Lenovo Ideacentre H520S Hmm 20120627 User Manual Hardware Maintenance Desktop (Lenovo)

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H520S to the manual e0d73278-af8d-4291-8ebb-df2758020180

2012-06-26

User Manual: Lenovo Ideacentre H520S Hmm 20120627 Lenovo H520s Hardware Maintenance Manual H520s Desktop (Lenovo) Lenovo H520s Desktop

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LenovoH520s
HardwareMaintenanceManual
ideaideaideaCentreidea
MachineTypes:10093/2561/4746
LenovoH520s
HardwareMaintenanceManual
MachineTypes:10093/2561/4746
Contents
Chapter1.Aboutthismanual......1
ImportantSafetyInformation..........1
Chapter2.Safetyinformation......3
Generalsafety................3
Electricalsafety...............3
Safetyinspectionguide............5
Handlingelectrostaticdischarge-sensitive
devices..................5
Groundingrequirements............6
Safetynotices................6
Chapter3.Generalinformation.....9
Specications................9
Chapter4.GeneralCheckout.....11
Chapter5.UsingtheSetupUtility...13
StartingtheLenovoBIOSSetupUtilityprogram.13
Viewingandchangingsettings........13
Usingpasswords..............13
Enablingordisablingadevice........15
Selectingastartupdevice..........16
ExitingtheLenovoBIOSSetupUtilityprogram..17
Chapter6.Symptom-to-FRUIndex..19
Harddiskdrivebooterror..........19
PowerSupplyProblems...........19
POSTerrorcodes.............20
Undeterminedproblems...........20
Chapter7.Locatingconnectors,
controlsandcomponents......21
Chapter8.Replacinghardware....27
Generalinformation.............27
Replacingthekeyboardandmouse......28
Removingthecomputercover........28
Removingthefrontbezel..........29
Replacinganopticaldrive..........30
Replacingtheharddiskdrive.........32
Replacingamemorymodule.........33
ReplacingthePowersupply.........34
Replacingthegraphiccard..........35
Replacingthesystemfan..........37
Replacingthemicroprocessorfan.......37
Replacingtheheat-sink...........38
ReplacingtheCPU.............39
ReplacingtheWi-Ficard...........41
ReplacingthefrontUSB/cardreader/audio
module.................42
Replacingthemotherboard..........43
FRUlists.................45
Chapter9.Generalinformation....53
AdditionalServiceInformation........53
©CopyrightLenovo2012iii
ivLenovoH520sHardwareMaintenanceManual
Chapter1.Aboutthismanual
ThismanualcontainsserviceandreferenceinformationforLenovoH520scomputerslistedonthecover.It
isintendedonlyfortrainedservicerswhoarefamiliarwithLenovocomputerproducts.
BeforeservicingaLenovoproduct,besuretoreadtheSafetyInformation.
ThedescriptionoftheTVcardinthismanualisonlyusedforthemachineswhichhavetheTVcard.Itis
invalidforthosemachineswhichdonothaveTVcard.
ImportantSafetyInformation
Besuretoreadallcautionanddangerstatementsinthisbookbeforeperforminganyoftheinstructions.
VeuillezliretouteslesconsignesdetypeDANGERetATTENTIONduprésentdocumentavantd’exécuter
lesinstructions.
LesenSieunbedingtalleHinweisevomTyp“ACHTUNG”oder“VORSICHT”indieserDokumentation,bevor
SieirgendwelcheVorgängedurchführen
LeggereleistruzioniintrodottedaATTENZIONEePERICOLOpresentinelmanualeprimadieseguireuna
qualsiasidelleistruzioni
Certique-sedelertodasasinstruçõesdecuidadoeperigonestemanualantesdeexecutarqualquer
umadasinstruções
Esimportantequeleatodaslasdeclaracionesdeprecauciónydepeligrodeestemanualantesdeseguir
lasinstrucciones.
©CopyrightLenovo20121
2LenovoH520sHardwareMaintenanceManual
Chapter2.Safetyinformation
Thischaptercontainsthesafetyinformationthatyouneedtobefamiliarwithbeforeservicingacomputer.
Generalsafety
Followtheserulestoensuregeneralsafety:
•Observegoodhousekeepingintheareaofthemachinesduringandaftermaintenance.
•Whenliftinganyheavyobject:
1.Ensureyoucanstandsafelywithoutslipping.
2.Distributetheweightoftheobjectequallybetweenyourfeet.
3.Useaslowliftingforce.Nevermovesuddenlyortwistwhenyouattempttolift.
4.Liftbystandingorbypushingupwithyourlegmuscles;thisactionremovesthestrainfromthe
musclesinyourback.
Donotattempttoliftanyobjectsthatweighmorethan16kg(35lb)orobjectsthatyouthinkare
tooheavyforyou.
•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,drillingsoldering,cuttingwire,attachingsprings,using
solvents,orworkinginanyotherconditionsthatmightbehazardoustoyoureyes.
•Afterservice,reinstallallsafetyshields,guards,labels,andgroundwires.Replaceanysafetydevice
thatiswornordefective.
•Reinstallallcoverscorrectlybeforereturningthemachinetothecustomer.
Electricalsafety
CAUTION:
Electricalcurrentfrompower,telephone,andcommunicationcablescanbehazardous.Toavoid
personalinjuryorequipmentdamage,disconnecttheattachedpowercords,telecommunication
systems,networks,andmodemsbeforeyouopenthecomputercovers,unlessinstructedotherwise
intheinstallationandcongurationprocedures.
©CopyrightLenovo20123
Observethefollowingruleswhenworkingonelectricalequipment.
Important:Useonlyapprovedtoolsandtestequipment.Somehandtoolshavehandlescoveredwithasoft
materialthatdoesnotinsulateyouwhenworkingwithliveelectricalcurrents.Manycustomershave,near
theirequipment,rubberoormatsthatcontainsmallconductiveberstodecreaseelectrostaticdischarges.
Donotusethistypeofmattoprotectyourselffromelectricalshock.
•Findtheroomemergencypower-off(EPO)switch,disconnectingswitch,orelectricaloutlet.Ifanelectrical
accidentoccurs,youcanthenoperatetheswitchorunplugthepowercordquickly.
•Donotworkaloneunderhazardousconditionsornearequipmentthathashazardousvoltages.
•Disconnectallpowerbefore:
–Performingamechanicalinspection
–Workingnearpowersupplies
–RemovingorinstallingFieldReplaceableUnits(FRUs)
•Beforeyoustarttoworkonthemachine,unplugthepowercord.Ifyoucannotunplugit,askthecustomer
topower-offthewallboxthatsuppliespowertothemachineandtolockthewallboxintheoffposition.
•Ifyouneedtoworkonamachinethathasexposedelectricalcircuits,observethefollowingprecautions:
–Ensurethatanotherperson,familiarwiththepower-offcontrols,isnearyou.
Remember:Anotherpersonmustbetheretoswitchoffthepower,ifnecessary.
–Useonlyonehandwhenworkingwithpowered-onelectricalequipment;keeptheotherhandinyour
pocketorbehindyourback.
Remember:Theremustbeacompletecircuittocauseelectricalshock.Byobservingtheaboverule,
youmaypreventacurrentfrompassingthroughyourbody.
–Whenusingatester,setthecontrolscorrectlyandusetheapprovedprobeleadsandaccessoriesfor
thattester.
–Standonsuitablerubbermats(obtainedlocally,ifnecessary)toinsulateyoufromgroundssuchas
metaloorstripsandmachineframes.
Observethespecialsafetyprecautionswhenyouworkwithveryhighvoltages;theseinstructionsarein
thesafetysectionsofmaintenanceinformation.Useextremecarewhenmeasuringhighvoltages.
•Regularlyinspectandmaintainyourelectricalhandtoolsforsafeoperationalcondition.
•Donotusewornorbrokentoolsandtesters.
•Neverassumethatpowerhasbeendisconnectedfromacircuit.First,checkthatithasbeenpowered-off.
•Alwayslookcarefullyforpossiblehazardsinyourworkarea.Examplesofthesehazardsaremoistoors,
nongroundedpowerextensioncables,powersurges,andmissingsafetygrounds.
•Donottouchliveelectricalcircuitswiththereectivesurfaceofaplasticdentalmirror.Thesurfaceis
conductive;suchtouchingcancausepersonalinjuryandmachinedamage.
•Donotservicethefollowingpartswiththepoweronwhentheyareremovedfromtheirnormaloperating
placesinamachine:
–Powersupplyunits
–Pumps
–Blowersandfans
–Motorgenerators
andsimilarunits.(Thispracticeensurescorrectgroundingoftheunits.)
•Ifanelectricalaccidentoccurs:
–Usecaution;donotbecomeavictimyourself.
–Switchoffpower.
4LenovoH520sHardwareMaintenanceManual
–Sendanotherpersontogetmedicalaid.
