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Lenovo B540p User Manual

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Page 1
IdeaCentreB540–B540P
ideaideaideaCentreidea
HardwareMaintenanceManual
Page 2
Page 3
IdeaCentreB540–B540P HardwareMaintenanceManual
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ThirdEdition(July2013)25th
©CopyrightLenovo2013.
LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwarearedeliveredpursuantaGeneralServices Administration“GSA”contract,use,reproduction,ordisclosureissubjecttorestrictionssetforthinContractNo. GS-35F-05925
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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
Replacingthepowercordorpoweradapter...28
Removingthecomputercover........29
Removingthecomputerstand........30
Replacingamemorymodule.........31
Replacingtheharddiskdrive.........32
Replacingtheopticaldrive..........33
Removingthemiddlecover.........35
Replacingtheconverterboard........37
RemovingtheEMIcover...........38
Replacingthecamera............39
ReplacingtheBluetoothmodule........40
Replacingthebattery............41
Replacingthesystemfan..........42
Removingthepowersupply.........43
Replacingtheheat-sink...........44
ReplacingtheCPU.............46
ReplacingtherearI/Omodule........48
ReplacingtheWi-Ficard...........49
ReplacingtheTVtunercard.........50
Replacingthespeakersystem........51
Replacingthetouchcontrolboard.......52
Replacingthescalarboard..........53
Replacingthemotherboard..........54
ReplacingtheLEDpanelmodule.......55
FRUlists.................57
Chapter9.Generalinformation....65
AdditionalServiceInformation........65
©CopyrightLenovo2013
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Chapter1.Aboutthismanual

ThismanualcontainsserviceandreferenceinformationforIdeaCentreB540&B540Pcomputerslistedon thecover.ItisintendedonlyfortrainedservicerswhoarefamiliarwithLenovocomputerproducts.
BeforeservicingaLenovoproduct,besuretoreadtheSafetyInformation.
ThedescriptionoftheTVcardinthismanualisonlyusedforthemachineswhichhavetheTVcard.Itis invalidforthosemachineswhichdonothaveTVcard.

ImportantSafetyInformation

Besuretoreadallcautionanddangerstatementsinthisbookbeforeperforminganyoftheinstructions.
VeuillezliretouteslesconsignesdetypeDANGERetA TTENTIONduprésentdocumentavantd’exécuter lesinstructions.
LesenSieunbedingtalleHinweisevomT yp“ACHTUNG”oder“VORSICHT”indieserDokumentation,bevor SieirgendwelcheVorgängedurchführen
LeggereleistruzioniintrodottedaATTENZIONEePERICOLOpresentinelmanualeprimadieseguireuna qualsiasidelleistruzioni
Certique-sedelertodasasinstruçõesdecuidadoeperigonestemanualantesdeexecutarqualquer umadasinstruções
Esimportantequeleatodaslasdeclaracionesdeprecauciónydepeligrodeestemanualantesdeseguir lasinstrucciones.
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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.T oavoid personalinjuryorequipmentdamage,disconnecttheattachedpowercords,telecommunication systems,networks,andmodemsbeforeyouopenthecomputercovers,unlessinstructedotherwise intheinstallationandcongurationprocedures.
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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.
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–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
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•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.
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ToConnect
1.TurneverythingOFF .
2.First,attachallcablestodevices.
3.Attachsignalcablestoconnectors.
4.Attachpowercordstooutlet.
5.TurndeviceON.
ToDisconnect
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
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≥18kg(37lbs)≥32kg(70.5lbs)≥55kg(121.2lbs)
1
2
CAUTION: Usesafepracticeswhenlifting.
CAUTION: Thepowercontrolbuttononthedeviceandthepowerswitchonthepowersupplydonotturnoff theelectricalcurrentsuppliedtothedevice.Thedevicealsomighthavemorethanonepower cord.Toremoveallelectricalcurrentfromthedevice,ensurethatallpowercordsaredisconnected fromthepowersource.
CAUTION: Donotplaceanyobjectweighingmorethan82kg(180lbs.)ontopofrack-mounteddevices.
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Chapter3.Generalinformation

Thischapterprovidesgeneralinformationthatappliestoallmachinetypessupportedbythispublication.
Specications
Thissectionliststhephysicalspecicationsforyourcomputer.
Thissectionliststhephysicalspecicationsforyourcomputer.
TypeIdeaCentreB540&B540P
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
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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.
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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
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AdministratorPassword
SettinganAdministratorPassworddetersunauthorizedpersonsfromchangingcongurationsettings.Y ou 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.T ypethenewpassword,thenpressEnterkey.Re-typethepasswordtoconrmthenewpassword,if youtypethenewpasswordcorrectly,thenewpasswordwillbeinstalled.ASetupNoticewilldisplay thatchangeshavebeensaved.
TodeleteapreviouslysetAdministratorPassword,dothefollowing:
1.FromtheSecuritymenu,selectSetAdministratorPasswordandpresstheEnterkey.
2.Thepassworddialogboxwillbedisplayed.TypethecurrentpasswordandpresstheEnterkey.
3.T odeleteanAdministratorPassword,Enterblankeldsforeachnewpasswordlineitem.Asetup noticewilldisplaythatchangeshavebeensaved.
4.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.
5.SelectSavechangesandExitfromthemenu.
Power-OnPassword
WhenaPower-OnPasswordisset,youcannotstarttheLenovoBIOSSetupUtilityprogramuntilavalid passwordistypedfromthekeyboard.
Setting,changing,ordeletingaPower-OnPassword
Note:Apasswordcanbeanycombinationoflettersandnumbersupto16character(a-z,and0-9).
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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.T ypethenewpassword,thenpresstheEnterkey.Re-typethepasswordtoconrmthenewpassword, ifyoutypethenewpasswordcorrectly,thenewpasswordwillbeinstalled.Asetupnoticewilldisplay thatchangeshavebeensaved.
TodeleteapreviouslysetPower-OnPassword,dothefollowing:
1.FromtheSecuritymenu,selectSetPower-OnPasswordandpresstheEnterkey.
2.Thepassworddialogboxwillbedisplayed.TypethecurrentpasswordandpresstheEnterkey.
3.T odeletethePower-OnPassword,Enterblankeldsforeachnewpasswordlineitem.Asetup noticewilldisplaythatchangeshavebeensaved.
4.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.
5.SelectSavechangesandExitfromthemenu.

