Lenovo K4350 User Manual

HardwareMaintenanceManual

LenovoZhaoYangK4350andK4350A

Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadthegeneralinformation

underAppendixA“Notices”onpage73

.

FirstEdition(April2013)

©CopyrightLenovo2013.

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

Contents

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

Chapter1.Safetyinformation......1

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

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

Safetyinspectionguide............3

Handlingdevicesthataresensitivetoelectrostatic

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

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

Safetynotices(multilingualtranslations)......4

Chapter2.Generalcheckout.....21

Whattodorst..............21

Powersystemcheckout...........22

Checkingtheacpoweradapter......22

Checkingoperationalcharging......23

Checkingthebatterypack........23

Chapter3.Importantservice

information..............25

Recoveringthecomputersettings.......25

Usingpasswords..............25

Powermanagement............26

Screenblankmode...........26

Sleepmode..............26

Hibernationmode...........27

Chapter4.Statusindicators.....29

Chapter5.Fnkeycombinations...31

Chapter6.Locations.........33

Locatingcomputercontrols,connectors,and

indicators.................33

Frontview...............33

Bottomview..............34

LocatingFRUsandCRUs..........34

MajorFRUsandCRUs..........35

LCDFRUsandCRUs..........36

LookingupFRUinformation.........37

Chapter7.FRUreplacement

notices................39

ImportantnoticeforreplacingFRUs......39

Screwnotices...............40

Chapter8.Removingorreplacinga

FRU..................41

Generalguidelines.............41

1010Batterypack.............42

1020Bottomslotcover...........42

1030Memorymodules...........43

1040Harddiskdriveassembly........45

1050PCIExpressMiniCardforwirelessLAN..46

1060mSAT Asolid-statedrive.........47

1070Backupbattery............48

1080Keyboard..............49

1090Keyboardbezel............51

1110Fingerprintboardbracketandngerprint

boardwithcable..............54

1120Powerboard.............55

1130Mediacardreaderslotboard.......55

1140Systemboardassembly.........57

1150Thermalmoduleassembly........60

1160Speakers,LCDunitandbasecover....62

1170DC-inconnector............66

2010LCDfrontbezel............67

2020Cameraandmicrophoneboard......67

2030LCDpanel,LCDcable,andhinges....68

2040AntennaassemblyandLCDrearcover...70

AppendixA.Notices..........73

Trademarks................74

©CopyrightLenovo2013

i

iiHardwareMaintenanceManual

Aboutthismanual

ThismanualprovidesserviceandreferenceinformationforthefollowingLenovo

Machine

LenovoZhaoYangK4350andK4350A20228

MachineType(MT)

®

products.

Thismanualprovidesinformationaboutthecomputerfeatures,specications,componentlocations,
hardwarereplacementprocedures,andpartslisting.Thismanualalsoincludessafetyguidelinesand
importantnoticesforservicingthecomputer.

Important:

•ThismanualisintendedonlyfortrainedservicetechnicianswhoarefamiliarwithLenovoproducts.Use
thismanualtotroubleshootproblemseffectively.

•BeforeservicingaLenovoproduct,ensurethatyoureadalltheinformationinChapter1“Safety
information”onpage1

andChapter3“Importantserviceinformation”onpage25.

©CopyrightLenovo2013

iii

ivHardwareMaintenanceManual

Chapter1.Safetyinformation

Thischapterpresentsthefollowingsafetyinformationthatyouneedtobefamiliarwithbeforeyouservicea
Lenovonotebookcomputer.

•“Generalsafety”onpage1

•“Electricalsafety”onpage1

•“Safetyinspectionguide”onpage3

•“Handlingdevicesthataresensitivetoelectrostaticdischarge”onpage3

•“Groundingrequirements”onpage4

•“Safetynotices(multilingualtranslations)”onpage4

Generalsafety

Followtheserulestoensuregeneralsafety:

•Observegoodhousekeepingintheareaofthemachinesduringandaftermaintenance.

•Whenliftinganyheavyobject:

1.Makesurethatyoucanstandsafelywithoutslipping.

2.Distributetheweightoftheobjectequallybetweenyourfeet.

3.Useaslowliftingforce.Nevermovesuddenlyortwistwhenyouattempttolift.

4.Liftbystandingorbypushingupwithyourlegmuscles;thisactionremovesthestrainfromthe
musclesinyourback.Donotattempttoliftanyobjectthatweighsmorethan16kg(35lb)orthatyou
thinkistooheavyforyou.

•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,becausemetal
objectsaregoodelectricalconductors.

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

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

•Reinstallallcoverscorrectlybeforereturningthemachinetothecustomer.

•Fanlouversonthemachinehelptopreventoverheatingofinternalcomponents.Donotobstructfan
louversorcoverthemwithlabelsorstickers.

Electricalsafety

Observethefollowingruleswhenworkingonelectricalequipment.

©CopyrightLenovo2013

1

Important:

Useonlyapprovedtoolsandtestequipment.Somehandtoolshavehandlescoveredwithasoftmaterial
thatdoesnotinsulateyouwhenworkingwithliveelectricalcurrents.
Manycustomershave,neartheirequipment,rubberoormatsthatcontainsmallconductivebersto
decreaseelectrostaticdischarges.Donotusethistypeofmattoprotectyourselffromelectricalshock.

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

•Donotworkaloneunderhazardousconditionsornearequipmentthathashazardousvoltages.

•Disconnectallpowerbefore:
–Performingamechanicalinspection
–Workingnearpowersupplies
–Removingorinstallingmainunits

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

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

Attention:Anotherpersonmustbetheretoswitchoffthepower,ifnecessary.

–Useonlyonehandwhenworkingwithpowered-onelectricalequipment;keeptheotherhandinyour

pocketorbehindyourback.

Attention:Anelectricalshockcanoccuronlywhenthereisacompletecircuit.Byobservingtheabove
rule,youmaypreventacurrentfrompassingthroughyourbody.

–Whenusingtesters,setthecontrolscorrectlyandusetheapprovedprobeleadsandaccessoriesfor

thattester.

–Standonsuitablerubbermats(obtainedlocally,ifnecessary)toinsulateyoufromgroundssuchas

metaloorstripsandmachineframes.
Observethespecialsafetyprecautionswhenyouworkwithveryhighvoltages;Instructionsforthese
precautionsareinthesafetysectionsofmaintenanceinformation.Useextremecarewhenmeasuring
highvoltages.

•Regularlyinspectandmaintainyourelectricalhandtoolsforsafeoperationalcondition.

•Donotusewornorbrokentoolsandtesters.

•Neverassumethatpowerhasbeendisconnectedfromacircuit.First,checkthatithasbeenpoweredoff.

•Alwayslookcarefullyforpossiblehazardsinyourworkarea.Examplesofthesehazardsaremoistoors,
nongroundedpowerextensioncables,powersurges,andmissingsafetygrounds.

•Donottouchliveelectricalcircuitswiththereectivesurfaceofaplasticdentalmirror.Thesurfaceis
conductive;suchtouchingcancausepersonalinjuryandmachinedamage.

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

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

2HardwareMaintenanceManual

Safetyinspectionguide

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

Ifanyunsafeconditionsarepresent,youmustdeterminehowserioustheapparenthazardcouldbeand
whetheryoucancontinuewithoutrstcorrectingtheproblem.

Considertheseconditionsandthesafetyhazardstheypresent:

•Electricalhazards,especiallyprimarypower(primaryvoltageontheframecancauseseriousorfatal
electricalshock)

•Explosivehazards,suchasadamagedCRTfaceorabulgingcapacitor

•Mechanicalhazards,suchaslooseormissinghardware

Todeterminewhetherthereareanypotentiallyunsafeconditions,usethefollowingchecklistatthebeginning
ofeveryservicetask.Beginthecheckswiththepoweroff,andthepowercorddisconnected.

