LenovoM4350HardwareMaintenanceManualMachineTypes:90AGand10154
5.Checkforanyobviousalterations.Usegoodjudgmentastothesafetyofanyalterations.6.Checkinsidetheunitforanyobviousunsafeconditions,suchasmetallings,conta
Thefailingsystemboardmustbereturnedwithamicroprocessorsocketcovertoprotectthepinsduringshippingandhandling.Toinstallthemicroprocessorsocketcover,dothe
3.IfyourcomputercomeswithaWiFicardmodulethatsupportstheBluetoothfunction,disconnecttheBluetoothcablefromtheWiFiadaptercard.Figure35.DisconnectingtheBl
5.GrasptheWiFiadaptercardthatiscurrentlyinstalledandgentlypullitoutoftheslot.Figure36.RemovingtheWiFiadaptercardNote:Thecardtstightlyintothecardslot.
2.RemovethetwoscrewsthatsecuretheWiFicardmoduletotheWiFiadaptercard.Figure38.RemovingthescrewsthatsecuretheWiFicardmodule3.PulltheWiFicardmoduleoutoft
1.InserttheWiFicardmoduleintotheminiPCIExpressslot,andtheninstallthetwoscrewstosecuretheWiFicardmoduletotheWiFiadaptercard.Figure40.InstallingtheWiFic
2.ConnectthefrontantennacableandrearantennacabletotheWiFicardmodule.Figure41.InstallingtheWiFiantennacables3.InstalltheWiFiadaptercardintothePCIExpres
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage103.InstallingorremovingtherearWiFiantennaAttention:Donotopenyourcomp
3.HoldthethickerendoftherearWiFiantennaandunscrewtheWiFiantennafromtherearofthecomputer.Figure44.RemovingtherearWiFiantennaWhattodonext:•Toworkwithano
Figure45.Peelingoffthepaperthatprotectsthestickers5.Stickthefrontantennatothefrontpanelasshown.Theninsertthefrontantennacablethroughtheholeinthefrontp
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage103.RemovingthefrontWiFiantennaToremovethefrontWiFiantenna,dothefollo
•French•German•Hebrew•Italian•Korean•SpanishDANGERElectricalcurrentfrompower,telephoneandcommunicationcablesishazardous.Toavoidashockhazard:•Donotconn
3.Ifyouhaveremovedthefrontbezel,reinstallit.See“Removingandreinstallingthefrontbezel”onpage70.4.Positionthecomputercoveronthechassissothattherailguide
Chapter9.AdditionalserviceinformationThischapterprovidesadditionalinformationthattheservicerepresentativemightndhelpful.SecurityfeaturesSecurityfeatu
Updating(ashing)theBIOSfromadiscThissectionprovidesinstructionsonhowtoupdate(ash)theBIOSfromadiscontheWindows8(64-bit)operatingsystemandonotheropera
Updating(ashing)theBIOSfromyouroperatingsystemNote:BecauseLenovomakesconstantimprovementstoitsWebsites,theWebpagecontentsaresubjecttochangewithoutnot
14.Turnonthecomputertorestarttheoperatingsystem.PowermanagementPowermanagementreducesthepowerconsumptionofcertaincomponentsofthecomputersuchasthesyste
AppendixA.NoticesLenovomaynotoffertheproducts,services,orfeaturesdiscussedinthisdocumentinallcountries.ConsultyourlocalLenovorepresentativeforinformat
TelevisionoutputnoticeThefollowingnoticeappliestomodelsthathavethefactory-installedtelevision-outputfeature.Thisproductincorporatescopyrightprotection
IndexAAdministrator,password50audioline-inconnector62audioline-outconnector62Bbasictroubleshooting31battery,replacing85BIOSsettings,changing53Boot-blo
slots82powersupplyassembly,replacing79Power-On,Password50Rrearconnectors62rearWiFiantenna,installing,removing100recoveringfromaPOSTandBIOSupdatefailur