Enablingordisablingadevice

TheDevicesoptionsisusedtoenableordisableuseraccesstothefollowingdevices:
USBFunctionsSelectwhethertoenableordisableUSB(UniversalSerial
Bus)functions.Ifthefunctionsaredisabled,noUSB devicescanbeused.
ATADriveSetupSelectIDEorACHImode.Devicedriversupportis
requiredforACHImode.Dependingonhowtheharddisk imagewasinstalled,changingthissettingmayprevent thesystemfrombooting.
OnboardAudioControllerSelectwhethertoenableordisabletheOnboardAudio
Controller,whenfeatureissettoDisabledalldevices
connectedtotheaudioconnectors(e.g.aheadphoneor amicrophone)aredisabledandcan’tbeused.
OnboardEthernetControllerorBootAgentSelectwhethertoenableordisableOnboardEthernet
Controller,orselectwhethertoenableordisableload onboardPXE(PrebootExecutionEnvironment),or SMC(SecureManagedClient).Thisfeaturewillallow
thecomputertobootfromaserverimage.
Toenableordisableadevice,dothefollowing:
1.StarttheSetupUtilityprogram(see“StartingtheSetupUtilityprogram”onpage13).
2.FromtheSetupUtilityprogrammenu,selectDevices.
3.Select:
Chapter5.UsingtheSetupUtility15
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USBSetuppresstheEnterkey,andthenselectUSBFunctions.
ATADeviceSetuppresstheEnterkey.SelectCongureSAT Aas,presstheEnterkeyandthen
selectSATAmode.
AudioSetuppresstheEnterkey,andthenselectOnboardAudioController.
NetworkSetuppresstheEnterkey,thenselectOnboardEthernetSupportorBootAgent.
4.SelectDisabledorEnabledandpresstheEnterkey.
5.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.
6.SelectSavechangesandExitfromthemenu.
Note:Ifyoudonotwanttosavethesettings,selectDiscardchangesandExitfromthemenu.

Selectingastartupdevice

IfyourcomputerdoesnotbootfromadevicesuchastheCD/DVD-ROMdrivediskorharddiskasexpected, followoneoftheproceduresbelow.
Selectingatemporarystartupdevice
Usethisproceduretostartupfromanybootdevice.
Note:NotallCDs,DVDsorharddiskdrivesarebootable.
1.T urnoffyourcomputer.
2.PressandholdtheF12keythenturnonthecomputer.WhentheStartupDeviceMenuappears, releasetheF12key.
Note:IftheStartupDeviceMenudoesnotdisplayusingthesesteps,repeatedlypressandreleasethe F12keyratherthankeepingitpressedwhenturningonthecomputer.
3.Use↑and↓arrowstoselectthedesiredstartupdevicefromtheStartupDeviceMenuandpress theEnterkeytobegin.
Note:SelectingastartupdevicefromtheStartupDeviceMenudoesnotpermanentlychangethe startupsequence.
Selectingorchangingthestartupdevicesequence
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.
16IdeaCentreB540–B540PHardwareMaintenanceManual
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b.Ifyouhavechangedthesesettingsandwanttoreturntothedefaultsettings,selectLoadOptimal
Defaultsfromthemenu.

ExitingtheLenovoBIOSSetupUtilityprogram

Afteryounishviewingorchangingsettings,presstheEsckeytoreturntotheLenovoBIOSSetupUtility programmainmenu.Y oumighthavetopresstheEsckeyseveraltimes.Dooneofthefollowing:
•Ifyouwanttosavethenewsettings,selectSavechangesandExitfromthemenu.WhentheSave& resetwindowshows,selecttheY esbutton,andthenpresstheEnterkeytoexittheLenovoBIOS SetupUtilityprogram.
•Ifyoudonotwanttosavethesettings,selectDiscardchangesandExitfromthemenu.Whenthe ResetWithoutSavingwindowshows,selecttheYesbutton,andthenpresstheEnterkeytoexitthe SetupUtilityprogram.
Chapter5.UsingtheSetupUtility17
Page 24
18IdeaCentreB540–B540PHardwareMaintenanceManual
Page 25

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.
Error
Thestartupdriveisnotincludedinthebootsequence inconguration.
Nooperatingsysteminstalledonthebootdrive.Installanoperatingsystemonthebootdrive.
Thebootsectoronthestartupdriveiscorrupted.
Thedriveisdefective.
FRU/Action
Checkthecongurationandensurethestartupdriveis inthebootsequence.
Thedrivemustbeformatted.Dothefollowing:
1.Attempttoback-upthedataonthefailingharddisk drive.
2.Usetheoperatingsystemtoformattheharddisk drive.
Replacetheharddiskdrive.

PowerSupplyProblems

Followtheseproceduresifyoususpectthereisapowersupplyproblem.
Check/VerifyFRU/Action
Checkthatthefollowingareproperlyinstalled:
•PowerCord
•On/OffSwitchconnector
•SystemBoardPowerSupplyconnectors
•Microprocessor(s)connection
Checkthepowercord.PowerCord
Checkthepower-onswitch.Power-onSwitch
Reseatconnectors
©CopyrightLenovo2013
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Page 26

POSTerrorcodes

Eachtimeyouturnthecomputeron,itperformsaseriesofteststocheckthatthesystemisoperating correctlyandthatcertainoptionsareset.ThisseriesoftestsiscalledthePower-OnSelf-T est,orPOST. POSTdoesthefollowing:
•Checkssomebasicsystem-boardoperations
•Checksthatthememoryisworkingcorrectly
•Startsvideooperations
•Veriesthatthebootdriveisworking
POSTErrorMessageDescription/Action
Keyboarderror
RebootandSelectproperBootdeviceorInsertBoot MediainselectedBootdevice
Cannotinitializethekeyboard.Makesurethekeyboard isproperlyconnectedtothecomputerandthatnokeys areheldpressedduringPOST .T opurposelycongure thecomputerwithoutakeyboard,selectKeyboardless operationinStartupoptiontoEnabled.TheBIOSthen ignoresthemissingkeyboardduringPOST.
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.
20IdeaCentreB540–B540PHardwareMaintenanceManual
Page 27

