LenovoH520gHardwareMaintenanceManualideaideaideaCentreideaMachineTypes:90A3
5.Checkforanyobviousalterations.Usegoodjudgmentastothesafetyofanyalterations.6.Checkinsidetheunitforanyobviousunsafeconditions,suchasmetallings,conta
SATA250GB7200RPM/3Gb/8M45K04082SATA250GB7200RPM/3Gb/8M45K04082SATA250GB7200RPM/3Gb/8M45K04082SATA250GB7200RPM/3Gb/8M03T70392SATA250GB7200RPM/3Gb/8M03T
VideoAdapterHD74501G64bitDVI+DPWIN8ATXVIDEOCARD03T70911DVI_I(M)-VGA(F)adpater54Y82551HD7350512M64bitDVI+DPWIN8ATXVIDEOCARD03T70931DVI_I(M)-VGA(F)adpat
FRU,SM_321BT_SIDE_PANEL,forbrazil,TaipaiIVY20L03T9960NFRU,BELT,Sumba20L03T9982NFRU,WIRE_CLIP ,Sumba20L03T9983NFRU,MB_RUBBER_01,Sumba20L03T9984NFRU,MB_
Chapter11.AdditionalserviceinformationThischapterprovidesadditionalinformationthattheservicerepresentativemightndhelpful.SecurityfeaturesSecurityfeat
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,password54Bbasictroubleshooting33battery,replacing77BIOSsettings,changing57Boot-blockRecovery101Cchangingpassword54startupdevicese
•French•German•Hebrew•Italian•Korean•SpanishDANGERElectricalcurrentfrompower,telephoneandcommunicationcablesishazardous.Toavoidashockhazard:•Donotconn
Power-On,Password54Rrearconnectors66recoveringfromaPOSTandBIOSupdatefailure101recoveryBoot-blockRecovery101removingcomputercover72replacingbattery77ha
Disposeofthebatteryasrequiredbylocalordinancesorregulations.CAUTION:Whenlaserproducts(suchasCD-ROMs,DVD-ROMdrives,beropticdevices,ortransmitters)arei
Chapter2.Safetyinformation9
≥18kg(37lbs)≥32kg(70.5lbs)≥55kg(121.2lbs)12PERIGOAcorrenteelétricaprovenientedecabosdealimentação,detelefoneedecomunicaçõeséperigosa.10LenovoH520gHard
Paraevitarriscodechoqueelétrico:•Nãoconectenemdesconectenenhumcaboouexecuteinstalação,manutençãooureconguraçãodesteprodutoduranteumatempestadecomraio
•Autilizaçãodecontrolesouajustesouaexecuçãodeprocedimentosdiferentesdosespecicadosaquipoderesultaremexposiçãoprejudicialàradiação.PERIGOAlgunsproduto
Chapter2.Safetyinformation13
1214LenovoH520gHardwareMaintenanceManual
12Chapter2.Safetyinformation15
Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadandunderstandChapter2“Safetyinformation”onpage3andAppendixA“Notices”onpage103.First
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
1220LenovoH520gHardwareMaintenanceManual
12Chapter2.Safetyinformation21
PERICOLOLacorrenteelettricaprovenientedaicavidialimentazione,deltelefonoedicomunicazionepuòesserepericolosa.Perevitareilrischiodiscosseelettriche:•Non
ATTENZIONE:Quandovengonoinstallatiprodottilaser(qualiCD-ROM,unitàDVD-ROM,unitàabreotticheotrasmittenti),tenerpresentequantosegue:•Nonrimuovereglispor
24LenovoH520gHardwareMaintenanceManual
12PELIGROLacorrienteeléctricaprocedentedecablesdealimentación,teléfonosycablesdecomunicaciónpuedeserpeligrosa.Paraevitarelriesgodedescargaeléctrica:•N
ContentsChapter1.Aboutthismanual...1Importantsafetyinformation...1Chapter2.Safetyinformation...3Generalsafety...3Electricals
•Noenciendanuncaunequipocuandohayseñalesdefuego,aguaodañosestructurales.•Desconecteloscablesdealimentación,lossistemasdetelecomunicaciones,lasredesylo
Algunosproductoslásertienenincorporadoundiodoláserdeclase3Aoclase3B.Tengaencuentalosiguiente:Cuandoseabre,quedaexpuestoaradiaciónláser.Nomiredirectame
28LenovoH520gHardwareMaintenanceManual
Chapter3.GeneralinformationThischapterprovidesgeneralinformationthatappliestoallmachinetypessupportedbythismanual.SpecicationsThissectionliststhephys
LenovoSupportWebsiteTechnicalsupportinformationisavailableontheLenovoSupportWebsiteat:http://www.lenovo.com/supportThisWebsiteisupdatedwiththelatestsu