Disposeofthebatteryasrequiredbylocalordinancesorregulations.CAUTION:Whenlaserproducts(suchasCD-ROMs,DVD-ROMdrives,beropticdevices,ortransmitters)arei
Chapter1.Safetyinformation7
≥18kg(37lbs)≥32kg(70.5lbs)≥55kg(121.2lbs)12PERIGOAcorrenteelétricaprovenientedecabosdealimentação,detelefoneedecomunicaçõeséperigosa.8LenovoM4350Hardw
Paraevitarriscodechoqueelétrico:•Nãoconectenemdesconectenenhumcaboouexecuteinstalação,manutençãooureconguraçãodesteprodutoduranteumatempestadecomraio
•Autilizaçãodecontrolesouajustesouaexecuçãodeprocedimentosdiferentesdosespecicadosaquipoderesultaremexposiçãoprejudicialàradiação.PERIGOAlgunsproduto
Chapter1.Safetyinformation11
1212LenovoM4350HardwareMaintenanceManual
12Chapter1.Safetyinformation13
Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadthegeneralinformationunderAppendixA“Notices”onpage109.FirstEdition(August2013)©Copy
DANGERLecourantélectriqueprovenantdel'alimentation,dutéléphoneetdescâblesdetransmissionpeutprésenterundanger.Pourévitertoutrisquedechocélectrique
ATTENTION:Sidesproduitsàlaser(telsquedesunitésdeCD-ROM,deDVD-ROM,desunitésàbresoptiques,oudesémetteurs)sontinstallés,prenezconnaissancedesinformation
12VORSICHTAnNetz-,Telefon-undDatenleitungenkönnengefährlicheSpannungenanliegen.AusSicherheitsgründen:•BeiGewitterandiesemGerätkeineKabelanschließenode
•über100Cerhitzen.•reparierenoderzerlegen.DieörtlichenBestimmungenfürdieEntsorgungvonSondermüllbeachten.ACHTUNG:BeiderInstallationvonLasergeräten(wieC
1218LenovoM4350HardwareMaintenanceManual
12Chapter1.Safetyinformation19
PERICOLOLacorrenteelettricaprovenientedaicavidialimentazione,deltelefonoedicomunicazionepuòesserepericolosa.Perevitareilrischiodiscosseelettriche:•Non
ATTENZIONE:Quandovengonoinstallatiprodottilaser(qualiCD-ROM,unitàDVD-ROM,unitàabreotticheotrasmittenti),tenerpresentequantosegue:•Nonrimuovereglispor
22LenovoM4350HardwareMaintenanceManual
12PELIGROLacorrienteeléctricaprocedentedecablesdealimentación,teléfonosycablesdecomunicaciónpuedeserpeligrosa.Paraevitarelriesgodedescargaeléctrica:•N
ContentsAboutthismanual...iiiChapter1.Safetyinformation...1Generalsafety...1Electricalsafety...1Voltage-selecti
•Noenciendanuncaunequipocuandohayseñalesdefuego,aguaodañosestructurales.•Desconecteloscablesdealimentación,lossistemasdetelecomunicaciones,lasredesylo
Algunosproductoslásertienenincorporadoundiodoláserdeclase3Aoclase3B.Tengaencuentalosiguiente:Cuandoseabre,quedaexpuestoaradiaciónláser.Nomiredirectame
26LenovoM4350HardwareMaintenanceManual
Chapter2.GeneralinformationThischapterprovidesgeneralinformationthatappliestoallmachinetypessupportedbythismanual.SpecicationsThissectionliststhespec
LenovoSupportWebsiteTechnicalsupportinformationisavailableontheLenovoSupportWebsiteat:http://www.lenovo.com/supportThisWebsiteisupdatedwiththelatestsu
Chapter3.GeneralcheckoutAttentionThedrivesinthecomputeryouareservicingmighthavebeenrearrangedorthedrivestartupsequencemighthavebeenchanged.Beextremely
–Hasthiscongurationeverworked?–Ifithasbeenworking,whatchangesweremadepriortoitfailing?–Isthistheoriginalreportedfailure?•Diagnosticsversion–Typeandve
Chapter4.TroubleshootinganddiagnosticsThischapterdescribessomebasictroubleshootinganddiagnosticprograms.Ifyourcomputerproblemisnotdescribedhere,see“Le