Chapter7.Locatingconnectors,controlsandcomponents

1
2
3 7 8 9
10 11 12 13 14
654
Thissectionprovidesillustrationstohelplocatethevariousconnectors,controlsandcomponentsofthe computer.
Fontview
Thefollowingillustrationshowsthelocationofcontrolsandcomponentsonthefrontofthecomputer.
Attention:Becarefulnottoblockanyairventsonthecomputer.Blockedairventscancauseoverheating.
1.Built-inmicrophone8.Volumedown
2.Built-incamera9.Volumeup
3.Built-inIREmitter(donotblock,selectedmodelsonly)
4.Harddiskdriveindicator11.Brightnessup
5.Bluetoothstatusindicator12.Novovisionbutton
6.Wi-Fistatusindicator
7.TVindicator
10.Brightnessdown
13.PCmode/HDMI-in/AV-inswitch
14.MonitorOn/Off
Attention:TheeffectiverangeoftheBuilt-inIREmitteris10feet(3m).
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Leftandrightview
1
2
3
4
5
6
7
8
Thefollowingillustrationshowsthelocationofconnectors,controlsandcomponentsontheleftandright sideofthecomputer.
1.Opticaldrive
5.Microphoneport
2.TVbuttons(selectedmodelsonly)6.USBconnector
3.USBconnector
7.Memorycardreader
4.Headphoneport8.Powerbutton
22IdeaCentreB540–B540PHardwareMaintenanceManual
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Rearview
1
7
3 4
6
2 5
8
8
Thefollowingillustrationshowsthelocationofconnectorsandcomponentsontherearofthecomputer.
1.Ethernetport
5.AV-INconnectors(selectedmodelsonly)
2.USBconnectors6.TVtunerports(selectedmodelsonly)
3.HDMI-OUTconnector
7.Powerconnector
4.HDMI-INconnector(selectedmodelsonly)8.Airvents(donotblock)
Chapter7.Locatingconnectors,controlsandcomponents23
Page 30
Hardwarecomponents
1
2
1
5
6
7
8
9
3
4
10
11 12
13
14
15
16
17
19
18
20
21
22
23
24
25
26
Thefollowingillustrationshowsthecomponentsthatmakeupyourcomputer.
1.Rearcover
14.Opticaldiskdrive
2.Computerstand15.HardwareTVScaleBoard
3.Middlecover16.WLANcard
4.FrontLEDindicatorboard
5.EMIcover
6.Chassis
7.LEDpanel
8.Frontbezel
17.Speakers
18.Converter
19.Heat-sink
20.Infraredmodule
21.Systemfans
9.Glass22.Camera
10.RearI/Omodule
23.HardwareTVtunerboard
11.Powersupply24.HardwareTVswitchboard
12.Motherboard25.Touchmodule
13.Harddiskdrive26.Bluetoothmodule
24IdeaCentreB540–B540PHardwareMaintenanceManual
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Identifyingpartsonthemotherboard
1
2
3
6
7
8
9
10
10 1011 12 13 14 15
16
17
18
18
19
20
21
4 5
22232325 24
Themotherboard(sometimescalledtheplanarorsystemboard)isthemaincircuitboardinyourcomputer. Itprovidesbasiccomputingfunctionsandsupportsavarietyofdevicesthatarefactory-installedorthat youcaninstalllater.Thefollowingillustrationshowsthelocationofconnectorsandcomponentsonthe frontofthemotherboard.
1.T ouchControlBoardConnector14.PowerConnector
2.SA TAPowerConnector15.SpeakerConnector
3.LVDSConnector16.LEDBoardConnector
4.SATAConnector17.CardReader
5.SATAConnector18.USBConnector
6.PSUP1Connector19.AudioConnector
7.ConverterConnector20.MemoryConnectors
8.HWTVModuleConnector21.CPUSocket
9.B-CASConnector22.PSUP2Connector
10.MiniPCIConnector23.FanConnector
11.BluetoothConnector24.TouchFunctionBoardConnector
12.RearI/OConnector25.WebcamConnector
13.BIOSBattery
Chapter7.Locatingconnectors,controlsandcomponents25
Page 32
IdentifyingpartsandconnectorsonthehardwareTVscaleboard
1
2
3
6
4
5
1
2
3
6
7
4
5
1
2
3
6
7
4
5
ThefollowingillustrationshowsthelocationsofpartsontheanaloghardwareTVboard.
1.LVDSConnector4.TVFunctionConnector
2.ConverterConnector5.FanConnector
3.MotherBoardConnector
6.DebugPort
ThefollowingillustrationshowsthelocationsofpartsonthedigitalhardwareTVboard.(ATS-Ctype)
1.LVDSConnector5.T unerBoardConnector
2.ConverterConnector
6.DebugPort
3.TVFunctionConnector7.FanConnector
4.MotherBoardConnector
ThefollowingillustrationshowsthelocationsofpartsonthedigitalhardwareTVboard.(DVB- Ttype)
1.LVDSConnector5.T unerBoardConnector
2.ConverterConnector6.FanConnector
3.TVFunctionConnector
4.MotherBoardConnector
26IdeaCentreB540–B540PHardwareMaintenanceManual
7.DebugPort
Page 33

Chapter8.Replacinghardware

Attention:Donotremovethecomputercoverorattemptanyrepairbeforereadingthe“Importantsafetyinformation”
intheSafetyandWarrantyGuidethatwasincludedwithyourcomputer.T oobtaincopiesoftheSafetyandWarranty Guide,gototheSupportWebsiteat:http://consumersupport.lenovo.com.
Note:UseonlypartsprovidedbyLenovo.

Generalinformation

Pre-disassemblyinstructions
Beforeproceedingwiththedisassemblyprocedure,makesurethatyoudothefollowing:
1.T urnoffthepowertothesystemandallperipherals.
2.Unplugallpowerandsignalcablesfromthecomputer.
3.Placethesystemonaat,stablesurface.
©CopyrightLenovo2013
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Page 34

Replacingthekeyboardandmouse

Attention:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
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:Y ourkeyboardwillbeconnectedtoaUSBconnectorononesideorattherearofthe computer.
Step4.Disconnectthedefectivekeyboardcablefromthecomputerandconnectthenewkeyboardcable
tothesameconnector.
Note:Themousecanbereplacedusingthesamemethod.

Replacingthepowercordorpoweradapter

Attention:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Toreplacethepowercordandpoweradapter:
Step1.Removeanymedia(diskettes,CDs,DVDs,ormemorycards)fromthedrives,shutdownyour
operatingsystem,andturnoffallattacheddevicesandthecomputer.
Step2.Locatetheconnectorforthepowercord.Referto“Rearview”.
28IdeaCentreB540–B540PHardwareMaintenanceManual
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Step3.Disconnectthefailingpowercordandadapterfromthecomputer.
Step4.Connectthenewpowercordtothesameconnectorasshown.

Removingthecomputercover

Attention:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches orotherdamage.
Toremovethecomputercover:
Chapter8.Replacinghardware29
Page 36
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.Removethe2coverpiecesbyslidingtheminoppositedirectionsasshown.
Step5.T oreinstallthecomputercover:
a.Lineupthecoverpieceswiththechassisthenslidethemback.

Removingthecomputerstand

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Forthisprocedure,ithelpstoplacethecomputerface-downonasoftatsurface.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthescreensurfacefromscratches orotherdamage.
Toremovethecomputerstand:
30IdeaCentreB540–B540PHardwareMaintenanceManual
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Step1.Removeanymedia(disks,CDs,DVDsormemorycards)fromthedrives,shutdowntheoperating
1
2 3
1
2
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview” and“Rearview”forhelpwithlocatingthevariousconnectors.
Step4.Pushthestandlockupwardtounlockitandthenslidethestandoutasshow.123
Step5.T oreinstallthecomputerstand:
a.Lineupthecomputerstandwiththemountingslotsinthechassisandslideitbackinto
position.
1
b.Liftuptherearofthecomputerstanduntilyouheara“pa”soundindicatingthestandhas
beenlocked.
2

Replacingamemorymodule

Attention:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Chapter8.Replacinghardware31
Page 38
Attention:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure. Lenovorecommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreen fromscratchesorotherdamage.
Toreplaceamemorymodule
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.Removetherearcover.Referto“Removingtherearcover” .
Step5.Pushoutthelatchesonbothsidesofthememorysockettoreleasethememorymodule.Gently
pullthememorymoduleupwardtoremoveitfromitssocket.
Step6.Alignthenewmemorymodulewiththememorysocket,theninsertitandpushdownonthetop
edge.Makesurethelatcheslockthememorymoduleinplace.
Step7.Reattachtherearcover.