Safetyinspectionguide
Theintentofthisinspectionguideistoassistyouinidentifyingpotentiallyunsafeconditionsonthese
products.Eachmachine,asitwasdesignedandbuilt,hadrequiredsafetyitemsinstalledtoprotectusers
andservicepersonnelfrominjury.Thisguideaddressesonlythoseitems.However,goodjudgmentshould
beusedtoidentifypotentialsafetyhazardsduetoattachmentoffeaturesoroptionsnotcoveredbythis
inspectionguide.
Ifanyunsafeconditionsarepresent,youmustdeterminehowserioustheapparenthazardcouldbeand
whetheryoucancontinuewithoutrstcorrectingtheproblem.
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.Thepowercordshouldbetheappropriatetypeasspeciedinthepartslistings.
c.Insulationmustnotbefrayedorworn.
4.Removethecover.
5.Checkforanyobviousalterations.Usegoodjudgmentastothesafetyofanyalterations.
6.Checkinsidetheunitforanyobviousunsafeconditions,suchasmetallings,contamination,wateror
otherliquids,orsignsofreorsmokedamage.
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-specicESDprocedureswhentheyexceedtherequirementsnotedhere.
2.MakesurethattheESDprotectivedevicesyouusehavebeencertied(ISO9000)asfullyeffective.
WhenhandlingESD-sensitiveparts:
•Keepthepartsinprotectivepackagesuntiltheyareinsertedintotheproduct.
Chapter2.Safetyinformation5
•Avoidcontactwithotherpeoplewhilehandlingthepart.
•Wearagroundedwriststrapagainstyourskintoeliminatestaticonyourbody.
•Preventthepartfromtouchingyourclothing.Mostclothingisinsulativeandretainsachargeevenwhen
youarewearingawriststrap.
•Usetheblacksideofagroundedworkmattoprovideastatic-freeworksurface.Thematisespecially
usefulwhenhandlingESD-sensitivedevices.
•Selectagroundingsystem,suchasthoselistedbelow,toprovideprotectionthatmeetsthespecic
servicerequirement.
Note:TheuseofagroundingsystemisdesirablebutnotrequiredtoprotectagainstESDdamage.
–AttachtheESDgroundcliptoanyframeground,groundbraid,orgreen-wireground.
–UseanESDcommongroundorreferencepointwhenworkingonadouble-insulatedor
battery-operatedsystem.Youcanusecoaxorconnector-outsideshellsonthesesystems.
–Usetheroundground-prongoftheacplugonac-operatedcomputers.
Groundingrequirements
Electricalgroundingofthecomputerisrequiredforoperatorsafetyandcorrectsystemfunction.Proper
groundingoftheelectricaloutletcanbeveriedbyacertiedelectrician.
Safetynotices
ThecautionanddangersafetynoticesinthissectionareprovidedinthethelanguageofEnglish.
DANGER
Electricalcurrentfrompower,telephoneandcommunicationcablesishazardous.
Toavoidashockhazard:
•Donotconnectordisconnectanycablesorperforminstallation,maintenance,orreconguration
ofthisproductduringanelectricalstorm.
•Connectallpowercordstoaproperlywiredandgroundedelectricaloutlet.
•Connecttoproperlywiredoutletsanyequipmentthatwillbeattachedtothisproduct.
•Whenpossible,useonehandonlytoconnectordisconnectsignalcables.
•Neverturnonanyequipmentwhenthereisevidenceofre,water,orstructuraldamage.
•Disconnecttheattachedpowercords,telecommunicationssystems,networks,andmodems
beforeyouopenthedevicecovers,unlessinstructedotherwiseintheinstallationandconguration
procedures.
•Connectanddisconnectcablesasdescribedinthefollowingtablewheninstalling,moving,or
openingcoversonthisproductorattacheddevices.
6LenovoH520sHardwareMaintenanceManual
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
Disposeofthebatteryasrequiredbylocalordinancesorregulations.
CAUTION:
Whenlaserproducts(suchasCD-ROMs,DVD-ROMdrives,beropticdevices,ortransmitters)are
installed,notethefollowing:
•Donotremovethecovers.Removingthecoversofthelaserproductcouldresultinexposureto
hazardouslaserradiation.Therearenoserviceablepartsinsidethedevice.
•Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthosespeciedherein
mightresultinhazardousradiationexposure.
DANGER
SomelaserproductscontainanembeddedClass3AorClass3Blaserdiode.Notethefollowing:
Laserradiationwhenopen.Donotstareintothebeam,donotviewdirectlywithoptical
instruments,andavoiddirectexposuretothebeam.
Chapter2.Safetyinformation7
≥18kg(37lbs)≥32kg(70.5lbs)≥55kg(121.2lbs)
CAUTION:
Usesafepracticeswhenlifting.
CAUTION:
Thepowercontrolbuttononthedeviceandthepowerswitchonthepowersupplydonotturnoff
theelectricalcurrentsuppliedtothedevice.Thedevicealsomighthavemorethanonepower
cord.Toremoveallelectricalcurrentfromthedevice,ensurethatallpowercordsaredisconnected
fromthepowersource.
1
2
CAUTION:
Donotplaceanyobjectweighingmorethan82kg(180lbs.)ontopofrack-mounteddevices.
8LenovoH520sHardwareMaintenanceManual
Chapter3.Generalinformation
Thischapterprovidesgeneralinformationthatappliestoallmachinetypessupportedbythispublication.
Specications
Thissectionliststhephysicalspecicationsforyourcomputer.
Thissectionliststhephysicalspecicationsforyourcomputer.
TypeLenovoH520s
Thissectionliststhephysicalspecications.
Environment
Airtemperature:
Operating:10°to35°C
Transit:-20°to55°C
Humidity:
Operating:35%to80%
Transit:20%to90%(40°C)
Altitude:86KPato106KPa
Electricalinput:
Inputvoltage:90V-264V(AC)
Inputfrequency:47Hz-63Hz
©CopyrightLenovo20129
10LenovoH520sHardwareMaintenanceManual
Chapter4.GeneralCheckout
Attention:Thedrivesinthecomputeryouareservicingmighthavebeenrearrangedorthedrivestartup
sequencechanged.Beextremelycarefulduringwriteoperationssuchascopying,saving,orformatting.
Dataorprogramscanbeoverwrittenifyouselectanincorrectdrive.
Generalerrormessagesappearifaproblemorconictisfoundbyanapplicationprogram,theoperating
system,orboth.Foranexplanationofthesemessages,refertotheinformationsuppliedwiththatsoftware
package.
Usethefollowingproceduretohelpdeterminethecauseoftheproblem:
1.Power-offthecomputerandallexternaldevices.
2.Checkallcablesandpowercords.
3.Setalldisplaycontrolstothemiddleposition.
4.Power-onallexternaldevices.
5.Power-onthecomputer.
•Lookfordisplayederrorcodes
•Lookforreadableinstructionsoramainmenuonthedisplay.
Ifyoudidnotreceivethecorrectresponse,proceedtostep6.
Ifyoudoreceivethecorrectresponse,proceedtostep7.
6.Lookatthefollowingconditionsandfollowtheinstructions:
•IfthecomputerdisplaysaPOSTerror,goto“POSTerrorcodes” .
•Ifthecomputerhangsandnoerrorisdisplayed,continueatstep7.
7.Iftheteststopsandyoucannotcontinue,replacethelastdevicetested.
©CopyrightLenovo201211
12LenovoH520sHardwareMaintenanceManual
Chapter5.UsingtheSetupUtility
TheSetupUtilityprogramisusedtoviewandchangethecongurationsettingsofyourcomputer,regardless
ofwhichoperatingsystemyouareusing.However,theoperating-systemsettingsmightoverrideanysimilar
settingsintheSetupUtilityprogram.
StartingtheLenovoBIOSSetupUtilityprogram
TostarttheLenovoBIOSSetupUtilityprogram,dothefollowing:
1.Ifyourcomputerisalreadyonwhenyoustartthisprocedure,shutdowntheoperatingsystemand
turnoffthecomputer.
2.PressandholdtheF1keythenturnonthecomputer.WhentheLenovoBIOSSetupUtilityprogramis
displayed,releasetheF1key.
Note:IfaPower-OnPasswordoranAdministratorPasswordhasbeenset,theSetupUtilityprogrammenu
isnotdisplayeduntilyoutypeyourpassword.Formoreinformation,see“Usingpasswords.”
Viewingandchangingsettings
SystemcongurationoptionsarelistedintheLenovoBIOSSetupUtilityprogrammenu.Tovieworchange
settings,see“StartingtheSetupUtilityprogram.”
YoumustusethekeyboardwhenusingtheLenovoBIOSSetupUtilitymenu.Thekeysusedtoperform
varioustasksaredisplayedonthebottomofeachscreen.
Usingpasswords
YoucanusetheLenovoBIOSSetupUtilityprogramtosetpasswordstopreventunauthorizedpersons
fromgainingaccesstoyourcomputeranddata.See“StartingtheSetupUtilityprogram.”Thefollowing
typesofpasswordsareavailable:
•AdministratorPassword
•Power-OnPassword
Youdonothavetosetanypasswordstouseyourcomputer.However,ifyoudecidetosetpasswords,read
thefollowingsections.
