Lenovo H520e User Manual

Download

LenovoH520eHardwareMaintenanceManual

ideaideaideaCentreidea

MachineTypes:90AM

Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadandunderstandChapter2

“Safetyinformation”onpage3andAppendixA“Notices”onpage101.

FirstEdition(January2013) ©CopyrightLenovo2013.

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

Contents

Chapter1.Aboutthismanual......1

Importantsafetyinformation..........1

Chapter2.Safetyinformation......3

Generalsafety................3

Electricalsafety...............3

Voltage-selectionswitch............5

Safetyinspectionguide............5

Handlingelectrostaticdischarge-sensitive

devices..................6

Groundingrequirements............6

Safetynotices(multi-lingualtranslations).....6

Chapter3.Generalinformation....29

Speciﬁcations...............29

LenovoSupportWebsite..........30

Chapter4.Generalcheckout.....31

Problemdeterminationtips..........31

Chapter5.Troubleshootingand

diagnostics..............33

Basictroubleshooting............33

AccessingControlPanelontheWindows8

operatingsystem..............34

Troubleshootingprocedure..........34

Troubleshooting..............35

Audioproblems............35

CDproblems.............37

DVDproblems.............38

Intermittentproblems..........39

Harddiskdriveproblems.........39

Keyboard,mouse,orpointingdevice

problems...............40

Monitorproblems............42

Networkingproblems..........43

Optionproblems............46

Performanceandlockupproblems.....47

Printerproblems............49

Serialportproblems...........49

Softwareproblems...........50

USBproblems.............51

Diagnostics................51

LenovoSolutionCenter.........51

Chapter6.UsingtheSetupUtility

program................53

StartingtheSetupUtilityprogram.......53

Viewingandchangingsettings........53

Usingpasswords..............53

Passwordconsiderations.........54

Power-OnPassword..........54

AdministratorPassword.........54

HardDiskPassword...........54

Setting,changing,anddeletingapassword.54 Erasinglostorforgottenpasswords(clearing

CMOS)................55

Enablingordisablingadevice........55

Selectingastartupdevice..........55

Selectingatemporarystartupdevice....55

Selectingorchangingthestartupdevice

sequence...............56

EnablingErPcompliancemode........56

ChangingtheBIOSsettingsbeforeinstallinganew

operatingsystem..............57

ExitingtheSetupUtilityprogram.......57

Chapter7.Symptom-to-FRUindex..59

Harddiskdrivebooterror..........59

Powersupplyproblems...........59

Beepsymptoms..............59

POSTerrorcodes.............60

Miscellaneouserrormessages........62

Undeterminedproblems...........63

Chapter8.Locations.........65

Locations.................65

Locatingconnectors,controls,andindicators

onthefrontofyourcomputer.......65

Locatingconnectorsontherearofyour

computer...............65

LocatingmajorFRUsandCRUs......66

Locatingpartsonthesystemboard....67

Locatinginternaldrives.........67

Chapter9.ReplacingFRUs......69

Handlingstatic-sensitivedevices.......69

Installingorreplacinghardware........69

Removingthecomputercover.......70

Removingandreinstallingthefrontbezel..71

InstallingorreplacingaPCIcard......72

Replacingthebattery..........75

Installingorreplacingamemorymodule...76

Replacingtheopticaldrive........78

Replacingtheheatsinkandfanassembly..80

Replacingthepowersupplyassembly...82

©CopyrightLenovo2013

Replacingthemicroprocessor.......83

Replacingthesystemboard.......85

Replacingtheprimaryharddiskdrive....87

ReplacingthefrontaudioandUSB

assembly...............89

Completingthepartsreplacement.....90

Chapter10.FRUlists.........93

Chapter11.Additionalservice

information..............97

Securityfeatures..............97

Hardware-controlledpasswords......97

Operatingsystempassword.......97

VitalProductData...........97

BIOSlevels................97

Flashupdateprocedures..........97

Updating(ﬂashing)theBIOSfromadisc...98 Updating(ﬂashing)theBIOSfromyour

operatingsystem............99

RecoveringfromaPOSTandBIOSupdate

failure................99

Powermanagement............100

AdvancedConﬁgurationandPowerInterface

(ACPI)BIOS..............100

AutomaticPower-onfeatures.......100

AppendixA.Notices.........101

Televisionoutputnotice...........102

EuropeanconformanceCEmark.......102

Trademarks................102

Index.................103

iiLenovoH520eHardwareMaintenanceManual

Chapter1.Aboutthismanual

ThismanualprovidesserviceandreferenceinformationforLenovo ThismanualisintendedonlyfortrainedservicepersonnelwhoarefamiliarwithLenovocomputerproducts.

BeforeservicingaLenovocomputerproduct,besuretoreadChapter2“Safetyinformation”onpage3.

Chapter7“Symptom-to-FRUindex”onpage59 arenotspeciﬁctoanymachinetype.ThesechaptersareapplicabletoallLenovoH520gcomputers.

FormajorFRUlocationsandCustomerReplaceableUnit(CRU)identiﬁcation,seeChapter8“Locations” onpage65.

ForFRUreplacementinstructions,seeChapter9“ReplacingFRUs”onpage69

andChapter11“Additionalserviceinformation”onpage97

computerslistedonthefrontcover.

Importantsafetyinformation

Besuretoreadallcautionanddangerstatementsinthismanualbeforeperforminganyoftheinstructions.

VeuillezliretouteslesconsignesdetypeDANGERetATTENTIONduprésentdocumentavantd'exécuter lesinstructions.

LesenSieunbedingtalleHinweisevomTyp"ACHTUNG"oder"VORSICHT"indieserDokumentation,bevor SieirgendwelcheVorgängedurchführen

LeggereleistruzioniintrodottedaATTENZIONEePERICOLOpresentinelmanualeprimadieseguireuna qualsiasidelleistruzioni

Certiﬁque-sedelertodasasinstruçõesdecuidadoeperigonestemanualantesdeexecutarqualquer umadasinstruções

Esimportantequeleatodaslasdeclaracionesdeprecauciónydepeligrodeestemanualantesdeseguir lasinstrucciones.

©CopyrightLenovo2013

2LenovoH520eHardwareMaintenanceManual

Chapter2.Safetyinformation

Thischaptercontainsthesafetyinformationthatyouneedtobefamiliarwithbeforeservicingacomputer.

Generalsafety

Followtheserulestoensuregeneralsafety:

•Observegoodhousekeepingintheareaofthemachinesduringandaftermaintenance.

•Whenliftinganyheavyobject:

1.Ensureyoucanstandsafelywithoutslipping.

2.Distributetheweightoftheobjectequallybetweenyourfeet.

3.Useaslowliftingforce.Nevermovesuddenlyortwistwhenyouattempttolift.

4.Liftbystandingorbypushingupwithyourlegmuscles;thisactionremovesthestrainfromthe musclesinyourback.Donotattempttoliftanyobjectsthatweighmorethan16kg(35lb)orobjects

thatyouthinkaretooheavyforyou.

•Donotperformanyactionthatcauseshazardstothecustomer,orthatmakestheequipmentunsafe.

•Beforeyoustartthemachine,ensurethatotherservicerepresentativesandthecustomer'spersonnelare notinahazardousposition.

•Placeremovedcoversandotherpartsinasafeplace,awayfromallpersonnel,whileyouareservicing themachine.

•Keepyourtoolcaseawayfromwalkareassothatotherpeoplewillnottripoverit.

•Donotwearlooseclothingthatcanbetrappedinthemovingpartsofamachine.Ensurethatyoursleeves arefastenedorrolledupaboveyourelbows.Ifyourhairislong,fastenit.

•Inserttheendsofyournecktieorscarfinsideclothingorfastenitwithanonconductiveclip,approximately 8centimeters(3inches)fromtheend.

•Donotwearjewelry,chains,metal-frameeyeglasses,ormetalfastenersforyourclothing. Remember:Metalobjectsaregoodelectricalconductors.

•Wearsafetyglasseswhenyouare:hammering,drilling,soldering,cuttingwire,attachingsprings,using solvents,orworkinginanyotherconditionsthatmightbehazardoustoyoureyes.

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

•Reinstallallcoverscorrectlybeforereturningthemachinetothecustomer.

Electricalsafety

CAUTION: Electricalcurrentfrompower,telephone,andcommunicationcablescanbehazardous.Toavoid personalinjuryorequipmentdamage,disconnecttheattachedpowercords,telecommunication systems,networks,andmodemsbeforeyouopenthecentrecovers,unlessinstructedotherwisein theinstallationandconﬁgurationprocedures.

Observethefollowingruleswhenworkingonelectricalequipment.

©CopyrightLenovo2013

Important:Useonlyapprovedtoolsandtestequipment.Somehandtoolshavehandlescoveredwithasoft

materialthatdoesnotinsulateyouwhenworkingwithliveelectricalcurrents.Manycustomershave,near theirequipment,rubberﬂoormatsthatcontainsmallconductiveﬁberstodecreaseelectrostaticdischarges. Donotusethistypeofmattoprotectyourselffromanelectricshock.

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

•Donotworkaloneunderhazardousconditionsornearequipmentthathashazardousvoltages.

•Disconnectallpowerbefore: –Performingamechanicalinspection

–Workingnearpowersupplies –RemovingorinstallingFieldReplaceableUnits(FRU)

•Beforeyoustarttoworkonthemachine,unplugthepowercord.Ifyoucannotunplugit,askthecustomer topower-offthewallboxthatsuppliespowertothemachineandtolockthewallboxintheoffposition.

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

Remember:Anotherpersonmustbetheretoswitchoffthepower,ifnecessary.

–Useonlyonehandwhenworkingwithpowered-onelectricalequipment;keeptheotherhandinyour

pocketorbehindyourback. Remember:Theremustbeacompletecircuittocauseanelectricshock.Byobservingtheabove rule,youmaypreventacurrentfrompassingthroughyourbody.

–Whenusingatester,setthecontrolscorrectlyandusetheapprovedprobeleadsandaccessoriesfor

thattester.

–Standonsuitablerubbermats(obtainedlocally,ifnecessary)toinsulateyoufromgroundssuchas

metalﬂoorstripsandmachineframes.

Observethespecialsafetyprecautionswhenyouworkwithveryhighvoltages;theseinstructionsarein thesafetysectionsofmaintenanceinformation.Useextremecarewhenmeasuringhighvoltages.

•Regularlyinspectandmaintainyourelectricalhandtoolsforsafeoperationalcondition.

•Donotusewornorbrokentoolsandtesters.

•Neverassumethatpowerhasbeendisconnectedfromacircuit.First,checkthatithasbeenpowered-off.

•Alwayslookcarefullyforpossiblehazardsinyourworkarea.Examplesofthesehazardsaremoistﬂoors, nongroundedpowerextensioncables,powersurges,andmissingsafetygrounds.

•Donottouchliveelectricalcircuitswiththereﬂectivesurfaceofaplasticdentalmirror.Thesurfaceis conductive;suchtouchingcancausepersonalinjuryandmachinedamage.

•Donotservicethefollowingpartswiththepoweronwhentheyareremovedfromtheirnormaloperating placesinamachine:

–Powersupplyunits –Pumps –Blowersandfans –Motorgenerators

andsimilarunits.(Thispracticeensurescorrectgroundingoftheunits.)

•Ifanelectricalaccidentoccurs: –Usecaution;donotbecomeavictimyourself.

–Switchoffpower. –Sendanotherpersontogetmedicalaid.

4LenovoH520eHardwareMaintenanceManual

Voltage-selectionswitch

Somecomputersareequippedwithavoltage-selectionswitchlocatednearthepower-cordconnection pointonthecomputer.Ifyourcomputerhasavoltage-selectionswitch,ensurethatyousettheswitchto matchthevoltageavailableatyourelectricaloutlet.Settingthevoltage-selectionswitchincorrectlycan causepermanentdamagetothecomputer.

Ifyourcomputerdoesnothaveavoltage-selectionswitch,yourcomputerisdesignedtooperateonlyatthe voltageprovidedinthecountryorregionwherethecomputerwasoriginallypurchased.

Ifyourelocateyourcomputertoanothercountry,beawareofthefollowing:

•Ifyourcomputerdoesnothaveavoltage-selectionswitch,donotconnectthecomputertoanelectrical outletuntilyouhaveveriﬁedthatthevoltageprovidedisthesameasitwasinthecountryorregion wherethecomputerwasoriginallypurchased.

•Ifyourcomputerhasavoltage-selectionswitch,donotconnectthecomputertoanelectricaloutletuntil youhaveveriﬁedthatthevoltage-selectionswitchissettomatchthevoltageprovidedinthatcountry orregion.

Ifyouarenotsureofthevoltageprovidedatyourelectricaloutlet,contactyourlocalelectriccompanyor refertoofﬁcialWebsitesorotherliteraturefortravelerstothecountryorregionwhereyouarelocated.

Safetyinspectionguide

Theintentofthisinspectionguideistoassistyouinidentifyingpotentiallyunsafeconditionsonthese products.Eachmachine,asitwasdesignedandbuilt,hadrequiredsafetyitemsinstalledtoprotectusers andservicepersonnelfrominjury.Thisguideaddressesonlythoseitems.However,goodjudgmentshould beusedtoidentifypotentialsafetyhazardsduetoattachmentoffeaturesoroptionsnotcoveredbythis inspectionguide.

Ifanyunsafeconditionsarepresent,youmustdeterminehowserioustheapparenthazardcouldbeand whetheryoucancontinuewithoutﬁrstcorrectingtheproblem.

Considertheseconditionsandthesafetyhazardstheypresent:

•Electricalhazards,especiallyprimarypower(primaryvoltageontheframecancauseseriousorfatal electricalshock).

•Explosivehazards,suchasadamagedCRTfaceorbulgingcapacitor

•Mechanicalhazards,suchaslooseormissinghardware

Theguideconsistsofaseriesofstepspresentedinachecklist.Beginthecheckswiththepoweroff,and thepowercorddisconnected.

Checklist:

1.Checkexteriorcoversfordamage(loose,broken,orsharpedges).

2.Power-offthecomputer.Disconnectthepowercord.

3.Checkthepowercordfor: a.Athird-wiregroundconnectoringoodcondition.Useametertomeasurethird-wireground

continuityfor0.1ohmorlessbetweentheexternalgroundpinandframeground. b.Thepowercordshouldbetheappropriatetypeasspeciﬁedinthepartslistings. c.Insulationmustnotbefrayedorworn.

4.Removethecover.

Chapter2.Safetyinformation5

5.Checkforanyobviousalterations.Usegoodjudgmentastothesafetyofanyalterations.

6.Checkinsidetheunitforanyobviousunsafeconditions,suchasmetalﬁlings,contamination,wateror otherliquids,orsignsofﬁreorsmokedamage.

7.Checkforworn,frayed,orpinchedcables.

8.Checkthatthepower-supplycoverfasteners(screwsorrivets)havenotbeenremovedortamperedwith.

Handlingelectrostaticdischarge-sensitivedevices

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

Notes:

1.Useproduct-speciﬁcESDprocedureswhentheyexceedtherequirementsnotedhere.

2.MakesurethattheESDprotectivedevicesyouusehavebeencertiﬁed(ISO9000)asfullyeffective.

WhenhandlingESD-sensitiveparts:

•Keepthepartsinprotectivepackagesuntiltheyareinsertedintotheproduct.

•Avoidcontactwithotherpeoplewhilehandlingthepart.

•Wearagroundedwriststrapagainstyourskintoeliminatestaticonyourbody.

•Preventthepartfromtouchingyourclothing.Mostclothingisinsulativeandretainsachargeeven whenyouarewearingawriststrap.

•Usetheblacksideofagroundedworkmattoprovideastatic-freeworksurface.Thematisespecially usefulwhenhandlingESD-sensitivedevices.

•Selectagroundingsystem,suchasthoselistedbelow,toprovideprotectionthatmeetsthespeciﬁc servicerequirement.

Note:TheuseofagroundingsystemisdesirablebutnotrequiredtoprotectagainstESDdamage. –AttachtheESDgroundcliptoanyframeground,groundbraid,orgreen-wireground.

–UseanESDcommongroundorreferencepointwhenworkingonadouble-insulatedor

battery-operatedsystem.Youcanusecoaxorconnector-outsideshellsonthesesystems.

–Usetheroundground-prongoftheacplugonac-operatedcomputers.

Groundingrequirements

Electricalgroundingofthecomputerisrequiredforoperatorsafetyandcorrectsystemfunction.Proper groundingoftheelectricaloutletcanbeveriﬁedbyacertiﬁedelectrician.

Safetynotices(multi-lingualtranslations)

Thecautionanddangersafetynoticesinthissectionareprovidedinthefollowinglanguages:

•English

•Arabic

•Brazilian/Portuguese

•Chinese(simpliﬁed)

•Chinese(traditional)

6LenovoH520eHardwareMaintenanceManual

•French

•German

•Hebrew

•Italian

•Korean

•Spanish

DANGER

Electricalcurrentfrompower,telephoneandcommunicationcablesishazardous.

Toavoidashockhazard:

•Donotconnectordisconnectanycablesorperforminstallation,maintenance,orreconﬁguration

ofthisproductduringanelectricalstorm.

•Connectallpowercordstoaproperlywiredandgroundedelectricaloutlet.

•Connecttoproperlywiredoutletsanyequipmentthatwillbeattachedtothisproduct.

•Whenpossible,useonehandonlytoconnectordisconnectsignalcables.

•Neverturnonanyequipmentwhenthereisevidenceofﬁre,water,orstructuraldamage.

•Disconnecttheattachedpowercords,telecommunicationssystems,networks,andmodems

beforeyouopenthedevicecovers,unlessinstructedotherwiseintheinstallationandconﬁguration procedures.

•Connectanddisconnectcablesasdescribedinthefollowingtableswheninstalling,moving,or

openingcoversonthisproductorattacheddevices.

ToConnectToDisconnect

1.TurneverythingOFF.

2.First,attachallcablestodevices.

3.Attachsignalcablestoconnectors.

4.Attachpowercordstooutlet.

5.TurndeviceON.

1.TurneverythingOFF.

2.First,removepowercordsfromoutlet.

3.Removesignalcablesfromconnectors.

4.Removeallcablesfromdevices.

CAUTION: Whenreplacingthelithiumbattery,useonlyPartNumber45C1566oranequivalenttypebattery recommendedbythemanufacturer.Ifyoursystemhasamodulecontainingalithiumbattery,replace itonlywiththesamemoduletypemadebythesamemanufacturer.Thebatterycontainslithiumand canexplodeifnotproperlyused,handled,ordisposedof.Donot:

•Throworimmerseintowater

•Heattomorethan100°C(212°F)

•Repairordisassemble

Chapter2.Safetyinformation7

Disposeofthebatteryasrequiredbylocalordinancesorregulations.

CAUTION: Whenlaserproducts(suchasCD-ROMs,DVD-ROMdrives,ﬁberopticdevices,ortransmitters)are installed,notethefollowing:

•Donotremovethecovers.Removingthecoversofthelaserproductcouldresultinexposureto hazardouslaserradiation.Therearenoserviceablepartsinsidethedevice.

•Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthosespeciﬁedherein mightresultinhazardousradiationexposure.

DANGER

SomelaserproductscontainanembeddedClass3AorClass3Blaserdiode.Notethefollowing:

Laserradiationwhenopen.Donotstareintothebeam,donotviewdirectlywithoptical instruments,andavoiddirectexposuretothebeam.

≥18kg(37lbs)≥32kg(70.5lbs)≥55kg(121.2lbs)

CAUTION: Usesafepracticeswhenlifting.

CAUTION: Thepowercontrolbuttononthedeviceandthepowerswitchonthepowersupplydonotturnoff theelectricalcurrentsuppliedtothedevice.Thedevicealsomighthavemorethanonepower cord.Toremoveallelectricalcurrentfromthedevice,ensurethatallpowercordsaredisconnected fromthepowersource.

8LenovoH520eHardwareMaintenanceManual

Chapter2.Safetyinformation9

≥18kg(37lbs)≥32kg(70.5lbs)≥55kg(121.2lbs)

PERIGO

Acorrenteelétricaprovenientedecabosdealimentação,detelefoneedecomunicaçõeséperigosa.