AccessingControlPanelontheWindows8operatingsystemOntheWindowsoperatingsystem,youcanviewandchangecomputersettingsthroughControlPanel.ToaccessControlPan
1.Removethenewhardwareoptionorsoftware.Ifyoumustremovethecomputercovertoremoveahardwareoption,makesureyoureviewandfollowtheelectricalsafetyinformation
Replacingtheheatsinkandfanassembly..88Replacingthemicroprocessor...90Replacingthesystemboard...92ReplacingtheWiFiunits...94Installingorr
•MakesurethattheprogramyouarerunningisdesignedforuseintheMicrosoftWindowsoperatingsystem.IftheprogramisdesignedtoruninDOS,theprogramdoesnotusetheWindo
Action:IfyouhavemultipleCDorDVDdrivesinstalled(oracombinationofCDandDVDdrives),tryinsertingthediscintotheotherdrive.Insomecases,onlyoneofthedrivesisco
DVDmoviewillnotplaySymptom:DVDmoviewillnotplay.Actions:•Makesurethatthediscsurfaceiscleanandnotscratched.•Checkthediscorpackageforregionalcoding.Youmi
Actions:•Verifythatallcablesandcordsaresecurelyconnectedtothecomputerandattacheddevices.•Verifythatwhenthecomputerison,thefangrillisnotblocked(thereis
•“Thepointeronthescreendoesnotmovesmoothlywiththemouse”onpage38•“Thewirelesskeyboarddoesnotwork”onpage38AllorsomekeysonthekeyboarddonotworkSymptom:All
•Thebatteriesstillretaintheircurrent.•ThewirelessKeyboardislocatedlessthantenmetersawayfromthetransceiver.•Thetransceiverisfullyinstalled.Action:Ifthe
TheimageappearstobeickeringSymptom:Theimageappearstobeickering.Actions:•Themonitormightbeoperatinginalow-refreshratedisplaymode.Setthemonitortothehi
•“Theadapterstopsworkingfornoapparentreason”onpage41•“IfyourcomputerisaGigabitEthernetmodelandyouuseaspeedof1000Mbps,theconnectionfailsorerrorsoccur”o
Actions:•UseCategory5wiringandmakesurethatthenetworkcableissecurelyconnected.•Connecttoa1000BASE-Thub/switch(not1000BASE-X).IfyourcomputerisaGigabitEt
OptionproblemsUsethisinformationtodiagnoseproblemswithLenovohardwareoptionsthatdonothavetheirowntroubleshootinginformation.Selectyoursymptomfromthefol
AboutthismanualThismanualprovidesserviceandreferenceinformationforLenovo®desktopcomputerslistedonthefrontcover.Chapter6“Symptom-to-FRUindex”onpage55an
InsufcientfreeharddiskdrivespaceSymptom:InsufcientfreeharddiskdrivespaceTheWindowsoperatingsystemwillslowdownandmightproduceerrorsiftheharddiskdrive
Note:Dependingonthesizeoftheharddiskdriveandamountofdatacurrentlystoredontheharddiskdrive,thedisk-defragmentationprocessmighttakeuptoseveralhourstocom
SoftwareproblemsSelectyoursymptomfromthefollowinglist:•“Whenusingasortfeature,datesdonotsortinthecorrectorder”onpage46•“Softwaredoesnotworkasexpected”
•MakesuretheUSBcableissecurelyconnectedtotheUSBconnectorandtotheUSBdevice.IftheUSBdevicehasitsownpowercord,makesureitisattachedtoaproperlygroundedelec
48LenovoM4350HardwareMaintenanceManual
Chapter5.UsingtheSetupUtilityprogramTheSetupUtilityprogramisusedtoviewandchangethecongurationsettingsofyourcomputer,regardlessofwhichoperatingsystemy
PasswordconsiderationsApasswordcanbeanycombinationofupto64alphabeticandnumericcharacters.Forsecurityreasons,itisrecommendedtouseastrongpasswordthatcan
Note:Apasswordcanbeanycombinationofupto64alphabeticandnumericcharacters.Formoreinformation,see“Passwordconsiderations”onpage50.Erasinglostorforgottenp
SelectingatemporarystartupdeviceUsethisproceduretoselectatemporarystartupdevice.Note:Notalldiscsandharddiskdrivesarebootable.1.Turnoffyourcomputer.2.R
