Lenovo K4350 Notebook Manuel d'utilisateur

HardwareMaintenanceManualLenovoZhaoYangK4350andK4350A

•Keepthepartsinprotectivepackagesuntiltheyareinsertedintotheproduct.•Avoidcontactwithotherpeople.•Wearagroundedwriststrapagainstyourskintoeliminatesta

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Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadthegeneralinformationunderAppendixA“Notices”onpage73.FirstEdition(April2013)©Copyri

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Chapter2.GeneralcheckoutThischaptercontainsthefollowingtopics:•“Whattodorst”onpage21•“Powersystemcheckout”onpage22Beforeyougotothecheckoutinstruction

•Improperdiscinsertionoruseofanopticaldrive•Diskettedrivedamagecausedbypressureonthediskettedrivecover,foreignmaterialinthedrive,ortheinsertionofadisk

•Ifthevoltageisacceptable,dothefollowing:a.Replacethesystemboard.b.Iftheproblempersists,calltheCustomerSupportCenter.Note:Noisefromtheacpoweradapterdo

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

•Ifthevoltageismorethan+12.0Vdc,dischargethebatterypackuntilthevoltagebecomeslessthan+12.0Vdcandthenrechargethebatterypack.Ifthevoltagestillislessthan

Chapter3.ImportantserviceinformationThischapterpresentsthefollowinginformation:•“Recoveringthecomputersettings”onpage25•“Usingpasswords”onpage25•“Powe

Attention:Ifyouforgetthepassword,thereisnoserviceproceduretoresetthepassword.Thesystemboardmustbereplacedforascheduledfee.•Power-onpassword:Apower-onp

HibernationmodeInhibernationmode,thefollowingoccurs:•Thesystemstatus,RAM,VRAM,andsetupdataarestoredontheharddiskdrive.•Thesystemispoweredoff.Ifyouhave

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Chapter4.StatusindicatorsThistopicpresentsthesystemstatusindicatorsthatshowthestatusofthecomputer.123Table1.StatusindicatorsIndicatorMeaning1ActivePro

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Chapter5.FnkeycombinationsThefollowingtabledescribesthefunctionsofFnkeycombinations.Table2.FunctionkeycombinationsKeycombinationDescriptionFn+EscEnabl

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Chapter6.LocationsThischapterprovidesinformationaboutcomponentlocations.Locatingcomputercontrols,connectors,andindicatorsThistopicintroducesthelocatio

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Bottomview210143456789Figure2.Bottomview1Batterylock6Fanlouvers2Batterypack7Monitorconnector3Batterylatch8AlwaysOnUSBconnector4Speakers9Comboaudiojack

–Self-serviceCRUs:TheseCRUsunplugorareheldbynomorethantwoscrews.ExamplesofthesetypesofCRUsincludetheacpoweradapter,powercord,battery,andharddiskdrive.

Table3.MajorFRUsandCRUsNo.FRUdescriptionCRUID1LCDunitN2KeyboardbezelwithtouchpadN3FingerprintboardcableN4FingerprintboardN5FingerprintboardbracketN6Sy

1234675Table4.LCDFRUsNo.FRUdescriptionCRUID1LCDBezelN2HingesN3CameraandmicrophonesboardN4LCDcoverN5AntennasN6LCDcableN7LCDpanelNLookingupFRUinformatio

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Chapter7.FRUreplacementnoticesThischapterpresentsnoticesrelatedtoremovingandreplacingparts.ReadthischaptercarefullybeforereplacinganyFRU.CRUstatementf

•IfyouareinstructedtoreplaceaFRUbutthereplacementdoesnotsolvetheproblem,reinstalltheoriginalFRUbeforeyoucontinue.•Somecomputershavebothaprocessorboard

Chapter8.RemovingorreplacingaFRUThischapterprovidesinstructionsonhowtoremoveorreplaceaFRU.CRUstatementforcustomers:Youcanresolvesomeproblemswithyourpr

1010BatterypackRemovalstepsofthebatterypackDANGERUseonlythebatteryspeciedinthepartslistforyourcomputer.Anyotherbatterycouldigniteorexplode.Unlocktheb

RemovalstepsofthebottomslotcoverRemovethescrew1,andthenremovethebottomslotcover2.21StepScrew(quantity)ColorTorque1M2×3mm,at-head,nylon-coated(1)Black

AboutthismanualThismanualprovidesserviceandreferenceinformationforthefollowingLenovo®products.MachineMachineType(MT)LenovoZhaoYangK4350andK4350A20228T

RemovalstepsofthememorymodulesReleasethetwolatchesonbothedgesofthesocketatthesametime1,andthencarefullyremovethememorymodule2.211Wheninstalling:Insert

1040HarddiskdriveassemblyForaccess,removetheseFRUsinorder:•“1010Batterypack”onpage42•“1020Bottomslotcover”onpage42Importantnoticeforreplacingaharddisk

Removetheharddiskdriveassembly.3Wheninstalling:Ensurethattheharddiskdriveconnectorisattachedrmly.RemovalstepsoftheharddiskdrivebracketRemovethescrews

RemovalstepsofthePCIExpressMiniCardforwirelessLANInsteps1,unplugtheconnectorsbyusingtheremovaltoolfortheantennaRFconnectororpickuptheconnectorswithyou

Attention:•Donotdropthedriveorapplyanyphysicalshocktoit.Thedriveissensitivetophysicalshock.Improperhandlingcancausedamageandpermanentlossofdata.•Befor