10LenovoH520eHardwareMaintenanceManual

Paraevitarriscodechoqueelétrico:

•Nãoconectenemdesconectenenhumcaboouexecuteinstalação,manutençãooureconﬁguração desteprodutoduranteumatempestadecomraios.

•Conectetodososcabosdealimentaçãoatomadaselétricascorretamenteinstaladaseaterradas.

•Todoequipamentoqueforconectadoaesteprodutodeveserconectadoatomadascorretamente instaladas.

•Quandopossível,utilizeapenasumadasmãosparaconectaroudesconectarcabosdesinal.

•Nuncaliguenenhumequipamentoquandohouverevidênciadefogo,águaoudanosestruturais.

•Antesdeabrirtampasdedispositivos,desconectecabosdealimentação,sistemasdetelecomunicação, redesemodemsconectados,amenosqueespeciﬁcadodemaneiradiferentenosprocedimentosde instalaçãoeconﬁguração.

•Conecteedesconecteoscabosconformedescritonatabelaapresentadaaseguiraoinstalar,moverou abrirtampasdesteprodutooudedispositivosconectados.

ParaConectar:ParaDesconectar:

1.DESLIGUETudo.

2.Primeiramente,conectetodososcabosaos dispositivos.

3.Conecteoscabosdesinalaosconectores.

4.Conecteoscabosdealimentaçãoàstomadas.

5.LIGUEosdispositivos.

1.DESLIGUETudo.

2.Primeiramente,removaoscabosdealimentaçãodas tomadas.

3.Removaoscabosdesinaldosconectores.

4.Removatodososcabosdosdispositivos.

CUIDADO:

Aosubstituirabateriadelítio,utilizeapenasumabateriacomNúmerodePeça45C1566ouumtipo debateriaequivalenterecomendadopeloSeoseusistemapossuiummódulocomumabateriade lítio,substitua-oapenasporummódulodomesmotipoedomesmofabricante.Abateriacontémlítio epodeexplodirsenãoforutilizada,manuseadaoudescartadademaneiracorreta.

Não:

•Jogueoucoloquenaágua

•Aqueçaamaisde100°C(212°F)

•Consertenemdesmonte

Descarteabateriaconformerequeridopelasleisouregulamentoslocais.

PRECAUCIÓN:

Quandoprodutosalaser(comounidadesdeCD-ROMs,unidadesdeDVD-ROM,dispositivosdeﬁbraótica outransmissores)estivereminstalados,observeoseguinte:

•Nãoremovaastampas.Aremoçãodastampasdeumprodutoalaserpoderesultaremexposição prejudicialàradiaçãodelaser.Nãoexistempeçasquepodemserconsertadasnointeriordodispositivo.

Chapter2.Safetyinformation11

•Autilizaçãodecontrolesouajustesouaexecuçãodeprocedimentosdiferentesdosespeciﬁcadosaqui

poderesultaremexposiçãoprejudicialàradiação.

PERIGO

AlgunsprodutosalasercontêmdiododelaserintegradodaClasse3AoudaClasse3B.Observeoseguinte:

Radiaçãoalaserquandoaberto.Nãoolhediretamenteparaofeixeaolhonuoucominstrumentosópticose eviteexposiçãodiretaaofeixe.

≥18kg(37lbs)≥32kg(70.5lbs)≥55kg(121.2lbs)

CUIDADO:

Utilizeprocedimentosdesegurançaparalevantarequipamentos.

CUIDADO:

Obotãodecontroledealimentaçãododispositivoeobotãoparaligar/desligardafontedealimentação nãodesligamacorrenteelétricafornecidaaodispositivo.Odispositivotambémpodetermaisdeumcabo dealimentação.Pararemovertodaacorrenteelétricadodispositivo,assegurequetodososcabosde alimentaçãoestejamdesconectadosdafontedealimentação.

12LenovoH520eHardwareMaintenanceManual

Chapter2.Safetyinformation13

14LenovoH520eHardwareMaintenanceManual

Chapter2.Safetyinformation15

DANGER

Lecourantélectriqueprovenantdel'alimentation,dutéléphoneetdescâblesdetransmissionpeutprésenter undanger.

Pourévitertoutrisquedechocélectrique:

•Nemanipulezaucuncâbleetn'effectuezaucuneopérationd'installation,d'entretienoudereconﬁguration deceproduitaucoursd'unorage.

•Brancheztouslescordonsd'alimentationsurunsocledeprisedecourantcorrectementcâbléetmisàla terre.

•Branchezsurdessoclesdeprisedecourantcorrectementcâbléstoutéquipementconnectéàceproduit.

•Lorsquecelaestpossible,n'utilisezqu'uneseulemainpourconnecteroudéconnecterlescâbles d'interface.

•Nemettezjamaisunéquipementsoustensionencasd'incendieoud'inondation,ouenprésencede dommagesmatériels.

•Avantderetirerlescartersdel'unité,mettezcelle-cihorstensionetdéconnectezsescordons d'alimentation,ainsiquelescâblesquilarelientauxréseaux,auxsystèmesdetélécommunicationetaux modems(saufinstructioncontrairementionnéedanslesprocéduresd'installationetdeconﬁguration).

•Lorsquevousinstallez,quevousdéplacez,ouquevousmanipulezleprésentproduitoudespériphériques quiluisontraccordés,reportez-vousauxinstructionsci-dessouspourconnecteretdéconnecterles différentscordons.

ConnexionDéconnexion

1.MettezlesunitésHORSTENSION.

2.Commencezparbranchertouslescordonssurles unités.

3.Branchezlescâblesd'interfacesurdesconnecteurs.

4.Branchezlescordonsd'alimentationsurdesprises.

5.MettezlesunitésSOUSTENSION.

1.MettezlesunitésHORSTENSION.

2.Débranchezlescordonsd'alimentationdesprises.

3.Débranchezlescâblesd'interfacedesconnecteurs.

4.Débrancheztouslescâblesdesunités.

ATTENTION:

Remplacerlapileaulithiumusagéeparunepilederéférenceidentiqueexclusivement,(référence 45C1566),ousuivrelesinstructionsdufabricantquiendéﬁnitleséquivalences.Sivotresystèmeest dotéd'unmodulecontenantunepileaulithium,vousdevezleremplaceruniquementparunmodule identique,produitparlemêmefabricant.Lapilecontientdulithiumetpeutexploserencasde mauvaiseutilisation,demauvaisemanipulationoudemiseaurebutinappropriée.

Nepas:

•lajeteràl'eau,

•l'exposeràdestempératuressupérieuresà100°C,

•chercheràlaréparerouàladémonter.

Nepasmettrelapileàlapoubelle.Pourlamiseaurebut,sereporteràlaréglementationenvigueur.

16LenovoH520eHardwareMaintenanceManual

ATTENTION:

Sidesproduitsàlaser(telsquedesunitésdeCD-ROM,deDVD-ROM,desunitésàﬁbresoptiques,ou desémetteurs)sontinstallés,prenezconnaissancedesinformationssuivantes:

•Neretirezpaslecarter.Enouvrantl'unitédeCD-ROMoudeDVD-ROM,vousvousexposezau

rayonnementdangereuxdulaser.Aucunepiècedel'unitén'estréparable.

•Pourévitertoutrisqued'expositionaurayonlaser,respectezlesconsignesderéglageet

d'utilisationdescommandes,ainsiquelesprocéduresdécritesdansleprésentmanuel.

DANGER

Certainsproduitsàlasercontiennentunediodeàlaserintégréedeclasse3Aou3B.Prenez connaissancedesinformationssuivantes:

Rayonnementlaserlorsquelecarterestouvert.Eviteztouteexpositiondirecteaurayonlaser.Evitez deregarderﬁxementlefaisceauoudel'observeràl'aided'instrumentsoptiques.

≥18kg(37lbs)≥32kg(70.5lbs)≥55kg(121.2lbs)

ATTENTION:

Soulevezlamachineavecprécaution.

ATTENTION:

L'interrupteurdecontrôled'alimentationdel'unitéetl'interrupteurdublocd'alimentationnecoupent paslecourantélectriquealimentantl'unité.Enoutre,lesystèmepeutêtreéquipédeplusieurs cordonsd'alimentation.Pourmettrel'unitéhorstension,vousdevezdéconnectertouslescordons delasourced'alimentation.

Chapter2.Safetyinformation17

VORSICHT

AnNetz-,T elefon-undDatenleitungenkönnengefährlicheSpannungenanliegen.

AusSicherheitsgründen:

•BeiGewitterandiesemGerätkeineKabelanschließenoderlösen.FernerkeineInstallations-,

Wartungs-oderRekonﬁgurationsarbeitendurchführen.

•GerätnuraneineSchutzkontaktsteckdosemitordnungsgemäßgeerdetemSchutzkontakt

anschließen.

•AlleangeschlossenenGeräteebenfallsanSchutzkontaktsteckdosenmitordnungsgemäß

geerdetemSchutzkontaktanschließen.

•DieSignalkabelnachMöglichkeiteinhändiganschließenoderlösen,umeinenStromschlagdurch

BerührenvonOberﬂächenmitunterschiedlichemelektrischemPotenzialzuvermeiden.

•Geräteniemalseinschalten,wennHinweiseaufFeuer,WasseroderGebäudeschädenvorliegen.

•DieVerbindungzudenangeschlossenenNetzkabeln,Telekommunikationssystemen,Netzwerken

undModemsistvordemÖffnendesGehäuseszuunterbrechen,sofernindenInstallations-und KonﬁgurationsprozedurenkeineanderslautendenAnweisungenenthaltensind.

•ZumInstallieren,TransportierenundÖffnenderAbdeckungendesComputersoderder

angeschlossenenEinheitendieKabelgemäßderfolgendenTabelleanschließenundabziehen.

ZumAnschließenderKabelgehenSiewiefolgtvorZumAbziehenderKabelgehenSiewiefolgtvor

1.SchaltenSiealleEinheitenAUS.

2.SchließenSieerstalleKabelandieEinheitenan.

3.SchließenSiedieSignalkabelandieBuchsenan.

4.SchließenSiedieNetzkabelandieSteckdosean.

5.SchaltenSiedieEinheitEIN.

1.SchaltenSiealleEinheitenAUS.

2.ZiehenSiezuerstalleNetzkabelausden Netzsteckdosen.

3.ZiehenSiedieSignalkabelausdenBuchsen.

4.ZiehenSiealleKabelvondenEinheitenab.

CAUTION:

EineverbrauchteLithiumbatterienurdurcheineBatteriemitderTeilenummer45C1566odereine gleichwertige,vomHerstellerempfohleneBatterieersetzen.EnthältdasSystemeinModulmiteiner Lithiumbatterie,diesesnurdurcheinModuldesselbenTypsundvondemselbenHerstellerersetzen. DieBatterieenthältLithiumundkannbeiunsachgemäßerVerwendung,HandhabungoderEntsorgung explodieren.

DieBatterienicht:

•mitWasserinBerührungbringen.

18LenovoH520eHardwareMaintenanceManual

•über100Cerhitzen.

•reparierenoderzerlegen.

DieörtlichenBestimmungenfürdieEntsorgungvonSondermüllbeachten.

ACHTUNG:

BeiderInstallationvonLasergeräten(wieCD-ROM-Laufwerken,DVD-aufwerken,Einheitenmit LichtwellenleitertechnikoderSendern)Folgendesbeachten:

•DieAbdeckungennichtentfernen.DurchEntfernenderAbdeckungendesLasergerätskönnen

gefährlicheLaserstrahlungenfreigesetztwerden.DasGerätenthältkeinezuwartendenTeile.

•WerdenSteuerelemente,EinstellungenoderDurchführungenvonProzedurenandersalshier

angegebenverwendet,kanngefährlicheLaserstrahlungauftreten.

VORSICHT

EinigeLasergeräteenthalteneineLaserdiodederKlasse3Aoder3B.BeachtenSieFolgendes:

LaserstrahlungbeigeöffneterVerkleidung.NichtindenStrahlblicken.KeineLupenoderSpiegel verwenden.Strahlungsbereichmeiden.

≥18kg≥32kg≥55kg

ACHTUNG:

ArbeitsschutzrichtlinienbeimAnhebenderMaschinebeachten.

ACHTUNG:

MitdemNetzschalteranderEinheitundamNetzteilwirddieStromversorgungfürdieEinheit nichtunterbrochen.DieEinheitkannauchmitmehrerenNetzkabelnausgestattetsein.Umdie StromversorgungfürdieEinheitvollständigzuunterbrechen,müssenallezumGerätführenden NetzkabelvomNetzgetrenntwerden.

Chapter2.Safetyinformation19

20LenovoH520eHardwareMaintenanceManual

Chapter2.Safetyinformation21

PERICOLO

Lacorrenteelettricaprovenientedaicavidialimentazione,deltelefonoedicomunicazionepuòessere pericolosa.

Perevitareilrischiodiscosseelettriche:

•Noncollegareoscollegarequalsiasicavooppureeffettuarel'installazione,lamanutenzioneola

riconﬁgurazionedelprodottoduranteuntemporale.

•Collegaretuttiiﬁlielettriciaunapresadialimentazionecorrettamentecablataedotatadimessaa

terra.

•Collegareallepreseelettricheappropriatetutteleapparecchiaturecheverrannoutilizzateper

questoprodotto.

•Sepossibile,utilizzaresolounamanopercollegareoscollegareicavidisegnale.

•Nonaccendereassolutamenteapparecchiatureinpresenzadiincendi,perdited'acquaodanno

strutturale.

•Scollegareicavidialimentazione,isistemiditelecomunicazione,leretieilmodemprimadi

aprireicoperchideldispositivo,salvoistruzionicontrarierelativealleprocedurediinstallazionee conﬁgurazione.

•Collegareescollegareicavicomedescrittonellaseguentetabellaquandovengonoeffettuate

operazionidiinstallazione,spostamentooaperturadeicoperchidiquestoprodottoodelleunità collegate.

PercollegarsiPerscollegarsi

1.SPEGNEREleapparecchiature.

2.Innanzitutto,collegaretuttiicavialleunità.

3.Collegareicavidisegnaleaiconnettori.

4.Collegareicavidialimentazioneallapresa.

5.Accenderel'unità.

1.SPEGNEREleapparecchiature.

2.Innanzitutto,rimuovereicavidialimentazionedalla presa.

3.Rimuovereicavidisegnaledaiconnettori.

4.Rimuoveretuttiicavidalleunità.

ATTENZIONE:

Quandosisostituiscelabatteriaallitio,utilizzaresoloilNumeroparte45C1566ountipodibatteria equivalenteconsigliatodalproduttore.Sesulsistemaèpresenteunmodulochecontieneunabatteria allitio,sostituirlosoloconuntipodimodulodellostessotipodellastessacasadiproduzione.La batteriacontienelitioepuòesplodereseusata,maneggiataosmaltitainmodononcorretto.

Non:

•Gettareoimmergerelabatterianell'acqua

•Riscaldarlaadunatemperaturasuperioreai100gradiC(212gradiF)

•Smontarla,ricaricarlaotentarediripararla

Lebatterieusatevannosmaltiteinaccordoallanormativainvigore(DPR915/82esuccessive disposizioniedisposizionilocali).

22LenovoH520eHardwareMaintenanceManual

ATTENZIONE:

Quandovengonoinstallatiprodottilaser(qualiCD-ROM,unitàDVD-ROM,unitàaﬁbreotticheo trasmittenti),tenerpresentequantosegue:

•Nonrimuovereglisportelli.L'aperturadiun'unitàlaserpuòdeterminarel'esposizionearadiazioni

laserpericolose.All'internodell'unitànonvisonopartisucuieffettuarel'assistenzatecnica.

•L'utilizzodicontrolli,regolazioniol'esecuzionediprocedurenondescrittinelpresentemanuale

possonoprovocarel'esposizionearadiazionipericolose.

PERICOLO

AlcuneunitàlasercontengonoundiodolaserdiClasse3AoClasse3B.Tenerpresentequantosegue:

Aprendol'unitàvengonoemesseradiazionilaser.Nonﬁssareilfascio,nonguardarlodirettamente construmentiotticiedevitarel'esposizionealfascio.

≥18kg≥32kg≥55kg

ATTENZIONE:

Prestareattenzionenelsollevarel'apparecchiatura.

ATTENZIONE:

Ilpulsantedicontrollodell'alimentazionepresentesull'unitàel'interruttoredell'alimentatorenon disattivanol'alimentazionecorrentefornitaall'unità.E'possibilechel'unitàdispongadipiùcavidi alimentazione.Perdisattivarel'alimentazionedall'unità,accertarsichetuttiicavidialimentazione sianoscollegatidallafontedialimentazione.

Chapter2.Safetyinformation23

24LenovoH520eHardwareMaintenanceManual

PELIGRO

Lacorrienteeléctricaprocedentedecablesdealimentación,teléfonosycablesdecomunicaciónpuede serpeligrosa.

Paraevitarelriesgodedescargaeléctrica:

•Noconectenidesconecteloscablesnirealiceningunatareadeinstalación,mantenimientoo

reconﬁguracióndeesteproductoduranteunatormentaeléctrica.

•Conectetodosloscablesdealimentaciónatomasdecorrientedebidamentecableadasy

conectadasatierra.

•Cualquierequipoqueseconecteaesteproductotambiéndebeconectarseatomasdecorriente

debidamentecableadas.

•Siemprequeseaposible,utiliceunasolamanoparaconectarodesconectarloscablesdeseñal.

Chapter2.Safetyinformation25

•Noenciendanuncaunequipocuandohayseñalesdefuego,aguaodañosestructurales.

•Desconecteloscablesdealimentación,lossistemasdetelecomunicaciones,lasredesylos

módemsconectadosantesdeabrirlascubiertasdelosdispositivos,amenosqueseindiquelo contrarioenlosprocedimientosdeinstalaciónyconﬁguración.

•Conecteydesconecteloscables,comosedescribeenlatablasiguiente,cuandoinstale,muevao

abralascubiertasdeesteproductoodelosdispositivosconectados.

ParaconectarParadesconectar

1.APÁGUELOtodo.

2.Enprimerlugar,conectetodosloscablesalos dispositivos.

3.Conecteloscablesdeseñalalosconectores.

4.Enchufeloscablesdealimentaciónalastomasde corriente.

5.Enciendaeldispositivo.

1.APÁGUELOtodo.

2.Enprimerlugar,desenchufeloscablesdealimentación delastomasdecorriente.

3.Desconecteloscablesdeseñaldelosconectores.

4.Desconectetodosloscablesdelosdispositivos.

PRECAUCIÓN:

Cuandosustituyaunabateríadelitio,utilicesolamenteunabateríanúmerodepieza45C1566uotra detipoequivalenterecomendadaporelfabricante.Sisusistemadisponedeunmóduloquecontiene unabateríadelitio,reemplácelosóloconelmismotipodemódulo,delmismofabricante.Labatería contienelitioypuedeexplotarsinoseutiliza,manipulaodesechacorrectamente.

Nodebe:

•Arrojarlaalaguaosumergirlaenella

•Exponerlaatemperaturassuperioresa100°C(212°F)

•Repararlaodesmontarla

Deshágasedelabateríasegúnespeciﬁquenlasleyesonormaslocales.

PRECAUCIÓN:

Cuandohayaproductosláser(comounidadesdeCD-ROM,unidadesdeDVD,dispositivosdeﬁbra ópticaotransmisores)instalados,tengaencuentalosiguiente:

•Noquitelascubiertas.Siquitalascubiertasdelproductoláser,podríaquedarexpuestoaradiación

láserpeligrosa.Dentrodeldispositivonoexisteningunapiezaquerequieraserviciotécnico.

•Siusacontrolesoajustesorealizaprocedimientosquenoseanlosespeciﬁcadosaquí,podría

exponersearadiacionespeligrosas.

PELIGRO

26LenovoH520eHardwareMaintenanceManual

Algunosproductoslásertienenincorporadoundiodoláserdeclase3Aoclase3B.T engaencuentalo

Cuandoseabre,quedaexpuestoaradiaciónláser.Nomiredirectamentealrayoláser,nisiquieracon instrumentosópticos,yeviteexponersedirectamentealrayoláser.