Checklist:

1.Checkexteriorcoversfordamage(loose,broken,orsharpedges).

2.Poweroffthecomputer.Disconnectthepowercord.

3.Checkthepowercordfor:

a.Athird-wiregroundconnectoringoodcondition.Useametertomeasurethird-wireground

continuityfor0.1ohmorlessbetweentheexternalgroundpinandtheframeground.

b.Thepowercordshouldbethetypespeciedinthepartslist.

c.Insulationmustnotbefrayedorworn.

4.Checkforcrackedorbulgingbatteries.

5.Removethecover.

6.Checkforanyobviousnon-Lenovoalterations.Usegoodjudgmentastothesafetyofanynon-Lenovo
alterations.

7.Checkinsidetheunitforanyobviousunsafeconditions,suchasmetallings,contamination,wateror
otherliquids,orsignsofreorsmokedamage.

8.Checkforworn,frayed,orpinchedcables.

9.Checkthatthepower-supplycoverfasteners(screwsorrivets)havenotbeenremovedortamperedwith.

Handlingdevicesthataresensitivetoelectrostaticdischarge

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

Notes:

1.Useproduct-specicESDprocedureswhentheyexceedtherequirementsnotedhere.

2.MakesurethattheESDprotectivedevicesyouusehavebeencertied(ISO9000)asfullyeffective.

WhenhandlingESD-sensitiveparts:

Chapter1.Safetyinformation3

•Keepthepartsinprotectivepackagesuntiltheyareinsertedintotheproduct.

•Avoidcontactwithotherpeople.

•Wearagroundedwriststrapagainstyourskintoeliminatestaticonyourbody.

•Preventthepartfromtouchingyourclothing.Mostclothingisinsulativeandretainsachargeevenwhen
youarewearingawriststrap.

•Useagroundedworkmattoprovideastatic-freeworksurface.Thematisespeciallyusefulwhen
handlingESD-sensitivedevices.

•Selectagroundingsystem,suchasthoselistedbelow,toprovideprotectionthatmeetsthespecic
servicerequirement.

Note:TheuseofagroundingsystemtoguardagainstESDdamageisdesirablebutnotnecessary.

–AttachtheESDgroundcliptoanyframeground,groundbraid,orgreen-wireground.

–Whenworkingonadouble-insulatedorbattery-operatedsystem,useanESDcommongroundor

referencepoint.Y oucanusecoaxorconnector-outsideshellsonthesesystems.

–Usetheroundgroundprongoftheacplugonac-operatedcomputers.

Groundingrequirements

Electricalgroundingofthecomputerisrequiredforoperatorsafetyandcorrectsystemfunction.Proper
groundingoftheelectricaloutletcanbeveriedbyacertiedelectrician.

Safetynotices(multilingualtranslations)

Thesafetynoticesinthissectionareprovidedinthefollowinglanguages:

•English

•Arabic

•BrazilianPortuguese

•French

•German

•Hebrew

•Japanese

•Korean

•Spanish

•T raditionalChinese

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20HardwareMaintenanceManual

Chapter2.Generalcheckout

Thischaptercontainsthefollowingtopics:

•“Whattodorst”onpage21

•“Powersystemcheckout”onpage22

Beforeyougotothecheckoutinstructions,ensurethatyoureadthefollowingimportantnotes.

Importantnotes:

•Onlycertiedtrainedpersonnelshouldservicethecomputer.

•BeforereplacinganyFRU,readtheentirepageonremovingandreplacingFRUs.

•WhenyoureplaceFRUs,itisrecommendedtousenewnylon-coatedscrews.

•Beextremelycarefulduringsuchwriteoperationsascopying,saving,orformatting.Drivesinthecomputer
thatyouareservicingsequencemighthavebeenaltered.Ifyouselectanincorrectdrive,dataorprograms
mightbeoverwritten.

•ReplaceaFRUonlywithanotherFRUofthecorrectmodel.WhenyoureplaceaFRU,makesurethatthemodel
ofthemachineandtheFRUpartnumberarecorrectbyreferringtotheFRUpartslist.

•AFRUshouldnotbereplacedbecauseofasingle,unreproduciblefailure.Singlefailurescanoccurfora
varietyofreasonsthathavenothingtodowithahardwaredefect,suchascosmicradiation,electrostaticdischarge,
orsoftwareerrors.ConsiderreplacingaFRUonlywhenaproblemrecurs.IfyoususpectthataFRUisdefective,
cleartheerrorlogandrunthetestagain.Iftheerrordoesnotrecur,donotreplacetheFRU.

•BecarefulnottoreplaceanondefectiveFRU.

Whattodorst

WhenyoudoreturnaFRU,youmustincludethefollowinginformationinthepartsexchangeformor
partsreturnformthatyouattachtoit:

•Nameandphonenumberoftheservicetechnician

•Dateofservice

•Dateonwhichthemachinefailed

•Dateofpurchase

•ProcedureindexandnumberofthepageonwhichthefailingFRUwasdetected

•NameandpartnumberofthefailingFRU

•Machinetype,modelnumber,andserialnumber

•Nameandaddressofthecustomer

Note:Duringthewarrantyperiod,thecustomermayberesponsibleforrepaircostsifthecomputerdamage
wascausedbymisuse,accident,modication,unsuitablephysicaloroperatingenvironment,orimproper
maintenancebythecustomer.Followingisalistofsomecommonitemsthatarenotcoveredunderwarranty
andsomesymptomsthatmightindicatethatthesystemwassubjectedtostressbeyondnormaluse.

Beforecheckingproblemswiththecomputer,determinewhetherthedamageiscoveredunderthewarranty
byreferringtothefollowinglist:

Thefollowingarenotcoveredunderwarranty:

•LCDpanelcrackedfromtheapplicationofexcessiveforceorfrombeingdropped

•Scratched(cosmetic)parts

•Distortion,deformation,ordiscolorationofthecosmeticparts

•Plasticparts,latches,pins,orconnectorsthathavebeencrackedorbrokenbyexcessiveforce

•Damagecausedbytheliquidspilledintothecomputer

•DamagecausedbytheimproperinsertionofaPCcardortheinstallationofanincompatiblecard

©CopyrightLenovo2013

21

•Improperdiscinsertionoruseofanopticaldrive

(20V)

1

3

2

•Diskettedrivedamagecausedbypressureonthediskettedrivecover,foreignmaterialinthedrive,
ortheinsertionofadiskettewithmultiplelabels

•Damagedorbentdisketteejectbutton

•Fusesblownbyattachmentofanunsupporteddevice

•Forgottencomputerpassword(makingthecomputerunusable)

•Stickykeyscausedbyspillingliquidontothekeyboard

•Useofanincorrectacpoweradapteronnotebookcomputers

Thefollowingsymptomsmightindicatedamagecausedbynonwarrantedactivities:

•Missingpartsmightbeasymptomofunauthorizedserviceormodication.

•Ifthespindleofaharddiskdrivebecomesnoisy,itmayhavebeensubjectedtoexcessiveforce,
ordropped.

Powersystemcheckout

Toverifyapowersymptom,dothefollowing:

1.T urnoffthecomputer.

2.Removethebatterypack.

3.Connecttheacpoweradapter.

4.Checkthatpowerissuppliedwhenyouturnonthecomputer.

5.T urnoffthecomputer.

6.Disconnecttheacpoweradapterandinstallthechargedbatterypack.

7.Checkthatthebatterypacksuppliespowerwhenyouturnonthecomputer.