Passwordconsiderations
Apasswordcanbeanycombinationoflettersandnumbersupto16character(a-z,and0-9).Forsecurity
reasons,itisagoodideatouseastrongpasswordthatcannotbeeasilycompromised.Wesuggestthat
passwordsshouldfollowtheserules:
•Strongpasswordscontain7-16characters,combinelettersandnumbers.
•Donotuseyournameoryourusername.
•Donotuseacommonwordoracommonname.
•Besignicantlydifferentfromyourpreviouspassword.
Attention:AdministratorandPower-Onpasswordsarenotcasesensitive
©CopyrightLenovo201213
AdministratorPassword
SettinganAdministratorPassworddetersunauthorizedpersonsfromchangingcongurationsettings.You
mightwanttosetanAdministratorPasswordifyouareresponsibleformaintainingthesettingsofseveral
computers.
AfteryousetanAdministratorPassword,apasswordpromptisdisplayedeverytimeyouaccesstheLenovo
BIOSSetupUtilityprogram.
IfboththeAdministratorandPower-OnPasswordareset,youcantypeeitherpassword.However,youmust
useyourAdministratorPasswordtochangeanycongurationsettings.
Setting,changing,ordeletinganAdministratorpassword
TosetanAdministratorPassword,dothefollowing:
Note:Apasswordcanbeanycombinationoflettersandnumbersupto16character(a-z,and0-9).For
moreinformation,see“Passwordconsiderations”onpage13.
1.StarttheLenovoBIOSSetupUtilityprogram(see“StartingtheLenovoBIOSSetupUtilityprogram”on
page13).
2.FromtheSecuritymenu,selectSetAdministratorPasswordandpresstheEnterkey.
3.Thepassworddialogboxwillbedisplayed.TypethepasswordthenpresstheEnterkey.
4.Re-typethepasswordtoconrm,thenpresstheEnterkey.Ifyoutypethepasswordcorrectly,the
passwordwillbeinstalled.
TochangeanAdministratorPassword,dothefollowing:
1.StarttheLenovoBIOSSetupUtilityprogram(see“StartingtheLenovoBIOSSetupUtilityprogram”on
page13).
2.FromtheSecuritymenu,selectSetAdministratorPasswordandpresstheEnterkey.
3.Thepassworddialogboxwillbedisplayed.TypethecurrentpasswordthenpressEnterkey.
4.Typethenewpassword,thenpressEnterkey.Re-typethepasswordtoconrmthenewpassword,if
youtypethenewpasswordcorrectly,thenewpasswordwillbeinstalled.ASetupNoticewilldisplay
thatchangeshavebeensaved.
TodeleteapreviouslysetAdministratorPassword,dothefollowing:
1.FromtheSecuritymenu,selectSetAdministratorPasswordandpresstheEnterkey.
2.Thepassworddialogboxwillbedisplayed.TypethecurrentpasswordandpresstheEnterkey.
3.TodeleteanAdministratorPassword,Enterblankeldsforeachnewpasswordlineitem.Asetup
noticewilldisplaythatchangeshavebeensaved.
4.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.
5.SelectSavechangesandExitfromthemenu.
Power-OnPassword
WhenaPower-OnPasswordisset,youcannotstarttheLenovoBIOSSetupUtilityprogramuntilavalid
passwordistypedfromthekeyboard.
Setting,changing,ordeletingaPower-OnPassword
Note:Apasswordcanbeanycombinationoflettersandnumbersupto16character(a-z,and0-9).
14LenovoH520sHardwareMaintenanceManual
TosetaPower-OnPassword,dothefollowing:
1.StarttheLenovoBIOSSetupUtilityprogram(See”StartingtheLenovoBIOSSetupUtilityprogram”on
page13.)
2.FromtheSecuritymenu,selectSetPower-OnPasswordandpresstheEnterkey.
3.Thepassworddialogboxwillbedisplayed.Typethepassword,andpresstheEnterkey.
4.Re-typethepasswordtoconrm,ifyoutypethepasswordcorrectly,thepasswordwillbeinstalled.
TochangeaPower-OnPassword,dothefollowing:
1.StarttheLenovoBIOSSetupUtilityprogram(See”StartingtheLenovoBIOSSetupUtilityprogram”on
page13.)
2.FromtheSecuritymenu,selectSetPower-OnPasswordandpresstheEnterkey.
3.Thepassworddialogboxwillbedisplayed.TypethecurrentpasswordthenpresstheEnterkey.
4.Typethenewpassword,thenpresstheEnterkey.Re-typethepasswordtoconrmthenewpassword,
ifyoutypethenewpasswordcorrectly,thenewpasswordwillbeinstalled.Asetupnoticewilldisplay
thatchangeshavebeensaved.
TodeleteapreviouslysetPower-OnPassword,dothefollowing:
1.FromtheSecuritymenu,selectSetPower-OnPasswordandpresstheEnterkey.
2.Thepassworddialogboxwillbedisplayed.TypethecurrentpasswordandpresstheEnterkey.
3.TodeletethePower-OnPassword,Enterblankeldsforeachnewpasswordlineitem.Asetup
noticewilldisplaythatchangeshavebeensaved.
4.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.
5.SelectSavechangesandExitfromthemenu.
Enablingordisablingadevice
TheDevicesoptionsisusedtoenableordisableuseraccesstothefollowingdevices:
SerialPortSetupSelectthisoptiontoenableordisableSerialPort(com).
USBFunctionsSelectwhethertoenableordisableUSB(UniversalSerial
Bus)functions.Ifitisdisabled,theUSBkeyboardand/or
USBmousemaybenotabletobeusedwithoutdevice
driversupport.
ATADriveSetupSelectIDE,ACHImodeordisableSATAcontroller.Device
driversupportisrequiredforACHImode.Dependingon
howtheharddiskimagewasinstalled,changingthis
settingmaypreventthesystemfrombooting.
VideoSetupTocongurevideorelatedfunctions.Thisoptionallows
youtoconguresystem'sinitiategraphicadapterfrom
eitherIGD(IntegratedGraphicsDevice)orPEG(PCI
ExpressGraphics).KeepontheIGDenabledbasedon
thesetupoptions.
Chapter5.UsingtheSetupUtility15
OnboardAudioControllerSelectwhethertoenableordisabletheOnboardAudio
Controller,whenfeatureissettoDisabledalldevices
connectedtotheaudioconnectors(e.g.aheadphoneor
amicrophone)aredisabledandcan’tbeused.
OnboardEthernetControllerorLANBootAgentSelectwhethertoenableordisableOnboardEthernet
Controller,orselectwhethertoenableordisableload
onboardPXE(PrebootExecutionEnvironment),or
SMC(SecureManagedClient).Thisfeaturewillallow
thecomputertobootfromaserverimage.
Toenableordisableadevice,dothefollowing:
1.StarttheSetupUtilityprogram(see“StartingtheSetupUtilityprogram”onpage13).
2.FromtheSetupUtilityprogrammenu,selectDevices.
3.Select:
SerialPortSetuppresstheEnterkey,andthenselectSerialPortSetup.
USBSetuppresstheEnterkey,andthenselectUSBFunctions.
ATADeviceSetuppresstheEnterkey.SelectCongureSATAas,presstheEnterkeyandthen
selectSATAmode.
VideoSetuppresstheEnterkey,andthenselectVideoSetup.
AudioSetuppresstheEnterkey,andthenselectOnboardAudioController.
NetworkSetuppresstheEnterkey,thenselectOnboardEthernetSupportorLANBootAgent.
4.SelectDisabledorEnabledandpresstheEnterkey.
5.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.
6.SelectSavechangesandExitfromthemenu.
Note:Ifyoudonotwanttosavethesettings,selectDiscardchangesandExitfromthemenu.
Selectingastartupdevice
IfyourcomputerdoesnotbootfromadevicesuchastheCD/DVD-ROMdrivediskorharddiskasexpected,
followoneoftheproceduresbelow.
Selectingatemporarystartupdevice
Usethisproceduretostartupfromanybootdevice.
Note:NotallCDs,DVDsorharddiskdrivesarebootable.
1.Turnoffyourcomputer.
2.PressandholdtheF12keythenturnonthecomputer.WhentheStartupDeviceMenuappears,
releasetheF12key.
Note:IftheStartupDeviceMenudoesnotdisplayusingthesesteps,repeatedlypressandreleasethe
F12keyratherthankeepingitpressedwhenturningonthecomputer.
3.Use↑and↓arrowstoselectthedesiredstartupdevicefromtheStartupDeviceMenuandpress
theEnterkeytobegin.
Note:SelectingastartupdevicefromtheStartupDeviceMenudoesnotpermanentlychangethe
startupsequence.
Selectingorchangingthestartupdevicesequence
16LenovoH520sHardwareMaintenanceManual
Tovieworpermanentlychangetheconguredstartupdevicesequence,dothefollowing:
1.StarttheLenovoBIOSSetupUtilityprogram(see“StartingtheLenovoBIOSSetupUtilityprogram”on
page13).
2.FromtheLenovoBIOSSetupUtilityprogrammainmenu,selecttheStartupoption.