≥18kg≥32kg≥55kg

PRECAUCIÓN:

Adopteprocedimientossegurosallevantarelequipo.

PRECAUCIÓN:

Elbotóndecontroldealimentacióndeldispositivoyelinterruptordealimentacióndelafuentede alimentaciónnodesconectanlacorrienteeléctricasuministradaaldispositivo.Además,eldispositivo podríatenermásdeuncabledealimentación.Parasuprimirtodalacorrienteeléctricadeldispositivo, asegúresedequetodosloscablesdealimentaciónesténdesconectadosdelatomadecorriente.

Chapter2.Safetyinformation27

28LenovoH520eHardwareMaintenanceManual

Chapter3.Generalinformation

Thischapterprovidesgeneralinformationthatappliestoallmachinetypessupportedbythismanual.

Speciﬁcations

Thissectionliststhephysicalspeciﬁcationsforyourcomputer.

Dimensions

Width:160mm(6.3inches) Height:375.3mm(14.78inches) Depth:422.5mm(16.63inches)

Weight

Maximumconﬁgurationasshipped:6.8kg(15.0lb)(withoutpackage) Maximumconﬁgurationasshipped:7.8kg(17.2lb)(withpackage)

Environment

•Airtemperature:

Operating:10°Cto35°C(50°Fto95°F) Non-operating:-40°Cto60°C(-40°Fto140°F) Non-operating:-10°Cto60°C(14°Fto140°F)(withoutpackage)

•Humidity:

Operating:20%to80%(non-condensing) Non-operating:20%to90%(non-condensing)

•Altitude:

Operating:-15.2to3048m(-50to10000ft) Non-operating:-15.2to10668m(-50to35000ft)

Electricalinput

•Inputvoltage: –Lowrange:

Minimum:100Vac Maximum:127Vac Inputfrequencyrange:50/60Hz Voltage-selectionswitchsetting:115Vac

–Highrange:

Minimum:200Vac Maximum:240Vac Inputfrequencyrange:50/60Hz Voltage-selectionswitchsetting:230Vac

©CopyrightLenovo2013

LenovoSupportWebsite

TechnicalsupportinformationisavailableontheLenovoSupportWebsiteat: http://www.lenovo.com/support

ThisWebsiteisupdatedwiththelatestsupportinformationsuchasthefollowing:

•Driversandsoftware

•Diagnosticsolutions

•Productandservicewarranty

•Productandpartsdetails

•Userguidesandmanuals

•Knowledgebaseandfrequentlyaskedquestions

30LenovoH520eHardwareMaintenanceManual

Chapter4.Generalcheckout

Attention

Thedrivesinthecomputeryouareservicingmighthavebeenrearrangedorthedrivestartupsequencemight havebeenchanged.Beextremelycarefulduringwriteoperationssuchascopying,saving,orformatting. Dataorprogramscanbeoverwrittenifyouselectanincorrectdrive.

Generalerrormessagesappearifaproblemorconﬂictisfoundbyanapplicationprogram,theoperating system,orboth.Fortheexplanationofthesemessages,refertotheinformationsuppliedwiththatsoftware package.

BeforereplacingaFRU,ensurethatthelatestlevelofBIOSisinstalledonthesystem.Adown-levelBIOS mightcausefalseerrorsandunnecessaryreplacementofthesystemboard.Formoreinformationonhowto determineandobtainthelatestlevelBIOS,see“BIOSlevels”onpage97

Usethefollowingproceduretohelpdeterminethecauseofaproblem:

1.Power-offthecomputerandallexternaldevices.

2.Checkallcablesandpowercords.

3.Setalldisplaycontrolstothemiddleposition.

4.Power-onallexternaldevices.

5.Power-onthecomputer.

•Lookfordisplayederrorcodes

•Listenforbeepcodes

•Lookforreadableinstructionsoramainmenuonthedisplay. Ifyoudidnotreceivethecorrectresponse,proceedtostep6.

Ifyoudoreceivethecorrectresponse,proceedtostep7.

6.Lookatthefollowingconditionsandfollowtheinstructions:

•IfyouhearbeepcodesduringPOST,goto“Beepsymptoms”onpage59.

•IfthecomputerdisplaysaPOSTerror,goto“POSTerrorcodes”onpage60.

•Ifthecomputerhangsandnoerrorisdisplayed,turnoffthecomputerandthepower.Then,turnthe powerandthecomputerbackon,continueatstep7.

7.RuntheDiagnosticprograms.See“Diagnostics”onpage51.

•Ifyoureceiveanerror,replacethepartthatthediagnosticprogramcallsout.

•Iftheteststopsandyoucannotcontinue,replacethelastdevicetested.

Problemdeterminationtips

Duetothevarietyofhardwareandsoftwarecombinationsthatcanbeencountered,usethefollowing informationtoassistyouinproblemdetermination.Ifpossible,havethisinformationavailablewhen requestingassistancefromServiceSupportandEngineeringfunctions.

•Machinetypeandmodel

•Processororharddiskdriveupgrades

•Failuresymptom –Dodiagnosticsindicateafailure?

–What,when,where,single,ormultiplesystems? –Isthefailurerepeatable?

©CopyrightLenovo2013

–Hasthisconﬁgurationeverworked? –Ifithasbeenworking,whatchangesweremadepriortoitfailing? –Isthistheoriginalreportedfailure?

•Diagnosticsversion –Typeandversionlevel

•Hardwareconﬁguration –Print(printscreen)conﬁgurationcurrentlyinuse

–BIOSlevel

•Operatingsystemsoftware –Typeandversionlevel

Note:Toeliminateconfusion,identicalsystemsareconsideredidenticalonlyifthey:

1.Aretheexactmachinetypeandmodels

2.HavethesameBIOSlevel

3.Havethesameadapters/attachmentsinthesamelocations

4.Havethesameaddressjumpers/terminators/cabling

5.Havethesamesoftwareversionsandlevels

6.Havethesamediagnosticdiskettes(version)

7.Havethesameconﬁgurationoptionssetinthesystem

8.Havethesamesetupforoperating-system-controlledﬁles

Comparingtheconﬁgurationandsoftwareset-upbetween“workingandnon-working”systemswilloften leadtoproblemresolution.

32LenovoH520eHardwareMaintenanceManual

Chapter5.Troubleshootinganddiagnostics

Thischapterdescribessomebasictroubleshootinganddiagnosticprograms.Ifyourcomputerproblemis notdescribedhere,see“LenovoSupportWebsite”onpage30foradditionaltroubleshootingresources.

Basictroubleshooting

Thefollowingtableprovidesinformationtohelpyoutroubleshootyourcomputerproblems.

Note:Ifyoucannotcorrecttheproblem,havethecomputerserviced.Foralistofserviceandsupport telephonenumbers,refertotheSafety,Warranty,andSetupGuidethatcomeswithyourcomputerorgoto theLenovoSupportWebsiteathttp://www.lenovo.com/support/phone.

SymptomAction

Thecomputerdoesnotstart whenyoupressthepower switch.

Themonitorscreenisblank.

Thekeyboarddoesnotwork.

Themousedoesnotwork.

Verifythat:

•Thepowercordiscorrectlyconnectedtotherearofthecomputerandtoa workingelectricaloutlet.

•Ifyourcomputerhasasecondarypowerswitchontherearofthecomputer, makesurethatitisswitchedon.

•Thepowerindicatoronthefrontofthecomputerison.

•Thecomputervoltagematchesthevoltageavailableattheelectricaloutletfor yourcountryorregion.

Verifythat:

•Themonitorsignalcableiscorrectlyconnectedtothemonitorandtothe appropriatemonitorconnectoronthecomputer.

•Themonitorpowercordiscorrectlyconnectedtothemonitorandtoaworking electricaloutlet.

•Themonitoristurnedonandthebrightnessandcontrastcontrolsareset correctly.

•Thecomputervoltagematchesthevoltageavailableattheelectricaloutletfor yourcountryorregion.

•Ifyourcomputerhastwomonitorconnectors,besuretousetheconnector onthegraphicscard.

Verifythat:

•Thecomputeristurnedon.

•ThekeyboardissecurelyconnectedtoaUSBconnectoronthecomputer.

•Nokeysarestuck.

Verifythat:

•Thecomputeristurnedon.

•ThemouseissecurelyconnectedtoaUSBconnectoronthecomputer.

•Themouseisclean.

©CopyrightLenovo2013

SymptomAction

Theoperatingsystemdoesnot start.

Thecomputerbeepsmultiple timesbeforetheoperating systemstarts.

Verifythat:

•Thestartupsequenceincludesthedevicewheretheoperatingsystemresides. Usually,theoperatingsystemisontheharddiskdrive.Formoreinformation, see“Selectingastartupdevice”onpage55

Verifythatnokeysarestuck.

AccessingControlPanelontheWindows8operatingsystem

OntheWindowsoperatingsystem,youcanviewandchangecomputersettingsthroughControlPanel.To accessControlPanelontheWindows8operatingsystem,dooneofthefollowing:

•Fromthedesktop

1.Movethecursortothetop-rightorbottom-rightcornerofthescreentodisplaythecharms.

2.ClickSettings.

3.ClickControlPanel.

•FromtheStartscreen

1.Movethecursortothetop-rightorbottom-rightcornerofthescreentodisplaythecharms.

2.ClickSearch.

3.OntheAppsscreen,scrolltotherightside,andclickControlPanelintheWindowsSystemsection.

Troubleshootingprocedure

Usethefollowingprocedureasastartingpointfordiagnosingproblemsyouareexperiencingwithyour computer:

1.Verifythatthecablesforallattacheddevicesareconnectedcorrectlyandsecurely.

2.Verifythatallattacheddevicesthatrequireacpowerareconnectedtoproperlygrounded,functioning electricaloutlets.

3.VerifythatallattacheddevicesareenabledintheBIOSsettingsofyourcomputer.Formoreinformation aboutaccessingandchangingtheBIOSsettings,refertoyourChapter6“UsingtheSetupUtility program”onpage53

4.Gotothe“T roubleshooting”onpage35andfollowtheinstructionsforthetypeofproblemyouare experiencing.IftheTroubleshootinginformationdoesnothelpyouresolveaproblem,continuewiththe nextstep.

5.T ryusingapreviouslycapturedconﬁgurationtoseeifarecentchangetohardwareorsoftwaresettings hascausedaproblem.Beforerestoringapreviousconﬁguration,captureyourcurrentconﬁgurationin casetheolderconﬁgurationsettingsdonotsolvetheproblemorhaveadverseaffects.Torestorea capturedconﬁguration,dothefollowing:

•ForWindows7:ClickStart➙ControlPanel➙SystemandSecurity➙System➙System

Protection➙SystemRestore.

•ForWindows8:OpenControlPanel,andthenclickSystemandSecurity➙System➙System

Protection➙SystemRestore.

Ifthisdoesnotcorrecttheproblem,continuewiththenextstep.

6.Runthediagnosticprogram.See“LenovoSolutionCenter”onpage51formoreinformation.

•Ifthediagnosticprogramdetectsahardwarefailure,contacttheLenovoCustomerSupportCenter.

See“LenovoSupportWebsite”onpage30

formoreinformation.

34LenovoH520eHardwareMaintenanceManual

•Ifyouareunabletorunthediagnosticprogram,contacttheLenovoCustomerSupportCenter.See “LenovoSupportWebsite”onpage30

•Ifthediagnosticprogramdoesnotdetectahardwarefailure,continuewiththenextstep.

7.Useanantivirusprogramtoseeifyourcomputerhasbeeninfectedbyavirus.Iftheprogramdetectsa virus,removethevirus.

8.Ifnoneoftheseactionssolvetheproblem,seektechnicalassistance.See“LenovoSupportWeb site”onpage30formoreinformation.

formoreinformation.

Troubleshooting

Usethetroubleshootinginformationtoﬁndsolutionstoproblemsthathavedeﬁnitesymptoms.

Ifthesymptomyourcomputerisexperiencingoccurredimmediatelyafteryouinstalledanewhardware optionornewsoftware,dothefollowingbeforereferringtothetroubleshootinginformation:

1.Removethenewhardwareoptionorsoftware.Ifyoumustremovethecomputercovertoremovea hardwareoption,makesureyoureviewandfollowtheelectricalsafetyinformationprovidedwithyour computer.Foryoursafety,donotoperatethecomputerwiththecoverremoved.

2.Runthediagnosticprogramstoensureyourcomputerisoperatingcorrectly.

3.Reinstallthenewhardwareoptionorsoftwarefollowingthemanufacturer'sinstructions.

Selecttheproblemyourcomputerisexperiencingfromthefollowinglist:

•“Audioproblems”onpage35

•“CDproblems”onpage37

•“DVDproblems”onpage38

•“Intermittentproblems”onpage39

•“Harddiskdriveproblems”onpage39

•“Keyboard,mouse,orpointingdeviceproblems”onpage40

•“Monitorproblems”onpage42

•“Networkingproblems”onpage43

•“Optionproblems”onpage46

•“Performanceandlockupproblems”onpage47

•“Printerproblems”onpage49

•“Serialportproblems”onpage49

•“Softwareproblems”onpage50

•“USBproblems”onpage51

Audioproblems

Selectyoursymptomfromthefollowinglist:

•“NoaudioinWindows”onpage36

•“AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitisinsertedintoadrive” onpage36

•“Soundcomesfromoneexternalspeakeronly”onpage36

•“NoaudioinDOSapplicationsorgames”onpage36

Chapter5.Troubleshootinganddiagnostics35

NoaudioinWindows

Symptom:NoaudioinWindows

Actions:

•IfyouareusingpoweredexternalspeakersthathaveanOn/Offcontrol,verifythattheOn/Offcontrolis settotheOnpositionandthespeakerpowercableisconnectedtoaproperlygrounded,functionalac electricaloutlet.

•Ifyourexternalspeakershaveavolumecontrol,verifythatthevolumecontrolisnotsettoolow.

•Double-clickthespeakericonintheWindowsnotiﬁcationarea.Amastervolume-controlwindowopens. VerifythattheMutesettingsarenotcheckedandnoneofthevolumesettingsissettoolow.

•Verifythatyourexternalspeakers(andheadphones,ifused)areconnectedtothecorrectaudioconnector onthecomputer.Mostspeakercablesarecolor-codedtomatchtheconnector.

Note:Whenexternal-speakerorheadphonecablesareattachedtotheaudioconnector,theinternal speaker,ifpresent,isdisabled.Inmostcases,ifanaudioadapterisinstalledinoneoftheexpansionslots, theaudiofunctionbuiltintothesystemboardisdisabled;usetheaudiojacksontheadapter.

•MakesurethattheprogramyouarerunningisdesignedforuseintheMicrosoftWindowsoperating system.IftheprogramisdesignedtoruninDOS,theprogramdoesnotusetheWindowssoundfeature andmustbeconﬁguredtouseSoundBlasterProorSoundBlasteremulation.

•Verifythattheaudiodevicedriversarecorrectlyinstalled.SeeMicrosoftWindowshelpsystemfor moreinformation.

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on page51forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage30.

AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitis insertedintoadrive

Symptom:AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitisinsertedintoadrive

Action:See“CDproblems”onpage37.

Soundcomesfromoneexternalspeakeronly

Symptom:Soundcomesfromoneexternalspeakeronly.

Actions:

•Ensurethatthespeakercableisinsertedcompletelyintotheconnectoronthecomputer.

•Makesurethecablethatattachestheleftspeakertotherightspeakerissecurelyconnected.

•Double-clickthespeakericonintheWindowsnotiﬁcationarea.Amastervolume-controlwindowopens. VerifythattheBalancesettingsaresetcorrectly.

Iftheseactionsdonotcorrecttheproblem,youmighthaveafailingspeaker.Havethespeakerserviced.If youneedtechnicalassistance,see“LenovoSupportWebsite”onpage30

NoaudioinDOSapplicationsorgames

Symptom:NoaudioinDOSapplicationsorgames

Actions:

•MakesuretheDOSapplicationorgameisconﬁguredtouseSoundBlasterProorSoundBlaster emulation.Refertothedocumentationthatcomeswiththeapplicationorgameforinstructionson settingsound-cardsettings.

36LenovoH520eHardwareMaintenanceManual

•Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on page51

forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage30.

CDproblems

Selectyoursymptomfromthefollowinglist:

•“AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitisinsertedintoaCD drive”onpage37

•“ACDorDVDdoesnotwork”onpage37

•“Unabletouseastartable(bootable)recoverymedium,suchastheProductRecoveryCD,tostart yourcomputer”onpage37

AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitis insertedintoaCDdrive

Symptom:AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitisinsertedinto aCDdrive.

Actions:

•IfyouhavemultipleCDorDVDdrivesinstalled(oracombinationofCDandDVDdrives),tryinsertingthe discintotheotherdrive.Insomecases,onlyoneofthedrivesisconnectedtotheaudiosubsystem.

•IfyouareusingtheWindows7operatingsystem,followtheactionfor“ACDorDVDdoesnotwork” onpage37

Ifthisdoesnotcorrecttheproblem,followtheactionfor“ACDorDVDdoesnotwork”onpage37

ACDorDVDdoesnotwork

Symptom:ACDorDVDdoesnotwork.

Actions:

•Verifythatthediscisinsertedcorrectly,withitslabelup.

•Makesurethatthediscyouareusingisclean.Toremovedustorﬁngerprints,wipethedisccleanwitha softclothfromthecentertotheoutside.Wipingadiscinacircularmotionmightcauselossofdata.

•Verifythatthediscyouareusingisnotscratchedordamaged.Tryinsertinganotherdiscthatyouknow isgood.Ifyoucannotreadfromaknown-gooddisc,youmighthaveaproblemwithyourCDorDVD driveorthecablingtoyourCDorDVDdrive.Makesurethatthepowercableandsignalcableare securelyconnectedtothedrive.

Unabletouseastartable(bootable)recoverymedium,suchastheProductRecovery CD,tostartyourcomputer

Symptom:Unabletouseastartable(bootable)recoverymedium,suchastheProductRecoveryCD, tostartyourcomputer.

Action:MakesurethattheCDorDVDdriveisinthestartupsequencebeforetheharddiskdrive.Refer toyour“Selectingorchangingthestartupdevicesequence”onpage56 changingthestartupsequence.Notethatonsomemodelsthestartupsequenceispermanentlysetand cannotbechanged.

forinformationonviewingand

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on page51

forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage30.

Chapter5.Troubleshootinganddiagnostics37

DVDproblems

Selectyoursymptomfromthefollowinglist:

•“BlackscreeninsteadofDVDvideo”onpage38

•“DVDmoviewillnotplay”onpage38

•“NoaudioorintermittentaudiowhileplayingDVDmovie”onpage38

•“Playbackisverysloworchoppy”onpage38

•“Invaliddiscornodiscfoundmessage”onpage39

BlackscreeninsteadofDVDvideo

Symptom:BlackscreeninsteadofDVDvideo

Actions:

•RestarttheDVDplayerprogram.

•Closeanyopenﬁles,turnoffthecomputer,andthenrestartthecomputer.

•Tryalowerscreenresolutionorcolordepth.

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on page51

DVDmoviewillnotplay

Symptom:DVDmoviewillnotplay.

forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage30.

Actions:

•Makesurethatthediscsurfaceiscleanandnotscratched.

•Checkthediscorpackageforregionalcoding.Youmightneedtopurchaseadiscwithcodingfor theregionwhereyouareusingyourcomputer.

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on page51

forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage30.

NoaudioorintermittentaudiowhileplayingDVDmovie

Symptom:NoaudioorintermittentaudiowhileplayingDVDmovie.

Actions:

•Checkthevolumecontrolsettingsonyourcomputerandonyourspeakers.

•Makesurethatthediscsurfaceiscleanandnotscratched.

•Checkallcableconnectionstoandfromthespeakers.

•UsetheDVDmenuforthevideotoselectadifferentaudiotrack.

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on page51

forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage30.

Playbackisverysloworchoppy

Symptom:Playbackisverysloworchoppy.

Actions:

•Disableanybackgroundprograms,suchasAntiVirusorDesktopThemes.