Ifyoususpectapowerproblem,refertothefollowingtopicsforacheckout:

•“Checkingtheacpoweradapter”onpage22

•“Checkingoperationalcharging”onpage23

•“Checkingthebatterypack”onpage23

Checkingtheacpoweradapter

Ifthecomputerfailsonlywhentheacpoweradapterisused,refertotheinformationinthistopictocheck
theacpoweradapter.

•Ifthepower-onindicatordoesnotturnon,checkthepowercordoftheacpoweradapterforcorrect
continuityandinstallation.

•Ifthecomputerdoesnotchargeduringoperation,goto“Checkingoperationalcharging”onpage23

Tochecktheacpoweradapter,dothefollowing:

1.Unplugtheacpoweradaptercablefromthecomputer.

2.Measuretheoutputvoltageacrosstheplugoftheacpoweradaptercable.Thecorrectvoltagesare
showninthefollowingtable.

Pin

1+20

20

3

Voltage(Vdc)

Ground

.

Note:Theoutputvoltageacrosspin2mightdifferfromthevoltagethatyoumeasure.

3.Dependingonthevoltagethatyoumeasure,dooneofthefollowing:

•Ifthevoltageisnotcorrect,replacetheacpoweradapter.

22HardwareMaintenanceManual

•Ifthevoltageisacceptable,dothefollowing:

1(+)

2(+)

5

4

3

6(-)

7(-)

a.Replacethesystemboard.
b.Iftheproblempersists,calltheCustomerSupportCenter.

Note:Noisefromtheacpoweradapterdoesnotalwaysindicateadefect.

Checkingoperationalcharging

Tocheckwhetherthebatterypackchargesproperlyduringoperation,dothefollowing:

Note:Beforeyoubegin,installadischargedbatterypackorabatterypackthathaslessthan50%ofthe
totalpowerremaininginthecomputer.

1.Ifthebatterystatusindicatordoesnotturnon,removethebatterypackandletitreturntoroom
temperature.

2.Reinstallthebatterypack.

3.Iftheindicatorstilldoesnotturnon,replacethebatterypack.

4.Iftheindicatorstilldoesnotturnon,replacethesystemboard.Otherwise,referto“Checkingthebattery
pack”onpage23tochecktheoriginalbatterypack.

Checkingthebatterypack

ThebatterystatusiconintheMicrosoft

®

Windows

powerremaining.

TocheckdetailedbatterystatusinformationontheWindowsoperatingsystems,dothefollowing:

®

noticationareadisplaysthepercentageofbattery

•Windows7:LaunchthePowerManagerprogramandclicktheBatterytab.

•Windows8:Dooneofthefollowing:

–ClickStart➙LenovoSolutionCenter➙System➙Battery.

–LaunchtheLenovoSettingsprogramfromtheStartscreen,andthenclickPower.

Tocheckthebatterypack,dothefollowing:

1.T urnoffthecomputeranddisconnecttheacpoweradapter.

2.Removethebatterypackandmeasurethevoltagebetweenbatteryterminals1(+)and7(-).The
correctvoltagesareshowninthefollowingtable.

Terminal

1+0to+14

7

Voltage(Vdc)

Ground(-)

3.Measuretheresistancebetweenbatteryterminals5and7.Theresistanceshouldbe4to30KΩ.Ifthe
resistanceisnotcorrect,replacethebatterypack.

4.Dependingonthevoltagethatyoumeasure,dooneofthefollowing:

•Ifthevoltageislessthan+12.0Vdc,rechargethebatterypack.Ifthevoltagestillislessthan+12.0V

dcafterrecharging,replacethebatterypack.

Chapter2.Generalcheckout23

•Ifthevoltageismorethan+12.0Vdc,dischargethebatterypackuntilthevoltagebecomesless
than+12.0Vdcandthenrechargethebatterypack.Ifthevoltagestillislessthan+12.0Vdcafter
recharging,replacethebatterypack.

Note:Rechargingwilltakeatleastthreehours,evenifthebatterystatusindicatordoesnotturnon.

5.Replacethesystemboardifthenewbatterypackisnotcharged.

24HardwareMaintenanceManual

Chapter3.Importantserviceinformation

Thischapterpresentsthefollowinginformation:

•“Recoveringthecomputersettings”onpage25

•“Usingpasswords”onpage25

•“Powermanagement”onpage26

Recoveringthecomputersettings

Thistopicprovidesinformationabouttherecoveryprogramsthatareavailableforyoutorecoverthe
computersettings.

•Windows7:ThefollowingrecoveryprogramsareavailableoncomputerswithaWindows7operating
system:

–OneKey

TheOneKeyRecoveryProprogramenablesyoutobackupallyourharddiskdrivecontents,including
theoperatingsystem,datales,softwareprograms,andpersonalsettings.Y oucandesignatewhere
theOneKeyRecoveryProprogramstoresthebackup.Afteryouhavebackedupthecontentsonthe
harddiskdrive,youcanrestorethecompletecontentsoftheharddiskdrive,restoreonlythedesired
les,orrestoreonlytheWindowsoperatingsystemandapplications.

–ProductRecovery

TheProductRecoveryprogramenablesyoutorestorethecomputersettingstothefactorydefault
settingsthroughrecoverymedia.

®

RecoveryPro

Attention:WhenyouusetheProductRecoveryprogramtorestorethecomputersettings,allthedata
youhavestoredontheharddiskdrivewillbedeletedandthecomputersettingswillberestoredtothe
factorydefaultsettings.Duringtherestoringprocess,youwillbegiventheoptiontosaveoneormore
lescurrentlyontheharddiskdrivetoothermediabeforethedataisdeleted.

•Windows8:ThepreinstalledWindowsrecoveryprogramenablesyoutodothefollowing:

–Refreshingthecomputerwithoutlosingpersonalles

–Restoringthecomputertothefactorydefaultsettings

Attention:WhenyouusetheWindowsrecoveryprogramtorestorethecomputersettings,allthedata
youhavestoredontheharddiskdrivewillbedeletedandthecomputerwillberestoredtothefactory
defaultsettings.Toavoiddataloss,backupyourdatainadvance.

–Conguringtheadvancedstartupoptions

Theadvancedstartupoptionsenableyoutodothefollowing:

–ChangingthestartupsettingsoftheWindowsoperatingsystem

–RestoringtheWindowsoperatingsystemfromasystemimage

–Startingupfromanexternaldevice

Formoreinformationabouttherecoverysolutions,refertothehelpinformationsystemoftheprograms.

Usingpasswords

Youcansetthefollowingtypesofpasswordstoprotectunauthorizedaccesstoyourcomputer.

©CopyrightLenovo2013

25

Attention:Ifyouforgetthepassword,thereisnoserviceproceduretoresetthepassword.Thesystem

boardmustbereplacedforascheduledfee.

•Power-onpassword:Apower-onpasswordprotectsthecomputerfrombeingturnedonbyan
unauthorizedperson.Ifapower-onpasswordhasbeenset,theusermustenterthepasswordbefore
startingtheoperatingsystem.

•Supervisorpassword:AsupervisorpasswordprotectsthesysteminformationstoredintheBIOS
program.TheusermustenterthesupervisorpasswordtogetaccesstotheBIOSprogramandchange
systemcongurations.

Ifyouhavesetapassword,youwillbepromptedtoenterthepasswordwheneveryouturnonthecomputer.

Powermanagement

Therearethreepowermanagementmodestoreducepowerconsumption:screenblank,sleep,and
hibernation.

Screenblankmode

Inthefollowingcircumstances,thecomputerentersscreenblankmode:

•Thetimesetonthe“T urnoffmonitor”timerontheWindows7operatingsystemexpires.