3.PresstheEnterkey,andselectthedevicesforthePrimaryBootSequence.Readtheinformation
displayedontherightsideofthescreen.
4.Use↑and↓arrowstoselectadevice.Usethe<+>or<->keystomoveadeviceupordown.Usethe
<×>keytoexcludethedevicefromorincludethedeviceinthebootsequence.
5.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.
6.SelectSavechangesandExitfromthemenu.
Notes:
a.Ifyoudonotwanttosavethesettings,selectDiscardchangesandExitfromthemenu.
b.Ifyouhavechangedthesesettingsandwanttoreturntothedefaultsettings,selectLoadOptimal
Defaultsfromthemenu.
ExitingtheLenovoBIOSSetupUtilityprogram
Afteryounishviewingorchangingsettings,presstheEsckeytoreturntotheLenovoBIOSSetupUtility
programmainmenu.YoumighthavetopresstheEsckeyseveraltimes.Dooneofthefollowing:
•Ifyouwanttosavethenewsettings,selectSavechangesandExitfromthemenu.WhentheSave&
resetwindowshows,selecttheY esbutton,andthenpresstheEnterkeytoexittheLenovoBIOS
SetupUtilityprogram.
•Ifyoudonotwanttosavethesettings,selectDiscardchangesandExitfromthemenu.Whenthe
ResetWithoutSavingwindowshows,selecttheYesbutton,andthenpresstheEnterkeytoexitthe
SetupUtilityprogram.
Chapter5.UsingtheSetupUtility17
18LenovoH520sHardwareMaintenanceManual
Chapter6.Symptom-to-FRUIndex
TheSymptom-to-FRUindexlistserrorsymptomsandpossiblecauses.Themostlikelycauseislistedrst.
AlwaysbeginwithChapter4,“GeneralCheckout,”onpage11.Thisindexcanalsobeusedtohelpyou
decidewhichFRUstohaveavailablewhenservicingacomputer.Ifyouareunabletocorrecttheproblem
usingthisindex,goto“Undeterminedproblems”onpage20.
Notes:
•Ifyouhavebothanerrormessageandanincorrectaudioresponse,diagnosetheerrormessagerst.
•Ifyoucannotrunthediagnostictestsoryougetadiagnosticerrorcodewhenrunningatestbutdid
receiveaPOSTerrormessage,diagnosethePOSTerrormessagerst.
•Ifyoudidnotreceiveanyerrormessagelookforadescriptionofyourerrorsymptomsintherstpartof
thisindex.
Harddiskdrivebooterror
Aharddiskdrivebooterrorcanhavethefollowingcauses.
ErrorFRU/Action
Thestartupdriveisnotincludedinthebootsequence
inconguration.
Checkthecongurationandensurethestartupdriveis
inthebootsequence.
Nooperatingsysteminstalledonthebootdrive.Installanoperatingsystemonthebootdrive.
Thebootsectoronthestartupdriveiscorrupted.Thedrivemustbeformatted.Dothefollowing:
1.Attempttoback-upthedataonthefailingharddisk
drive.
2.Usetheoperatingsystemtoformattheharddisk
drive.
Thedriveisdefective.Replacetheharddiskdrive.
PowerSupplyProblems
Followtheseproceduresifyoususpectthereisapowersupplyproblem.
Check/VerifyFRU/Action
Checkthatthefollowingareproperlyinstalled:
•PowerCord
•On/OffSwitchconnector
•SystemBoardPowerSupplyconnectors
•Microprocessor(s)connection
Reseatconnectors
Checkthepowercord.PowerCord
Checkthepower-onswitch.Power-onSwitch
©CopyrightLenovo201219
POSTerrorcodes
Eachtimeyouturnthecomputeron,itperformsaseriesofteststocheckthatthesystemisoperating
correctlyandthatcertainoptionsareset.ThisseriesoftestsiscalledthePower-OnSelf-Test,orPOST.
POSTdoesthefollowing:
•Checkssomebasicsystem-boardoperations
•Checksthatthememoryisworkingcorrectly
•Startsvideooperations
•Veriesthatthebootdriveisworking
POSTErrorMessageDescription/Action
KeyboarderrorCannotinitializethekeyboard.Makesurethekeyboard
isproperlyconnectedtothecomputerandthatnokeys
areheldpressedduringPOST.Topurposelycongure
thecomputerwithoutakeyboard,selectKeyboardless
operationinStartupoptiontoEnabled.TheBIOSthen
ignoresthemissingkeyboardduringPOST.
RebootandSelectproperBootdeviceorInsertBoot
MediainselectedBootdevice
TheBIOSwasunabletondasuitablebootdevice.Make
surethebootdriveisproperlyconnectedtothecomputer.
Makesureyouhavebootablemediainthebootdevice.
Undeterminedproblems
1.Power-offthecomputer.
2.Removeordisconnectthefollowingcomponents(ifconnectedorinstalled)oneatatime.
a.Externaldevices(modem,printer,ormouse)
b.Extendedvideomemory
c.ExternalCache
d.ExternalCacheRAM
e.Harddiskdrive
f.Diskdrive
3.Power-onthecomputertore-testthesystem.
4.Repeatsteps1through3untilyoundthefailingdeviceorcomponent.
Ifalldevicesandcomponentshavebeenremovedandtheproblemcontinues,replacethesystemboard.
20LenovoH520sHardwareMaintenanceManual
Chapter7.Locatingconnectors,controlsandcomponents
Thissectionprovidesillustrationstohelplocatethevariousconnectors,controlsandcomponentsofthe
computer.
©CopyrightLenovo201221
Fontview
Thefollowingillustrationshowsthelocationofcontrolsandcomponentsonthefrontofthecomputer.
Attention:Becarefulnottoblockanyairventsonthecomputer.Blockedairventscancauseoverheating.
1.Powerbutton5.Headphoneconnector
2.Memorycardreader(selectedmodelsonly)6.OpticalDrive(selectedmodelsonly)
3.USBconnectors7.Harddiskdriveindicator
4.Opticaldriveejectbutton8.Microphoneconnector
Attention:TheeffectiverangeoftheBuilt-inIREmitteris10feet(3m).
22LenovoH520sHardwareMaintenanceManual
Rearview
Thefollowingillustrationshowsthelocationofconnectorsandcomponentsontherearofthecomputer.
1.USBconnectors6.Audioconnectors
2.WiFiantenna(selectedmodelsonly)7.PCIExpressX16graphicsadapterconnector(some
modelsareequippedwithagraphicscard)
3.HDMIconnector(selectedmodelsonly)8.PCIExpressX1adapterconnector(somemodelsare
equippedwithUSB3.0orTVtunercard)
4.On-boardVGAconnector9.Powerconnector
5.Ethernetconnector10.Voltageselectionswitch(selectedmodelsonly)
Chapter7.Locatingconnectors,controlsandcomponents23
Hardwarecomponents
Thefollowingillustrationshowsthecomponentsthatmakeupyourcomputer.
3
1
2
4
5
1.Heatsinkandmicroprocessorfan4.Harddiskdrive
2.Systemboard5.Powersupply
3.Opticaldiskdriveandbay
24LenovoH520sHardwareMaintenanceManual
Identifyingpartsonthemotherboard
Themotherboard(sometimescalledtheplanarorsystemboard)isthemaincircuitboardinyourcomputer.
Itprovidesbasiccomputingfunctionsandsupportsavarietyofdevicesthatarefactory-installedorthat
youcaninstalllater.Thefollowingillustrationshowsthelocationofconnectorsandcomponentsonthe
frontofthemotherboard.
12345
6
7
8
9
10
11
12141315161718
1.12Vpowerconnector11.Frontpanelconnector
2.Microprocessorandheatsink12.ClearCMOSjumper
3.Microprocessorfanheader13.FrontUSBconnectors(2)
4.Memoryslots(2)14.MiniPCI-Eslot
5.Thermalsensorheader15.Modeswitchconnector
6.Powerconnector16.Serial(COM2)connector
7.Battery17.PCIexpressX1adapterslots(3)
8.SATAconnectors(3)18.Frontaudioconnector
9.eSATAconnector19.PCIexpressX16adapterslot
10.Powerfanheader20.Systemfanheader
Chapter7.Locatingconnectors,controlsandcomponents25
26LenovoH520sHardwareMaintenanceManual
Chapter8.Replacinghardware
Attention:Donotremovethecomputercoverorattemptanyrepairbeforereadingthe“Importantsafetyinformation”
intheSafetyandWarrantyGuidethatwasincludedwithyourcomputer.ToobtaincopiesoftheSafetyandWarranty
Guide,gototheSupportWebsiteat:http://consumersupport.lenovo.com.
Note:UseonlypartsprovidedbyLenovo.
Generalinformation
Pre-disassemblyinstructions
Beforeproceedingwiththedisassemblyprocedure,makesurethatyoudothefollowing:
1.Turnoffthepowertothesystemandallperipherals.
2.Unplugallpowerandsignalcablesfromthecomputer.
3.Placethesystemonaat,stablesurface.