38LenovoH520eHardwareMaintenanceManual

•Ensurethatvideoresolutionissettolessthan1152x864.

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on page51forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage30.

Invaliddiscornodiscfoundmessage

Symptom:Invaliddiscornodiscfoundmessage

Actions:

•EnsurethataDVDdiscisinthedrivewiththeshinysideofthediscfacingdown.

•Ensurethatvideoresolutionissettolessthan1152x864.

•OncomputersthathaveaCD-ROMorCD-RWdriveinadditiontoaDVD-ROMdrive,makesurethatthe DVDdiscisinthedrivelabeled“DVD”.

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on page51forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage30.

Intermittentproblems

Symptom:Aproblemoccursonlyoccasionallyandisdifﬁculttorepeat.

Actions:

•Verifythatallcablesandcordsaresecurelyconnectedtothecomputerandattacheddevices.

•Verifythatwhenthecomputerison,thefangrillisnotblocked(thereisairﬂowaroundthegrill),andthe fansareworking.Ifairﬂowisblockedorthefansarenotworking,thecomputermightoverheat.

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on page51

forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage30.

Harddiskdriveproblems

Selectyoursymptomfromthefollowinglist:

•“SomeorallharddiskdrivesmissingfromtheSetupUtilityprogram”onpage39

•“"NoOperatingSystemFound"messageorthesystemnotstartingfromthecorrectharddiskdrive” onpage40

SomeorallharddiskdrivesmissingfromtheSetupUtilityprogram

Symptom:SomeorallharddiskdrivesmissingfromtheSetupUtilityprogram

Actions:

•Ensurethatallharddiskdrivesignalcablesandpowercablesareconnectedcorrectly.

•Ensurethatyourcomputerisconﬁguredcorrectlytosupporttheharddiskdrives. –IfyourcomputerisinstalledwithﬁveSATAharddiskdrives,ensurethattheSATAharddiskdrive

enablementmodule(onetoﬁveharddiskdrives)isinstalled.

–IfyourcomputerisinstalledwithSASharddiskdrives,ensurethattheSASharddiskdriveenablement

module(onetoﬁveharddiskdrives)ortheLSIMegaRAIDSASadapterisinstalled.

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprogramLenovoSolutionCenter.See“Lenovo SolutionCenter”onpage51

.Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage30.

Chapter5.Troubleshootinganddiagnostics39

"NoOperatingSystemFound"messageorthesystemnotstartingfromthecorrect harddiskdrive

Symptom:"NoOperatingSystemFound"messageorthesystemnotstartingfromthecorrectharddiskdrive

Actions:

•Ensurethatallharddiskdrivesignalcablesandpowercablesareconnectedcorrectly.

•EnsurethattheharddiskdriveyourcomputerstartsfromislistedastheﬁrststartupdeviceintheSetup Utilityprogram.Referto“Selectingastartupdevice”onpage55.

Note:Inrarecases,theharddiskdrivewiththeoperatingsystemmightgetcorruptedordamaged.Insuch cases,youmightneedtoreplacetheharddiskdrive.

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprogramLenovoSolutionCenter.See“Lenovo SolutionCenter”onpage51.Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage30.

Keyboard,mouse,orpointingdeviceproblems

Selectyoursymptomfromthefollowinglist:

•“Allorsomekeysonthekeyboarddonotwork”onpage40

•“Themouseorpointingdevicedoesnotwork”onpage41

•“Thepointeronthescreendoesnotmovesmoothlywiththemouse”onpage41

•“Thewirelesskeyboarddoesnotwork”onpage41

Allorsomekeysonthekeyboarddonotwork

Symptom:Allorsomekeysonthekeyboarddonotwork.

Actions:

•Verifythatthekeyboardcableissecurelyconnectedtothecorrectconnectoronthecomputer.

•IfyouareusinganEnhancedPerformanceUSBkeyboardandoneormoreoftheRapidAccessbuttons aretheonlykeysthatarenotworking,thesebuttonsmighthavebeendisabledorhavenotbeenassigned toafunction.UsethehelpsystemintheEnhancedPerformanceCustomizationKeyboardprogramto helpdiagnoseproblemswiththeRapidAccessbuttons.

ToopentheEnhancedPerformanceCustomizationKeyboardprogram,dooneofthefollowing: –OntheWindows7operatingsystem,dothefollowing:

1.ClickStart➙ControlPanel.

2.ClickHardwareandSound.

3.ClickDevicesandPrinters.

4.Double-clickUSBEnhancedPerformanceKeyboard.TheUSBEnhancedPerformance KeyboardCustomizationprogramstarts.

–OntheWindows8operatingsystem,dothefollowing:

1.OpenControlPanel.

2.ClickHardwareandSound.

3.ClickDevicesandPrinters.

4.Double-clickUSBEnhancedPerformanceKeyboard.TheUSBEnhancedPerformance KeyboardCustomizationprogramstarts.

40LenovoH520eHardwareMaintenanceManual

Iftheseactionsdonotcorrecttheproblem,havethecomputerandkeyboardserviced.See“Lenovo SupportWebsite”onpage30

fordetails.

Themouseorpointingdevicedoesnotwork

Symptom:Themouseorpointingdevicedoesnotwork.

Actions:

•Verifythatthemouseorpointing-devicecableissecurelyattachedtothecorrectconnectoronthe computer.Dependingonthetypeofmouseyouhave,themousecablewillconnecttoeitherthe mouse,serial,orUSBconnector.SomekeyboardshaveintegratedUSBconnectorsthatcanbeused foraUSBmouseorpointingdevice.

•Verifythatthedevicedriversforthemouseorpointingdeviceareinstalledcorrectly.

•IfyouareusingaUSBkeyboardormouse,verifythattheUSBconnectorsareenabledintheBIOS settings.See“Enablingordisablingadevice”onpage55.

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on page51

forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage30.

Thepointeronthescreendoesnotmovesmoothlywiththemouse

Symptom:Thepointeronthescreendoesnotmovesmoothlywiththemouse.

Action:Erraticmovementofthemousepointerisgenerallycausedbyabuildupofdirt,oils,andother contaminantsontheballinsidethemouse.Cleanthemouse.

Theﬁngerprintreaderdoesnotwork

Symptom:Theﬁngerprintreaderdoesnotwork.

Action:Thefollowingcouldcausetheﬁngerprintreadernottooperateproperly:

•Notenrollingyourﬁngerprintcorrectly.

•Scratchingthesurfaceofthereaderwithahard,pointedobject.

•Scrapingthesurfaceofthereaderwithyournailoranythinghard.

•Usingortouchingthereaderwithadirtyﬁnger.

•Thesurfaceofyourﬁngerisverydifferentfromwhenyouenrolledyourﬁngerprint.

Thewirelesskeyboarddoesnotwork

Symptom:Thewirelesskeyboarddoesnotwork.

Action:IftheTransceiverCommunicationsLEDisonandthewirelessKeyboarddoesnotwork,restartyour computer.Ifrestartingyourcomputerdoesnotsolvetheproblem,verifythatthefollowingconditionsaremet:

•Thebatteriesareproperlyinstalled.

•Thebatteriesstillretaintheircurrent.

•ThewirelessKeyboardislocatedlessthantenmetersawayfromthetransceiver.

•Thetransceiverisfullyinstalled.

Action:IftheTransceiverCommunicationsLEDisnoton,reconnectthetransceiverandthekeyboard.

Chapter5.Troubleshootinganddiagnostics41

Monitorproblems

Note:Manymonitorshavestatus-indicatorlightsandbuilt-incontrolsforadjustingbrightness,contrast,

width,height,andotherpictureadjustments.However,thecontrolsvaryfrommonitortypetomonitortype. Forinformationaboutthestatuslightsandusingthecontrols,refertothedocumentationthatcomes withyourmonitor.

Selectyoursymptomfromthefollowinglist:

•“Wrongcharactersappearonthescreen”onpage42

•“Themonitorworkswhenyouturnonthecomputer,butgoesblankaftersomeperiodofcomputer inactivity”onpage42

•“Themonitorworkswhenyouturnonthecomputer,butgoesblankwhenyoustartsomeapplication programs”onpage42

•“Theimageappearstobeﬂickering”onpage42

•“Theimageisdiscolored”onpage43

Wrongcharactersappearonthescreen

Symptom:Wrongcharactersappearonthescreen.

Action:Havethecomputerserviced.Fordetails,see“LenovoSupportWebsite”onpage30

Themonitorworkswhenyouturnonthecomputer,butgoesblankaftersomeperiod ofcomputerinactivity

Symptom:Themonitorworkswhenyouturnonthecomputer,butgoesblankaftersomeperiodofcomputer inactivity.

Action:Thecomputerisprobablysetforenergysavingswiththepower-managementfeature.Ifthe power-managementfeatureisenabled,disablingitorchangingthesettingsmightsolvetheproblem.

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on page51forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage30.

Themonitorworkswhenyouturnonthecomputer,butgoesblankwhenyoustart someapplicationprograms

Symptom:Themonitorworkswhenyouturnonthecomputer,butgoesblankwhenyoustartsome applicationprograms.

Actions:

•Makesurethemonitorsignalcableissecurelyconnectedtothemonitorandthemonitorconnectoron thecomputer.Aloosecablecancauseintermittentproblems.

•Verifythatthenecessarydevicedriversfortheapplicationprogramsareinstalled.Refertothe documentationfortheaffectedapplicationprogramtoseeifdevicedriversarerequired.

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on page51forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage30.

Theimageappearstobeﬂickering

Symptom:Theimageappearstobeﬂickering.

Actions:

42LenovoH520eHardwareMaintenanceManual

•Themonitormightbeoperatinginalow-refreshratedisplaymode.Setthemonitortothehighest, noninterlacedrefreshratesupportedbyyourmonitorandthevideocontrollerinyourcomputer.

Attention:Usingaresolutionorrefreshratethatisnotsupportedbyyourmonitormightdamageit. Checkthedocumentationthatcomeswithyourmonitortoverifythesupportedrefreshrates.

•Themonitormightbeaffectedbyinterferencefromnearbyequipment.Magneticﬁeldsaroundother devices,suchastransformers,appliances,ﬂuorescentlights,andothermonitorsmightbecausingthe problem.Moveﬂuorescentdesklightingoranyequipmentthatproducesmagneticﬁeldsfartheraway fromthemonitor.Ifthisdoesnotcorrecttheproblem,dothefollowing:

1.T urnoffthemonitor.(Movingacolormonitorwhileitisturnedonmightcausescreendiscoloration.)

2.Adjusttheplacementofthemonitorandotherdevicessothattheyareatleast305mm(12inches) apart.

3.T urnonthemonitor.

•YoucanresettherefreshratethroughyouroperatingsystemControlPanel: OntheWindows7operatingsystem,clickStart➙ControlPanel➙HardwareandSound➙Adjust

screenresolution➙AdvancedSettings.ThenclicktheMonitortabandselectanewrefreshrate. OntheWindows8operatingsystem,openControlPanelandclickHardwareandSound➙Adjust

screenresolution➙AdvancedSettings.ThenclicktheMonitortabandselectanewrefreshrate.

•Seeyouroperatingsystemdocumentationorhelpforfurtherinformationonmonitorsettings.

Iftheseactionsdonotcorrecttheproblem,yourmonitormightneedservice.See“LenovoSupportWeb site”onpage30fordetails.

Theimageisdiscolored

Symptom:Theimageisdiscolored.

Action:Themonitormightbeaffectedbyinterferencefromnearbyequipment.Magneticﬁeldsaroundother devices,suchastransformers,appliances,ﬂuorescentlights,andothermonitorsmightbecausingthe problem.Moveﬂuorescentdesklightingoranyequipmentthatproducesmagneticﬁeldsfurtherawayfrom themonitor.Ifthisdoesnotcorrecttheproblem,dothefollowing:

1.T urnoffthemonitor.(Movingacolormonitorwhileitisturnedonmightcausescreendiscoloration.)

2.Adjusttheplacementofthemonitorandotherdevicessothattheyareatleast305mm(12inches)apart.

3.T urnonthemonitor.

Iftheseactionsdonotcorrecttheproblem,yourmonitormightneedservice.See“LenovoSupportWeb site”onpage30fordetails.

Networkingproblems

Thefollowingarethemostcommonnetworkingproblems.Selectyournetworkingproblemfromthe followinglist:

•“Ethernetproblems”onpage43

Formoreinformation,see“LenovoSupportWebsite”onpage30.

Ethernetproblems

ForEthernetproblems,selectyoursymptomfromthefollowinglist:

•“Yourcomputercannotconnecttothenetwork”onpage44

•“Theadapterstopsworkingfornoapparentreason”onpage44

Chapter5.Troubleshootinganddiagnostics43

•“IfyourcomputerisaGigabitEthernetmodelandyouuseaspeedof1000Mbps,theconnectionfails orerrorsoccur”onpage45

•“IfyourcomputerisaGigabitEthernetmodel,itcannotconnecttothenetworkat1000Mbps.Instead, itconnectsat100Mbps”onpage45

Yourcomputercannotconnecttothenetwork

Symptom:Y ourcomputercannotconnecttothenetwork.

Actions:Ensurethat:

•Thecableisinstalledproperly. ThenetworkcablemustbesecurelyconnectedtoboththeEthernetconnectorofyourcomputerand

theRJ45connectorofthehub.Themaximumallowabledistancefromthecomputertohubis100 meters.Ifthecableisconnectedandthedistanceiswithinacceptablelimitsbuttheproblempersists,try adifferentcable.

•Thecableisinstalledproperly.

•Youareusingthecorrectdevicedriver. OntheWindows7operatingsystem,dothefollowing:

1.ClickStart➙ControlPanel.

2.ClickHardwareandSound.

3.ClickDeviceManager.Ifyouarepromptedforanadministratorpasswordorconﬁrmation,typethe passwordorprovideconﬁrmation.

4.IfanexclamationmarkisdisplayednexttoanadapternameunderNetworkadapters,youmight notbeusingthecorrectdriverorthedriverisnotenabled.T oupdatethedriver,right-clickthe highlightedadapter.

5.ClickUpdateDriverSoftware,andthenfollowtheinstructionsonthescreen.

OntheWindows8operatingsystem,dothefollowing:

1.OpenControlPanel.

2.ClickHardwareandSound.

3.ClickDeviceManager.Ifyouarepromptedforanadministratorpasswordorconﬁrmation,typethe passwordorprovideconﬁrmation.

4.IfanexclamationmarkisdisplayednexttoanadapternameunderNetworkadapters,youmight notbeusingthecorrectdriverorthedriverisnotenabled.T oupdatethedriver,right-clickthe highlightedadapter.

5.ClickUpdateDriverSoftware,andthenfollowtheinstructionsonthescreen.

•Theswitchportandtheadapterhavethesameduplexsetting. Ifyouconﬁguredtheadapterforfullduplex,ensurethattheswitchportisalsoconﬁguredforfullduplex.

Settingthewrongduplexmodecandegradeperformance,causedataloss,orresultinlostconnections.

•Youhaveinstalledallnetworkingsoftwarethatisnecessaryforyournetworkenvironment. CheckwithyourLANadministratorforthenecessarynetworkingsoftware.

Theadapterstopsworkingfornoapparentreason

Symptom:Theadapterstopsworkingfornoapparentreason.

Action:Thenetworkdriverﬁlesmaybecorruptormissing.Updatethedriverbyreferringtothe“Solution” descriptionfortheproceduretomakesurethatthecorrectdevicedriverisinstalled.

44LenovoH520eHardwareMaintenanceManual

TheWakeonLANfeatureisnotworking

Symptom:TheWakeonLAN(WOL)featureisnotworking.

Actions:

•MakesurethatWOLisenabledintheBIOSSetupUtilityprogram.

•Ifitis,checkwithyourLANadministratorforthenecessarysettings.

IfyourcomputerisaGigabitEthernetmodelandyouuseaspeedof1000Mbps,theconnection failsorerrorsoccur

Symptom:IfyourcomputerisaGigabitEthernetmodelandyouuseaspeedof1000Mbps,theconnection failsorerrorsoccur.

Actions:

•UseCategory5wiringandmakesurethatthenetworkcableissecurelyconnected.

•Connecttoa1000BASE-Thub/switch(not1000BASE-X).

IfyourcomputerisaGigabitEthernetmodel,itcannotconnecttothenetworkat1000Mbps.Instead, itconnectsat100Mbps

Symptom:IfyourcomputerisaGigabitEthernetmodel,itcannotconnecttothenetworkat1000Mbps. Instead,itconnectsat100Mbps.

Actions:

•Tryanothercable.

•Makesurethatthelinkpartnerissettoauto-negotiate.

•Makesurethattheswitchis802.3ab-compliant(gigabitovercopper).

AwirelessLANproblem

Symptom:Youcannotconnectusingthebuilt-inwirelessnetworkingcard.

Actions:

•MakesurethatyourwirelessLANdriveristhelatestversion.ChecktheWebsiteandverifythedriver versionsupportedbyAccessConnectionsisthelatestdocumentedinthereadmeﬁle.

•Makesurethatyourcomputeriswithinrangeofawirelessaccesspoint.

•Makesurethatthewirelessradioisenabledbydouble-clickingtheAccessConnectionsiconinthe Windowsnotiﬁcationarea.

Note:OntheWindows7operatingsystem,clickShowhiddeniconsintheWindowsnotiﬁcation area.TheAccessConnectionsiconisdisplayed.Formoreinformationabouttheicon,seetheHelpin AccessConnections.

•CheckNetworkName(SSID),andyourencryptioninformation.UseAccessConnectionstoverifythis case-sensitiveinformation.

AwirelessWANproblem

Message:UnauthorizedWANcardispluggedin-PoweroffandremovetheWANcard.

Action:TheWANcardisnotsupportedonthiscomputer.Removeit.

Note:SomecomputermodelsdonothaveawirelessWAN.

Chapter5.Troubleshootinganddiagnostics45

Bluetoothproblems

ForBluetoothproblems,selectyoursymptomfromthefollowinglist:

•“SounddoesnotcomefromtheBluetoothheadphone”onpage46

•“PIMitemssentfromtheWindows7operatingsystemcannotbereceivedcorrectly”onpage46

SounddoesnotcomefromtheBluetoothheadphone

Symptom:SounddoesnotcomefromtheBluetoothheadset/headphonebutcomesfromthelocalspeaker eventhoughtheheadset/headphoneisconnectedusingHeadsetproﬁleorAVproﬁle.

Action:Dothefollowing:

1.Exittheapplicationthatusesthesounddevice(forexample,WindowsMediaPlayer).

2.OpentheControlPanelbyclickingStart➙ControlPanel.

3.ClickHardwareandSound➙Sound.

4.SelectthePlaybacktab.

5.IfyouareusingHeadsetproﬁle,selectBluetoothHands-freeAudioandclicktheSetDefaultbutton.If youareusingAVproﬁle,selectStereoAudioandclicktheSetDefaultbutton.

6.ClickOKtoclosetheSoundwindow.

PIMitemssentfromtheWindows7operatingsystemcannotbereceivedcorrectly

Symptom:PersonalInformationManager(PIM)itemssentfromtheWindows7operatingsystemcannotbe receivedcorrectlyintotheaddressbookofanyotherBluetooth-enableddevice.

Action:TheWindows7operatingsystemsendsPIMitemsinXMLformat,butmostBluetooth-enabled deviceshandlePIMitemsinvCardformat.IfanotherBluetooth-enableddevicecanreceiveaﬁlethrough Bluetooth,aPIMitemsentfromtheWindows7operatingsystemmightbesavedasaﬁlewiththeextension .contact.

Optionproblems

UsethisinformationtodiagnoseproblemswithLenovohardwareoptionsthatdonothavetheirown troubleshootinginformation.

Selectyoursymptomfromthefollowinglist:

•“Anoptionthatwasjustinstalleddoesnotwork”onpage46

•“Anoptionthatpreviouslyworkeddoesnotworknow”onpage47

Anoptionthatwasjustinstalleddoesnotwork

Symptom:Anoptionthatwasjustinstalleddoesnotwork.

Action:Verifythat:

•Theoptionisdesignedforyourcomputer.