Replacingtheharddiskdrive

Attention:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Attention:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.
Lenovorecommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreen fromscratchesorotherdamage.
Toreplacetheharddiskdrive
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.
Step4.Removetherearcover.Referto“Removingtherearcover” .
32IdeaCentreB540–B540PHardwareMaintenanceManual
Page 39
Step5.Pushthenslidetheharddiskdriveandbracketupwardandoutofthechassisasshown.12
1
2
Step6.Pushthepinsandreleasetheharddiskdrivefromthebracket.
Step7.Installthenewharddiskdriveasfollows:
a.Lineupthenewharddiskdrivewiththebracketandsecureitwiththepins.
b.Slidetheharddiskdriveandbracketbackintoposition.
Step8.Reattachtherearcover.

Replacingtheopticaldrive

Attention:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Toreplacetheopticaldrive
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.Replacinghardware33
Page 40
Step4.Removetherearcover.Referto“Removingtherearcover” .
2
1
Step5.Pushdownthepinthatlockstheopticaldiskdrivetothechassisthenusethescrewdriverpush
thediskout.12
Step6.Pushasmallironstick(paperclip)intothesmallholeontheopticaldrivecoversothatthedisk
springsoutasshown.
Step7.Removethe2screwsthatsecuretheopticaldrivetothemetalbracket.1
Step8.Useasmallatheadscrewdrivertopressandpushoutthepinsthatsecurethecovertothe
23
disk.
34IdeaCentreB540–B540PHardwareMaintenanceManual
Page 41
Step9.Separatethecoverfromthedefectiveopticaldrive.
Step10.Installthenewopticaldriveasfollows:
a.Alignthenewopticaldrivewiththecover,andthenpushthecoverbackintoposition.
b.Screwthemetalbracketbackontothenewopticaldrive.
c.Slidethenewopticaldriveintothedrivebay.
Step11.Slidetherearcoverpiecesbackintoposition.

Removingthemiddlecover

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches orotherdamage.
Toremovethemiddlecover
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.Removetherearcover.Referto“Removingtherearcover” .
Step5.Removethecomputerstand.Referto“Removingthecomputerstand” .
Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .
Step7.DisconnecttheOnekeyTVcablefromtheconnectors.1
Step8.Removethe5screwsthatsecurethemiddlecovertothechassis.2
Chapter8.Replacinghardware35
Page 42
Step9.Pushupthemiddlecoverupwardwithtwohandstoremoveitfrompins.3
1
2
2
3
4
Step10.Slidethemiddlecoveroutasshown.4(Fromlefttoright)
Step11.T oreattachthemiddlecover:
a.Lineupthemiddlecoverwithchassis,slideitbackinposition.
b.Pushdownthemiddlecovertosecureitwiththepins.
c.Securethemiddlecovertothechassiswith5screws.
d.ReconnecttheTVcabletothesameconnector.
Step12.Reattachtheopticaldrive,computerstandandtherearcover.
36IdeaCentreB540–B540PHardwareMaintenanceManual
Page 43

Replacingtheconverterboard

1
2
Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches orotherdamage.
Toreplacetheconverterboard:
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.Removetherearcover.Referto“Removingtherearcover” .
Step5.Removethecomputerstand.Referto“Removingthecomputerstand” .
Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .
Step7.Removethemiddlecover.Referto“Removingthemiddlecover” .
Step8.Removethescrewthatsecurestheconverterboardtothechassisandpushthepintoreleasethe
converter.12
Step9.Disconnectthe2cablesfromtheconverterboard.3
Chapter8.Replacinghardware37
Page 44
Step10.Liftuptheconverterboardtoremoveit.
3
3
Step11.T oinstallthenewconverterboard:
a.Lineupthenewconverterboardwiththemountingholesandpin,andthen,secureconverter
boardwithscrewandpins.
b.Connectthe2cablestothenewconverterboard.
c.Securetheconverterboardwiththescrew.
Step12.Reattachthemiddlecover,opticaldrive,computerstandandtherearcover.

RemovingtheEMIcover

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches orotherdamage.
ToreplacetheEMIcover
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.Removetherearcover.Referto“Removingtherearcover” .
Step5.Removethecomputerstand.Referto“Removingthecomputerstand” .
38IdeaCentreB540–B540PHardwareMaintenanceManual
Page 45
Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .
Step7.Removethemiddlecover.Referto“Removingthemiddlecover” .
Step8.RemovethescrewsthatsecuretheEMIcovertothechassis.
Step9.LiftuptheEMIcoveruptoremoveit.
Step10.T oreinstalltheEMIcover:
a.LineuptheEMIcoverwiththemountingholesonthechassisandsecureitwithscrews.
Step11.Reattachthemiddlecover,opticaldrive,computerstandandtherearcover.

Replacingthecamera

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches orotherdamage.
Toreplacethecamera:
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.Removetherearcover.Referto“Removingtherearcover” .
Step5.Removethecomputerstand.Referto“Removingthecomputerstand” .
Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .
Step7.Removethemiddlecover.Referto“Removingthemiddlecover” .
Chapter8.Replacinghardware39
Page 46
Step8.Removethe2screwsthatsecurethecameratothefrontbezel.
Step9.Disconnectthedatacablefromthecamera.
Step10.T oinstallthenewcamera:
a.Connectthedatacabletothenewcamera.
b.Lineupthenewcameraholeswiththemountingholesonthefrontbezelandsecureitwiththe
2screws.
Step11.Reattachthemiddlecover,opticaldrive,computerstandandtherearcover.

ReplacingtheBluetoothmodule

Attention:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches orotherdamage.
ToreplacetheBluetoothmodule:
Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
40IdeaCentreB540–B540PHardwareMaintenanceManual
Page 47
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview” and“Rearview”forhelpwithlocatingthevariousconnectors.
Step4.Removetherearcover.Referto“Removingtherearcover” .
Step5.Removethecomputerstand.Referto“Removingthecomputerstand” .
Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .
Step7.Removethemiddlecover.Referto“Removingthemiddlecover” .
Step8.PushthepinstoreleasetheBluetoothmodule.
Step9.DisconnectthecablefromtheBluetoothmodule.
Step10.T oinstallthenewBluetoothmodule:
a.ConnectthecabletothenewBluetoothmodule.
b.LineupthenewBluetoothmodulewiththesocket,snapitintopositionandsecureitwith
thepins.
Step11.Reattachthemiddlecover,opticaldrive,computerstandandtherearcover.

Replacingthebattery

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches orotherdamage.
Toreplacethebattery
Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Chapter8.Replacinghardware41
Page 48
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview” and“Rearview”forhelpwithlocatingthevariousconnectors.
Step4.Removetherearcover.Referto“Removingtherearcover” .
Step5.Removethecomputerstand.Referto“Removingthecomputerstand” .
Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .
Step7.Removethemiddlecover.Referto“Removingthemiddlecover” .
Step8.RemovetheEMIcover.Referto“RemovingtheEMIcover”.
Step9.Useaatheadscrewdriverasalevertopriseoutthebatteryasshown.
Step10.T oinstallthenewbattery:
a.Insertthenewbattery(CR2032)intothesocketwiththesidelabeled“+”facingup,andpress
thebatteryintoplace.
Step11.ReattachtheEMIcover,middlecover,opticaldrive,computerstandandtherearcover.