©CopyrightLenovo201227
Replacingthekeyboardandmouse
Toreplacethekeyboardandmouse
Step1.Removeanymedia(disks,CDs,DVDsormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”
and“Rearview”forhelpwithlocatingthevariousconnectors.
Note:YourkeyboardwillbeconnectedtoaUSBconnectorononesideorattherearofthe
computer.
Step4.Disconnectthedefectivekeyboardcablefromthecomputerandconnectthenewkeyboardcable
tothesameconnector.
Note:Themousecanbereplacedusingthesamemethod.
Removingthecomputercover
Attention:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches
orotherdamage.
Toremovethecomputercover:
Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”
and“Rearview”forhelpwithlocatingthevariousconnectors.
28LenovoH520sHardwareMaintenanceManual
Step4.Removethe2screwsthatsecurethecomputercoverattherearofthechassis.
Step5.Toreinstallthecomputercover:
a.Lineupthecomputercoverwiththechassisthenslideitback.
b.Securethecomputercovertothechassiswiththescrews.
Removingthefrontbezel
Attention:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Chapter8.Replacinghardware29
Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches
orotherdamage.
Toremovethefrontbezel:
Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”
and“Rearview”forhelpwithlocatingthevariousconnectors.
Step4.Removethecomputercover.Referto“Removingthecomputercover”.
Step5.Removethefrontbezelbyreleasingthethreeplastictabsinsidethechassisandpushingthe
bezeloutwardasshown.
Step6.Toreattachthebezel:
a.Aligntheplastictabsonthebottomofthebezelwiththecorrespondingholesinthechassis,
andthensnapitintopositionatthebottomandtopofthechassis.
Step7.Reattachthecomputercover.
Replacinganopticaldrive
Note:Forthisprocedure,ithelpstolaythecomputerat.
Toreplaceanopticaldrive:
Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”
and“Rearview”forhelpwithlocatingthevariousconnectors.
Step4.Removethecomputercover.Referto“Removingthecomputercover”.
Step5.Removethefrontbezel.Referto“Removingthefrontbezel”.
30LenovoH520sHardwareMaintenanceManual
Step6.Removethe2screwsthatsecuretheopticaldiskdrivebaytothechassis.1
Step7.Slideouttheopticaldiskdrivebay,thenliftitup.2
1
2
Step8.Disconnectthedataandpowercablesfromtherearoftheopticaldrive.3
Step9.Removethe2screwsthatsecuretheopticaldrivetotheopticaldrivebay4andpushtheoptical
drivestraightoutofthefrontofthedrivebay.5
4
5
3
Step10.Toinstallthenewopticaldrive:
a.Slidethenewopticaldriveintothebayfromthefront,thenattachittothedrivebaywith
thescrews.
b.Connectthedataandpowercablestothenewopticaldrive.
Chapter8.Replacinghardware31
c.Slidetheopticaldiskdrivebayback,thenpushitinandreattachittothechassiswiththe
screws.
Step11.Reattachthefrontbezel,computercover.
Replacingtheharddiskdrive
Note:Forthisprocedure,ithelpstolaythecomputerat.
Toreplacetheharddiskdrive:
Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”
and“Rearview”forhelpwithlocatingthevariousconnectors.
Step4.Removethecomputercover.Referto“Removingthecomputercover”.
Step5.Removethefrontbezel.Referto“Removingthefrontbezel”.
Step6.Removetheopticaldiskdrivebay.Referto“Replacinganopticaldrive”.
Step7.Removethescrewthatsecurestheharddiskdrivebaytothechassis.
Step8.Slideouttheharddiskdrivebay,thenliftitup.Disconnectthedataandpowercablesfrom
theharddiskdrive.
1
2
3
4
Step9.Removethe4screwsthatsecuretheharddiskdrivetothebay.
32LenovoH520sHardwareMaintenanceManual
Step10.Slidetheharddiskdriveoutofthebay.
Step11.Installthenewharddiskdrive：
a.Insertthenewharddiskdriveintothedrivebay.
b.Screwbackthe4screwsonthedrivebay.
c.Attachthedataandpowercablestothenewharddiskdrive.
d.Lineuptheharddiskdrivebay,thenslideitin.Reattachittothechassiswiththescrews.
Step12.Reattachtheopticaldrive,frontbezelandcomputercover.
Replacingamemorymodule
Note:Forthisprocedure,ithelpstolaythecomputerat.
Toreplaceanopticaldrive:
Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”
and“Rearview”forhelpwithlocatingthevariousconnectors.
Step4.Removethecomputercover.Referto“Removingthecomputercover” .
Step5.Locatethememorymoduleconnectors.Referto“Locatingcomponents” .
Chapter8.Replacinghardware33
Step6.Removethememorymodulebeingreplacedbyopeningtheretainingclipsasshown.
Step7.Positionthenewmemorymoduleoverthememoryconnector.Makesurethenotch1onthe
memorymoduleiscorrectlyalignedwiththeconnectorkey2onthesystemboard.Pushthe
memorymodulestraightdownintotheconnectoruntiltheretainingclipsclose.
Step8.Reattachthecomputercover.
ReplacingthePowersupply
Note:Forthisprocedure,ithelpstolaythecomputerat.
ToreplacethePowersupply:
Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”
and“Rearview”forhelpwithlocatingthevariousconnectors.
Step4.Removethecomputercover.Referto“Removingthecomputercover”.
Step5.Removethefrontbezel.Referto“Removingthefrontbezel”.
Step6.Disconnectthepowercablesfromtheconnectorsonmotherboard.
Step7.Removethe3screwsthatsecurethePowersupplytothechassis.
34LenovoH520sHardwareMaintenanceManual
Step8.SlidethenliftthePowersupplyoutofchassis.
Step9.Installthenewpowersupply：
a.Lineuptheholesonthenewpowersupplywithmountingholesontherearofthechassisand
secureittothechassiswiththe3screws.
b.Connectthepowercablestotheconnectorsonthemotherboard.
Step10.Reattachthefrontbezel,computercover.
Replacingthegraphiccard
Toreplacethegraphiccard:
Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”
and“Rearview”forhelpwithlocatingthevariousconnectors.
Step4.Removethecomputercover.Referto“Removingthecomputercover”.
Chapter8.Replacinghardware35
Step5.Removethescrewthatsecuresthegraphiccardtothechassis,andslideoutthemetalbracket.
Step6.Pushthepinthatlockthegraphiccard,andpullitupthenslideitouttoremoveit.
Step7.Toinstallthenewgraphiccard:
a.Slidetheninsertthenewgraphiccardtothesameconnectoronthemotherboard.
b.Reattachthemetalbracketbackintopositionandsecurethegraphiccardtothechassis
withthescrew.
Step8.Reattachthecomputercover.
36LenovoH520sHardwareMaintenanceManual
Replacingthesystemfan
Toreplacethesystemfan:
Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”
and“Rearview”forhelpwithlocatingthevariousconnectors.
Step4.Removethecomputercover.Referto“Removingthecomputercover”.
Step5.Removethefrontbezel.Referto“Removingthefrontbezel”.
Step6.Disconnectthefanpowercablefromtheconnectoronthemotherboard.
Step7.Removethe4screwsthatsecurethesystemfantotheheat-sink,slidethenliftthesystemfan
outtoremoveit.
Step8.Toinstallthenewsystemfan:
a.Lineupthenewsystemfanwiththechassisandsecureittothechassiswith3screws.
b.Connectthesystemfanpowercabletotheconnectorontheboard.
Step9.Reattachthefrontbezel,computercover.
Replacingthemicroprocessorfan
Toreplacethemicroprocessorfan:
Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”
and“Rearview”forhelpwithlocatingthevariousconnectors.
Step4.Removethecomputercover.Referto“Removingthecomputercover”.
Step5.Disconnectthefanpowercablefromtheconnectoronthemotherboard.
Chapter8.Replacinghardware37
Step6.Removethe4screwsthatsecurethemicroprocessorfantotheheat-sinkandliftupthe
microprocessorfantoremoveit.
Step7.Toinstallthenewmicroprocessorfan:
a.Lineupthenewmicroprocessorfanwiththeheat-sinkandsecureittotheheat-sinkwith
4screws.
b.Connectthemicroprocessorfanpowercabletotheconnectorontheboard.
Step8.Reattachthecomputercover.
Replacingtheheat-sink
Note:Forthisprocedure,ithelpstolaythecomputerat.
Toreplacetheheat-sink:
Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
38LenovoH520sHardwareMaintenanceManual
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”
and“Rearview”forhelpwithlocatingthevariousconnectors.
Step4.Removethecomputercover.Referto“Removingthecomputercover”.
Step5.Removethemicroprocessorfan.Referto“Replacingthemicroprocessorfan”.
Step6.Removethe4screwsthatsecuretheheat-sinktothemotherboard.
Step7.Liftuptheheat-sinktoremoveit.
Step8.Installthenewheat-sink：
a.Lineupthescrewsonthenewheat-sinkwithmountingholesonthemotherboardandsecure
itwiththe4screws.
b.Reattachthemicroprocessorfantotheheat-sink.
c.Reconnectthemicroprocessorfanpowercabletotheconnectoronthemotherboard.