Toendscreenblankmodeandresumenormaloperation,pressanykey.

•Y ouhavepressedFn+F2.

Toendscreenblankmodeandresumenormaloperation,pressFn+F2.

Sleepmode

Whenthecomputerenterssleepmode,thefollowingeventsoccurinadditiontowhatoccursinscreen
blankmode:

•TheLCDispoweredoff.

•Theharddiskdriveispoweredoff.

•Themicroprocessorstops.

Toentersleepmode,pressFn+F1.

Incertaincircumstances,thecomputerautomaticallyenterssleepmode:

•A“suspendtime”hasbeensetonthetimer,andtheuserdoesnotdoanyoperationwiththekeyboard,
theharddiskdrive,theparallelconnector,orthediskettedrivewithinthattime.

•Thebatterystatusindicatorblinksorange,indicatingthatthebatterypowerislow.

Tocausethecomputertoreturnfromsleepmodeandresumetheoperation,dooneofthefollowing:

•PresstheFnkey.

•OpentheLCDcover.

•Pressthepowerbutton.

Also,whenthetimesetontheresumetimerelapses,thecomputerautomaticallyreturnsfromsleepmode
andresumesoperation.

Note:Thecomputerdoesnotacceptanyinputimmediatelyafteritenterssleepmode.Waitafewseconds
beforetakinganyactionstoreenteroperationmode.

26HardwareMaintenanceManual

Hibernationmode

Inhibernationmode,thefollowingoccurs:

•Thesystemstatus,RAM,VRAM,andsetupdataarestoredontheharddiskdrive.

•Thesystemispoweredoff.

Ifyouhavedenedoneofthefollowingactionsastheeventthatcausesthecomputertoenterhibernation
mode,performthataction.

•Closingthelid

•Pressingthepowerbutton

Also,thecomputerautomaticallyentershibernationmodeineitherofthefollowingcircumstances:

•A“hibernationtime”hasbeensetonthetimer,andtheuserdoesnotdoanyoperationwiththekeyboard,
theharddiskdrive,theparallelconnector,orthediskettedrivewithinthattime.

•Thetimerconditionsaresatisedinsuspendmode.

Whenthepoweristurnedon,thecomputerreturnsfromhibernationmodeandresumesoperation.The
hibernationleinthebootrecordontheharddiskdriveisread,andthesystemstatusisrestoredfromthe
harddiskdrive.

Chapter3.Importantserviceinformation27

28HardwareMaintenanceManual

Chapter4.Statusindicators

123

Thistopicpresentsthesystemstatusindicatorsthatshowthestatusofthecomputer.

Table1.Statusindicators

IndicatorMeaning

1

2

3

ActiveProtection
System
statusindicator

Deviceaccess
statusindicator

Batterystatus
indicator

™

(APS)

•White:TheActiveProtectionSystemprogramisenabled.

•Off:TheActiveProtectionSystemprogramisdisabled.

Green:Theharddiskdriveisreadingorwritingdata.

Attention:

•Whentheindicatorison,donotputthecomputerintosleepmodeorturnoffthe
computer.

•Whentheindicatorison,donotmovethecomputer .Suddenphysicalshockmight
causedriveerrors.

•Solidgreen:Thebatterychargelevelisbetween80%and100%,orthebattery
dischargelevelisbetween20%and100%.

•Slow-blinkinggreen:Thebatterychargelevelisbetween20%and80%,and
chargingiscontinuing.Whenthebatterychargelevelreaches80%,thebatterystatus
indicatorstopsblinking,butthechargingmightcontinueuntilthebatteryis100%
charged.

•Slow-blinkingorange:Thebatterychargelevelisbetween5%and20%,andthe
chargingiscontinuing.

•Solidorange:Thebatterydischargelevelisbetween5%and20%.

•Fast-blinkingorange:Thebatterychargeordischargelevelis5%orless.

•Off:Thebatteryisdetachedorthecomputerispoweredoff.

©CopyrightLenovo2013

29

30HardwareMaintenanceManual

Chapter5.Fnkeycombinations

ThefollowingtabledescribesthefunctionsofFnkeycombinations.

Table2.Functionkeycombinations

KeycombinationDescription

Fn+EscEnablesordisablesthekeyboardlight.

Fn+F1Putsthecomputerintosleepmode.Toresumenormaloperation,press

theFnkeyonly.

Fn+F2

Fn+F3

Fn+F4

Fn+F5

Fn+F6Mutesorunmutesthespeakers.

Fn+F7Mutesorunmutesthemicrophones.

Fn+F8

Fn+F9

Fn+F10

Fn+F11

Fn+F12

Fn+PgUp

Fn+PrtScHasthesamefunctionastheSysRqkeyonaconventionalkeyboard.

Fn+PgDn

Fn+Insert

Fn+up/downarrow

Fn+left/rightarrow

Enablesordisablesthebacklightfeatureofthecomputerscreen.

Switchesbetweenthecomputerdisplayandanexternalmonitor.
Note:Y oualsocanusetheWindows+Pcombinationtoswitchbetweenthe
computerdisplayandanexternalmonitor.

•Windows7:Changesthecameraandaudiosettings.

•Windows8:Turnsonorturnsoffthecamera.

Enablesordisablesthebuilt-inwirelessnetworkingfeatures.

Enablesordisablesthetouchpadfunction.

Multimediacontrol:Start/Pause

Multimediacontrol:Stop

Multimediacontrol:Skiptotheprevioustrack

Multimediacontrol:Skiptothenexttrack

HasthesamefunctionastheHomekeyonaconventionalkeyboard.

HasthesamefunctionastheEndkeyonaconventionalkeyboard.

HasthesamefunctionastheNumericLockkeyonaconventionalkeyboard.

Increasesordecreasesthedisplaybrightnesslevel.

Decreasesorincreasesthesoundvolume.

©CopyrightLenovo2013

31

32HardwareMaintenanceManual

Chapter6.Locations

1

2

3

3

4

5

6

7

6

8

9

10

12

13

11

Thischapterprovidesinformationaboutcomponentlocations.

Locatingcomputercontrols,connectors,andindicators

Thistopicintroducesthelocationsofthecomputercontrols,connectors,andindicators.

Frontview

Figure1.Frontview

1Camera8USB2.0connector

2Keyboardlight9Fingerprintreader

3Microphones10Touchpad

4acpowerconnector

5RJ45Ethernetconnector12Mediacardreaderslot

6USB3.0connectors13Statusindicators

7HDMIconnector

11Touchpadbuttons

Note:Forthedescriptionofeachstatusindicator,seeChapter4“Statusindicators”onpage29.

©CopyrightLenovo2013

33

Bottomview

2

10

1

4

3

4

5

6

7

8

9

Figure2.Bottomview

1Batterylock6Fanlouvers

2Batterypack7Monitorconnector

3Batterylatch

4Speakers9Comboaudiojack

5Security-lockslot

8AlwaysOnUSBconnector

10Bottomslotcover

Note:Thememorymodules,harddiskdrive,andwirelesscardsarelocatedunderneaththebottomslot
cover.

LocatingFRUsandCRUs

Thistopicintroducesthefollowingserviceparts:

•“MajorFRUsandCRUs”onpage35

•“LCDFRUsandCRUs”onpage36

Notes:

•EachFRUisavailableforalltypesormodels,unlessotherwisespecied.

•Acustomerreplaceableunit(CRU)isidentiedbyasingleasterisk(*)ortwoasterisks(**)intheCRUIDcolumn.
Asingleasterisk(*)meansthatthepartisaSelf-serviceCRU;twoasterisks(**)meansthatthepartisan
Optional-serviceCRU.ALetter“N”intheCRUIDcolumnmeansthatthepartisnotaCRU.