Replacingthesystemfan

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches orotherdamage.
Toreplacethesystemfan
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.
Step4.Removetherearcover.Referto“Removingtherearcover” .
Step5.Removethecomputerstand.Referto“Removingthecomputerstand” .
Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .
Step7.Removethemiddlecover.Referto“Removingthemiddlecover” .
42IdeaCentreB540–B540PHardwareMaintenanceManual
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Step8.RemovetheEMIcover.Referto“RemovingtheEMIcover”.
Step9.Removethe4screwsthatsecurethesystemfantotheheat-sinkandliftthesystemfanupto
removeit.
Step10.Separatethedefectivefanfromthegoodoneasshown.
Step11.ReattachtheEMIcover,middlecover,opticaldrive,computerstandandtherearcover.

Removingthepowersupply

Attention:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches orotherdamage.
Toremovethepowersupply:
Chapter8.Replacinghardware43
Page 50
Step1.Removeanymedia(disks,CDs,ormemorycards)fromthedrives,shutdowntheoperating
1
3
2
2
3
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview” and“Rearview”forhelpwithlocatingthevariousconnectors.
Step4.Removetherearcover.Referto“Removingtherearcover” .
Step5.Removethecomputerstand.Referto“Removingthecomputerstand” .
Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .
Step7.Removethemiddlecover.Referto“Removingthemiddlecover” .
Step8.RemovetheEMIcover.Referto“RemovingtheEMIcover”.
Step9.Removethe2screwsthatsecurethepowersupplyconnectortothemetalbracket.1
Step10.Disconnectthe2powercablesfromthemotherboard.2
Step11.Removethe4screwsthatsecurethepowersupplytothechassis,andthenliftupthepower
supplyasshown.3
Step12.T oinstallthenewpowersupply:
a.Lineupthenewpowersupply,secureittothemotherboardusingthe6screws.
b.Connectthepowercablestothemotherboard.
Step13.ReattachtheEMIcover,middlecover,opticaldrive,computerstandandtherearcover.

Replacingtheheat-sink

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches orotherdamage.
Toreplacetheheat-sink:
Step1.Removeanymedia(disks,CDs,DVDsormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
44IdeaCentreB540–B540PHardwareMaintenanceManual
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Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview” and“Rearview”forhelpwithlocatingthevariousconnectors.
Step4.Removetherearcover.Referto“Removingtherearcover” .
Step5.Removethecomputerstand.Referto“Removingthecomputerstand” .
Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .
Step7.Removethemiddlecover.Referto“Removingthemiddlecover” .
Step8.RemovetheEMIcover.Referto“RemovingtheEMIcover”.
Step9.Removethesystemfans.Referto“Replacingthesystemfans” .
Step10.Removethe2screwsthatsecurethesystemfansupportingbracketandliftupthesupporting
brackettoremoveit.
Chapter8.Replacinghardware45
Page 52
Step11.Removethe8screwsthatsecuretheheat-sinktothemotherboard,anddetachthecables
attachedtotheheat-sink,thenliftuptheheat-sinktoremoveit.
Step12.T oinstallthenewheat-sink:
a.Lineupthenewheat-sinkwithmountingholesonmotherboardandsecureitwiththe8screws.
b.Lineupthesystemfansupportingbracketwiththemountingholesonthemotherboardand
secureitwiththe2screws.
Step13.Reattachthesystemfan,EMIcover,middlecover,opticaldrive,computerstandandtherearcover.

ReplacingtheCPU

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
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.Removetherearcover.Referto“Removingtherearcover” .
Step5.Removethecomputerstand.Referto“Removingthecomputerstand” .
Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .
Step7.Removethemiddlecover.Referto“Removingthemiddlecover” .
Step8.RemovetheEMIcover.Referto“RemovingtheEMIcover”.
Step9.Removethesystemfans.Referto“Replacingthesystemfans” .
Step10.Removetheheat-sink.Referto“Replacingtheheat-sink”.
46IdeaCentreB540–B540PHardwareMaintenanceManual
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Step11.Liftthesmallhandleandopentheretainer.
Attention:Donottouchthegoldcontactsonthebottomofthemicroprocessor.Whenhandingthe microprocessor,touchonlythesides.
Step12.Liftthemicroprocessorstraightupandoutofthesocket.
Attention:Donottouchthegoldcontactsonthebottomofthemicroprocessor.Whenhandingthe microprocessor,touchonlythesides.
Note:Donotdropanythingontothemicroprocessorsocketwhileitisexposed.Thesocketpinsmust bekeptascleanaspossible.
Step13.Holdingthesidesofthemicroprocessorwithyourngers,removetheprotectivecover1that
protectsthegoldcontactsonthenewmicroprocessor.2
Step14.Holdingthesidesofthemicroprocessorwithyourngers,positionthemicroprocessorsothatthe
notchesonthemicroprocessorarealignedwiththetabsinthemicroprocessorsocket.
Chapter8.Replacinghardware47
Page 54
Important:Toavoiddamagingthemicroprocessorcontacts,keepthemicroprocessorcompletelylevel whileinstallingitintothesocket.
Step15.Lowerthemicroprocessorstraightdownintoitssocketonthemotherboard.
Step16.T osecurethemicroprocessorinthesocket,closethemicroprocessorretainerandlockitinto
positionwiththesmallhandle.
Step17.Useathermalgreasesyringetoplace5dropsofgreaseonthetopofthemicroprocessor.Each
dropofgreaseshouldbe0.03ml(3tickmarksonthegreasesyringe).
Step18.Reattachtheheat-sink,systemfan,EMIcover,middlecover,opticaldrive,computerstandand
therearcover.

ReplacingtherearI/Omodule

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches orotherdamage.
ToreplacetherearI/Omodule:
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.
Step4.Removetherearcover.Referto“Removingtherearcover” .
Step5.Removethecomputerstand.Referto“Removingthecomputerstand” .
Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .
Step7.Removethemiddlecover.Referto“Removingthemiddlecover” .
Step8.RemovetheEMIcover.Referto“RemovingtheEMIcover”.
Step9.Removethe3screwsthatsecuretherearI/Omoduleandmetalbrackettothechassis.
48IdeaCentreB540–B540PHardwareMaintenanceManual
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Step10.LiftuptherearI/Omodule.
1
2
Step11.DisconnecttheTVantennacablefromtherearI/Omodulebyremovingthe2screws.
Step12.Removethe2screwsthatsecuretherearI/Omoduletothemetalbracket.12
Step13.LifttherearI/Omoduleupfromconnectorsonthemotherboardthenslideitout.
Step14.T oinstallthenewrearI/Omodule:
a.LinethenewI/Omoduleupthenslideitintothemetalbracket.
b.SecurethenewI/Omoduletothebracketwiththe2screws.
c.ReattachtheTVantennacabletotherearI/Omodule.
d.LinethenewI/Omoduleupwiththechassisthensecureitwiththescrews.
Step15.ReattachtheEMIcover,middlecover,opticaldrive,computerstandandtherearcover.