Step9.Reattachthecomputercover.
ReplacingtheCPU
Note:Forthisprocedure,ithelpstolaythecomputerat.
ToreplacetheCPU:
Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”
and“Rearview”forhelpwithlocatingthevariousconnectors.
Step4.Removethecomputercover.Referto“Removingthecomputercover”.
Step5.Removethemicroprocessorfan.Referto“Replacingthemicroprocessorfan”.
Chapter8.Replacinghardware39
Step6.Removetheheat-sink.Referto“Replacingtheheat-sink”.
Step7.Toremovethemicroprocessor3fromthesystemboard,pressthenslidethesmallhandleout
tospringitup.1andopentheretainer.2
Attention:Donottouchthegoldcontactsonthebottomofthemicroprocessor.Whenhandingthe
microprocessor,touchonlythesides.
Note:Donotdropanythingontothemicroprocessorsocketwhileitisexposed.Thesocketpinsmust
bekeptascleanaspossible.
40LenovoH520sHardwareMaintenanceManual
Step8.Holdingthesidesofthemicroprocessorwithyourngers,removetheprotectivecover1that
protectsthegoldcontactsonthenewmicroprocessor.2
Step9.Holdingthesidesofthemicroprocessorwithyourngers,positionthemicroprocessorsothatthe
notchesonthemicroprocessorarealignedwiththetabsinthemicroprocessorsocket.
Important:Toavoiddamagingthemicroprocessorcontacts,keepthemicroprocessorcompletelylevel
whileinstallingitintothesocket.
Step10.Lowerthemicroprocessorstraightdownintoitssocketonthemotherboard.
Step11.Tosecurethemicroprocessorinthesocket,closethemicroprocessorretainerandlockitinto
positionwiththesmallhandle.
Step12.Useathermalgreasesyringetoplace5dropsofgreaseonthetopofthemicroprocessor.Each
dropofgreaseshouldbe0.03ml(3tickmarksonthegreasesyringe).
Step13.Reattachtheheat-sink,microprocessorfan,andthecomputercover.
ReplacingtheWi-Ficard
Note:Forthisprocedure,ithelpstolaythecomputerat.
Chapter8.Replacinghardware41
ToreplacetheWi-Ficard:
Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”
and“Rearview”forhelpwithlocatingthevariousconnectors.
Step4.Removethecomputercover.Referto“Removingthecomputercover”.
Step5.Disconnectthe2antennacablesfromtheWi-Ficard.
Step6.Removethe2screwsthatsecuretheWi-Ficardtothemotherboard.
Step7.PulltheWi-Ficardupwardtoremoveitfromthecardport.
Step8.InstallthenewWi-Ficard:
a.LineupthenewWi-Ficard,theninsertitintothesamecardport.
b.SecuretheWi-Ficardtothemotherboardwiththe2screws.
c.Connectthe2antennacablestothenewWi-Ficard.
Step9.Reattachthecomputercover.
ReplacingthefrontUSB/cardreader/audiomodule
Note:Forthisprocedure,ithelpstolaythecomputerat.
ToreplacethethefrontUSB/cardreader/audiomodule:
42LenovoH520sHardwareMaintenanceManual
Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”
and“Rearview”forhelpwithlocatingthevariousconnectors.
Step4.Removethecomputercover.Referto“Removingthecomputercover”.
Step5.Removethefrontbezel.Referto“Removingthefrontbezel”.
Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive”.
Step7.Removetheharddiskdrive.Referto“Replacingtheharddiskdrive”.
Step8.Removethepowersupply.Referto“Replacingthepowersupply”.
Step9.Disconnectthedatacablesfromtheconnectorsonmotherboard.
Step10.RemovethescrewthatsecuresthefrontUSB/cardreader/audiomoduletothechassis.
Step11.SlideoutthefrontUSB/cardreader/audiomoduleoutofchassis.
Step12.InstallthenewfrontUSB/cardreader/audiomodule:
a.SlidethefrontUSB/cardreader/audiomoduleinandsecureitwithscrew.
b.Connectthedatacablestothemotherboard.
c.Reattachthepowersupply,harddiskdriveandopticaldrive.
Step13.Reattachthefrontbezel,computercover.
Replacingthemotherboard
Note:Forthisprocedure,ithelpstolaythecomputerat.
Toreplacethemotherboard:
Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”
and“Rearview”forhelpwithlocatingthevariousconnectors.
Chapter8.Replacinghardware43
Step4.Removethecomputercover.Referto“Removingthecomputercover”.
Step5.Removethefrontbezel.Referto“Removingthefrontbezel”.
Step6.Removethememorymodule.Referto“Replacingamemorymodule”.
Step7.Removetheopticaldrive.Referto“Replacingtheopticaldrive”.
Step8.Removetheharddiskdrive.Referto“Replacingtheharddiskdrive”.
Step9.Removethepowersupply.Referto“Replacingthepowersupply”.
Step10.Removethemicroprocessorfan.Referto“Replacingthemicroprocessorfan”.
Step11.Removetheheat-sink.Referto“Replacingtheheat-sink”.
Step12.Removethegraphiccard.Referto“Replacingthegraphiccard”.
Step13.RemovetheTV-Tunercard.Referto“ReplacingtheTV-T unercard”.
Step14.RemovetheWi-Ficard.Referto“ReplacingtheWi-Ficard”.
Step15.RemovetheCPU.Referto“ReplacingtheCPU”.
Step16.Disconnecttheallcablesfromtheconnectorsonmotherboard.
Step17.Removethe6screwsthatsecurethemotherboardtothechassis.
Step18.Liftupthemotherboardtoremoveit.
Step19.Installthenewmotherboard:
a.Lineuptheholesonthenewmotherboardwithmountingholesonthechassisandsecure
itwithscrews.
b.Reattachthememorymodule,Wi-Ficard,CPU,heat-sinkandmicroprocessorfantothenew
motherboard.
c.Connecttheallcablestothenewmotherboard.
d.Reattachthepowersupply,harddiskdrive,opticaldrive,graphiccardandtheTV-Tunercard.
Step20.Reattachthefrontbezel,computercover.
44LenovoH520sHardwareMaintenanceManual
FRUlists
Thischapterliststheinformationontheeldreplaceableunits(FRUs).
Attention:BesuretoreadandunderstandallthesafetyinformationbeforereplacinganyFRUs.
Notes:FRUsthathavea1or2intheCRUcolumnareCustomerReplaceableUnits(CRUs).
•1–identiespartsthatarefairlysimpletoreplace,requiringfewornotools.
•2–identiespartsthatareslightlymoredifculttoreplace.
•N-identiespartsthatarenottobereplacedbythecustomer.