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

CRUs,youcaneitherinstalltheCRUyourselforyoucanrequestthataServiceProviderinstalltheCRUaccording
tothewarrantyserviceforyourproduct.IfyouintendoninstallingtheCRU,LenovowillshiptheCRUtoyou.CRU

informationandreplacementinstructionsareshippedwithyourproductandareavailablefromLenovoatanytime
uponrequest.YoucanndalistofCRUsforyourproductinthisHardwareMaintenanceManual.Anelectronic
versionofthismanualcanbefoundathttp://www.lenovo.com/UserManuals.Followtheon-screeninstructionsto
ndthemanualforyourproduct.Y oumightberequiredtoreturnthedefectiveCRU.Whenreturnisrequired:(1)
returninstructions,aprepaidshippinglabel,andacontainerwillbeincludedwiththereplacementCRU;and(2)you
mightbechargedforthereplacementCRUifLenovodoesnotreceivethedefectiveCRUwithinthirty(30)daysof
yourreceiptofthereplacementCRU.SeeyourLenovoLimitedWarrantydocumentationforfulldetails.

LenovocomputerscontainthefollowingtypesofCRUs:

34HardwareMaintenanceManual

–Self-serviceCRUs:TheseCRUsunplugorareheldbynomorethantwoscrews.Examplesofthesetypes

21

22

20

19

17

18

16

15

14

1

2

4

5

6

7

8

9

10

11

12

13

3

ofCRUsincludetheacpoweradapter,powercord,battery,andharddiskdrive.Otherself-serviceCRUs
dependingonproductdesignmightincludethememorymodule,wirelesscard,keyboard,andpalmrest
withngerprintreaderandtouchpad.

–Optional-serviceCRUs:TheseCRUsareisolatedpartswithinthecomputerthatareconcealedbyanaccess

panelthatistypicallysecuredbymorethantwoscrews.Oncetheaccesspanelisremoved,thespecic
CRUisvisible.

MajorFRUsandCRUs

Chapter6.Locations35

Table3.MajorFRUsandCRUs

No.FRUdescription

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

LCDunit

KeyboardbezelwithtouchpadN

FingerprintboardcableN

FingerprintboardN

FingerprintboardbracketN

Systemboard

DC-inconnectorbracket

DC-inconnector

BackupbatteryN

HarddiskdriveN

HarddiskdrivebracketN

BatterypackN

BottomslotcoverN

BasecoverN

WirelessLANcardN

MemorymoduleN

mSATAsolid-statedrive

Speakers

MediacardreaderslotboardN

ThermalmoduleassemblyN

PowerboardwithcableN

KeyboardN

CRUID

N

N

N

N

N

N

LCDFRUsandCRUs

LenovoZhaoYangK4350andK4350Amodelsusea356-mm(14.0-inch),high-denition(HD),light-emitting
diode(LED),liquidcrystaldisplay(LCD).

36HardwareMaintenanceManual

1

2

3

4

6

7

5

Table4.LCDFRUs

No.FRUdescription

1

2

3

4

5

6

LookingupFRUinformation

7

LCDBezel

HingesN

Cameraandmicrophonesboard

LCDcover

AntennasN

LCDcable

LCDpanel

CRUID

N

N

N

N

N

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

Chapter6.Locations37

38HardwareMaintenanceManual

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 oucanndalistofCRUsforyour
productinthisHardwareMaintenanceManual.Anelectronicversionofthismanualcanbefoundat
http://www.lenovo.com/UserManuals.Followtheon-screeninstructionstondthemanualforyourproduct.
YoumightberequiredtoreturnthedefectiveCRU.Whenreturnisrequired:(1)returninstructions,aprepaid
shippinglabel,andacontainerwillbeincludedwiththereplacementCRU;and(2)youmightbechargedfor
thereplacementCRUifLenovodoesnotreceivethedefectiveCRUwithinthirty(30)daysofyourreceiptof
thereplacementCRU.SeeyourLenovoLimitedWarrantydocumentationforfulldetails.

ImportantnoticeforreplacingFRUs

EnsurethatthecomputerhasthelatestBIOSversionanddevicedriversinstalledbeforereplacinganyFRUs.

Afteryoureplaceasystemboard,ensurethatyouinstallthelatestBIOSversiononthenewsystemboard.

Note:BIOSanddevicedriversarecustomer-installable.TheBIOSanddevicedriversareavailableat
http://www.lenovo.com/support.

TodownloadthelatestBIOS,devicedrivers,andothersoftwareprograms,dothefollowing:

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

2.ClickDownloadDrivers&Software.TheWebsiteoffersthreeoptionstobeginyoursearch:

•Searchbyproductnumber

•Searchthroughtheproductauto-detectfunction

•Searchbyproductcategory

3.Followtheinstructionsonthescreenandinstallthenecessarysoftware.

4.Restartthecomputer.

Notes:Y oualsocanimprovethecomputerperformancebyupdatingtheBIOSutilitytothelatestversion
fromtheLenovoSupportWebsitehttp://www.lenovo.com/support.

•Beforeinstallingthelatestutility,makesurethatthebatteryisfullychargedandanacpoweradapteris
connected.

•DonottrytoupdatetheBIOSsettingsforanycomputerunlessyouhavebeentrainedandcertied.An
untrainedpersonrunstheriskofdamagingthecomputer.

•Donotturnofforputyourcomputerintosleeporhibernationuntiltheupdatehasbeencompleted.
Otherwise,thesystemboardmightbedamaged.

WhenyouarereplacingandservicingFRUs,refertothefollowinginstructionstoavoidunnecessaryexpense:

©CopyrightLenovo2013

39

•IfyouareinstructedtoreplaceaFRUbutthereplacementdoesnotsolvetheproblem,reinstallthe
originalFRUbeforeyoucontinue.

•Somecomputershavebothaprocessorboardandasystemboard.Ifyouareinstructedtoreplaceeither
theprocessorboardorthesystemboard,butthereplacementdoesnotsolvetheproblem,reinstallthe
originalboard,andthenreplacetheotherone.

•IfanadapteroradeviceconsistsofmorethanoneFRU,anyoftheFRUsmightbethecauseoftheerror.
Beforereplacingtheadapterordevice,removetheFRUsonebyonetoseeifthesymptomschange.Find
andreplaceonlytheFRUthatchangedthesymptoms.

Screwnotices

TheLenovonotebookcomputerusesspecialnylon-coatedscrewsthathavethefollowingcharacteristics:

•Theymaintaintightconnections.

•Theydonoteasilycomeloose,evenwithshockorvibration.

•Theyarehardertotighten.

Dothefollowingwhenyouareservicingthecomputer:

•Keepthescrewkitinyourtoolbag.

•Itisrecommendedthatyouusenewscrews.

•Itisrecommendedthatyouuseeachscrewonlyonce.

•Useatorquescrewdriverifyouhaveone.

Tightenscrewsasfollows:

•Plastictoplastic

Turnanadditionalangleof90degreesafterthescrewheadtouchesthesurfaceoftheplasticpart.

•Logiccardtoplastic

Turnanadditionalangleof180degreesafterthescrewheadtouchesthesurfaceofthelogiccard.

Notes:

•Ensurethatyouusethecorrectscrew.Itisrecommendedthatyouusenewscrewsforreplacements.If
youhaveatorquescrewdriver,rmlytightenallscrewstothetorquespeciedinthescrewinformation
tableforeachstep.

•Ensurethattorquescrewdriversarecalibratedcorrectlyfollowingcountryspecications.