•Youfollowedtheinstallationinstructionssuppliedwiththeoptionandtheinstallationinstructionsprovided withyourcomputer,andalloptionﬁles(suchasdevicedrivers,ifrequired)areinstalledcorrectly.

•Youhavenotloosenedotherinstalledoptionsorcables.

•Iftheoptionisanadapter,youhaveprovidedenoughhardwareresourcesfortheadaptertofunction correctly.Seethedocumentationsuppliedwiththeadapter(aswellasthedocumentationforanyother installedadapters)todeterminetheresourcesrequiredforeachadapter.

46LenovoH520eHardwareMaintenanceManual

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on page51

forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage30.

Anoptionthatpreviouslyworkeddoesnotworknow

Symptom:Anoptionthatpreviouslyworkeddoesnotworknow.

Actions:

•Verifythatalloptionhardwareandcableconnectionsaresecure.

•Iftheoptioncomeswithitsowntestinstructions,usethoseinstructionstotesttheoption.

•IfthefailingoptionisaSCSIoption,verifythat: –ThecablesforallexternalSCSIoptionsareconnectedcorrectly.

–ThelastoptionineachSCSIchain,ortheendoftheSCSIcable,isterminatedcorrectly. –AllexternalSCSIoptionsareturnedon.ExternalSCSIoptionsmustbeturnedonbeforethecomputer

isturnedon.Formoreinformation,seeyourSCSIdocumentation.

•Verifythattheoptionandanyrequireddevicedriversareinstalledcorrectly.

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on page51

forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage30.

Performanceandlockupproblems

Poorperformanceandlockupproblemscanbearesultofanyofthefollowing:

•“Insufﬁcientfreeharddiskdrivespace”onpage47

•“Excessivenumberoffragmentedﬁles”onpage48

•“Insufﬁcientmemory”onpage49

Makeaselectionfromtheabovelisttoﬁndoutmoreaboutthecorrectiveactionsyoucantake.

Insufﬁcientfreeharddiskdrivespace

Symptom:Insufﬁcientfreeharddiskdrivespace

TheWindowsoperatingsystemwillslowdownandmightproduceerrorsiftheharddiskdrivegetstoofull.

TochecktheamountoffreespaceontheWindows7operatingsystem,dothefollowing:

1.ClickStart➙Computer.

2.Right-clickyourCdriveentryandthenclickProperties.Theamountoffreediskspaceisdisplayed.

TochecktheamountoffreespaceontheWindows8operatingsystem,dothefollowing:

1.OpentheWindowsExplorerandclickComputer.

2.Right-clickyourCdriveentryandthenclickProperties.Theamountoffreediskspaceisdisplayed.

Tofreeupdiskspace,doanyofthefollowing:

•Procedure1

1.OntheWindows7operatingsystem,clickStart➙Computer.OntheWindows8operatingsystem, opentheWindowsExplorerandclickComputer.

2.Right-clickyourCdriveentryandthenclickProperties.

3.ClickDiskCleanup.

Chapter5.Troubleshootinganddiagnostics47

4.Alistofunnecessaryﬁlecategoriesisdisplayed.Selecteachﬁlecategoryyouwanttodelete, andthenclickOK.

•Procedure2

1.OpenControlPanel.

2.ClickPrograms.

3.ClickTurnWindowsfeaturesonoroff.

4.AlistofoptionalWindowscomponentsisdisplayed.Followtheinstructionsonthescreen.

•Procedure3

1.OntheWindows7operatingsystem,clickStart➙Computer.OntheWindows8operatingsystem, opentheWindowsExplorerandclickComputer.

2.Right-clickyourCdriveentryandthenclickProperties.

3.ClickDiskCleanup.

4.ClickCleanupsystemﬁles.

5.ClicktheMoreOptionstab.

6.IntheProgramsandFeaturesarea,clicktheCleanupbutton.

7.Alistofinstalledprogramsisdisplayed.Selecttheprogramthatyouwanttoremove.Click Uninstall/Change.

•CleanoutyourInbox,SentItems,andDeletedItemsfoldersfromyoure-mailapplication.Thefolder namesandproceduresvarydependingonyoure-mailapplication.Ifyouneedassistance,seethe helpsystemforyoure-mailapplication.

Excessivenumberoffragmentedﬁles

Symptom:Excessivenumberoffragmentedﬁles

Action:RuntheWindowsDiskDefragmenterprogram.

Note:Dependingonthesizeoftheharddiskdriveandamountofdatacurrentlystoredontheharddisk drive,thedisk-defragmentationprocessmighttakeuptoseveralhourstocomplete.

OntheWindows7operatingsystem,dothefollowing:

1.Closeanyprogramsthatarecurrentlyrunningandcloseanyopenwindows.

2.ClickStart➙Computer.

3.Right-clickyourCdriveentryandthenclickProperties.

4.ClicktheToolstab.

5.ClickDefragmentNow,thenclickContinue.

6.ClickDefragmentNowagaintostartadisk-defragmentationprocess.

OntheWindows8operatingsystem,dothefollowing:

1.Closeanyprogramsthatarecurrentlyrunningandcloseanyopenwindows.

2.OpentheWindowsExplorerandclickComputer.

3.Right-clickyourCdriveentryandthenclickProperties.

4.ClicktheToolstab.

5.ClickOptimize.

6.ClickOptimizeagaintostartadisk-defragmentationprocess.

48LenovoH520eHardwareMaintenanceManual

Insufﬁcientmemory

Symptom:Insufﬁcientmemory

Ingeneral,themorememorythatisinstalled,thebettertheWindowsoperatingsystemruns.

Action:Installadditionalmemory.Forinformationaboutpurchasingmemory,see“LenovoSupportWeb site”onpage30 module”onpage76

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on page51forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage30.

.Forstep-by-stepinstructionsoninstallingmemory,see“Installingorreplacingamemory

Printerproblems

Symptom:Theprinterdoesnotwork.

Actions:Verifythat:

1.Theprinteristurnedonandisonline.

2.Paperisloadedcorrectly.

3.Theprintersignalcableissecurelyconnectedtothecorrectparallel,serial,orUSBconnectoronthe computer.

Note:Non-IEEE-approvedprintersignalcablesmightcauseunpredictableproblems.

1.Anydevicedriversandothersoftwarethatcamewiththeprinterarecorrectlyinstalled.

2.Y ouhaveassignedtheprinterportcorrectlyinyouroperatingsystem,applicationprogram,orBIOS settings.FormoreinformationaboutBIOSsettings,seeChapter6“UsingtheSetupUtilityprogram” onpage53.

Iftheproblempersists,runthetestsdescribedinthedocumentationthatcomeswithyourprinter.Ifyou cannotcorrecttheproblem,havethecomputerserviced.See“LenovoSupportWebsite”onpage30.

Serialportproblems

Usethisinformationtotroubleshoottheserialportanddevicesattachedtotheserialport.

Symptom:Serialportcannotbeaccessed.

Actions:

•Makesuretheserialcableissecurelyconnectedtotheserialportonthecomputerandtotheserial device.Iftheserialdevicehasitsownpowercord,makesureitisattachedtoaproperlygrounded electricaloutlet.

•IftheserialdevicehasitsownOn/Offswitch,makesureitisintheOnposition.

•IftheserialdevicehasanOnlineswitch,makesureitisintheOnlineposition.

•Iftheserialdeviceisaprinter,makesurepaperisloadedcorrectly.

•Verifythatanysoftwaresuppliedwiththeserialdeviceiscorrectlyinstalled.Refertothedocumentation fortheserial-deviceoption.

•Makesurethattheserial-portadapter,ifyouaddedone,isproperlyinstalledandﬁrmlyseated.

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on page51

forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage30.

Chapter5.Troubleshootinganddiagnostics49

Softwareproblems

Selectyoursymptomfromthefollowinglist:

•“Whenusingasortfeature,datesdonotsortinthecorrectorder”onpage50

•“Softwaredoesnotworkasexpected”onpage50

Whenusingasortfeature,datesdonotsortinthecorrectorder

Symptom:Whenusingasortfeature,datesdonotsortinthecorrectorder.

Action:Somesoftwaredevelopedbeforetheyear2000usedonlythelasttwodigitsofayeartosort dates,alwaysassumingtheﬁrsttwodigitswere19.Consequently,theseprogramssortdatesoutoforder. Checkwithyoursoftwaremanufacturertoseeifanyupdatesareavailable.Manysoftwaremanufacturers makeupdatesavailablefromtheWorldWideWeb.

Softwaredoesnotworkasexpected

Symptom:Softwaredoesnotworkasexpected.

Actions:

•Mostsoftwareprogramshavebuilt-inhelpsystemsthatprovideinstructionsformosttasks.Ifyouare havingdifﬁcultyperformingaspeciﬁctaskwithinasoftwareprogram,refertothehelpsystemforthat program.Helpsystemsaretypicallyaccessiblefromamenuorbuttonintheprogram,andfrequently fromtheF1key.

•IfyouarehavingdifﬁcultywiththeWindowsoperatingsystemoroneofitscomponents,refertothe Windowshelpsystem.ItisaccessiblefromtheWindowsStartmenu.

•Todetermineifproblemsarecausedbynewlyinstalledsoftware,verifythat: –Yourcomputerhastheminimummemoryrequirementsneededtousethesoftware.Seethe

informationsuppliedwiththesoftwaretoverifymemoryrequirements.(Ifyoujustinstalledanadapter

ormemory,youmighthaveamemory-addressconﬂict.) –Thesoftwareisdesignedtooperateonyourcomputer. –Othersoftwareworksonyourcomputer. –Thesoftwareyouareusingworkscorrectlyonanothercomputer.

•Ifyoureceivedanyerrormessageswhileusingthesoftwareprogram,seetheprinteddocumentation suppliedwiththesoftwareorthehelpsystemforthatsoftwareforadescriptionofthemessagesand solutionstotheproblem.

•Checkwithyoursoftwaremanufacturertoseeifanyupdatesareavailable.Manysoftwaremanufacturers makeupdatesavailablefromtheWorldWideWeb.

•Ifthesoftwareprogramusedtoworkcorrectly,butdoesnotworkcorrectlynow,dothefollowing: –OntheWindows7operatingsystem,clickStart➙ControlPanel➙SystemandSecurity➙System

➙SystemProtection➙SystemRestore.Then,followtheinstructionsonthescreen.

–OntheWindows8operatingsystem,openControlPanelandclickSystemandSecurity➙System➙

SystemProtection➙SystemRestore.Then,followtheinstructionsonthescreen.

•Ifyouareunabletoresolvetheproblemthroughothermethods,uninstallthesoftwareprogramand reinstallit.

Iftheseactionsdonotcorrecttheproblem,youmightneedtechnicalassistance.Contactyoursoftware manufacturerorsee“LenovoSupportWebsite”onpage30fordetails.

50LenovoH520eHardwareMaintenanceManual

USBproblems

Symptom:TheUSBconnectorscannotbeaccessed.

Actions:

•MakesuretheUSBcableissecurelyconnectedtotheUSBconnectorandtotheUSBdevice.IftheUSB devicehasitsownpowercord,makesureitisattachedtoaproperlygroundedelectricaloutlet.

•IftheUSBdevicehasitsownOn/Offswitch,makesureitisintheOnposition.

•IftheUSBdevicehasanOnlineswitch,makesureitisintheOnlineposition.

•IftheUSBdeviceisaprinter,makesurepaperisloadedcorrectly.

•MakesureanydevicedriversorothersoftwaresuppliedwiththeUSBdeviceiscorrectlyinstalled. RefertothedocumentationfortheUSBdevice.

•ResetthedevicebydetachingandreattachingtheUSBconnector.

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprogramstotesttheUSBconnector(see “LenovoSolutionCenter”onpage51forinstructions).IftheUSBdevicecamewithitsowndiagnostics, runthosediagnosticsagainsttheUSBdevice.Ifyouneedtechnicalassistance,see“LenovoSupport Website”onpage30

Diagnostics

Thediagnosticprogramisusedtotesthardwarecomponentsofyourcomputer.Thediagnosticprogramcan alsoreportoperating-system-controlledsettingsthatinterferewiththecorrectoperationofyourcomputer. Youcanusethepreinstalleddiagnosticprogramtodiagnosecomputerproblems,ifyourcomputeris runningtheWindowsoperatingsystem.

Notes:

1.Y ourcomputerispreinstalledwiththeLenovoSolutionCenterprogramfordiagnosticpurposes.For moreinformationabouttheLenovoSolutionCenterprogram,see“LenovoSolutionCenter”onpage51.

2.Ifyouareunabletoisolateandrepairtheproblemyourselfafterrunningthediagnosticprogram,save andprintthelogﬁlescreatedbythediagnosticprogram.Youwillneedthelogﬁleswhenyouspeaktoa Lenovotechnicalsupportrepresentative.

LenovoSolutionCenter

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

Notes:

•TheLenovoSolutionCenterprogramcanbedownloadedfromhttp://www.lenovo.com/diags.

•IfyouareusingotherWindowsoperatingsystemratherthanWindows7andWindows8,goto http://www.lenovo.com/diagsforthelatestinformationondiagnosticsforyourcomputer.

ToruntheLenovoSolutionCenterprogram,see“Lenovoprograms”onpage.

Foradditionalinformation,refertotheLenovoSolutionCenterhelpsystem.

Note:Ifyouareunabletoisolateandrepairtheproblemyourselfafterrunningtheprogram,saveandprint thelogﬁles.YouwillneedthelogﬁleswhenyouspeaktoaLenovotechnicalsupportrepresentative.

Chapter5.Troubleshootinganddiagnostics51

52LenovoH520eHardwareMaintenanceManual

Chapter6.UsingtheSetupUtilityprogram

TheSetupUtilityprogramisusedtoviewandchangetheconﬁgurationsettingsofyourcomputer,regardless ofwhichoperatingsystemyouareusing.However,theoperatingsystemsettingsmightoverrideanysimilar settingsintheSetupUtilityprogram.

StartingtheSetupUtilityprogram

TostarttheSetupUtilityprogram,dothefollowing:

1.Makesureyourcomputeristurnedoff.

2.RepeatedlypressandreleasetheF1keywhenturningonthecomputer.Whenyouhearmultiple beepsorseealogoscreen,releasetheF1key.

Note:IfaPower-OnPasswordoranAdministratorPasswordhasbeenset,theSetupUtilityprogram menuwillnotbedisplayeduntilyoutypethecorrectpassword.Formoreinformation,see“Using passwords”onpage53

WhenthePOSTdetectsthattheharddiskdrivehasbeenremovedfromyourcomputerorthememory modulesizehasdecreased,anerrormessagewillbedisplayedwhenyoustartthecomputerandyouwillbe promptedtodooneofthefollowing:

•PressF1toentertheSetupUtilityprogram.

Note:AfteryouentertheSetupUtilityprogram,selectSaveChangesandExitatthebottomofthe screen.Theerrormessagewillnotbedisplayedagain.

•PressF2tobypasstheerrormessageandlogintotheoperatingsystem.

Viewingandchangingsettings

TheSetupUtilityprogrammenulistsvariousitemsaboutthesystemconﬁguration.Tovieworchange settings,starttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage53.Then,follow theinstructionsonthescreen.

YoucanuseeitherthekeyboardorthemousetonavigatethroughBIOSmenuchoices.Thekeysusedto performvarioustasksaredisplayedatthebottomofeachscreen.

Usingpasswords

ByusingtheSetupUtilityprogram,youcansetpasswordstopreventunauthorizedaccesstoyourcomputer anddata.Thefollowingtypesofpasswordsareavailable:

•Power-OnPassword

•AdministratorPassword

•HardDiskPassword

Youdonothavetosetanypasswordstouseyourcomputer.However,usingpasswordsimproves computingsecurity.Ifyoudecidetosetanypasswords,readthefollowingsections.

©CopyrightLenovo2013

Passwordconsiderations

Apasswordcanbeanycombinationofupto64alphabeticandnumericcharacters.Forsecurityreasons,it isrecommendedtouseastrongpasswordthatcannotbeeasilycompromised.T osetastrongpassword, usethefollowingguidelines:

•Haveatleasteightcharactersinlength

•Containatleastonealphabeticcharacterandonenumericcharacter

•SetupUtilityprogramandharddiskdrivepasswordsarenotcasesensitive

•Notbeyournameoryourusername

•Notbeacommonwordoracommonname

•Besigniﬁcantlydifferentfromyourpreviouspasswords

Power-OnPassword

WhenaPower-OnPasswordisset,youarepromptedtotypeavalidpasswordeachtimethecomputeris turnedon.Thecomputercannotbeuseduntilthevalidpasswordistypedin.

AdministratorPassword

SettinganAdministratorPassworddetersunauthorizedusersfromchangingconﬁgurationsettings.Ifyou areresponsibleformaintainingtheconﬁgurationsettingsofseveralcomputers,youmightwanttosetan AdministratorPassword.

WhenanAdministratorPasswordisset,youarepromptedtotypeavalidpasswordeachtimeyoutryto accesstheSetupUtilityprogram.TheSetupUtilityprogramcannotbeaccesseduntilavalidpassword istypedin.

IfboththePower-OnPasswordandAdministratorPasswordareset,youcantypeeitherpassword.However, youmustuseyourAdministratorPasswordtochangeanyconﬁgurationsettings.

HardDiskPassword

SettingaHardDiskPasswordpreventsunauthorizedaccesstothedataontheharddiskdrive.Whena HardDiskPasswordisset,youarepromptedtotypeavalidpasswordeachtimeyoutrytoaccessthe harddiskdrive.

Notes:

•AfteryousetaHardDiskPassword,yourdataontheharddiskdriveisprotectedeveniftheharddisk driveisremovedfromonecomputerandinstalledinanother.

•IftheHardDiskPasswordisforgotten,thereisnowaytoresetthepasswordorrecoverdatafromthe harddiskdrive.

Setting,changing,anddeletingapassword

Toset,change,ordeleteapassword,dothefollowing:

1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage53.

2.FromtheSetupUtilityprogrammainmenu,selectSecurity.

3.Dependingonthepasswordtype,selectSetPower-OnPassword,SetAdministratorPassword,or HardDiskPassword.

4.Followtheinstructionsontherightsideofthescreentoset,change,ordeleteapassword.

54LenovoH520eHardwareMaintenanceManual

Note:Apasswordcanbeanycombinationofupto64alphabeticandnumericcharacters.Formore

information,see“Passwordconsiderations”onpage54.

Erasinglostorforgottenpasswords(clearingCMOS)

Thissectionprovidesinstructionsonhowtoeraselostorforgottenpasswords,suchasauserpassword.

Toerasealostorforgottenpassword,dothefollowing:

1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.

2.Removethecomputercover.

3.LocatetheClearCMOS/Recoveryjumperonthesystemboard.

4.Movethejumperfromthestandardposition(pin1andpin2)tothemaintenanceposition(pin2and pin3).

5.Reinstallthecomputercoverandconnectthepowercord.

6.T urnonthecomputerandleaveitonforapproximately10seconds.Then,turnoffthecomputerby holdingthepowerswitchforapproximatelyﬁveseconds.

7.Repeatstep1throughstep3.

8.MovetheClearCMOS/Recoveryjumperbacktothestandardposition(pin1andpin2).

9.Reinstallthecomputercoverandconnectthepowercord.

Enablingordisablingadevice

Thissectionprovidesinformationonhowtoenableordisableuseraccesstothefollowingdevices:

USBSetupUsethisoptiontoenableordisableaUSBconnector.WhenaUSBconnectoris

disabled,thedeviceconnectedtotheUSBconnectorcannotbeused.

SATAControllerWhenthisfeatureissettoDisable,alldevicesconnectedtotheSATAconnectors

(suchasharddiskdrivesortheopticaldrive)aredisabledandcannotbeaccessed.

Toenableordisableadevice,dothefollowing:

1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage53.

2.FromtheSetupUtilityprogrammainmenu,selectDevices.

3.Dependingonthedeviceyouwanttoenableordisable,dooneofthefollowing:

•SelectUSBSetuptoenableordisableaUSBdevice.

•SelectA TADrivesSetup➙SATAControllertoenableordisableaSATAdevice.