FRULenovoP/NCRUID
Processor
ICi7-26003.4/1333/8/115595D2CPU®1007192
ICi5-25003.3/1333/6/115595D2CPU®1007193
ICi5-24003.1/1333/6/115595D2CPU®1007194
II5-23203.0/1333/6/115595D2CPU®1100103
II3-21303.4/1333/3/115565Q0CPU®1-100102
ISNBCi321203.3/3M/1155/65/GT1Q-0®1-007388
IG8603.0/1333/3/115565Q0CPU®1100105
IIPPG8502.9/1333/3/1155/65Q0CPU®1-007498
IG6302.7/1333/3/115565Q0CPU®1-100104
IG5402.5/1066/2/115565Q0CPU®1-100088
IG5302.4/1066/2/115565Q0CPU®1-100089
II7-37703.4/1600/8/115577E1CPU1100335
II5-35503.3/1600/6/115577E1CPU1100337
II5-34503.1/1600/6/115577E1CPU1100338
N
MotherBoard
ECSH61MATX1.095WMB@RTL8111F_A662®11200369
N
Memory
HMT325U6CFR8C-H92GBD3-1333RAM-HF1-100200
MT8KTF25664AZ-1G4M12GBD3-1333RAM-HF1-100201
Mic_RD9PFW2GBDDRIII1333RAM(R)1-100186
Mic_SD9PFW2GBDDRIII1333RAM(R)1-100187
Elp_RJ2108BCSE-DJ-F2GBDDRIII1333RAM®1-007495
Psc_SA3P2GF3CKF-GDJ2GBD3-1333RAM1-100044
M378B5773DH0-CH9002GBDDRIII1333RAM®1-007407
Mic_SD9LGK2GBDDRIII1333RAM(R)1-006968
HMT325U6BFR8C-H92GBDDRIII1333RAM®1-006931
MT8JTF25664AZ-1G4D12GBDDRIII1333RAM(R)1-007003
HMT325U6CFR8C-H92GBD3-1333RAM-HF1-100200
2
Chapter8.Replacinghardware45
MT8KTF25664AZ-1G4M12GBD3-1333RAM-HF1-100201
Mic_RD9PFW2GBDDRIII1333RAM(R)1-100186
Mic_SD9PFW2GBDDRIII1333RAM(R)1-100187
Elp_RJ2108BCSE-DJ-F2GBDDRIII1333RAM®1-007495
Psc_SA3P2GF3CKF-GDJ2GBD3-1333RAM1-100044
M378B5773DH0-CH9002GBDDRIII1333RAM®1-007407
Mic_SD9LGK2GBDDRIII1333RAM(R)1-006968
HMT325U6BFR8C-H92GBDDRIII1333RAM®1-006931
MT8JTF25664AZ-1G4D12GBDDRIII1333RAM(R)1-007003
HMT325U6CFR8C-H92GBD3-1333RAM-HF1-100200
HMT351U6CFR8C-H94GBD3-1333RAM-HF1-100203
MT8KTF25664AZ-1G4M12GBD3-1333RAM-HF1-100201
MT16KTF51264AZ-1G4M14GBD3-1333RAM-HF1-100204
Mic_SD9PFW2GBDDRIII1333RAM(R)1-100187
Mic_SD9PFW4GBDDRIII1333RAM(R)1-100189
Elp_RJ2108BCSE-DJ-F2GBDDRIII1333RAM®1-007495
Elp_RJ2108BCSE-DJ-F4GBDDRIII1333RAM®1-100007
M378B5773DH0-CH9002GBDDRIII1333RAM®1-007407
M378B5273DH0-CH9004GBDDRIII1333RAM®1-007408
HMT351U6CFR8C-H94GBD3-1333RAM-HF1-100203
MT16KTF51264AZ-1G4M14GBD3-1333RAM-HF1-100204
Mic_RD9PFW4GBDDRIII1333RAM(R)1-100188
Mic_SD9PFW4GBDDRIII1333RAM(R)1-100189
Psc_SA3P2GF3CKF-GDJ4GBD3-1333RAM(R)1-100154
Elp_RJ2108BCSE-DJ-F4GBDDRIII1333RAM®1-100007
M378B5273DH0-CH9004GBDDRIII1333RAM®1-007408
MT16JTF51264AZ-1G4D14GBDDRIII1333RAM(R)1-006919
HMT351U6BFR8C-H9N04GBDDRIII1333RAM(R)1-006920
HMT351U6CFR8C-H94GBD3-1333RAM-HF1-100203
MT16KTF51264AZ-1G4M14GBD3-1333RAM-HF1-100204
Mic_RD9PFW4GBDDRIII1333RAM(R)1-100188
Mic_SD9PFW4GBDDRIII1333RAM(R)1-100189
Psc_SA3P2GF3CKF-GDJ4GBD3-1333RAM(R)1-100154
Elp_RJ2108BCSE-DJ-F4GBDDRIII1333RAM®1-100007
M378B5273DH0-CH9004GBDDRIII1333RAM®1-007408
MT16JTF51264AZ-1G4D14GBDDRIII1333RAM(R)1-006919
HMT351U6BFR8C-H9N04GBDDRIII1333RAM(R)1-006920
M378B5773DH0-CK02GBD3-1600RAM-HF1-100209
HMT325U6CFR8C-PB2GBD3-1600RAM-HF1-100210
MT8KTF25664AZ-1G6M12GBD3-1600RAM-HF1-100211
46LenovoH520sHardwareMaintenanceManual
M378B5773DH0-CK02GBD3-1600RAM-HF1-100209
HMT325U6CFR8C-PB2GBD3-1600RAM-HF1-100210
MT8KTF25664AZ-1G6M12GBD3-1600RAM-HF1-100211
M378B5773DH0-CK02GBD3-1600RAM-HF1-100209
M378B5273DH0-CK04GBD3-1600RAM-HF1-100213
HMT325U6CFR8C-PB2GBD3-1600RAM-HF1-100210
HMT351U6CFR8C-PB4GBD3-1600RAM-HF1-100214
MT8KTF25664AZ-1G6M12GBD3-1600RAM-HF1-100211
MT16KTF51264AZ-1G6M14GBD3-1600RAM-HF1-100215
M378B5273DH0-CK04GBD3-1600RAM-HF1-100213
HMT351U6CFR8C-PB4GBD3-1600RAM-HF1-100214
MT16KTF51264AZ-1G6M14GBD3-1600RAM-HF1-100215
M378B5273DH0-CK04GBD3-1600RAM-HF1-100213
HMT351U6CFR8C-PB4GBD3-1600RAM-HF1-100214
MT16KTF51264AZ-1G6M14GBD3-1600RAM-HF1-100215
HardDrive
HitachiJupiterHDS721025CLA382250GLHHDD16-004327
SeagatePharaoh6Gb/sST3250312AS250GHDDLH16-200062
WDXL500SM6GWD2500AAKX-083CA1250GHDD-LH16-200029
SeagatePharaoh4KST250DM000250GHDD-LH16-200176
HitachiHDS721032CLA362320G16M7200SATA2HDD(R/LH)16-004326
SeagatePharaoh6Gb/sST3320413AS320GHDDL16-200063
WDXL500SM6GWD3200AAKX-083CA1320GHDD-LH16-200030
SeagatePharaoh4KST320DM000320GHDD-LH16-200177
HitachiHDS721050CLA362500G16M7200SATA2HDD(R/LH)16-004325
SeagatePharaoh6Gb/sST3500413AS500GHDDLH16-200064
WDXL500SM6GWD5000AAKX-083CA1500GHDD-LH16-200031
SeagatePharaoh4KST500DM002500GHDD-LH16-200178
SeagatePharaoh6Gb/sST31000524AS1TBHDDLH16-200065
WDXL500SM6GWD10EALX-089BA11TBGHDD-LH16-200032
SeagateGrenadaST1000DM0031TBHDD-LH16-200182
SeagateGrenadaST1500DM0031.5TBHDD-LH16-200183
HitachiHDS723020BLA6422T64M7200SATA6GHDD-LH16-005286
SeagateGrenadaST2000DM0012TBHDD-LH16-200184
2
Chapter8.Replacinghardware47
OpticalDrive
Optiarc16XDDU1681SSATABlackDVDROM-LH25-012134
HLDS16XDH40NSATABlackDVDROM-LH25-010324
TSST16XTS-H353CSATABlackDVDROM-LH25-008082
PLDS16XDH-16D6SHSATABlackDVDROM-LH25-200415
Panasonic16XSW410SATABlackDVDROM-LH25-201489
TSST16XSH-216ABSATABlackDVDRW-LH25-200416
HLDS16XGH70NSATABlackDVDRW-LH25-200485
Optiarc16XAD-7290HSATABlackDVDRW-LH25-201497
PLDS16XDH-16ACSHSATABlackDVDRW-LH25-201626
Panasoinc16XSW810SATABlackDVDRW-LH25-201490
PLDSDH-12B2SHHHBlackBDRecorder-LH25-202896
HLDSBH30NBlackBDRecorder-LH（BE）25-200322
2
GraphicCard
MSI@Geforce605@1G/A/DB/HLPVideoCard11-200732
MSI@Geforce605@512M/A/DB/HLPVideoCard11-200734
Bitland@Geforce605@512M/A/DB/HLPVideoCard11-200738
MSI@HD7570@2G/A/DB/HLPVideoCard11-200577
Bitland@HD7450@1G/A/DB/HLPVideoCard11-200454
MSI@HD7450@1G/A/DB/HLPVideoCard11-200455
Bitland@HD7450@512M/A/DB/H/LPVideoCard11-200450
MSI@HD7450@512M/A/DB/H/LPVideoCard11-200451
Bitland@GeforceGT620@1G/A/DB/HLPVideoCard11-200740
2
Mechanical
JiaTianH6195WMBreatI/Oshield31500888
JiaTianWi-FiAntennaShield31501130
JiaTianVGAportRubberCap31049015
JiaTianHDMIportRubberCap31049017
N
PowerSupply
AcBelPC9059-EL0GTFX180WPowerSupply®36001904
LiteonPS-5181-02VG-ROHSTFX180WPowerSupply®36001905
AcBelPC9053-EL0G240WPowerSupply(R）36001859
LiteonPS-5241-02VF-RoHS240WPowerSupply®36001860
HuntKeyHK340-71FP240WPowerSupply®36001861
LiteonPS-5241-03VA-RoHS240W85%PowerSupply®36001862
FSP240-50SBV240W85%PowerSupply®36001863
N
FanModule
FoxconnPKP736G01K(D)12ZFan31-501179
TaisolCEL3172836A6Fan31-501178
AVCDS09225R12HP251FrontFan31500949
N
48LenovoH520sHardwareMaintenanceManual
TVTunner
