferencesinthispublicationtonon-LenovoWebsitesareprovidedforconvenienceonlyanddonotin
anymannerserveasanendorsementofthoseWebsites.ThematerialsatthoseWebsitesarenotpartof
thematerialsforthisLenovoproduct,anduseofthoseWebsitesisatyourownrisk.

Anyperformancedatacontainedhereinwasdeterminedinacontrolledenvironment.Therefore,theresult
obtainedinotheroperatingenvironmentsmayvarysignificantly.Somemeasurementsmayhavebeen
madeondevelopment-levelsystemsandthereisnoguaranteethatthesemeasurementswillbethesame
ongenerallyavailablesystems.Furthermore,somemeasurementsmayhavebeenestimatedthrough
extrapolation.Actualresultsmayvary.Usersofthisdocumentshouldverifytheapplicabledatafortheir
specificenvironment.

©CopyrightLenovo2016,2017

89

Electronicemissionsnotices

ForelectronicemissioninformationonClassBdigitaldevices,refertothecorrespondinginformationin
theUserGuide.

Trademarks

ThefollowingtermsaretrademarksofLenovointheUnitedStates,othercountriesorboth:

Lenovo
ThinkPad
Yoga

MicrosoftandWindowsaretrademarksoftheMicrosoftgroupofcompanies.

ThetermsHDMIandHDMIHigh-DefinitionMultimediaInterfacearetrademarksorregisteredtrademarksof
HDMILicensingLLCintheUnitedStatesandothercountries.

Othercompany,product,orservicenamesmaybethetrademarksorservicemarksofothers.

9011e4thGenandY oga11e4thGenHardwareMaintenanceManual

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