4.SelectthedesiredsettingsandpressEnter.

5.PressF10tosaveandexittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”onpage57.

Selectingastartupdevice

Ifyourcomputerdoesnotstartupfromadevicesuchasthediscorharddiskdriveasexpected,dooneof thefollowingtoselectthestartupdeviceyouwant.

Selectingatemporarystartupdevice

Usethisproceduretoselectatemporarystartupdevice.

Note:Notalldiscsandharddiskdrivesarebootable.

Chapter6.UsingtheSetupUtilityprogram55

1.T urnoffyourcomputer.

2.RepeatedlypressandreleasetheF12keywhenturningonthecomputer.WhentheStartupDevice Menuwindowdisplays,releasetheF12key.

3.SelectthedesiredstartupdeviceandpressEnter.Thecomputerwillstartupfromthedeviceyou selected.

Note:SelectingastartupdevicefromtheStartupDeviceMenuwindowdoesnotpermanentlychange thestartupsequence.

Selectingorchangingthestartupdevicesequence

Tovieworpermanentlychangetheconﬁguredstartupdevicesequence,dothefollowing:

1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage53.

2.FromtheSetupUtilityprogrammainmenu,selectStartup.

3.SelectthedevicesforthePrimaryStartupSequence,theAutomaticStartupSequence,andtheError StartupSequence.Readtheinformationdisplayedontherightsideofthescreen.

4.PressF10tosaveandexittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”onpage57.

EnablingErPcompliancemode

Youcanenabletheenergy-relatedproductsdirective(ErP)compliancemodethroughthePowermenuinthe SetupUtilityprogramtoreducetheconsumptionofelectricitywhenyourcomputerisinstandbyoroffmode.

ToenableErPcompliancemodeintheSetupUtilityprogram,dothefollowing:

1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage53.

2.FromtheSetupUtilityprogrammainmenu,selectPower➙EnhancedPowerSavingMode,and pressEnter.

3.SelectEnabledandpressEnter.

4.FromthePowermenu,selectAutomaticPowerOnandpressEnter.

5.SelectWakeonLanandpressEnter.

6.SelectDisabledandpressEnter.

7.PressF10tosavechangesandexittheSetupUtilityprogram.PressEnterwhenpromptedtoconﬁrm theexit.

Note:WhenErPcompliancemodeisenabled,youcanwakeupyourcomputerbydoingoneofthefollowing:

•Pressingthepowerswitch

•Enablingthewakeuponalarmfeature Thewakeuponalarmfeatureenablesyourcomputertowakeupatasettime.T oenablethewake

uponalarmfeature,dothefollowing:

1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage53.

2.FromtheSetupUtilityprogrammainmenu,selectPower➙AutomaticPowerOn,andpressEnter.

3.SelectWakeUponAlarmandpressEnter.Thenfollowtheinstructionsonthescreen.

4.PressF10tosavechangesandexittheSetupUtilityprogram.PressEnterwhenpromptedto conﬁrmtheexit.

•Enablingtheafterpowerlossfeature Theafterpowerlossfeatureenablesyourcomputertowakeupwhenthepowersupplyresumesaftera

suddenlossofelectricity.Toenabletheafterpowerlossfeature,dothefollowing:

1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage53.

56LenovoH520eHardwareMaintenanceManual

2.FromtheSetupUtilityprogrammainmenu,selectPower➙AfterPowerLoss,andpressEnter.

3.SelectPowerOnandpressEnter.

4.PressF10tosavechangesandexittheSetupUtilityprogram.PressEnterwhenpromptedto conﬁrmtheexit.

ChangingtheBIOSsettingsbeforeinstallinganewoperatingsystem

BIOSsettingsvarybyoperatingsystem.ChangetheBIOSsettingsbeforeinstallinganewoperatingsystem.

TochangetheBIOSsettings,dothefollowing:

1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage53.

2.FromtheSetupUtilityprogrammainmenu,selectExit➙OSOptimizedDefault.

3.Dependingontheoperatingsystemtobeinstalled,dooneofthefollowing:

•ToinstalltheWindows8(64-bit)operatingsystem,selectEnabled.

•ToinstallanoperatingsystemotherthanWindows8(64-bit),selectDisabled.

4.SelectYesinthewindowdisplayedandpressEntertoconﬁrmyourselection.

5.PressF10tosavechangesandexittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram” onpage57.

ExitingtheSetupUtilityprogram

Afteryouﬁnishviewingorchangingsettings,pressEsctoreturntotheSetupUtilityprogrammainmenu. YoumighthavetopressEscseveraltimes.Dooneofthefollowing:

•Ifyouwanttosavethenewsettings,pressF10tosaveandexittheSetupUtilityprogram.

•Ifyoudonotwanttosavethesettings,selectExit➙DiscardChangesandExit,andthenpress Enter.WhentheResetWithoutSavingwindowopens,selectYes,andthenpressEntertoexitthe SetupUtilityprogram.

•Ifyouwanttoreturntothedefaultsettings,pressF9toloadthedefaultsettings,andthenpressF10to saveandexittheSetupUtilityprogram.

Chapter6.UsingtheSetupUtilityprogram57

58LenovoH520eHardwareMaintenanceManual

Chapter7.Symptom-to-FRUindex

TheSymptom-to-FRUindexlistserrorsymptomsandpossiblecauses.Themostlikelycauseislistedﬁrst. AlwaysbeginwiththeChapter4“Generalcheckout”onpage31.Y oucanusethisindextohelpyoudecide whichFRUsareneededwhenservicingacomputer.Ifyouareunabletocorrecttheproblemusingthis index,goto“Undeterminedproblems”onpage63

Notes:

1.Ifyouhavebothanerrormessageandanincorrectaudioresponse,diagnosetheerrormessageﬁrst.

2.Ifyoucannotrunthediagnostictests,butdidreceiveaPOSTerrormessage,diagnosethePOSTerrormessage ﬁrst.

3.Ifyoudidnotreceiveanyerrormessage,lookforadescriptionofyourerrorsymptomsintheﬁrstpartofthisindex.

Harddiskdrivebooterror

Aharddiskdrivebooterror(errorcodes1962andI999030X)canhavethefollowingcauses.

ErrorFRU/Action

Thestart-updriveisnotinthebootsequencein conﬁguration.

Nooperatingsysteminstalledonthebootdrive.Installanoperatingsystemonthebootdrive. Thebootsectoronthestart-updriveiscorrupted.

Thedriveisdefective.

Checktheconﬁgurationandensurethestart-updriveis inthebootsequence.

Thedrivemustbeformatted.Dothefollowing:

1.Attempttobackupthedataonthefailingharddisk drive.

2.Usingtheoperatingsystemsprogram,formatthe harddiskdrive.

Replacetheharddiskdrive.

Powersupplyproblems

Ifyoususpectapowerproblem,usethefollowingprocedures.

Check/VerifyFRU/Action

Checkthefollowingforproperinstallation:

•Powercord

•On/Offswitchconnector

•On/Offswitchpowersupplyconnector

•Systemboardpowersupplyconnectors

•Microprocessor(s)connection Checkthepowercordforcontinuity. Checkthepower-onswitchforcontinuity.

Reseatconnectors

Powercord Power-onswitch

Beepsymptoms

Beepsymptomsaretonesoraseriesoftonesseparatedbypauses(intervalswithoutsound)duringPOST.

©CopyrightLenovo2013

Thefollowingtablesdescribesbeepsymptoms.

BeepSymptomFRU/Action 2shortbeepsCMOSsettingerror

3shortbeepsandthen1longbeepDRAMmemory

error

Performthefollowingactionsinorder.

1.StarttheSetupUtilityprogramandpressF10to Saveandexit.SeeChapter6“UsingtheSetupUtility program”onpage53

2.StarttheSetupUtilityprogramandpressF9toload defaultsandthenpressF10toSaveandexit.

3.PerformaBoot-blockrecovery.See“Recovering fromaPOSTandBIOSupdatefailure”onpage99.

Performthefollowingactionsinorder.

1.Makesurethememorymodule(s)areproperlyseated intheconnector(s).

2.Replacethememorymodule(s).

3.Replacethesystemboard.

POSTerrorcodes

Eachtimeyoupower-onthesystem,itperformsaseriesofteststhatchecktheoperationofthesystem andsomeoptions.ThisseriesoftestsiscalledthePower-OnSelf-Test,orPOST.POSTdoesthefollowing operations.

•Checkssomebasicsystem-boardoperations

•Checksthememoryoperation

•Startsthevideooperation

•Veriﬁesthatthebootdriveisworking

IfthePOSTdetectsaproblem,anerrormessageappearsonthescreen.Asingleproblemcancauseseveral errormessagestoappear.Whenyoucorrectthecauseoftheﬁrsterrormessage,theothererrormessages probablywillnotappearonthescreenthenexttimeyouturnonthesystem.

POSTErrorcodePOSTErrormessageDescription/Action

00CEMachineTypeorSerialNumberisINVALID

0211

0135

0164MemorysizedecreasedThiserrormessageisdisplayedwhenthememory

Keyboardnotfound

Fanfailure

Thiserrormessageisdisplayedwhenthemachine typeortheserialnumberisinvalid.

Thiserrormessageisdisplayedwhenthereisno keyboarddetected.

Thesystemmightbeoverheating.

PressF1toentertheSetupUtilityprogram. ThenpressF10tosaveandexittheSetupUtility program.

Note:Iftheproblemiscausedbythe microprocessorfan,pressingF10willnotsolve theproblem.

sizehasdecreased.

60LenovoH520eHardwareMaintenanceManual

PressF1toentertheSetupUtilityprogram. ThenpressF10tosaveandexittheSetupUtility program.

POSTErrorcodePOSTErrormessageDescription/Action

1762

1820

Conﬁgurationchangehasoccurred

Morethanoneexternalﬁngerprintreader isattached.Poweroffandremoveallbut thereaderthatyousetupwithinyourmain operatingsystem.

1962

Nooperatingsystemfound.Pressanykey torepeatbootsequence.

0162

0167

0175

0176

SetupdataintegritycheckfailurePressF1toentertheSetupUtilityprogram.

Noprocessormicrocodeupdatefound

SystemSecurity-SecuritydatacorruptedPressF1toentertheSetupUtilityprogram.

SystemSecurity-Thesystemhasbeen tamperedwith

Thiserrormessageisdisplayedwhenaharddisk driveoropticaldrivechangehasbeenmade.

PressF1toentertheSetupUtilityprogram. ThenpressF10tosaveandexittheSetupUtility program.

Ifmorethanoneexternalﬁngerprintreaderis connectedtoacomputer,thiserrormessagewill bedisplayedtoinformyoutoremoveallofthe ﬁngerprintkeyboardsexcepttheonecompatible withtheﬁngerprintapplicationonyourcomputer.

ThiserroroccursonlyafterthePOSTiscompleted. Pressanykeytorepeatbootsequence.

ThenpressF10tosaveandexittheSetupUtility program.

Thiserrormessageindicatesthatthereis nomicrocodeupdateimageforthecurrent microprocessor.

ThenpressF10tosaveandexittheSetupUtility program.

Thiserrormessageisdisplayedwhenthe computeristurnedonwiththecoveropenor removed.

PressF1toentertheSetupUtilityprogram. ThenpressF10tosaveandexittheSetupUtility program.

0189

SystemSecurity-Cannotreadthe SecurityEEPROM

ThiserrormessageindicatesthattheSecurity EEPROMmaybebrokenorremoved.

PressF1toentertheSetupUtilityprogram. ThenpressF10tosaveandexittheSetupUtility program.

0197

SystemSecurity-Unauthorizedsecurity datachangedetected

PressF1toentertheSetupUtilityprogram. ThenpressF10tosaveandexittheSetupUtility program.

0190

SystemSecurity-Invalidsecuritychange requested

PressF1toentertheSetupUtilityprogram. ThenpressF10tosaveandexittheSetupUtility program.

0199

SystemSecurity-Securitypasswordretry countexceeded

PressF1toentertheSetupUtilityprogram. ThenpressF10tosaveandexittheSetupUtility program.

Chapter7.Symptom-to-FRUindex61

Miscellaneouserrormessages

Message/SymptomFRU/Action

ChangingdisplaycolorsDisplay/Monitor Computerwillnotpower-off.See“Harddiskdriveboot

error”onpage59.

ComputerwillnotRPLfromserver

ComputerwillnotperformaWakeonLAN(ifapplicable)1.Checkpowersupplyandsignalcableconnections

Deadcomputer.See“Harddiskdrivebooterror”onpage 59

Diskettedrivein-uselightremainsonordoesnotlight whendriveisactive.

Flashingcursorwithanotherwiseblankdisplay.

IncorrectmemorysizeduringPOST

"InsertaDiskette"iconappearswithaknown-good diagnosticsdisketteintheﬁrst3.5-inchdiskettedrive.

Intensityorcolorvariesfromlefttorightofcharacters andcolorbars

Nopowerorfannotrunning

1.PowerSwitch

2.SystemBoard

3.Risercard,ifinstalled

1.Ensurethatnetworkisinstartupsequenceasﬁrst deviceorﬁrstdeviceafterdiskette

2.EnsurethatnetworkadapterisenabledforRPL

3.Networkadapter(Advisenetworkadministratorof newMACaddress)

tonetworkadapter

2.Ensurethattheoperatingsystemsettingsaresetto enableWakeonLAN

3.EnsureWakeonLANfeatureisenabledin Setup/Conﬁguration(see“StartingtheSetupUtility program”onpage53)

4.EnsurenetworkadministratorisusingcorrectMAC address

5.EnsurenointerruptorI/Oaddressconﬂicts

6.Networkadapter(advisenetworkadministratorof newMACaddress)

1.PowerSupply

2.SystemBoard

1.DisketteDrive

2.SystemBoard

3.DisketteDriveCable

1.SystemBoard

2.PrimaryHardDiskDrive

3.HardDiskDriveCable

1.RuntheMemorytests

2.MemoryModule

3.SystemBoard

1.SystemBoard

2.DisketteDriveCable

3.NetworkAdapter

1.Display

2.Videoadapter(ifpresent)

3.SystemBoard

1.See“Harddiskdrivebooterror”onpage59.

62LenovoH520eHardwareMaintenanceManual

Message/SymptomFRU/Action

Non-systemdiskordiskerror-typemessagewitha known-gooddiagnosticdiskette.

Otherdisplaysymptomsnotlistedabove(includingblank orillegibledisplay)

Power-onindicatororharddiskdrivein-uselightnoton, butcomputerworkscorrectly

Printerproblems1.Printer

Programloadsfromtheharddiskwithaknown-good diagnosticsdisketteintheﬁrst3.5-inchdiskettedrive

RPLcomputercannotaccessprogramsfromitsownhard disk.

RPLcomputerdoesnotRPLfromserver

Serialorparallelportdevicefailure(systemboardport)1.ExternalDeviceSelf-TestOK?

Serialorparallelportdevicefailure(adapterport)1.ExternalDeviceSelf-TestOK?

Someorallkeysonthekeyboarddonotwork

1.DisketteDrive

2.SystemBoard

3.DisketteDriveCable

1.Display

2.SystemBoard

1.Powerswitch/LEDassembly

2.SystemBoard

1.RunSetupandcheckStartupsequence.

2.DisketteDrive

3.DisketteDriveCable

4.SystemBoard

5.PowerSupply

1.IfnetworkadministratorisusingLCCMHybridRPL,

checkstartupsequence: a.Firstdevice-network b.Seconddevice-harddisk

2.Harddiskdrive

1.Checkstartupsequence

2.CheckthenetworkadapterLEDstatus

2.ExternalDevice

3.Cable

4.SystemBoard

2.ExternalDevice

3.Cable

4.AlternateAdapter

5.SystemBoard

1.Keyboard

2.KeyboardCable

3.SystemBoard

Undeterminedproblems

Ifyouencounterundeterminedproblems,dothefollowing:

1.T urnoffthecomputerandthepower.

2.Removeordisconnectthefollowingcomponents(ifinstalled)oneatatime. a.Externaldevices(modem,printer,ormouse) b.Anyadaptercards c.Memorymodules

Chapter7.Symptom-to-FRUindex63

d.Extendedvideomemory e.ExternalCache f.ExternalCacheRAM g.Harddiskdrive h.Diskettedrive

3.T urnonthepowerandthecomputertore-testthesystem.

4.Repeatsteps1through3untilyouﬁndthefailingdeviceoradaptercards.

Ifalldevicesandadaptercardshavebeenremoved,andtheproblemcontinues,replacethesystemboard.

64LenovoH520eHardwareMaintenanceManual

Chapter8.Locations

Thischapterintroducesthelocationsofthecomputerhardwarecomponents.

Locations

Thissectionprovidesinformationtohelpyoulocateyourcomputerconnectors,components,partson thesystemboard,andinternaldrives.

Note:Thecomponentsinyourcomputermightlookslightlydifferentfromtheillustrations.

Locatingconnectors,controls,andindicatorsonthefrontofyour computer

Figure1“Frontconnector,control,andindicatorlocations”onpage65showsthelocationsofthe connectors,controls,andindicatorsonthefrontofyourcomputer.

Figure1.Frontconnector,control,andindicatorlocations

1Powerswitch5Headphoneconnector 2Harddiskdriveactivityindicator6Microphoneconnector 3Opticaldriveeject/closebutton7USBconnectors(USBports2) 4Memorycardreader(optional)

Locatingconnectorsontherearofyourcomputer

Figure2“Rearconnectorlocations”onpage65showsthelocationsoftheconnectorsontherearofyour computer.Someconnectorsontherearofyourcomputerarecolor-codedtohelpyoudeterminewhereto connectthecablesonyourcomputer.

Figure2.Rearconnectorlocations

1Voltage-selectionswitch(availableonsome

models)

2Powercordconnector 3DVImonitorconnector

4VGAmonitorconnector 5USBconnectors(USBports3to6)13Optionalserialport 6Microphoneconnector14Ethernetconnector 7Audioline-outconnector 8Audioline-inconnector

9PCIExpressx16graphicscardslot

10PCIExpressx1cardslots(2) 11Integratedcablelock(Kingstonlock)slot 12Padlockloop

15Optionalserialport

LocatingmajorFRUsandCRUs

Figure3“Componentlocations”onpage66showsthelocationsofthevariouscomponentsinyour computer.Toremovethecomputercover,see“Removingthecomputercover”onpage70

Figure3.Componentlocations

ThefollowingtableliststhemajorFRUsshowninFigure3“Componentlocations”onpage66

andidentiﬁes

whichFRUsalsoareself-serviceCRUsoroptional-serviceCRUs.

Notes:

•Self-serviceCRUs:TheseCRUsunplugoraresecuredbynomorethantwoscrews.Examplesof thesetypesofCRUsincludethekeyboard,themouse,anyUSBdevice,andthepowercord.Other self-serviceCRUsdependingonproductdesignmightincludememorymodules,adaptercards,hard diskdrives,andopticaldrives.

•Optional-serviceCRUs:TheseCRUsareisolatedpartswithinthecomputerandareconcealedbyan accesspanelthatistypicallysecuredbymorethantwoscrews.Oncetheaccesspanelisremoved,the speciﬁcCRUisvisible.

NumberFRUdescription

Heatsinkandfanassembly MemorymodulesYesNo FrontbezelYesNo HarddiskdriveNoYes PCIcard(installedinsomemodels) PCIExpressx16graphicscardslot Systemboard PowersupplyassemblyNoYes

Self-serviceCRUOptional-serviceCRU

NoYes

YesNo Yes

NoNo

66LenovoH520eHardwareMaintenanceManual

Locatingpartsonthesystemboard

Figure4“Systemboardpartlocations”onpage67showsthelocationsofthepartsonthesystemboard.