Chapter4.GeneralcheckoutAttentionThedrivesinthecomputeryouareservicingmighthavebeenrearrangedorthedrivestartupsequencemighthavebeenchanged.Beextremely
–Hasthiscongurationeverworked?–Ifithasbeenworking,whatchangesweremadepriortoitfailing?–Isthistheoriginalreportedfailure?•Diagnosticsversion–Typeandve
Chapter5.TroubleshootinganddiagnosticsThischapterdescribessomebasictroubleshootinganddiagnosticprograms.Ifyourcomputerproblemisnotdescribedhere,see“Le
SymptomActionTheoperatingsystemdoesnotstart.Verifythat:•Thestartupsequenceincludesthedevicewheretheoperatingsystemresides.Usually,theoperatingsystemis
•Ifyouareunabletorunthediagnosticprogram,contacttheLenovoCustomerSupportCenter.See“LenovoSupportWebsite”onpage30formoreinformation.•Ifthediagnosticpro
Replacingthemicroprocessor...85Replacingthesystemboard...88Replacingtheprimaryharddiskdrive...90ReplacingthefrontaudioandUSBassembly...
NoaudioinWindowsSymptom:NoaudioinWindowsActions:•IfyouareusingpoweredexternalspeakersthathaveanOn/Offcontrol,verifythattheOn/OffcontrolissettotheOnpos
•Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”onpage51forinstructions).Ifyouneedtechnicalassistance,see“Leno
DVDproblemsSelectyoursymptomfromthefollowinglist:•“BlackscreeninsteadofDVDvideo”onpage38•“DVDmoviewillnotplay”onpage38•“Noaudioorintermittentaudiowhil
•Ensurethatvideoresolutionissettolessthan1152x864.Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”onpage51forin
"NoOperatingSystemFound"messageorthesystemnotstartingfromthecorrectharddiskdriveSymptom:"NoOperatingSystemFound"messageorthesystem
Iftheseactionsdonotcorrecttheproblem,havethecomputerandkeyboardserviced.See“LenovoSupportWebsite”onpage30fordetails.Themouseorpointingdevicedoesnotwor
MonitorproblemsNote:Manymonitorshavestatus-indicatorlightsandbuilt-incontrolsforadjustingbrightness,contrast,width,height,andotherpictureadjustments.H
•Themonitormightbeoperatinginalow-refreshratedisplaymode.Setthemonitortothehighest,noninterlacedrefreshratesupportedbyyourmonitorandthevideocontroller
•“IfyourcomputerisaGigabitEthernetmodelandyouuseaspeedof1000Mbps,theconnectionfailsorerrorsoccur”onpage45•“IfyourcomputerisaGigabitEthernetmodel,itcan
TheWakeonLANfeatureisnotworkingSymptom:TheWakeonLAN(WOL)featureisnotworking.Actions:•MakesurethatWOLisenabledintheBIOSSetupUtilityprogram.•Ifitis,chec
Chapter1.AboutthismanualThismanualprovidesserviceandreferenceinformationforLenovo®computerslistedonthefrontcover.Thismanualisintendedonlyfortrainedser
BluetoothproblemsForBluetoothproblems,selectyoursymptomfromthefollowinglist:•“SounddoesnotcomefromtheBluetoothheadphone”onpage46•“PIMitemssentfromtheW
Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”onpage51forinstructions).Ifyouneedtechnicalassistance,see“Lenov
4.Alistofunnecessarylecategoriesisdisplayed.Selecteachlecategoryyouwanttodelete,andthenclickOK.•Procedure21.OpenControlPanel.2.ClickPrograms.3.Click
InsufcientmemorySymptom:InsufcientmemoryIngeneral,themorememorythatisinstalled,thebettertheWindowsoperatingsystemruns.Action:Installadditionalmemory
SoftwareproblemsSelectyoursymptomfromthefollowinglist:•“Whenusingasortfeature,datesdonotsortinthecorrectorder”onpage50•“Softwaredoesnotworkasexpected”
USBproblemsSymptom:TheUSBconnectorscannotbeaccessed.Actions:•MakesuretheUSBcableissecurelyconnectedtotheUSBconnectorandtotheUSBdevice.IftheUSBdeviceha
52LenovoH520gHardwareMaintenanceManual
Chapter6.UsingtheSetupUtilityprogramTheSetupUtilityprogramisusedtoviewandchangethecongurationsettingsofyourcomputer,regardlessofwhichoperatingsystemy
PasswordconsiderationsApasswordcanbeanycombinationofupto64alphabeticandnumericcharacters.Forsecurityreasons,itisrecommendedtouseastrongpasswordthatcan