•EnablingtheafterpowerlossfeatureTheafterpowerlossfeatureenablesyourcomputertowakeupwhenthepowersupplyresumesafterasuddenlossofelectricity.Toenablethe
54LenovoM4350HardwareMaintenanceManual
Chapter6.Symptom-to-FRUindexTheSymptom-to-FRUindexlistserrorsymptomsandpossiblecauses.Themostlikelycauseislistedrst.AlwaysbeginwiththeChapter3“Genera
Thefollowingtablesdescribesbeepsymptoms.BeepSymptomFRU/Action2shortbeepsCMOSsettingerrorPerformthefollowingactionsinorder.1.StarttheSetupUtilityprogra
POSTErrorcodePOSTErrormessageDescription/Action1762CongurationchangehasoccurredThiserrormessageisdisplayedwhenaharddiskdriveoropticaldrivechangehasbe
MiscellaneouserrormessagesMessage/SymptomFRU/ActionChangingdisplaycolorsDisplay/MonitorComputerwillnotpower-off.See“Harddiskdrivebooterror”onpage55.1.
Message/SymptomFRU/ActionNon-systemdiskordiskerror-typemessagewithaknown-gooddiagnosticdiskette.1.DisketteDrive2.SystemBoard3.DisketteDriveCableOtherd
d.Extendedvideomemorye.ExternalCachef.ExternalCacheRAMg.Harddiskdriveh.Diskettedrive3.Turnonthepowerandthecomputertore-testthesystem.4.Repeatsteps1thr
Chapter7.LocationsThischapterprovidesinformationtohelpyoulocateyourcomputerconnectors,majorFRUsandCRUs,partsonthesystemboard,andinternaldrives.Note:Th
LocatingconnectorsontherearofyourcomputerFigure2“Rearconnectorlocations”onpage62showsthelocationsoftheconnectorsontherearofyourcomputer.Someconnectors
ConnectorDescriptionEthernetconnectorUsedtoattachanEthernetcableforalocalareanetwork(LAN).Note:TooperatethecomputerwithinFCCClassBlimits,useaCategory5
Chapter1.SafetyinformationThischaptercontainsthesafetyinformationthatyouneedtobefamiliarwithbeforeservicingacomputer.GeneralsafetyFollowtheserulestoen
Figure3.LocatingmajorFRUsThefollowingtableliststhemajorFRUsshowninFigure3“LocatingmajorFRUs”onpage64.64LenovoM4350HardwareMaintenanceManual
NumberFRUdescription1Powersupplyassembly2Heatsinkandfanassembly3Microprocessor4Memorymodules5Opticaldrive6FrontWiFiantenna7FrontaudioandUSBassembly8Fr
LocatingpartsonthesystemboardFigure4“Systemboardpartlocations”onpage66showsthelocationsofthepartsonthesystemboard.Figure4.Systemboardpartlocations14-p
LocatinginternaldrivesInternaldrivesaredevicesthatyourcomputerusestoreadandstoredata.Youcanadddrivestoyourcomputertoincreasestoragecapacityandenableyo
68LenovoM4350HardwareMaintenanceManual
Chapter8.ReplacingFRUsImportant:BeforeyoureplaceanyFRU,besuretoreadandunderstandChapter1“Safetyinformation”onpage1.Theseprecautionsandguidelineswillhe
CAUTION:Turnoffthecomputerandwaitthreetoveminutestoletthecomputercoolbeforeremovingthecomputercover.Toremovethecomputercover,dothefollowing:1.Removea
Toremoveandreinstallthefrontbezel,dothefollowing:1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.2.Removethecomputercover.See“Remo
4.Toreinstallthefrontbezel,alignthethreeplastictabsontherightsideofthefrontbezelwiththecorrespondingholesinthechassis,thenpivotthefrontbezelinwardsunt
Figure9.Removingtheprimaryharddiskdrive6.Slidethenewharddiskdriveintotheharddiskdrivebayandalignthescrewholesinthenewharddiskdrivewiththecorresponding
Important:Useonlyapprovedtoolsandtestequipment.Somehandtoolshavehandlescoveredwithasoftmaterialthatdoesnotinsulateyouwhenworkingwithliveelectricalcurr