Figure4.Systemboardpartlocations

14-pinpowerconnector

2Microprocessor

3Microprocessorfanconnector

4Memoryslot1(DIMM1) 5Memoryslot2(DIMM2)16Serial(COM2)connector 6Thermalsensorconnector17Frontaudioconnector 724-pinpowerconnector18Internalspeakerconnector 8Powerfanconnector

9SATAconnectors(3)20PCIExpressx16graphicscardslot 10Frontpanelconnector(forconnectingLED

indicatorsandpowerswitch)

11FrontUSBconnector1(forconnectingUSB

ports1and2onthefrontbezel)

12ClearCMOS(ComplementaryMetalOxideSemiconductor)

/Recoveryjumper

13FrontUSBconnector2(forconnectingadditionalUSB

devices)

14FrontUSBconnector3(forconnectingadditionalUSB

devices)

15Battery

19PCIExpressx1cardslots(2)

21Systemfanconnector

Locatinginternaldrives

Internaldrivesaredevicesthatyourcomputerusestoreadandstoredata.Y oucanadddrivestoyour computertoincreasestoragecapacityandenableyourcomputertoreadothertypesofmedia.Internal drivesareinstalledinbays.Inthismanual,thebaysarereferredtoasbay1,bay2,andsoon.

Wheninstallingorreplacinganinternaldrive,itisimportanttonotethetypeandsizeofthedrivethatyou caninstallorreplaceineachbayandcorrectlyconnectthecablestothedriveinstalled.Refertothe appropriatesectionin“Installingorreplacinghardware”onpage69

forinstructionsonhowtoinstallor

replaceinternaldrivesforyourcomputer.

Chapter8.Locations67

Figure5“Drivebaylocations”onpage68showsthelocationsofthedrivebays.

Figure5.Drivebaylocations

1Bay1-Opticaldrivebay(withanopticaldriveinstalledonsomemodels) 2Bay2-Primaryharddiskdrivebay(witha3.5-inchSATAharddiskdriveinstalled) 3Bay3-Secondaryharddiskdrivebay

68LenovoH520eHardwareMaintenanceManual

Chapter9.ReplacingFRUs

Important:BesuretoreadandunderstandChapter2“Safetyinformation”onpage3beforeyoureplace

anyFRU.Theseprecautionsandguidelineswillhelpyouworksafely.

FRUreplacementsaretobedoneonlybytrainedservicetechnicians.

ThischapterdoesnotcontaintheremoveorreplaceprocedureforallFRUs.OnlythemajorFRUsare documented.

Handlingstatic-sensitivedevices

Donotopenthestatic-protectivepackagecontainingthenewpartuntilthedefectiveparthasbeenremoved fromthecomputerandyouarereadytoinstallthenewpart.Staticelectricity,althoughharmlesstoyou,can seriouslydamagecomputercomponentsandparts.

Whenyouhandlecomputerpartsandcomponents,taketheseprecautionstoavoidstatic-electricitydamage:

•Limityourmovement.Movementcancausestaticelectricitytobuilduparoundyou.

•Alwayscarefullyhandlethepartsandothercomputercomponents.HandlePCIcards,memorymodules, systemboards,andmicroprocessorsbytheedges.Nevertouchexposedcircuitry.

•Preventothersfromtouchingthepartsandothercomputercomponents.

•Beforeyoureplaceanewpart,touchthestatic-protectivepackagecontainingthenewparttoametal expansion-slotcoverorotherunpaintedmetalsurfaceonthecomputerforatleasttwoseconds.This reducesstaticelectricityfromthepackageandyourbody.

•Removethenewpartfromthestatic-protectivepackageanddirectlyinstallitinthecomputerwithout placingitonanyothersurface.Ifitishardforyoutodothisinyourspeciﬁcsituation,placethe static-protectivepackageofthenewpartonasmooth,levelsurface,andthenplacethenewparton thestatic-protectivepackage.

•Donotplacethepartonthecomputercoverorothermetalsurface.

Installingorreplacinghardware

Thissectionprovidesinstructionsonhowtoinstallorreplacehardwareforyourcomputer.Youcanexpand thecapabilitiesofyourcomputerandmaintainyourcomputerbyinstallingorreplacinghardware.

Attention:

Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation” intheUserGuide.ToobtainacopyoftheUserGuide,goto: http://www.lenovo.com/ThinkCentreUserGuides

Notes:

1.UseonlycomputerpartsprovidedbyLenovo.

2.Wheninstallingorreplacinganoption,usetheappropriateinstructionsinthissectionalongwiththe instructionsthatcomewiththeoption.

Removingthecomputercover

Attention:

Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation” intheUserGuide.ToobtainacopyoftheUserGuide,goto: http://www.lenovo.com/ThinkCentreUserGuides

Thissectionprovidesinstructionsonhowtoremovethecomputercover.

CAUTION:

Turnoffthecomputerandwaitthreetoﬁveminutestoletthecomputercoolbeforeremovingthe computercover.

Toremovethecomputercover,dothefollowing:

1.Removeanymediafromthedrivesandturnoffallattacheddevicesandthecomputer.

2.Disconnectallpowercordsfromelectricaloutlets.

3.Disconnectthepowercords,Input/Outputcables,andanyothercablesthatareconnectedtothe computer.See“Locatingconnectors,controls,andindicatorsonthefrontofyourcomputer”onpage

and“Locatingconnectorsontherearofyourcomputer”onpage65.

4.Removeanylockingdevicethatsecuresthecomputercover,suchasapadlockoranintegrated cablelock.

5.Removethetwoscrewsthatsecurethecomputercoverandslidethecomputercovertotherearto removeit.

Figure6.Removingthecomputercover

70LenovoH520eHardwareMaintenanceManual

Removingandreinstallingthefrontbezel

Attention:

Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation” intheUserGuide.ToobtainacopyoftheUserGuide,goto: http://www.lenovo.com/ThinkCentreUserGuides

Thissectionprovidesinstructionsonhowtoremoveandreinstallthefrontbezel.

Toremoveandreinstallthefrontbezel,dothefollowing:

1.T urnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage70.

3.Removethefrontbezelbyreleasingthethreeplastictabsontheleftsideandpivotingthefrontbezel outward.

Figure7.Removingthefrontbezel

Chapter9.ReplacingFRUs71

4.T oreinstallthefrontbezel,alignthethreeplastictabsontherightsideofthefrontbezelwiththe correspondingholesinthechassis,thenpivotthefrontbezelinwardsuntilitsnapsintopositionon theleftside.

Figure8.Reinstallingthefrontbezel

5.T ocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage90.

InstallingorreplacingaPCIcard

Attention:

Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation” intheUserGuide.ToobtainacopyoftheUserGuide,goto: http://www.lenovo.com/ThinkCentreUserGuides

ThissectionprovidesinstructionsonhowtoinstallorreplaceaPCIcard.YourcomputerhastwoPCI Expressx1cardslotsandonePCIExpressx16graphicscardslot.

ToinstallorreplaceaPCIcard,dothefollowing:

1.T urnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage70.

72LenovoH520eHardwareMaintenanceManual

3.Attherearofthecomputer,removethescrewthatsecuresthePCIcardlatch.

Figure9.RemovingthescrewthatsecuresthePCIcardlatch

4.DependingonwhetheryouareinstallingorreplacingaPCIcard,dooneofthefollowing:

•IfyouareinstallingaPCIcard,removetheappropriatemetalslotcover.

Chapter9.ReplacingFRUs73

•IfyouarereplacinganoldPCIcard,grasptheoldcardthatiscurrentlyinstalledandgentlypullit

outoftheslot.

Figure10.RemovingaPCIcard

Notes:

a.Thecardﬁtstightlyintothecardslot.Ifnecessary,alternatemovingeachsideofthecardasmall

amountuntilitisremovedfromthecardslot.

b.Ifthecardisheldinplacebyaretaininglatch,pressthecardretaininglatch1asshownto

disengagethelatch.Graspthecardandgentlypullitoutoftheslot.

5.RemovethenewPCIcardfromitsstatic-protectivepackage.

6.InstallthenewPCIcardintotheappropriateslotonthesystemboard.See“Locatingpartsonthe systemboard”onpage67

Note:IfyouareinstallingaPCIExpressx16graphicscard,makesurethememoryslotretainingclips areclosedbeforeyouinstallthegraphicscard.

7.PivotthecardlatchtotheclosedpositiontosecurethePCIcard.

74LenovoH520eHardwareMaintenanceManual

Figure11.InstallingaPCIcard

8.ReinstallthescrewtosecurethePCIcardlatchinplace.

9.T ocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage90.

Replacingthebattery

Attention:

Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation” intheUserGuide.ToobtainacopyoftheUserGuide,goto: http://www.lenovo.com/ThinkCentreUserGuides

Yourcomputerhasaspecialtypeofmemorythatmaintainsthedate,time,andsettingsforbuilt-infeatures, suchasparallel-portassignments(conﬁguration).Abatterykeepsthisinformationactivewhenyouturn offthecomputer.

Thebatterynormallyrequiresnochargingormaintenancethroughoutitslife;however,nobatterylasts forever.Ifthebatteryfails,thedate,time,andconﬁgurationinformation(includingpasswords)arelost.An errormessageisdisplayedwhenyouturnonthecomputer.

Refertothe“Lithiumbatterynotice”intheSafety,Warranty,andSetupGuideforinformationaboutreplacing anddisposingofthebattery.

Toreplacethebattery,dothefollowing:

1.T urnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage70.

3.Locatethebattery.See“Locatingpartsonthesystemboard”onpage67.

Chapter9.ReplacingFRUs75

4.Removetheoldbattery.

Figure12.Removingtheoldbattery

5.Installanewbattery.

Figure13.Installinganewbattery

6.Reinstallthecomputercoverandconnectthecables.See“Completingthepartsreplacement”on page90

Note:Whenthecomputeristurnedonfortheﬁrsttimeafterreplacingthebattery,anerrormessage mightbedisplayed.Thisisnormalafterreplacingthebattery.

7.T urnonthecomputerandallattacheddevices.

8.UsetheSetupUtilityprogramtosetthedate,time,andanypasswords.SeeChapter6“UsingtheSetup Utilityprogram”onpage53

9.T ocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage90.

Installingorreplacingamemorymodule

Attention:

Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation” intheUserGuide.ToobtainacopyoftheUserGuide,goto: http://www.lenovo.com/ThinkCentreUserGuides

Thissectionprovidesinstructionsonhowtoinstallorreplaceamemorymodule.

YourcomputerhastwoslotsforinstallingorreplacingDDR3UDIMMsthatprovideuptoamaximumof8 GBsystemmemory.Wheninstallingorreplacingamemorymodule,use1GB,2GB,or4GBDDR3 UDIMMsinanycombinationuptoamaximumof8GB.

Toinstallorreplaceamemorymodule,dothefollowing:

1.T urnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage70.

3.Laythecomputeronitssideforeasieraccesstothesystemboard.

4.Locatethememoryslots.See“Locatingpartsonthesystemboard”onpage67.

5.Removeanypartsthatmightpreventyouraccesstothememoryslots.Dependingonyourcomputer model,youmightneedtoremovethePCIExpressx16graphicscardforeasieraccesstothememory slots.See“InstallingorreplacingaPCIcard”onpage72.

6.Dependingonwhetheryouareinstallingorreplacingamemorymodule,dooneofthefollowing:

76LenovoH520eHardwareMaintenanceManual

•Ifyouarereplacinganoldmemorymodule,opentheretainingclipsandgentlypullthememory moduleoutofthememoryslot.

Figure14.Removingamemorymodule

•Ifyouareinstallingamemorymodule,opentheretainingclipsofthememoryslotintowhichyou wanttoinstallthememorymodule.

Figure15.Openingtheretainingclips

Chapter9.ReplacingFRUs77

7.Positionthenewmemorymoduleoverthememoryslot.Makesurethatthenotch1onthememory modulealignscorrectlywiththeslotkey2onthesystemboard.Pushthememorymodulestraight downintotheslotuntiltheretainingclipsclose.

Figure16.Installingamemorymodule

8.ReinstallthePCIExpressx16graphicscardifyouhaveremovedit.

9.T ocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage90.

Replacingtheopticaldrive

Attention:

Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation” intheUserGuide.ToobtainacopyoftheUserGuide,goto: http://www.lenovo.com/ThinkCentreUserGuides

Thissectionprovidesinstructionsonhowtoinstallorreplacetheopticaldrive.

Note:Theopticaldriveisonlyavailableinsomemodels.

Toreplaceanopticaldrive,dothefollowing:

1.T urnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage70.

3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage71.

4.Removethethreescrewsthatsecuretheopticaldrive.Then,slidetheopticaldriveoutofthefront ofthecomputer.

78LenovoH520eHardwareMaintenanceManual

Figure17.Removingtheopticaldrive

5.Slidethenewopticaldriveintothedrivebayfromthefrontandalignthescrewholesinthenewoptical drivewiththecorrespondingholesinthedrivebay.Then,installthethreescrewstosecurethenew opticaldriveinplace.

Figure18.Installingtheopticaldrive

Chapter9.ReplacingFRUs79

6.Connectoneendofthesignalcabletotherearofthenewopticaldriveandtheotherendtoanavailable SATAconnectoronthesystemboard.See“Locatingpartsonthesystemboard”onpage67.Then, locateanavailableﬁve-wirepowerconnectorandconnectittotherearofthenewopticaldrive.

Figure19.Connectingtheopticaldrive

7.T ocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage90.

Replacingtheheatsinkandfanassembly

Attention:

Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation” intheUserGuide.ToobtainacopyoftheUserGuide,goto: http://www.lenovo.com/ThinkCentreUserGuides

Thissectionprovidesinstructionsonhowtoreplacetheheatsinkandfanassembly.

DANGER

Attention/Caution/Dangericon,warningusersandservicersofahotsurfacenearbyTheheatsink andfanassemblymightbeveryhot.Turnoffthecomputerandwaitthreetoﬁveminutestoletthe computercoolbeforeremovingthecomputercover.

Toreplacetheheatsinkandfanassembly,dothefollowing:

1.T urnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage70.

3.Laythecomputeronitssideforeasieraccesstothesystemboard.

4.Locatetheheatsinkandfanassembly.See“LocatingmajorFRUsandCRUs”onpage66.

5.Disconnecttheheatsinkandfanassemblycablefromthemicroprocessorfanconnectoronthesystem board.See“Locatingpartsonthesystemboard”onpage67.

80LenovoH520eHardwareMaintenanceManual

6.Followthissequencetoremovethefourscrewsthatsecuretheheatsinkandfanassemblytothe systemboard:

a.Partiallyremovescrew1,thenfullyremovescrew2,andthenfullyremovescrew1. b.Partiallyremovescrew3,thenfullyremovescrew4,andthenfullyremovescrew3.

Note:Carefullyremovethefourscrewsfromthesystemboardtoavoidanypossibledamagetothe systemboard.Thefourscrewscannotberemovedfromtheheatsinkandfanassembly.

Figure20.Removingtheheatsinkandfanassembly

7.Liftthefailingheatsinkandfanassemblyoffthesystemboard.

Notes:

a.Y oumighthavetogentlytwisttheheatsinkandfanassemblytofreeitfromthemicroprocessor. b.Whenhandlingtheheatsinkandfanassembly,donottouchthethermalgreaseonthebottom

oftheheatsinkandfanassembly.

8.Placethenewheatsinkandfanassemblyonthesystemboardsothatthefourscrewsarealignedwith thecorrespondingholesinthesystemboard.

Note:Positionthenewheatsinkandfanassemblysothattheheatsinkandfanassemblycableis towardthemicroprocessorfanconnectoronthesystemboard.

9.Followthefollowingsequencetoinstallthefourscrewstosecurethenewheatsinkandfanassembly. Donotover-tightenthescrews.

a.Partiallytightenscrew1,thenfullytightenscrew2,andthenfullytightenscrew1. b.Partiallytightenscrew3,thenfullytightenscrew4,andthenfullytightenscrew3.

10.Connectthenewheatsinkandfanassemblycabletothemicroprocessorfanconnectoronthesystem board.See“Locatingpartsonthesystemboard”onpage67.

11.T ocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage90.

Chapter9.ReplacingFRUs81

Replacingthepowersupplyassembly

Attention:

Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation” intheUserGuide.ToobtainacopyoftheUserGuide,goto: http://www.lenovo.com/ThinkCentreUserGuides

Thissectionprovidesinstructionsonhowtoreplacethepowersupplyassembly.

Althoughtherearenomovingpartsinyourcomputerafterthepowercordhasbeendisconnected,the followingwarningsarerequiredforyoursafetyandproperUnderwritersLaboratories(UL)certiﬁcation.

DANGER

Hazardousmovingparts.Keepﬁngersandotherbodypartsaway.

DANGER

Neverremovethecoveronapowersupplyoranypartthathasthefollowinglabelattached.

Hazardousvoltage,current,andenergylevelsarepresentinsideanycomponentthathasthislabel attached.Therearenoserviceablepartsinsidethesecomponents.Ifyoususpectaproblemwith oneoftheseparts,contactaservicetechnician.

Toreplacethepowersupplyassembly,dothefollowing:

1.T urnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage70.

3.Disconnectthepowersupplyassemblycablesfromalldrivesandfromthe24-pinpowerconnectorand 4-pinpowerconnectoronthesystemboard.See“Locatingpartsonthesystemboard”onpage67

4.Laythecomputeronitssideandremovethefourscrewsattherearofthechassisthatsecurethe powersupplyassembly.

Figure21.Removingthescrewsforthepowersupplyassembly

82LenovoH520eHardwareMaintenanceManual

5.Slidethepowersupplyassemblytothefrontofthecomputerandthenliftitoutofthechassis.

6.Makesurethatthenewpowersupplyassemblyisthecorrectreplacement.Somepowersupply assembliesautomaticallysensethevoltage,somepowersupplyassembliesarevoltagespeciﬁc,and somepowersupplyassemblieshaveavoltage-selectionswitch.Ifyourpowersupplyassemblyhas avoltage-selectionswitch,makesurethatyousetthevoltage-selectionswitchtomatchthevoltage availableatyourelectricaloutlet.Ifnecessary,useaballpointpentoslidethevoltage-selectionswitch tothecorrectposition.

•Ifthevoltagesupplyrangeinyourlocalcountryorregionis100–127Vac,setthevoltage-selection

switchto115V.

•Ifthevoltagesupplyrangeinyourlocalcountryorregionis200–240Vac,setthevoltage-selection

switchto230V.

7.Installthenewpowersupplyassemblyintothechassissothatthescrewholesinthepowersupply assemblyalignwiththoseinthechassis.

8.Installandtightenthefourscrewstosecurethepowersupplyassembly.

Note:UseonlyscrewsprovidedbyLenovo.

9.Reconnectthepowersupplyassemblycablestothesystemboardandeachofthedrives.

10.Securethepowersupplyassemblycableswiththecableclipsandtiesinthechassis.

11.T ocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage90.

Replacingthemicroprocessor

Attention:

Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation” intheUserGuide.ToobtainacopyoftheUserGuide,goto: http://www.lenovo.com/ThinkCentreUserGuides

Thissectionprovidesinstructionsonhowtoreplacethemicroprocessor.

CAUTION: Theheatsinkandmicroprocessormightbeveryhot.Turnoffthecomputerandwaitthreetoﬁve minutestoletthecomputercoolbeforeremovingthecomputercover.

Toreplacethemicroprocessor,dothefollowing:

1.T urnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage70.

3.Laythecomputeronitssideforeasieraccesstothesystemboard.

4.Removetheheatsinkandfanassembly.See“Replacingtheheatsinkandfanassembly”onpage80.

Note:Placetheheatsinkandfanassemblyonitssidesothatthethermalgreaseonthebottomofit doesnotgetincontactwithanything.

Chapter9.ReplacingFRUs83

5.Liftthesmallhandle1andopentheretainer2toaccessthemicroprocessor3.

Figure22.Accessingthemicroprocessor

6.Liftthemicroprocessorstraightupandoutofthemicroprocessorsocket.

Figure23.Removingthemicroprocessor

Notes:

a.Y ourmicroprocessorandsocketmightlookdifferentfromtheoneillustrated. b.Notetheorientationofthemicroprocessorinthesocket.Youcaneitherlookforthesmalltriangle1

ononecornerofthemicroprocessorornotetheorientationofthenotches2onthemicroprocessor. Thisisimportantwheninstallingthenewmicroprocessoronthesystemboard.

c.Touchonlytheedgesofthemicroprocessor.Donottouchthegoldcontactsonthebottom. d.Donotdropanythingontothemicroprocessorsocketwhileitisexposed.Thesocketpinsmustbe

keptascleanaspossible.