ReplacingtheWi-Ficard

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
ToreplacetheWi-Ficard:
Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Chapter8.Replacinghardware49
Page 56
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview” and“Rearview”forhelpwithlocatingthevariousconnectors.
Step4.Removetherearcover.Referto“Removingtherearcover” .
Step5.Removethecomputerstand.Referto“Removingthecomputerstand” .
Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .
Step7.Removethemiddlecover.Referto“Removingthemiddlecover” .
Step8.RemovetheEMIcover.Referto“RemovingtheEMIcover”.
Step9.RemovethescrewthatsecurestheWi-Ficardtothemotherboard.
Step10.DisconnecttheantennacablesfromtheWi-Ficard.
Step11.LiftuptheWi-Ficardupwardtoremoveitfromthesocket.
Step12.T oinstallthenewWi-Ficard:
a.InsertthenewWi-Ficardtothesocketandsecureitwiththescrew.
b.ConnecttheantennacablestothenewWi-Ficard.
Step13.ReattachtheEMIcover,middlecover,opticaldrive,computerstandandtherearcover.

ReplacingtheTVtunercard

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
ToreplacetheTVtunercard
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.Removetherearcover.Referto“Removingtherearcover” .
Step5.Removethecomputerstand.Referto“Removingthecomputerstand” .
50IdeaCentreB540–B540PHardwareMaintenanceManual
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Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .
Step7.Removethemiddlecover.Referto“Removingthemiddlecover” .
Step8.RemovetheEMIcover.Referto“RemovingtheEMIcover”.
Step9.RemovethescrewthatsecurestheTV-Tunercardtothemotherboard.
Step10.Disconnecttheantennacable(s)fromtheTV-Tunercard.
Step11.PulltheTV-Tunercardupwardtoremoveitfromthecardportonthemotherboard.
Step12.T oinstallthenewTV-Tunercard:
a.InsertthenotchedendoftheTV-Tunercardintothecardportonthemotherboard.
b.SecurenewTV-Tunercardwiththescrewtothemotherboard.
c.Connecttheantennacable(s)tothenewTV-Tunercard.
Step13.ReattachtheEMIcover,middlecover,opticaldrive,computerstandandtherearcover.

Replacingthespeakersystem

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Toreplacethespeakersystem:
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.Removetherearcover.Referto“Removingtherearcover” .
Step5.Removethecomputerstand.Referto“Removingthecomputerstand” .
Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .
Step7.Removethemiddlecover.Referto“Removingthemiddlecover” .
Step8.RemovetheEMIcover.Referto“RemovingtheEMIcover”.
Step9.Disconnectthespeakercablefromtheconnectorsonmotherboard.
Chapter8.Replacinghardware51
Page 58
Step10.Detachthespeakersystemfromtherubberscrews.
Step11.T oinstallthenewspeakersystem:
a.Securethenewspeakersystemtothechassiswiththerubberscrews.
b.Connectthenewspeakercabletomotherboard.
Step12.ReattachtheEMIcover,middlecover,opticaldrive,computerstandandtherearcover.

Replacingthetouchcontrolboard

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Toreplacethetouchcontrolboard:
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.Removetherearcover.Referto“Removingtherearcover” .
Step5.Removethecomputerstand.Referto“Removingthecomputerstand” .
Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .
Step7.Removethemiddlecover.Referto“Removingthemiddlecover” .
Step8.RemovetheEMIcover.Referto“RemovingtheEMIcover”.
Step9.Disconnectthetouchcablesfromthetouchcontrolboard.
Step10.Removethe2screwsthatsecurethetouchcontrolboardtothechassis.
52IdeaCentreB540–B540PHardwareMaintenanceManual
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Step11.Liftupthetouchcontrolboardtoremoveit.12
2
2
1
1
Step12.T oinstallthenewtouchcontrolboard:
a.Lineuptheholesonthenewtouchcontrolboardwiththemountingholesonthemiddleframe
andsecureitwiththe2screws.
b.Connectallthecablestothenewtouchcontrolboard.
Step13.ReattachtheEMIcover,middlecover,opticaldrive,computerstandandtherearcover.

Replacingthescalarboard

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Toreplacethescalarboard
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.Removetherearcover.Referto“Removingtherearcover” .
Step5.Removethecomputerstand.Referto“Removingthecomputerstand” .
Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .
Step7.Removethemiddlecover.Referto“Removingthemiddlecover” .
Step8.RemovetheEMIcover.Referto“RemovingtheEMIcover”.
Step9.RemovetherearI/Omodule.Referto“ReplacingtherearI/Omodule” .
Step10.Disconnectthe3cablesfromthescalarboard.
Chapter8.Replacinghardware53
Page 60
Step11.Removethe4screwsthatsecurethescalarboardtothemotherboardandchassis,thenliftit
2
2
2
1
1
uptoremoveit.12
Step12.T oinstallthenewscalarboard:
a.Lineuptheholesonthenewscalarboardwiththemountingholesandsecureitwith4screws.
b.Connectthecablestothenewscalarboard.
Step13.ReattachtherearI/Omodule,EMIcover,middlecover,opticaldrive,computerstandandthe
rearcover.

Replacingthemotherboard

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
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.
Step4.Removetherearcover.Referto“Removingtherearcover” .
Step5.Removethecomputerstand.Referto“Removingthecomputerstand” .
Step6.Removethememorymodules.Referto“Replacingamemorymodule”.
Step7.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .
Step8.Removethemiddlecover.Referto“Removingthemiddlecover” .
Step9.RemovetheEMIcover.Referto“RemovingtheEMIcover”.
Step10.Removethesystemfans.Referto“Replacingthesystemfans” .
Step11.Removethebattery.Referto“Replacingthebattery” .
Step12.Removetheheat-sink.Referto“Replacingtheheat-sink”.
Step13.RemovetheCPU.Referto“ReplacingtheCPU”.
Step14.RemovetherearI/Omodule.Referto“ReplacingtherearI/Omodule” .
Step15.RemovetheTVscalarboard.Referto“ReplacingtheTVscalarboard” .
Step16.RemovetheWi-Ficard.Referto“ReplacingtheWi-Ficard” .
54IdeaCentreB540–B540PHardwareMaintenanceManual
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Step17.RemovetheTVtunercard.Referto“ReplacingtheTVtunercard” .
Step18.Removeallthecablesconnectedtothemotherboard.
Step19.Removethe4screwsthatsecurethemotherboardtothechassisandslideitoutasshown.
Step20.T oinstallthenewmotherboard:
a.Lineupthemotherboardwiththechassis,thensecureitwiththescrews.
b.Insertthebattery(CR2032)intothesocketwiththesidelabeled“+”facingup,andpress
thebatteryintoplace.
c.InsertthenotchedendoftheTV-T unercardintothecardportonthenewmotherboardand
secureitwiththescrew.
d.InsertthenotchedendoftheWi-Ficardintothecardportonthenewmotherboardand
secureitwiththescrew.
e.InstalltheCPUtothenewmotherboardandsecuretheCPUinthesocket,closetheCPU
retainerandlockitintopositionwiththesmallhandle.
f.Installthememorymodule(s)tothenewmotherboard.
g.Installtheheat-sinktothenewmotherboard.
h.Installthesystemfanstothenewmotherboard.
i.InstalltheTVscalarboardtothenewmotherboard.
j.InstalltherearI/Omoduletothenewmotherboard.
k.Connecttheantennacable(s)totheTV- Tunercard.
l.Connectallthecablestothenewmotherboard.
Step21.ReattachtheEMIcover,middlecover,opticaldrive,computerstandandtherearcover.