7.ConnectoneendofthesignalcabletotherearofthenewharddiskdriveandtheotherendtoanavailableSATAconnectoronthesystemboard.See“Locatingpartsonthesystemboar
6.Frominsidethechassis,pivottheretainingclip1thatsecurestheplasticholderofthethermalsensorinwardandthenpushtheclipoutwardtoreleasetheclip.Thendisengag
8.Inserttheconnectorandcableofthenewthermalsensorintothehole1inthechassis.Thenalignthetwotabsontheplasticholderholdingthethermalsensorwiththetwoholes1
5.DisconnectthefrontaudioandUSBassemblycablesfromthesystemboard.See“Locatingpartsonthesystemboard”onpage66.Note:Makesureyounotethelocationsofthecables
4.Removethethreescrewsthatsecuretheopticaldrive.Then,slidetheopticaldriveoutofthefrontofthecomputer.Figure15.Removingtheopticaldrive5.Slidethenewoptic
6.ConnectoneendofthesignalcabletotherearofthenewopticaldriveandtheotherendtoanavailableSATAconnectoronthesystemboard.See“Locatingpartsonthesystemboard
Hazardousvoltage,current,andenergylevelsarepresentinsideanycomponentthathasthislabelattached.Therearenoserviceablepartsinsidethesecomponents.Ifyoususp
11.Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage103.ReplacingthesystemfanAttention:Donotopenyourcomputerorattemptan
Figure20.Installingthesystemfan8.Connectthenewsystemfancabletothesystemfanconnectoronthesystemboard.See“Locatingpartsonthesystemboard”onpage66.9.Tocom
3.Attherearofthecomputer,removethescrewthatsecuresthePCIcardlatch.Figure21.RemovingthescrewthatsecuresthePCIcardlatch4.Dependingonwhetheryouareinstall
Voltage-selectionswitchSomecomputersareequippedwithavoltage-selectionswitchlocatednearthepower-cordconnectionpointonthecomputer.Ifyourcomputerhasavolt
•IfyouarereplacinganoldPCIcard,grasptheoldcardthatiscurrentlyinstalledandgentlypullitoutoftheslot.Figure22.RemovingaPCIcardNotes:a.Thecardtstightlyin
7.PivotthecardlatchtotheclosedpositiontosecurethePCIcard.Figure23.InstallingaPCIcard8.ReinstallthescrewtosecurethePCIcardlatchinplace.9.Tocompletethei
4.Removetheoldbattery.Figure24.Removingtheoldbattery5.Installanewbattery.Figure25.Installinganewbattery6.Reinstallthecomputercoverandconnectthecables.
5.Removeanypartsthatmightpreventyouraccesstothememoryslots.Dependingonyourcomputermodel,youmightneedtoremovethePCIExpressx16graphicscardforeasieracces
7.Positionthenewmemorymoduleoverthememoryslot.Makesurethatthenotch1onthememorymodulealignscorrectlywiththeslotkey2onthesystemboard.Pushthememorymodule
6.Followthissequencetoremovethefourscrewsthatsecuretheheatsinkandfanassemblytothesystemboard:a.Partiallyremovescrew1,thenfullyremovescrew2,andthenfull
ReplacingthemicroprocessorAttention:DonotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingtheChapter1“Safetyinformation”onpage1.Thissect
Figure31.RemovingthemicroprocessorNotes:a.Yourmicroprocessorandsocketmightlookdifferentfromtheoneillustrated.b.Notetheorientationofthemicroprocessorin
10.Lowerthenewmicroprocessorstraightdownintothemicroprocessorsocketonthesystemboard.Figure32.Installingthemicroprocessor11.Closethemicroprocessorretai
5.Carefullytakenoteofthelocationsofallcableconnectionsonthesystemboardanddisconnectallthecables.See“Locatingpartsonthesystemboard”onpage66.6.Removethe
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