RemovalstepsofthebackupbatteryDANGERUseonlythebatteryspeciedinthepartslistforyourcomputer.Anyotherbatterycouldigniteorexplode.Carefullyprythebackupba

Pushhardtounlatchthekeyboard.22Carefullydetachthekeyboardandthenliftitupuntilyoucanseehowitisconnected.350HardwareMaintenanceManual

Detachthekeyboardconnector,andthenremovethekeyboard.456Wheninstalling:Ensurethatthekeyboardconnectorisattachedrmly.1090KeyboardbezelForaccess,removet

RemovalstepsofthekeyboardbezelRemovethescrews1and2.1111122211111StepScrew(quantity)ColorTorque1M2×6mm,at-head,nylon-coated(10)Black0.181Nm(1.85kgf-cm

Removethescrews3,andthendetachtheconnectors.76894533StepScrew(quantity)ColorTorque3M2×6mm,at-head,nylon-coated(2)Black0.181Nm(1.85kgf-cm)Wheninstalli

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Detachthekeyboardbezelfromtheframe,andthenremovethekeyboardbezel.101010111010101010101110FingerprintboardbracketandngerprintboardwithcableForaccess,r

Removethengerprintboardwiththengerprintboardcable.31120PowerboardForaccess,removetheseFRUsinorder:•“1010Batterypack”onpage42•“1020Bottomslotcover”on

RemovalstepsofthemediacardreaderslotboardDetachthecables.132Wheninstalling:Ensurethatthecablesareattachedrmly.56HardwareMaintenanceManual

Removethescrews4,andthenremovethemediacardreaderslotboard.4445StepScrew(quantity)ColorTorque4M2×3mm,at-head,nylon-coated(3)Black0.181Nm(1.85kgf-cm)11

LocatingmajorsensitivecomponentsonthesystemboardAttention:Thefollowingcomponentsmountedonasystemboardareextremelysensitive.Improperhandlingofasystembo

RemovalstepsofthesystemboardassemblyDetachtheconnectors.546312Wheninstalling:Ensurethatalltheconnectorsareattachedrmly.Removethescrews7.777StepScrew(

Liftthesystemboardassemblycarefully,andthendetachtheconnector9.89Wheninstalling:Ensurethattheconnectorisattachedrmlytothesystemboard.1150Thermalmodul

RemovalstepsofthethermalmoduleassemblyDetachtheconnector1.Loosenthescrews2to7.1354276Wheninstalling:Ensurethattheconnectorisattachedrmlytothesystembo

FormodelswithanintegratedthermalmoduleassemblyaFormodelswithadiscretethermalmoduleassemblyab1160Speakers,LCDunitandbasecoverForaccess,removetheseFRUsi

RemovalstepsofthespeakersRemovethescrews1,andthenremovethespeakers.111112StepScrew(quantity)ColorTorque1M2×3.1mm,at-head,nylon-coated(5)Black0.181Nm(

Chapter1.SafetyinformationThischapterpresentsthefollowingsafetyinformationthatyouneedtobefamiliarwithbeforeyouserviceaLenovonotebookcomputer.•“General

RemovalstepsoftheLCDunitandthebasecoverReleasetheantennacablesfromthecableguides.Removethescrews1.111111StepScrew(quantity)ColorTorque1M2.5×5mm,at-he

RemovetheLCDunitfromthebasecover.22ApplyinglabelstothebasecoverThenewbasecoverisshippedwithakitcontaininglabelsofseveralkinds.Applythelabelsasshownint

123451Barcodelabel4COAlabel2Ratinglabel5GenuineMicrosoftlabel3Systembarcodelabel1170DC-inconnectorForaccess,removetheseFRUsinorder:•“1010Batterypack”o

2010LCDfrontbezelForaccess,removetheseFRUsinorder:•“1010Batterypack”onpage42•“1160Speakers,LCDunitandbasecover”onpage62RemovalstepsoftheLCDfrontbezelR

•“1010Batterypack”onpage42•“1160Speakers,LCDunitandbasecover”onpage62•“2010LCDfrontbezel”onpage67RemovalstepsofthecameraandmicrophoneboardDetachthecon

RemovalstepsoftheLCDpanelandtheLCDcableRemovethescrews1,andthenremovetheLCDpanel2.11112StepScrew(quantity)ColorTorque1M2×2.5mm,at-head,nylon-coated(4

RemovalstepsofthehingesRemovethescrews1.111111StepScrew(quantity)ColorTorque1M2×3mm,at-head,nylon-coated(6)Black0.181Nm(1.85kgf-cm)Removethehinges.22

RemovalstepsoftheantennaassemblyandtheLCDrearcoverReleasetheantennacablesfromthecableguidesoftheLCDrearcoverassemblyandfromthehinges.11111122Cablerout

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AppendixA.NoticesLenovomaynotoffertheproducts,services,orfeaturesdiscussedinthisdocumentinallcountries.ConsultyourlocalLenovorepresentativeforinformat

Important:Useonlyapprovedtoolsandtestequipment.Somehandtoolshavehandlescoveredwithasoftmaterialthatdoesnotinsulateyouwhenworkingwithliveelectricalcurr

TrademarksThefollowingtermsaretrademarksofLenovointheUnitedStates,othercountriesorboth:ActiveProtectionSystemLenovoLenovologoOneKeyMicrosoftandWindows

PartNumber:PrintedinChina(1P)P/N:*1P*

SafetyinspectionguideThepurposeofthisinspectionguideistoassistyouinidentifyingpotentiallyunsafeconditions.Aseachmachinewasdesignedandbuilt,requiredsaf