ReplacingtheLEDpanelmodule

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches orotherdamage.
ToreplacetheLEDpanelmodule:
Chapter8.Replacinghardware55
Page 62
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.Removetherearcover.Referto“Removingtherearcover” .
Step5.Removethecomputerstand.Referto“Removingthecomputerstand” .
Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .
Step7.Removethemiddlecover.Referto“Removingthemiddlecover” .
Step8.RemovetheEMIcover.Referto“RemovingtheEMIcover”.
Step9.Removetheconverter.Referto“Replacingtheconverter”.
Step10.Removethesystemfan.Referto“Replacingthesystemfan” .
Step11.Removethebattery.Referto“Replacingthebattery” .
Step12.Removetheheat-sink.Referto“Replacingtheheat-sink”.
Step13.RemovetheCPU.Referto“ReplacingtheCPU”.
Step14.Removethepowersupply.Referto“Replacingthepowersupply”.
Step15.Removethespeakersystem.Referto“Replacingthespeakersystem”.
Step16.RemovetheTV- Tunercard.Referto“ReplacingtheTV-Tunercard” .
Step17.RemovetheWi-Ficard.Referto“ReplacingtheWi-Ficard” .
Step18.Removethescalarboard.Referto“Replacingthescalarboard” .
Step19.Removethetouchcontrolboard.Referto“Replacingthetouchcontrolboard” .
Step20.Removethemotherboard.Referto“Replacingthemotherboard” .
Step21.Disconnectthecamerafromthefrontbezel.Referto“Replacingthecamera”.
Step22.DetachtheWi-Fiantennacablefromthefrontbezel.
Step23.DetachtheBluetoothmodulefromthefrontbezel.Referto“ReplacingtheBluetoothmodule”.
Step24.DisconnecttheconvertercablefromtheconnectorontheLEDpanel.
56IdeaCentreB540–B540PHardwareMaintenanceManual
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Step25.Removethefourscrewsthatsecurethetwofeettothechassis,liftupthetwofeetandputthem
aside.
Step26.T oinstallthenewtheLEDpanelmodule:
a.Attachedthetwofeettothechassisandsecurethemwiththefourscrews.
b.AttachtheBluetoothmoduletothefrontbezel.
c.Attachthemotherboardtothechassis,andsecureitwiththescrews.
d.AttachtheWi-Fiantennacablestothefrontbezel.
e.Installtheharddiskdriveandopticaldiskdrivedataandpowerconnectorstothechassis.
f.Attachthetouchcontrolboard,camera,Wi-Ficard,rearI/Omodule,scalarboard,TV-Tuner
card,powersupply,speakersystem,CPU,heat-sinkmodule,battery,memory,systemfan, converterboard,harddiskdrive,tothemotherboardandchassis.
g.Togetthebestdisplayqualityforyourmonitor,adjustthePTV139DIPswitchsettingsonthe
TVscalarboardaccordingthebelowchartfordifferentpanelmodels:
Note:1=OFF0=ON
Size
23'LED
23'FPRLM230WF8-TLA11010
ModelDIP1DIP2DIP3DIP4
LTM230HT10M011110
LTM230HT10M021101
LM230WF5-TLF11100
M230HGE-L20C1
1011
Step27.ReattachtheEMIcover,middlecover,opticaldrive,computerstandandtherearcover.