YUANPE988DDVB-T&AnalogTVTunnerLowProle11012022
JYTSBTVD-TTVTunnerLowProle11-012933
JYTDMB-THTVT unnerLowProle11012935
YUANPE988AATSC&AnalogTVT unnerLowProle11012023
2
USB3.0PCI-EInterfaceCard
SANTAI720202USB3.0LowProle11200845
JiaTianM2X3RubberMatedScrew31501076
N
Wi-FiPCI-EInterfaceCard
CBTAR948511nSBHMCWiFicard(wowl)11200354
LTNRTL8188CE11nSBHMCWiFicard(wowl)11200352
N
CardReader
TaisolGL827S7in1Single_SReader11200646
BitlandRTS51797in1Single_SReader11200647
N
Speaker
LenovoM0620（Black）25013742
1
RemoteController
PhillipsWin7IRBlack43-keyRemoteController888010934
PhillipsWin7IRReceiver888010662
1
Cables
Luxshare200mmSATACable31501044
Grandsun200mmSATACable31501045
LuxsharecreteFrontPanelCable_U600mm_A500mm31501042
GrandsuncreteFrontPanelCable_U600mm_A500mm31501043
LuxshareCreteRearwiantenna_350mm31501049
LuxshareCretefrontwiantenna_550mm31501048
Luxshare400mmsensorcable_6Pin(withholder)31-042884
Grandsun400mmsensorcable_6Pin(withholder)31-042885
Luxshare1.8mDVICable31-501245
Luxshare200mmHDMItoDVI-D-Scable(R)31-041295
N
Monitor
LenovoD186Wide/TPV/A/R/WW18004625
LenovoL1961wA/TPV/A/R/WW18-004737
LenovoL2062wA/TPV/A/R/WW18-004891
LenovoL2262wA/TPV/A/R/WW18-004685
LenovoL2364wA/TPV/A/R/WW18-200040
N
Chapter8.Replacinghardware49
Keyboard&Mouse
SunrexLXH-EKB-10YA(TH)B-SilkKB-LVT25200495
SunrexLXH-EKB-10YA(CZ-SL)B-SilkKB-LVT25200496
SunrexLXH-EKB-10YA(IN)B-SilkKB-LVT25200497
SunrexLXH-EKB-10YA(US-EU)B-SilkKB-LVT25200498
SunrexLXH-EKB-10YA(RU)B-SilkKB-LVT25200499
SunrexLXH-EKB-10YA(UK)B-SilkKB-LVT25200500
SunrexLXH-EKB-10YA(Nordic)B-SKB-LVT25200501
SunrexLXH-EKB-10YA(LA)B-SilkKB-LVT25200502
SunrexLXH-EKB-10YA(AR)B-SilkKB-LVT25200503
SunrexLXH-EKB-10YA(SW)B-SilkKB-LVT25200504
SunrexLXH-EKB-10YA(GE)B-SilkKB-LVT25200505
SunrexLXH-EKB-10YA(TR)B-SilkKB-LVT25200506
SunrexLXH-EKB-10YA(IS)B-SilkKB-LVT25200507
SunrexLXH-EKB-10YA(PT)B-SilkKB-LVT25200508
SunrexLXH-EKB-10YA(SP)B-SilkKB-LVT25200509
SunrexLXH-EKB-10YA(SL)B-SilkKB-LVT25200510
SunrexLXH-EKB-10YA(NL)B-SilkKB-LVT25200511
SunrexLXH-EKB-10YA(IT)B-SilkKB-LVT25200512
SunrexLXH-EKB-10YA(HB)B-SilkKB-LVT25200513
SunrexLXH-EKB-10YA(FR)B-SilkKB-LVT25200514
SunrexLXH-EKB-10YA(BE)B-SilkKB-LVT25200515
SunrexLXH-EKB-10YA(GK)B-SilkKB-LVT25200516
SunrexLXH-EKB-10YA(HG)B-SilkKB-LVT25200517
SunrexLXH-EKB-10YA(BG)B-SilkKB-LVT25200518
SunrexLXH-EKB-10YA(HR)B-SilkKB-LVT25200519
SunrexLXH-EKB-10YA(BR)B-SilkKB-LVT25200520
SunrexLXH-EKB-10YA(JP)B-SilkKB-LVT25200521
SunrexLXH-EKB-10YA(EN-FR)B-SKB-LVT25201039
1
LiteonSK-8861(US)S-SilkKB-Black(WW)90200692
LiteonSK-8861(US-MY)S-SilkKB-Black(WW)90200693
LiteonSK-8861(TW)S-SilkKB-Black(WW)90200694
LiteonSK-8861(TH)S-SilkKB-Black(WW)90200695
LiteonSK-8861(CS-SK)S-SilkKB-Black(WW)90200696
LiteonSK-8861(US-IN)S-SilkKB-Black(WW)90200697
LiteonSK-8861(US-EU)S-SilkKB-Black(WW)90200698
LiteonSK-8861(RU)S-SilkKB-Black(WW)90200699
LiteonSK-8861(GB)S-SilkKB-Black(WW)90200700
LiteonSK-8861(Nordic)S-SilkKB-Black(WW)90200701
LiteonSK-8861(LA)S-SilkKB-Black(WW)90200702
2
50LenovoH520sHardwareMaintenanceManual
LiteonSK-8861(LA-AR)S-SilkKB-Black(WW)90200703
LiteonSK-8861(SA)S-SilkKB-Black(WW)90200704
LiteonSK-8861(CH)S-SilkKB-Black(WW)90200705
LiteonSK-8861(DE)S-SilkKB-Black(WW)90200706
LiteonSK-8861(TR)S-SilkKB-Black(WW)90200707
LiteonSK-8861(IS)S-SilkKB-Black(WW)90200708
LiteonSK-8861(ES)S-SilkKB-Black(WW)90200709
LiteonSK-8861(PT)S-SilkKB-Black(WW)90200710
LiteonSK-8861(SL)S-SilkKB-Black(WW)90200711
LiteonSK-8861(NL)S-SilkKB-Black(WW)90200712
LiteonSK-8861(IT)S-SilkKB-Black(WW)90200713
LiteonSK-8861(IL)S-SilkKB-Black(WW)90200714
LiteonSK-8861(FR)S-SilkKB-Black(WW)90200715
LiteonSK-8861(BE)S-SilkKB-Black(WW)90200716
LiteonSK-8861(GR)S-SilkKB-Black(WW)90200717
LiteonSK-8861(HU)S-SilkKB-Black(WW)90200718
LiteonSK-8861(BG)S-SilkKB-Black(WW)90200719
LiteonSK-8861(KR)S-SilkKB-Black(WW)90200720
LiteonSK-8861(BR)S-SilkKB-Black(WW)90200721
LiteonSK-8861(JP)S-SilkKB-Black(WW)90200722
LiteonSK-8861(EN-FR)S-SilkKB-Black(WW)90200723
LiteonSM-8861(WW)MouseBlack90200724
LiteonSM-8861Mouse(NoBattery)Black90200725
LiteonSM-8861(JP)Mouse-Black(WW)90200779
2
LiteonLXH-SM-8825B-SilkMouse25200528
ChiconyLXH-MSU-1111B-SilkMouse25200529
ChiconyLXH-MSU-1111B-SilkMouse25203466
SunrexLXH-EMS-10ZAB-SilkMouse25200530
1
Chassis
FoxconnLX-326ATAchassisfrontbezel90200592
LuxshareCreteLED/switchcable_500mm31501046
GrandsunCreteLED/switchcable_500mm31501047
GrandsuncreteFrontpanelcable_U600mm_A500mm31501043
Grandsun400mmsensorcable_6Pinwithholder31042885
BitlandRTS51797in1cardreader11200647
JiaTianLX-326ATA2chassisfrontbezel90201253
LuxsharecreteFrontpanelcable_U600mm_A500mm31501042
Taisol7in1cardreader11200646
AVCDS09225R12HP251FrontFan31500949
Taisol7in1cardreader11200864
N
Chapter8.Replacinghardware51
Luxsharecrete4.0LED/switchcable_500mm31501652
Luxsharecrete4.0Frontpanelcable_U600mm_A500mm31501651
LiteonPA-1650-52LC19V3.42Aadaptor(EPS2.0)36001678
FoxconnLX-326ATDchassisfrontbezel90201254
52LenovoH520sHardwareMaintenanceManual
Chapter9.Generalinformation
Thischapterprovidesgeneralinformationthatappliestoallmachinetypessupportedbythispublication.
AdditionalServiceInformation
Thischapterprovidesadditionalinformationthattheservicerepresentativemightndhelpful.
Powermanagement
Powermanagementreducesthepowerconsumptionofcertaincomponentsofthecomputersuchasthe
systempowersupply,processor,harddiskdrives,andsomemonitors.
Advancedcongurationandpowerinterface(ACPI)BIOS
AsthiscomputerhasanACPIBIOSsystem,theoperatingsystemisallowedtocontrolthepower
managementfeaturesofthecomputerandthesettingsforAdvancedPowerManagement(APM)BIOSmode
isignored.NotalloperatingsystemssupportACPIBIOSmode.
AutomaticPower-Onfeatures
TheAutomaticPower-OnfeatureswithinthePowerManagementmenuallowyoutoenableanddisable
featuresthatturnonthecomputerautomatically.
•WakeUponAlarm:Youcanspecifyadateandtimeatwhichthecomputerwillbeturnedonautomatically.
Thiscanbeeitherasingleevent,adailyeventoraweeklyevent.
•WakeUponLAN:ThisfeatureallowsLANadaptercardtowaketheSystem.
©CopyrightLenovo201253

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