Note:Apasswordcanbeanycombinationofupto64alphabeticandnumericcharacters.Formoreinformation,see“Passwordconsiderations”onpage54.Erasinglostorforgottenp
2LenovoH520gHardwareMaintenanceManual
1.Turnoffyourcomputer.2.RepeatedlypressandreleasetheF12keywhenturningonthecomputer.WhentheStartupDeviceMenuwindowdisplays,releasetheF12key.3.Selectthe
2.FromtheSetupUtilityprogrammainmenu,selectPower➙AfterPowerLoss,andpressEnter.3.SelectPowerOnandpressEnter.4.PressF10tosavechangesandexittheSetupUtili
58LenovoH520gHardwareMaintenanceManual
Chapter7.Symptom-to-FRUindexTheSymptom-to-FRUindexlistserrorsymptomsandpossiblecauses.Themostlikelycauseislistedrst.AlwaysbeginwiththeChapter4“Genera
Thefollowingtablesdescribesbeepsymptoms.BeepSymptomFRU/Action2shortbeepsCMOSsettingerrorPerformthefollowingactionsinorder.1.StarttheSetupUtilityprogra
POSTErrorcodePOSTErrormessageDescription/Action1762CongurationchangehasoccurredThiserrormessageisdisplayedwhenaharddiskdriveoropticaldrivechangehasbe
MiscellaneouserrormessagesMessage/SymptomFRU/ActionChangingdisplaycolorsDisplay/MonitorComputerwillnotpower-off.See“Harddiskdrivebooterror”onpage59.1.
Message/SymptomFRU/ActionNon-systemdiskordiskerror-typemessagewithaknown-gooddiagnosticdiskette.1.DisketteDrive2.SystemBoard3.DisketteDriveCableOtherd
d.Extendedvideomemorye.ExternalCachef.ExternalCacheRAMg.Harddiskdriveh.Diskettedrive3.Turnonthepowerandthecomputertore-testthesystem.4.Repeatsteps1thr
Chapter8.LocationsThischapterintroducesthelocationsofthecomputerhardwarecomponents.LocationsThissectionprovidesinformationtohelpyoulocateyourcomputerc
Chapter2.SafetyinformationThischaptercontainsthesafetyinformationthatyouneedtobefamiliarwithbeforeservicingacomputer.GeneralsafetyFollowtheserulestoen
LocatingconnectorsontherearofyourcomputerFigure2“Rearconnectorlocations”onpage66showsthelocationsoftheconnectorsontherearofyourcomputer.Someconnectors
Figure3.ComponentlocationsThefollowingtableliststhemajorFRUsshowninFigure3“Componentlocations”onpage67andidentieswhichFRUsalsoareself-serviceCRUsorop
LocatingpartsonthesystemboardFigure4“Systemboardpartlocations”onpage68showsthelocationsofthepartsonthesystemboard.Figure4.Systemboardpartlocations14-p
LocatinginternaldrivesInternaldrivesaredevicesthatyourcomputerusestoreadandstoredata.Youcanadddrivestoyourcomputertoincreasestoragecapacityandenableyo
70LenovoH520gHardwareMaintenanceManual
Chapter9.ReplacingFRUsImportant:BesuretoreadandunderstandChapter2“Safetyinformation”onpage3beforeyoureplaceanyFRU.Theseprecautionsandguidelineswillhel
RemovingthecomputercoverAttention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”intheUserGuide.To
RemovingandreinstallingthefrontbezelAttention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”inthe
4.Toreinstallthefrontbezel,alignthethreeplastictabsontherightsideofthefrontbezelwiththecorrespondingholesinthechassis,thenpivotthefrontbezelinwardsunt
3.Attherearofthecomputer,removethescrewthatsecuresthePCIcardlatch.Figure9.RemovingthescrewthatsecuresthePCIcardlatch4.Dependingonwhetheryouareinstalli
Important:Useonlyapprovedtoolsandtestequipment.Somehandtoolshavehandlescoveredwithasoftmaterialthatdoesnotinsulateyouwhenworkingwithliveelectricalcurr
•IfyouarereplacinganoldPCIcard,grasptheoldcardthatiscurrentlyinstalledandgentlypullitoutoftheslot.Figure10.RemovingaPCIcardNotes:a.Thecardtstightlyin
Figure11.InstallingaPCIcard8.ReinstallthescrewtosecurethePCIcardlatchinplace.9.Tocompletetheinstallationorreplacement,goto“Completingthepartsreplaceme
4.Removetheoldbattery.Figure12.Removingtheoldbattery5.Installanewbattery.Figure13.Installinganewbattery6.Reinstallthecomputercoverandconnectthecables.