40HardwareMaintenanceManual

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.Y oucanndalistofCRUsforyour
productinthisHardwareMaintenanceManual.Anelectronicversionofthismanualcanbefoundat
http://www.lenovo.com/UserManuals.Followtheon-screeninstructionstondthemanualforyourproduct.
YoumightberequiredtoreturnthedefectiveCRU.Whenreturnisrequired:(1)returninstructions,aprepaid
shippinglabel,andacontainerwillbeincludedwiththereplacementCRU;and(2)youmightbechargedfor
thereplacementCRUifLenovodoesnotreceivethedefectiveCRUwithinthirty(30)daysofyourreceiptof
thereplacementCRU.SeeyourLenovoLimitedWarrantydocumentationforfulldetails.

Generalguidelines

WhenremovingorreplacingaFRU,ensurethatyouobservethefollowinggeneralguidelines:

1.Donottrytoserviceanycomputerunlessyouhavebeentrainedandcertied.Anuntrainedpersonruns
theriskofdamagingparts.

2.BeforereplacinganyFRU,reviewChapter7“FRUreplacementnotices”onpage39.

3.BeginbyremovinganyFRUsthathavetoberemovedbeforereplacingthefailingFRU.Anysuch
FRUsarelistedatthebeginningofeachFRUreplacementprocedure.Removethemintheorderin
whichtheyarelisted.

4.FollowthecorrectsequenceinthestepsforremovingaFRU,asshownintheillustrationsbythe
numbersinsquarecallouts.

5.Whenturningascrew,turnitinthedirectionasshownbythearrowintheillustration.

6.WhenremovingaFRU,moveitinthedirectionasshownbythearrowintheillustration.

7.T oinstallanewFRUinplace,reversetheremovalprocedureandfollowanynotesthatpertainto
replacement.

8.WhenreplacingaFRU,usethecorrectscrewsasshowninthereplacementprocedure.

DANGER

BeforeremovinganyFRU,turnoffthecomputer,unplugallpowercordsfromelectricaloutlets,
removethebatterypack,andthendisconnectanyinterconnectingcables.

Attention:AfterreplacingaFRU,donotturnonthecomputeruntilyouhaveensuredthatallscrews,springs,

andothersmallpartsareinplaceandnonearelooseinsidethecomputer.Verifythisbyshakingthecomputer
gentlyandlisteningforrattlingsounds.Metallicpartsormetalakescancauseelectricalshortcircuits.

Attention:ThesystemboardissensitivetoandcanbedamagedbyESD.Beforetouchingit,establish
personalgroundingbytouchingagroundpointwithonehandorbyusinganESDstrap(P/N6405959).

©CopyrightLenovo2013

41

1010Batterypack

2

1

2

Removalstepsofthebatterypack

DANGER

Useonlythebatteryspeciedinthepartslistforyourcomputer.Anyotherbatterycouldignite
orexplode.

Unlockthebatterylock1.Holdthebatterylatchintheunlockedposition,andthenremovethebattery
pack2.

Wheninstalling:Installthebatterypackintheslot.Ensurethatthebatterylatchandthebatterylockare
inthelockedpositions.

1020Bottomslotcover

Foraccess,removethisFRU:

•“1010Batterypack”onpage42

42HardwareMaintenanceManual

Removalstepsofthebottomslotcover

2

1

Removethescrew1,andthenremovethebottomslotcover2.

StepScrew(quantity)Color

1

M2×3mm,at-head,nylon-coated(1)

1030Memorymodules

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage42

•“1020Bottomslotcover”onpage42

Torque

Black0.181Nm

(1.85kgf-cm)

Chapter8.RemovingorreplacingaFRU43

Removalstepsofthememorymodules

2

1

1

a b

Releasethetwolatchesonbothedgesofthesocketatthesametime1,andthencarefullyremovethe
memorymodule2.

Wheninstalling:Insertthenotchedendofthememorymoduleintothememoryslotatanangleofabout20
degrees.Pressthememorymodulermly,andpivotitdownwarduntilitsnapsintoplace.Ensurethatthe
memorymoduleisrmlyinstalledintheslotanddoesnotmoveeasily.

Note:Ifonlyonememorymoduleistobeinstalledintothecomputeryouareservicing,thememorymodule
mustbeinstalledinSLOT -0(slot

a),butnotinSLOT -1(slotb).

44HardwareMaintenanceManual

1040Harddiskdriveassembly

2

1

1

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage42

•“1020Bottomslotcover”onpage42

Importantnoticeforreplacingaharddiskdrive

Alwaystrytorunalow-levelformatbeforereplacingaharddiskdrive.Thiswillcauseallcustomerdataonthe
harddiskdrivetobelost.Ensurethatthecustomerhasacurrentbackupofthedatabeforedoingthistask.

Attention:

•Donotdropthedriveorapplyanyphysicalshocktoit.Thedriveissensitivetophysicalshock.Improper
handlingcancausedamageandpermanentlossofdata.

•Beforeremovingthedrive,havetheusermakeabackupcopyofalltheinformationonitifpossible.

•Neverremovethedrivewhilethecomputerisoperatingorinsuspendmode.

•Thedrivestartupsequenceinthecomputeryouareservicingmighthavebeenchanged.Beextremely
carefulduringwriteoperationssuchascopying,saving,orformatting.Ifyouselectanincorrectdrive,
dataorprogramscanbeoverwritten.

Removalstepsoftheharddiskdriveassembly

Removethescrews1,andthenpullthetab2.

StepScrew(quantity)Color

1

M2×3mm,at-head,nylon-coated(2)

Torque

Black0.181Nm

(1.85kgf-cm)

Chapter8.RemovingorreplacingaFRU45

Removetheharddiskdriveassembly.

3

1

1

1

1

2

Wheninstalling:Ensurethattheharddiskdriveconnectorisattachedrmly.

Removalstepsoftheharddiskdrivebracket

Removethescrews1.

StepScrew(quantity)Color

1

M3×2.8mm,at-head,nylon-coated(4)

Black0.392Nm

Torque

(4.0kgf-cm)

Removetheharddiskdrivebracket.

1050PCIExpressMiniCardforwirelessLAN

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage42

•“1020Bottomslotcover”onpage42

46HardwareMaintenanceManual

RemovalstepsofthePCIExpressMiniCardforwirelessLAN

1

1

2

3

Insteps1,unplugtheconnectorsbyusingtheremovaltoolfortheantennaRFconnectororpickupthe
connectorswithyourngersandgentlyunplugthem.Thenremovethescrew2.

StepScrew(quantity)Color

2

M2×3mm,at-head,nylon-coated(1)

Black0.181Nm

Torque

(1.85kgf-cm)

RemovethePCIExpressMiniCardforwirelessLAN.

Wheninstalling:Plugtheblackcableintothemainconnector,andthewhitecableintotheauxiliary
connector.

1060mSAT Asolid-statedrive

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage42

•“1020Bottomslotcover”onpage42

Chapter8.RemovingorreplacingaFRU47

Attention:

1

1

2

•Donotdropthedriveorapplyanyphysicalshocktoit.Thedriveissensitivetophysicalshock.Improper
handlingcancausedamageandpermanentlossofdata.

•Beforeremovingthedrive,havetheusermakeabackupcopyofalltheinformationonitifpossible.

•Neverremovethedrivewhilethecomputerisoperatingorinsuspendmode.

RemovalstepsofthemSAT Asolid-statedrive

Removethescrews1.

StepScrew(quantity)Color

1

M2×3mm,at-head,nylon-coated(2)

RemovethemSATAsolid-statedrive.

1070Backupbattery

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage42

•“1020Bottomslotcover”onpage42

Torque

Black0.181Nm

(1.85kgf-cm)

48HardwareMaintenanceManual

Removalstepsofthebackupbattery

1

1

1

DANGER

Useonlythebatteryspeciedinthepartslistforyourcomputer.Anyotherbatterycouldignite
orexplode.