7.Makesurethatthesmallhandleisintheraisedpositionandthemicroprocessorretainerisfullyopen.

8.Removetheprotectivecoverthatprotectsthegoldcontactsofthenewmicroprocessor.

9.Holdthenewmicroprocessorbyitssidesandalignthesmalltriangleononecornerofthenew microprocessorwiththecorrespondingsmalltriangleononecornerofthemicroprocessorsocket.

84LenovoH520eHardwareMaintenanceManual

10.Lowerthenewmicroprocessorstraightdownintothemicroprocessorsocketonthesystemboard.

Figure24.Installingthemicroprocessor

11.Closethemicroprocessorretainerandlockitintopositionwiththesmallhandletosecurethenew microprocessorinthesocket.

12.Reinstalltheheatsinkandfanassembly.See“Replacingtheheatsinkandfanassembly”onpage80.

13.Reconnectallcablesthatweredisconnectedfromthesystemboard.

14.T ocompletethereplacement,goto“Completingthepartsreplacement”onpage90.

Replacingthesystemboard

Attention:

Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation” intheUserGuide.ToobtainacopyoftheUserGuide,goto: http://www.lenovo.com/ThinkCentreUserGuides

Thissectionprovidesinstructionsonhowtoreplacethesystemboard.

CAUTION: Theheatsinkandmicroprocessormightbeveryhot.Turnoffthecomputerandwaitthreetoﬁve minutestoletthecomputercoolbeforeremovingthecomputercover.

Toreplacethesystemboard,dothefollowing:

1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.

2.Removethecomputercover.See“Removingthecomputercover”onpage70.

3.Laythecomputeronitssideforeasieraccesstothesystemboard.

4.RemoveallmemorymodulesandPCIcardsthatarecurrentlyinstalled.See“Installingorreplacinga memorymodule”onpage76and“InstallingorreplacingaPCIcard”onpage72.

5.Carefullytakenoteofthelocationsofallcableconnectionsonthesystemboardanddisconnectall thecables.See“Locatingpartsonthesystemboard”onpage67.

6.Removetheheatsinkandfanassemblyfromthefailingsystemboard.See“Replacingtheheatsinkand fanassembly”onpage80

Chapter9.ReplacingFRUs85

7.Removethesixscrewsthatsecurethesystemboard.

Figure25.Removingthesixscrewsthatsecurethesystemboard

8.Carefullyslidethesystemboardsothatitcanbereleasedfromthemountingstudsthatsecurethe systemboardinplace.

9.Liftthesystemboardoutofthechassis.

10.Removethemicroprocessorfromthefailingsystemboardandinstallitonthenewsystemboard. See“Replacingthemicroprocessor”onpage83

11.Installthenewsystemboardintothechassisbyaligningthesixmountingstudsinthechassiswiththe correspondingholesinthenewsystemboard.Carefullyslidethenewsystemboardintothechassisuntil itissecuredinplacebythemountingstuds.Then,installthesixscrewstosecurethesystemboard.

12.Installtheheatsinkandfanassemblyandconnecttheheatsinkandfanassemblycabletothenew systemboard.See“Replacingtheheatsinkandfanassembly”onpage80

13.InstallallmemorymodulesandPCIcardsremovedfromthefailingsystemboardonthenewsystem board.See“Installingorreplacingamemorymodule”onpage76and“InstallingorreplacingaPCI card”onpage72.

14.Reconnectallremainingcablestothesystemboard.See“Locatingpartsonthesystemboard” onpage67

15.T ocompletethereplacement,goto“Completingthepartsreplacement”onpage90.

Thefailingsystemboardmustbereturnedwithamicroprocessorsocketcovertoprotectthepinsduring shippingandhandling.

Toinstallthemicroprocessorsocketcover,dothefollowing:

86LenovoH520eHardwareMaintenanceManual

1.Releasetheleversecuringthemicroprocessorretainerandopentheretainertoaccessthe microprocessor.

2.Graspthemicroprocessoronthesidesandliftitstraightupandoutofthesocket.Donottouchthe contactsonthemicroprocessorsocket.

3.Lowerthemicroprocessorretainer,andthenlowerthelevertosecuretheretainer.Makesurethe leverislockedintoposition.

4.Notetheorientationofthesocketcover,andinstallonesideofthesocketcoverintothemicroprocessor socket.

Figure26.Installingonesideofthesocketcoverintothemicroprocessorsocket

Note:Yourmicroprocessorsocketandcovermightlookslightlydifferentfromtheillustration.

5.Carefullypresstheothersideofthesocketcoverdownwarduntilthesocketcoversnapsintoposition.

6.Carefullycheckthefourcornersofthesocketcovertomakesurethatthecoverissecuredinthe microprocessorsocket.

7.Followanyadditionalinstructionsincludedwiththereplacementpartyoureceived.

Replacingtheprimaryharddiskdrive

Attention:

Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation” intheUserGuide.ToobtainacopyoftheUserGuide,goto: http://www.lenovo.com/ThinkCentreUserGuides

Thissectionprovidesinstructionsonhowtoreplacetheprimaryharddiskdrive.

Toreplacetheprimaryharddiskdrive,dothefollowing:

1.T urnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage70.

3.Locatetheprimaryharddiskdrive.See“Locatinginternaldrives”onpage67.

Note:Thereisalsoasecondaryharddiskdrivebayforyoutopurchaseandinstallasecondaryhard diskdrivebyyourself.Ifyouwanttoinstallasecondaryharddiskdrive,usethesamewayofinstalling theprimaryharddiskdrive.

4.Disconnectthesignalcableandthepowercablefromtheharddiskdrive.

5.Removethefourscrewsthatsecuretheharddiskdrive.Then,slidetheharddiskdriveoutofthechassis.

Chapter9.ReplacingFRUs87

Figure27.Removingtheprimaryharddiskdrive

6.Slidethenewharddiskdriveintotheharddiskdrivebayandalignthescrewholesinthenewhard diskdrivewiththecorrespondingholesinthedrivebay.Then,installthefourscrewstosecurethe newharddiskdriveinplace.

Figure28.Installingtheharddiskdrive

7.Connectoneendofthesignalcabletotherearofthenewharddiskdriveandtheotherendtoan availableSATAconnectoronthesystemboard.See“Locatingpartsonthesystemboard”onpage67. Then,locateanavailableﬁve-wirepowerconnectorandconnectittotherearofthenewharddiskdrive.

88LenovoH520eHardwareMaintenanceManual

Figure29.ConnectingaSATAharddiskdrive

8.T ocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage90.

ReplacingthefrontaudioandUSBassembly

Attention:

Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation” intheUserGuide.ToobtainacopyoftheUserGuide,goto: http://www.lenovo.com/ThinkCentreUserGuides

ThissectionprovidesinstructionsonhowtoreplacethefrontaudioandUSBassembly.

ToreplacethefrontaudioandUSBassembly,dothefollowing:

1.T urnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage70.

3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage71.

4.LocatethefrontaudioandUSBassembly.

5.DisconnectthefrontaudioandUSBassemblycablesfromthesystemboard.See“Locatingpartson thesystemboard”onpage67.

Note:Makesureyounotethelocationsofthecableswhenyoudisconnectthecablesfromthesystem board.

Chapter9.ReplacingFRUs89

6.RemovethescrewthatsecuresthefrontaudioandUSBassemblybrackettothechassistoremove thebracketfromthechassis.

Figure30.RemovingthefrontaudioandUSBassembly

7.InstallthenewfrontaudioandUSBassemblyintothechassisandalignthescrewholeinthebracket withthecorrespondingholeinthechassis.

8.InstallthescrewtosecurethenewfrontaudioandUSBassemblytothechassis.

9.ReconnectthefrontaudioandUSBassemblycablestothefrontaudioconnectorandthefrontUSB connectoronthesystemboard.See“Locatingpartsonthesystemboard”onpage67.

10.T ocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage90.

Completingthepartsreplacement

Aftercompletingtheinstallationorreplacementforallparts,youneedtoreinstallthecomputercoverand reconnectcables.Dependingonthepartsyouinstalledorreplaced,youmightneedtoconﬁrmtheupdated informationintheSetupUtilityprogram.RefertoChapter6“UsingtheSetupUtilityprogram”onpage53.

Toreinstallthecomputercoverandreconnectcablestoyourcomputer,dothefollowing:

1.Makesurethatallcomponentshavebeenreassembledcorrectlyandthatnotoolsorloosescrews areleftinsideyourcomputer.See“LocatingmajorFRUsandCRUs”onpage66 variouscomponentsinyourcomputer.

2.Makesurethatthecablesareroutedcorrectly.Keepcablesclearofthehingesandsidesofthe computerchassistoavoidinterferencewithclosingthecomputercover.

3.Ifyouhaveremovedthefrontbezel,reinstallit.See“Removingandreinstallingthefrontbezel”on page71.

forthelocationsof

90LenovoH520eHardwareMaintenanceManual

4.Positionthecomputercoveronthechassissothattherailguidesonthebottomofthecomputer coverengagetherailsonthechassis.Then,pushthecovertothefrontofthecomputeruntilitsnaps intoposition.

Figure31.Reinstallingthecomputercover

5.Ifthereisapadlockavailable,lockthecomputercover.

6.Ifthereisanintegratedcablelockavailable,lockthecomputer.

7.Reconnecttheexternalcablesandpowercordstothecomputer.See“Locatingconnectorsonthe rearofyourcomputer”onpage65

8.T oupdateyourconﬁguration,refertoChapter6“UsingtheSetupUtilityprogram”onpage53.

Note:Inmostareasoftheworld,LenovorequiresthereturnofthedefectiveCustomerReplaceableUnit (CRU).InformationaboutthiswillcomewiththeCRUorwillcomeafewdaysaftertheCRUarrives.

Chapter9.ReplacingFRUs91

92LenovoH520eHardwareMaintenanceManual

Chapter10.FRUlists

Thischapterliststheinformationontheﬁeldreplaceableunits(FRUs)forLenovodesktopcomputer.

Attention:BesuretoreadandunderstandallthesafetyinformationbeforereplacinganyFRUs.

Notes:FRUsthathavea1or2intheCRUcolumnareCustomerReplaceableUnits(CRUs).

•1–identiﬁespartsthatarefairlysimpletoreplace,requiringfewornotools.

•2–identiﬁespartsthatareslightlymoredifﬁculttoreplace.

•N-identiﬁespartsthatarenottobereplacedbythecustomer.

Description

Motherboard

IntelH61IVBDDR3mATX(GALevel)Sumba-WIN8 IntelH61IVBDDR3mATX(GALevel)Sumba-WIN8pro IntelH61IVBDDR3mATX(GALevel)Sumba-non-WIN8 EmATXIVBTPA@H61_ALC662_R8111E®-WIN8 EmATXIVBTPA@H61_ALC662_R8111E®-WIN8pro EmATXIVBTPA@H61_ALC662_R8111E®-nonWIN8

Processors

i7-3770SIvyBridge8MBLGA3.10GHz65W i5-3570SIvyBridge6MBLGA3.10GHz65W i5-3470SIvyBridge6MBLGA2.9GHz65W i3-324055WIvyBridge3.4GHz3MB2CLGA i3-322055WIvyBridge3.3GHz3MB2CLGA PentiumG2020IvyBridge3MBLGA2.9GHz55W CeleronG1610IvyBridge2MBLGA2.6GHz55W CeleronG550SANDYBRIDGE2MB2CFCLGA2.6GHZ65W

Memory

2GBPC3-128001600MHzDDR3UDIMM 2GBPC3-128001600MHzDDR4UDIMM 2GBPC3-128001600MHzDDR5UDIMM 2GBPC3-128001600MHzDDR6UDIMM 4GBPC3-128001600MHzDDR3UDIMM 4GBPC3-128001600MHzDDR4UDIMM 4GBPC3-128001600MHzDDR5UDIMM 4GBPC3-128001600MHzDDR6UDIMM

HardDiskDrive

SATA250GB7200RPM/3Gb/8M

Servicepartnumber (FRU)

03T7136N 03T7137N 03T7147N 03T7136N 03T7137N 03T7147N

03T6578N 03T6558N 03T6573N 03T8186N 03T8185N 03T7106N 03T7108N 03T6671N

03T65801 03T65801 03T65801 03T65801 03T65661 03T65661 03T65661 03T65661

40Y90362

CRUID

SATA250GB7200RPM/3Gb/8M SATA250GB7200RPM/3Gb/8M SATA250GB7200RPM/3Gb/8M SATA250GB7200RPM/3Gb/8M SATA250GB7200RPM/3Gb/8M SATA250GB7200RPM/3Gb/8M SATA250GB7200RPM/3Gb/8M SATA500GB7200RPM/3Gb/16M SATA500GB7200RPM/3Gb/16M SATA500GB7200RPM/3Gb/16M SATA500GB7200RPM/3Gb/16M SATA500GB7200RPM/3Gb/16M SATA500GB7200RPM/3Gb/16M SATA500GB7200RPM/3Gb/16M SATA500GB7200RPM/3Gb/16M SATA500GB7200RPM/3Gb/16M SATA1TB7200RPM/3Gb SATA1TB7200RPM/3Gb SATA1TB7200RPM/3Gb SATA1TB7200RPM/3Gb SATA1TB7200RPM/3Gb SATA1TB7200RPM/3Gb

OpticalDrive

DVD-ROMDrive-16x/48x-SATAforDOS DVD-ROMDrive-16x/48x-SATAforDOS DVD-ROMDrive-16x/48x-SATAforDOS DVD-ROMDrive-16x/48x-SATAforDOS DVD-ROMDrive-16x/48x-SATAforDOS DVD-ROMDrive-16x/48x-SATAforDOS DVD-ROMDrive-16x/48x-SATAforDOS DVD-ROMDrive-16x/48x-SATAforDOS DVDRecorderRambo8-SATA12XRAMWRITEforDOS DVDRecorderRambo8-SATA12XRAMWRITEforDOS DVDRecorderRambo8-SATA12XRAMWRITEforDOS DVDRecorderRambo8-SATA12XRAMWRITEforDOS DVDRecorderRambo8-SATA12XRAMWRITEforDOS DVDRecorderRambo8-SATA12XRAMWRITEforDOS DVDRecorderRambo8-SATA12XRAMWRITEforDOS DVDRecorderRambo8-SATA12XRAMWRITEforDOS DVDRecorderRambo8-SATA12XRAMWRITEforDOS

45K04082 45K04082 45K04082 03T70392 03T70392 45K06272 03T70392 45K04102 45K04102 45K04102 45K04102 03T70412 03T70412 45K06302 45K06292 03T70412 45K04122 45K04122 45K04122 03T70422 03T70422 45K06232

71Y55431 71Y55431 71Y55431 71Y55431 71Y55431 71Y55431 71Y55431 71Y55431 71Y55451 71Y55451 71Y55451 71Y55451 71Y55451 71Y55451 71Y55451 71Y55451 71Y55451

94LenovoH520eHardwareMaintenanceManual

VideoAdapter

HD74501G64bitDVI+DPWIN8A TXVIDEOCARD DVI_I(M)-VGA(F)adpater HD7350512M64bitDVI+DPWIN8ATXVIDEOCARD DVI_I(M)-VGA(F)adpater MSIG605512MDVI+DPWIN8ATXVideoCard DVI_I(M)-VGA(F)adpater

03T70911 54Y82551 03T70931 54Y82551 03T70961 54Y82551

Keyboard

LenovoSlimNewF5USBKeyboard-WIN8 LenovoSlimNewF5USBKeyboard-WIN8

54Y94941 54Y94941

Mouse

LenovoEnhancedOpticalUSBMouse LenovoEnhancedOpticalUSBMouse

45J48891 45J48891

PowerCord

C13PowerCord C13PowerCord C13PowerCord

45J95951 45J95951 45J95951

PowerSupply

TowerPS3180WforWW,exceptforJapan TowerPS3181WforWW,exceptforJapan TowerPS3182WforWW,exceptforJapan

54Y88472 54Y88472 54Y88472

Thermal

TowerIntelLGA115595W/65WCoolerKit TowerIntelLGA115595W/65WCoolerKit TowerIntelLGA115595W/65WCoolerKit SensorCable(300mm)kit(withholder) SensorCable(300mm)kit(withholder)

03T9513N 03T9513N 03T9513N 54Y9919N 54Y9919N

Speaker

LenovospeakerM0620(Black)

03T71421

CardReader

FRUSingleSlotSD

03T70441 FRUBLDsingleslot400mm-hcardreader03T90041 Fru-Cardreaderkit

03T95161

Mechanicals

FRU,Mechanicalkit,Sumba/321ZT,Foxconn FRU,TWRFrontpanelAss'yforbrazil,Sumba FRU,TWRChassisAss'yforbrazil,Sumba FRU,RearIOShield,ATX,H61(WithoutPS2),FOF,Punch FRU,USB-ASSY,forbrazil,TaipaiIVY20L FRU,Cardreaderbracket,Metal,T aipaiIVY20L

03T9955N

03T99561

03T9957N

03T9631N

03T9958N

03T9959N

Chapter10.FRUlists95

FRU,SM_321BT_SIDE_PANEL,forbrazil,TaipaiIVY20L FRU,BELT,Sumba20L FRU,WIRE_CLIP ,Sumba20L FRU,MB_RUBBER_01,Sumba20L FRU,MB_RUBBER_02,Sumba20L Frontmain41R6206N FRUFrontI_Ocable FRUSATACABLE FRUSATACABLE

03T9960N 03T9982N 03T9983N 03T9984N 03T9985N

54Y8274N 54Y9929N 54Y9948N

96LenovoH520eHardwareMaintenanceManual

Lenovo H520e User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Chapter1.Aboutthismanual

Importantsafetyinformation

Chapter2.Safetyinformation

Generalsafety

Electricalsafety

Voltage-selectionswitch

Safetyinspectionguide

Handlingelectrostaticdischarge-sensitivedevices

Groundingrequirements

Safetynotices(multi-lingualtranslations)

Chapter3.Generalinformation

LenovoSupportWebsite

Chapter4.Generalcheckout

Problemdeterminationtips

Chapter5.Troubleshootinganddiagnostics

Basictroubleshooting

AccessingControlPanelontheWindows8operatingsystem

Troubleshootingprocedure

Troubleshooting

Audioproblems

CDproblems

DVDproblems

Intermittentproblems

Harddiskdriveproblems

Keyboard,mouse,orpointingdeviceproblems

Monitorproblems

Networkingproblems

Optionproblems

Performanceandlockupproblems

Printerproblems

Serialportproblems

Softwareproblems

USBproblems

Diagnostics

LenovoSolutionCenter

Chapter6.UsingtheSetupUtilityprogram

StartingtheSetupUtilityprogram

Viewingandchangingsettings

Usingpasswords

Passwordconsiderations

Power-OnPassword

AdministratorPassword

HardDiskPassword

Setting,changing,anddeletingapassword

Erasinglostorforgottenpasswords(clearingCMOS)

Enablingordisablingadevice

Selectingastartupdevice

Selectingatemporarystartupdevice

Selectingorchangingthestartupdevicesequence

EnablingErPcompliancemode

ChangingtheBIOSsettingsbeforeinstallinganewoperatingsystem

ExitingtheSetupUtilityprogram

Chapter7.Symptom-to-FRUindex

Harddiskdrivebooterror

Powersupplyproblems

Beepsymptoms

POSTerrorcodes

Miscellaneouserrormessages

Undeterminedproblems

Chapter8.Locations

Locations

Locatingconnectors,controls,andindicatorsonthefrontofyour computer

Locatingconnectorsontherearofyourcomputer

LocatingmajorFRUsandCRUs

Locatingpartsonthesystemboard

Locatinginternaldrives

Chapter9.ReplacingFRUs

Handlingstatic-sensitivedevices

Installingorreplacinghardware

Removingthecomputercover

Removingandreinstallingthefrontbezel

InstallingorreplacingaPCIcard

Replacingthebattery

Installingorreplacingamemorymodule

Replacingtheopticaldrive

Replacingtheheatsinkandfanassembly