5.Removeanypartsthatmightpreventyouraccesstothememoryslots.Dependingonyourcomputermodel,youmightneedtoremovethePCIExpressx16graphicscardforeasieracces
7.Positionthenewmemorymoduleoverthememoryslot.Makesurethatthenotch1onthememorymodulealignscorrectlywiththeslotkey2onthesystemboard.Pushthememorymodule
Figure17.Removingtheopticaldrive5.Slidethenewopticaldriveintothedrivebayfromthefrontandalignthescrewholesinthenewopticaldrivewiththecorrespondingholes
6.ConnectoneendofthesignalcabletotherearofthenewopticaldriveandtheotherendtoanavailableSATAconnectoronthesystemboard.See“Locatingpartsonthesystemboard
6.Followthissequencetoremovethefourscrewsthatsecuretheheatsinkandfanassemblytothesystemboard:a.Partiallyremovescrew1,thenfullyremovescrew2,andthenfull
ReplacingthepowersupplyassemblyAttention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”intheUserG
5.Slidethepowersupplyassemblytothefrontofthecomputerandthenliftitoutofthechassis.6.Makesurethatthenewpowersupplyassemblyisthecorrectreplacement.Somepo
Voltage-selectionswitchSomecomputersareequippedwithavoltage-selectionswitchlocatednearthepower-cordconnectionpointonthecomputer.Ifyourcomputerhasavolt
5.Liftthesmallhandle1andopentheretainer2toaccessthemicroprocessor3.Figure22.Accessingthemicroprocessor6.Liftthemicroprocessorstraightupandoutofthemicr
b.Notetheorientationofthemicroprocessorinthesocket.Youcaneitherlookforthesmalltriangle1ononecornerofthemicroprocessorornotetheorientationofthenotches2
ReplacingthesystemboardAttention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”intheUserGuide.Too
7.Removethesixscrewsthatsecurethesystemboard.Figure25.Removingthesixscrewsthatsecurethesystemboard8.Carefullyslidethesystemboardsothatitcanbereleasedf
1.Releasetheleversecuringthemicroprocessorretainerandopentheretainertoaccessthemicroprocessor.2.Graspthemicroprocessoronthesidesandliftitstraightupand
Figure27.Removingtheprimaryharddiskdrive6.Slidethenewharddiskdriveintotheharddiskdrivebayandalignthescrewholesinthenewharddiskdrivewiththecorrespondin
Figure29.ConnectingaSATAharddiskdrive8.Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage93.ReplacingthefrontaudioandUSB
6.RemovethescrewthatsecuresthefrontaudioandUSBassemblybrackettothechassistoremovethebracketfromthechassis.Figure30.RemovingthefrontaudioandUSBassembly
4.Positionthecomputercoveronthechassissothattherailguidesonthebottomofthecomputercoverengagetherailsonthechassis.Then,pushthecovertothefrontofthecompu
Chapter10.FRUlistsThischapterliststheinformationontheeldreplaceableunits(FRUs)forLenovodesktopcomputer.Attention:Besuretoreadandunderstandallthesafet
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