Carefullyprythebackupbatteryoutusingascrewdriver.

1080Keyboard

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage42

•“1020Bottomslotcover”onpage42

Removalstepsofthekeyboard

Removethescrews1.

Wheninstalling:Ensurethatthescrewsarermlyinstalledandthekeyboardissecured.

StepScrew(quantity)Color

1

M2×6mm,at-head,nylon-coated(3)

Torque

Black0.181Nm

(1.85kgf-cm)

Chapter8.RemovingorreplacingaFRU49

Pushhardtounlatchthekeyboard.

2

2

3

Carefullydetachthekeyboardandthenliftitupuntilyoucanseehowitisconnected.

50HardwareMaintenanceManual

Detachthekeyboardconnector,andthenremovethekeyboard.

4

5

6

Wheninstalling:Ensurethatthekeyboardconnectorisattachedrmly.

1090Keyboardbezel

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage42

•“1020Bottomslotcover”onpage42

•“1080Keyboard”onpage49

Chapter8.RemovingorreplacingaFRU51

Removalstepsofthekeyboardbezel

1

1

1

1

1

2

2

2

1

1

1

1

1

Removethescrews1and2.

StepScrew(quantity)Color

1

2

M2×6mm,at-head,nylon-coated(10)

M2×2.5mm,at-head,nylon-coated(3)

Torque

Black0.181Nm

(1.85kgf-cm)

Black0.181Nm

(1.85kgf-cm)

52HardwareMaintenanceManual

Removethescrews3,andthendetachtheconnectors.

7

6

8

9

4

5

3

3

StepScrew(quantity)Color

3

M2×6mm,at-head,nylon-coated(2)

Wheninstalling:Ensurethatalltheconnectorsareattachedrmly.

Torque

Black0.181Nm

(1.85kgf-cm)

Chapter8.RemovingorreplacingaFRU53

Detachthekeyboardbezelfromtheframe,andthenremovethekeyboardbezel.

10

10

10

11

10

10

10

10

10

10

2

1

1

1110Fingerprintboardbracketandngerprintboardwithcable

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage42

•“1020Bottomslotcover”onpage42

•“1040Harddiskdriveassembly”onpage45

•“1080Keyboard”onpage49

•“1090Keyboardbezel”onpage51

Removalstepsofthengerprintboardbracketandthengerprintboardwithcable

Removethescrews1,andthenremovethengerprintboardbracket2.

StepScrew(quantity)Color

1

M2×3mm,at-head,nylon-coated(2)

Black0.181Nm

Torque

(1.85kgf-cm)

54HardwareMaintenanceManual

Removethengerprintboardwiththengerprintboardcable.

3

2

1

1120Powerboard

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage42

•“1020Bottomslotcover”onpage42

•“1040Harddiskdriveassembly”onpage45

•“1080Keyboard”onpage49

•“1090Keyboardbezel”onpage51

Removalstepsofthepowerboard

Removethescrew1,andthenremovethepowerboard.

StepScrew(quantity)Color

1

M2×3mm,at-head,nylon-coated(1)

Black0.181Nm

Torque

(1.85kgf-cm)

1130Mediacardreaderslotboard

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage42

•“1020Bottomslotcover”onpage42

•“1040Harddiskdriveassembly”onpage45

•“1080Keyboard”onpage49

•“1090Keyboardbezel”onpage51

•“1140Systemboardassembly”onpage57

Chapter8.RemovingorreplacingaFRU55

Removalstepsofthemediacardreaderslotboard

1

3

2

Detachthecables.

Wheninstalling:Ensurethatthecablesareattachedrmly.

56HardwareMaintenanceManual

Removethescrews4,andthenremovethemediacardreaderslotboard.

4

4

4

5

StepScrew(quantity)Color

4

M2×3mm,at-head,nylon-coated(3)

Black0.181Nm

Torque

(1.85kgf-cm)

1140Systemboardassembly

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage42

•“1020Bottomslotcover”onpage42

•“1030Memorymodules”onpage43

•“1040Harddiskdriveassembly”onpage45

•“1050PCIExpressMiniCardforwirelessLAN”onpage46

•“1060mSATAsolid-statedrive”onpage47

•“1070Backupbattery”onpage48

•“1080Keyboard”onpage49

•“1090Keyboardbezel”onpage51

Importantnoticeforreplacingthesystemboard

Whenreplacingthesystemboard,observethefollowingguidelines:

•Donotdropasystemboardonabenchtopthathasahardsurface,suchasmetal,wood,orcomposite.

•Donotapplyanyexcessiveforcetoasystemboard.

•Avoidroughhandlingofanykind.

•AvoidbendingasystemboardorhardpushingtopreventcrackingateachBallGridArray(BGA)chipset.

•Whenyouputasystemboarddown,besuretoputitonlyonapaddedsurfacesuchasanESDmat
oracorrugatedconductivesurface.

Chapter8.RemovingorreplacingaFRU57

Locatingmajorsensitivecomponentsonthesystemboard

a

b

a

b

c

Attention:Thefollowingcomponentsmountedonasystemboardareextremelysensitive.Improper
handlingofasystemboardcancausedamagetothefollowingcomponents,andmightcauseasystem
malfunction.Whenyouservicethesystemboard,avoidanykindofroughhandling.

aGraphicschip(fordiscretegraphicsmodels)

bMicroprocessor

cPlatformControllerHub(PCH)

Formodelswithanintegratedthermalmoduleassembly

Formodelswithadiscretethermalmoduleassembly

58HardwareMaintenanceManual

Removalstepsofthesystemboardassembly

5

4

6

3

1

2

7

7

7

Detachtheconnectors.

Wheninstalling:Ensurethatalltheconnectorsareattachedrmly.

Removethescrews

7.

StepScrew(quantity)Color

7

M2×3mm,at-head,nylon-coated(3)

Black0.181Nm

Chapter8.RemovingorreplacingaFRU59

Torque

(1.85kgf-cm)

Liftthesystemboardassemblycarefully,andthendetachtheconnector9.

8

9

Wheninstalling:Ensurethattheconnectorisattachedrmlytothesystemboard.

1150Thermalmoduleassembly

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage42

•“1020Bottomslotcover”onpage42

•“1040Harddiskdriveassembly”onpage45

•“1080Keyboard”onpage49

•“1090Keyboardbezel”onpage51

•“1140Systemboardassembly”onpage57

60HardwareMaintenanceManual

Removalstepsofthethermalmoduleassembly

1

3

5

4

2

7

6

8

Detachtheconnector1.Loosenthescrews2to7.

Wheninstalling:Ensurethattheconnectorisattachedrmlytothesystemboard.

Carefullyremovethethermalmoduleassembly.

Note:Becarefulnottodamagetheconnector.

Wheninstalling:Beforeyouattachthethermalmoduleassemblytothesystemboard,applythermal

grease,atanamountof0.2grams,onthepartmarked

aandbasshowninthefollowingillustrations.

Eithertoomuchortoolessapplicationofgreasecancauseathermalproblemduetoimperfectcontact
withacomponent.

Chapter8.RemovingorreplacingaFRU61

Formodelswithanintegratedthermalmoduleassembly

a

a

b

Formodelswithadiscretethermalmoduleassembly

1160Speakers,LCDunitandbasecover

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage42

•“1020Bottomslotcover”onpage42

•“1080Keyboard”onpage49

•“1090Keyboardbezel”onpage51

62HardwareMaintenanceManual

Removalstepsofthespeakers

1

1

1

1

1

2

Removethescrews1,andthenremovethespeakers.

StepScrew(quantity)Color

1

M2×3.1mm,at-head,nylon-coated(5)

Torque

Black0.181Nm

(1.85kgf-cm)

Chapter8.RemovingorreplacingaFRU63

RemovalstepsoftheLCDunitandthebasecover

1

1

1

1

1

1

Releasetheantennacablesfromthecableguides.Removethescrews1.

StepScrew(quantity)Color

1

M2.5×5mm,at-head,nylon-coated(6)

Black0.392Nm

Torque

(4.0kgf-cm)

Cablerouting:Routetheantennacablesalongthecableguidesandsecuretheantennaboardswithtapes.

Attention:Whenyouroutethecables,ensurethattheyarenotsubjecttoanytension.T ensioncould

damagethecablesandwires.

64HardwareMaintenanceManual

RemovetheLCDunitfromthebasecover.

2

2

Applyinglabelstothebasecover

Thenewbasecoverisshippedwithakitcontaininglabelsofseveralkinds.Applythelabelsasshowninthe
followingillustrationwhenyoureplacethebasecover.Forthelabelsnotshippedwiththenewbasecover,
peelthemofffromtheoldbasecover,andadherethemtothenewone.

Note:IfyoureplaceapartwiththeWindowsCerticateofAuthentication(COA)label4,returntheoldpart
withthelabelattachedtothecustomer.Otherwise,youcanprovidethecustomerwithaletter,statingthe
originallocationofthelabelonthecomputerandtheinformationonthelabel,suchasthepartnumber,
serialnumber,andproductkey.

Thefollowingillustrationshowsthelabellocationsonthebasecover.

Chapter8.RemovingorreplacingaFRU65

1

2

3

45

1Barcodelabel

2

1

2Ratinglabel

3Systembarcodelabel

4COAlabel

5GenuineMicrosoftlabel

1170DC-inconnector

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage42

•“1020Bottomslotcover”onpage42

•“1040Harddiskdriveassembly”onpage45

•“1080Keyboard”onpage49

•“1090Keyboardbezel”onpage51

•“1140Systemboardassembly”onpage57

•“1160Speakers,LCDunitandbasecover”onpage62

RemovalstepsoftheDC-inconnector

RemovetheDC-inconnectorbracket,andthenremovetheDC-inconnector.

66HardwareMaintenanceManual

2010LCDfrontbezel

1

1

2

2

2

2

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage42

•“1160Speakers,LCDunitandbasecover”onpage62

RemovalstepsoftheLCDfrontbezel

Removethescrews1.

StepScrew(quantity)Color

1

M2×4mm,at-head,nylon-coated(2)

Black0.181Nm

Torque

(1.85kgf-cm)

RemovetheLCDfrontbezel.

Wheninstalling:Ensurethatallthelatchesareattachedrmly.Thensecurethebezelwiththescrews.

2020Cameraandmicrophoneboard

Foraccess,removetheseFRUsinorder:

Chapter8.RemovingorreplacingaFRU67

•“1010Batterypack”onpage42

1

2

•“1160Speakers,LCDunitandbasecover”onpage62

•“2010LCDfrontbezel”onpage67

Removalstepsofthecameraandmicrophoneboard

Detachtheconnector1andthenpeeloffthecameraandmicrophoneboard2.

Note:ThecameraandmicrophoneboardisadheredtothetopcenteroftheLCDcover.

Wheninstalling:AdherethecameraandmicrophoneboardtothetopcenteroftheLCDcoverandadjust

theplacementtoensurethattheconnectorisattachedrmly.

2030LCDpanel,LCDcable,andhinges

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage42

•“1160Speakers,LCDunitandbasecover”onpage62

•“2010LCDfrontbezel”onpage67

68HardwareMaintenanceManual

RemovalstepsoftheLCDpanelandtheLCDcable

1

1

1

1

2

3

4

5

Removethescrews1,andthenremovetheLCDpanel2.

StepScrew(quantity)Color

1

M2×2.5mm,at-head,nylon-coated(4)

TurnovertheLCDpanel.ThendetachtheLCDcable.

Wheninstalling:Ensurethatthecableisattachedrmly.

Torque

Black0.181Nm

(1.85kgf-cm)

Chapter8.RemovingorreplacingaFRU69

Removalstepsofthehinges

1

1

1

1

1

1

2

2

Removethescrews1.

StepScrew(quantity)Color

1

M2×3mm,at-head,nylon-coated(6)

Removethehinges.

2040AntennaassemblyandLCDrearcover

Torque

Black0.181Nm

(1.85kgf-cm)

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage42

•“1160Speakers,LCDunitandbasecover”onpage62

•“2010LCDfrontbezel”onpage67

•“2020Cameraandmicrophoneboard”onpage67

•“2030LCDpanel,LCDcable,andhinges”onpage68

70HardwareMaintenanceManual

RemovalstepsoftheantennaassemblyandtheLCDrearcover

1

1

1

1

1

1

2

2

3

3

ReleasetheantennacablesfromthecableguidesoftheLCDrearcoverassemblyandfromthehinges.

Cablerouting:Routetheantennacablesalongthecableguidesandsecuretheantennaboardswithtapes.

Attention:Whenyouroutethecables,ensurethattheyarenotsubjecttoanytension.T ensioncould

damagethecablesandwires.

Removetheantennaassembly.

Chapter8.RemovingorreplacingaFRU71

72HardwareMaintenanceManual

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

LENOVOPROVIDESTHISPUBLICATION“ASIS”WITHOUTWARRANTYOFANYKIND,EITHEREXPRESS
ORIMPLIED,INCLUDING,BUTNOTLIMITEDTO,THEIMPLIEDWARRANTIESOFNON-INFRINGEMENT,
MERCHANTABILITYORFITNESSFORAPARTICULARPURPOSE.Somejurisdictionsdonotallow
disclaimerofexpressorimpliedwarrantiesincertaintransactions,therefore,thisstatementmaynotapply
toyou.

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

Theproductsdescribedinthisdocumentarenotintendedforuseinimplantationorotherlifesupport
applicationswheremalfunctionmayresultininjuryordeathtopersons.Theinformationcontainedinthis
documentdoesnotaffectorchangeLenovoproductspecicationsorwarranties.Nothinginthisdocument
shalloperateasanexpressorimpliedlicenseorindemnityundertheintellectualpropertyrightsofLenovo
orthirdparties.Allinformationcontainedinthisdocumentwasobtainedinspecicenvironmentsandis
presentedasanillustration.Theresultobtainedinotheroperatingenvironmentsmayvary.

Lenovomayuseordistributeanyoftheinformationyousupplyinanywayitbelievesappropriatewithout
incurringanyobligationtoyou.

Anyreferencesinthispublicationtonon-LenovoWebsitesareprovidedforconvenienceonlyanddonotin
anymannerserveasanendorsementofthoseWebsites.ThematerialsatthoseWebsitesarenotpartof
thematerialsforthisLenovoproduct,anduseofthoseWebsitesisatyourownrisk.

Anyperformancedatacontainedhereinwasdeterminedinacontrolledenvironment.Therefore,theresult
obtainedinotheroperatingenvironmentsmayvarysignicantly.Somemeasurementsmayhavebeen
madeondevelopment-levelsystemsandthereisnoguaranteethatthesemeasurementswillbethesame
ongenerallyavailablesystems.Furthermore,somemeasurementsmayhavebeenestimatedthrough
extrapolation.Actualresultsmayvary.Usersofthisdocumentshouldverifytheapplicabledatafortheir
specicenvironment.

©CopyrightLenovo2013

73

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Othercompany,product,orservicenamesmaybetrademarksorservicemarksofothers.

74HardwareMaintenanceManual

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