FRUlists

Thischapterliststheinformationontheeldreplaceableunits(FRUs).
Chapter8.Replacinghardware57
Page 64
Attention:BesuretoreadandunderstandallthesafetyinformationbeforereplacinganyFRUs.
1
2
1
5
6
7
8
9
3
4
10
11 12
13
14
15
16
17
19
18
20
21
22
23
24
25
26
Notes:FRUsthathavea1or2intheCRUcolumnareCustomerReplaceableUnits(CRUs).
•1–identiespartsthatarefairlysimpletoreplace,requiringfewornotools.
•2–identiespartsthatareslightlymoredifculttoreplace.
•N-identiespartsthatarenottobereplacedbythecustomer.
Items#Description
12
Processor
II7-37703.4/1600/8/115577E1CPU
II5-35503.3/1600/6/115577E1CPU
II5-3350P3.1/1600/6/115569E1CPU
Ii5-34703.2G/1600/6/1155/77CPU
II5-34503.1/1600/6/115577E1CPU
II5-33303.0/1600/6/115577E1CPU
Ii5-3550S3G/1600/6/1155/65CPU
Ii5-3470S2.9G/1600/6/1155/65CPU
LenovoP/NCRUID
1100335N
1100337N
1100577N
1100412N
1100338N
1100393N
1100417N
1100413N
58IdeaCentreB540–B540PHardwareMaintenanceManual
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Ii5-3450S2.8G/1600/6/1155/65CPU
II5-3330S2.7/1600/6/115565E1CPU
ICi5-2400S2.5/1333/6/115565D2CPU
II5-23203.0/1333/6/115595D2CPU
II3-32403.4/1600/3/115555L1CPU
II3-32203.3/1600/3/115555L1CPU
II3-21303.4/1333/3/115565Q0CPU
ISNBCi321203.3/3M/1155/65/GT1Q-0
IG8603.0/1333/3/115565Q0CPU
IIPPG8502.9/1333/3/1155/65Q0CPU
IG6452.9/1066/3/115565Q0CPU
IG6402.8/3/1066/115565Q0CPU
IG6302.7/1066/3/115565Q0CPU
1100411N
1100394N
1007198N
1100103N
1100454N
1100456N
1100102N
1007388N
1100105N
1007498N
1100578N
1100474N
1100104N
Chipset
IntelH61chipset1007535N
HWTV
yuanHWTVA TVforChina
yuanHWTVA TVforIndia
11200700N
11200908N
RAM
M471B5773DH0-CK0
HMT325S6CFR8C-PB
MT8KTF25664HZ-1G6M1
Elp_RJ2108BDSE-GN-F2GBD3-1600S
M471B5273DH0-CK0
HMT351S6CFR8C-PB
MT16KTF51264HZ-1G6M1
Elp_RJ2108BDSE-GN-F4GBD3-1600S
M471B5773DH0-CK0
M471B5273DH0-CK0
HMT325S6CFR8C-PB
HMT351S6CFR8C-PB
MT8KTF25664HZ-1G6M1
MT16KTF51264HZ-1G6M1
Elp_RJ2108BDSE-GN-F2GBD3-1600S
Elp_RJ2108BDSE-GN-F4GBD3-1600S
11002261
11002271
11002281
11004251
11002301
11002311
11002321
11004261
11002261
11002301
11002271
11002311
11002281
11002321
11004251
11004261
Chapter8.Replacinghardware59
Page 66
13
14
11
16
HDD
SeagatePharaoh6GST3500413AS
SGTPharaoh4KST500DM002500GHDD-LH
WDXL500SM6GWD5000AAKX-083CA1
WD5000AAKX-08ERMA0162002471
SeagatePharaoh6GST31000524AS
SGTGrenadaST1000DM0031TBHDD-LH
WDXL500SM6GWD10EALX-089BA1
HitachiMarinerHDS723020BLA642
SGTGrenadaST2000DM0012TBHDD-LH
SSD
MZMPA064HMDR-000L116005084N
SamsungPM83064GmSATASSDMZMPC064HBDR-000L1
ODD
SN-208AB
AD-7740H252011061
DS-8A8SH
PLDSDS-6E2SHBDCombo-LH（BE）
HLDSCT30NBDCombo-LH（BE）
HLDSCT40N
OptiarcBC-5550HSlimTrayBDComboODD
TSSTTS-LB23DBDCombo-LH（BE）
BT20N252016341
BD-5750H252014941
GPU
N13P-GT(GeForceGT650M)
PSU
ACBELAPB001-EL0GES5.0250WPSU(R)
FSPFSP250-30SIES5.0250WPSU®
DELTADPS-250AB-84AES5.0250WPSU®
AcbelAPA006-EL0GES5.0200wPSU®
HuntkeyHKF2002-32ES5.0200WPSU®
FSPFSP200-20SIES5.0200WPSU®
WLAN
CBTAR948511nSBHMCWicard(wow1)
LTNRTL8188CE11nSBHMCWicard(wow1)
162000641
162001781
162000311
162000651
162001821
162000321
160052861
162001841
16200109N
252011081
252014871
252003281
252003271
252014931
252041591
252003291
1100346N
36200219N
36200220N
36200224N
36002045N
36002046N
36200225N
11200354N
11200352N
60IdeaCentreB540–B540PHardwareMaintenanceManual
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23
TVT urner
MC182AAnalogmini®
AverMediaH339A5DVB-TMINITVCAR
AverMediaH339A6ATSCMINITVCAR
H339ISDB- TMini®
M270BMini(R)
A360ISDB-TMINICARDB-casAvermediaA360ISDB-TB-cas
11012280N
11200290N
11200291N
11012854N
11012147N
11200109N
onMiniTV
ICB3TVlabel_Japan(C/L)®
B-casCAcard
MC163MTVTUNERHYBRIDMINICAR
YuanMC163MLDMB-THHybridTVTuner
AvermediaA366dualISDB-TTVCard
ICB3TVlabel_Japan(C/L)®
B-casCA
SonySMT-SJ910PVISDB- TSTVcard
ICA7TVlabel_Japan(C/L)®
B-casBS/CSCAcard
A369ISDB-TTVTunerMINICARD(singletuner)
ICA7TVlabel_Japan(C/L)®
B-casBS/CSCAcard
31044061N
11012250N
11011447N
101500189N
11200644N
31044061N
11012250N
11200977N
31044060N
11012251N
11012062N
31044060N
11012251N
SoftwareTVRemoteController
SMKIRRCWin7Japan(RRS9003-3408EC)
SMKRXT9000-1324EC64keyRFRC
ChiconyRFRG-1135dongle
PhilisWin7IRBlack43Key(R)
888011291N
888900005N
888900004N
888010934N
HardwareTVIRRemoteController
Philips47Key-RC1994708-English-HWTV
Philips47Key-RC1994709-Chinese-HWTV
6,7,8,9
Panel
B540LCDModuleForLGW/OTouch
B540LCDModuleForSumsangW/OTouch
B540LCDModuleForCMIW/OTouch
B540LCDModuleForLG3DW/OTouch
B540LCDModuleForLGW/Touch
B540LCDModuleForSumsangW/Touch
B540LCDModuleForCMIW/Touch
B540LCDModuleForLG3DW/Touch
B5453DFPRglass/bothglasses
888900000N
888900001N
90400170N
90400171N
90400172N
90400173N
90400174N
90400175N
90400176N
90400177N
90203329N
Chapter8.Replacinghardware61
Page 68
3DGlass
ODMown(3DFPRglass/bothglasses)
BT
FcnBCM92070BT2.1EDRFlashDT
USIBCM92070BT2.1EDRFlashDT
20702TBDN
Webcamera
M720PVC350+OV9712CAM
M720PVC350+OV9712CAM
LAN
RealtekRTL8111F73040793N
Audio
RealtekALC272-VA4-CG
Systemboard
B540H61UMAW/OHWTVW/USB3.0MB
B540H61UMAW/HWTV(ATV)W/USB3.0MB
B540H61UMAW/HWTV(DVBT)W/USB3.0MB
B540H61512_GPUW/OHWTVW/USB3.0MB
B540H612G_GPUW/HWTV(DVBT)W/USB3.0MB
B540H612G_GPUW/OHWTVW/USB3.0MB
B540H611G_GPUW/OHWTVW/USB3.0MB
B540H612G_GPUW/HWTV（A TV）W/USB3.0MB
B540H611G_GPUW/HWTV（A TV）W/USB3.0MB
B540H611G_GPUW/HWTV(DVBT)W/USB3.0MB
Antenna
Wirelessantenna-black90200921N
Wirelessantenna-white90200922N
Cable
B540ConvertertopanelcableForLG&CMI
B540ConvertertopanelcableForSumsang
B540ConvertertopanelcableForLG3D
B540HWTVFunction7keyBoardCable
B540ConveterCarbleForHWTV
B540HDD&ODDSataCable
B540T ouchFFC
B540TouchFFCForPanel
B540WebCamCable
B540TouchCableForMB
B540L VDSCable
B540LEDTouchFunctionBoardCable
73040717N
11012801N
11012802N
20200085N
20200086N
73040715N
90000176N
90000178N
90000180N
90000181N
90000182N
90000183N
90000185N
90000188N
90000189N
90000250N
90200882N
90200883N
90200884N
90200916N
90200917N
90200918N
90200919N
90200880N
90200920N
90200923N
90200925N
90200926N
62IdeaCentreB540–B540PHardwareMaintenanceManual
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B540Bluetoothcable90200927N
B540Powerboardcable90200928N
B540LEDBoardCable
B540B-CasBoardCabel
B540HWTVBoardCable(China)
B540HWTVBoardCable(USA)
B540TVTurnerBoardCable(USA、Japen)
B540TVTurnerBoardCable(China、Eurpo)
90200929N
90200881N
90200936N
90200937N
90200938N
90200939N
TVturnerboard 15
B540HWTVTunerBoardforATSC(USA)
19
HeatSink
B540COOLERMASTERDISHeatSink
B540TAISOLDISHeatSink
B540COOLERMASTERUMAHeatSink
B540TAISOLUMAHeatSink
90000252N
90200876N
90200877N
90200878N
90200879N
OtherBoards
B540ScalarBoardforA TSC(USA)
10
B540IOBoardW/AV_INW/USB3.0
B540IOBoardW/OAV_INW/OHDMI_IN
B540IOBoardW/OAV_INW/USB3.0
B540IOBoardW/A V_INW/HDMI_IN
B540B-CasBoard
B540FunctionStatusDisplayBoard
90000255N
90000262N
90000263N
90000264N
90000265N
90000267N
90000269N
25B540LEDT ouchFunctionBoard90000268N
B540PowerBoard90000266N
18
17
7
21
Converter
B540ConverterforLG
B540ConverterforSumsang
B540ConverterforCMI
B540ConverterforLG3D
Speaker
B5403WSpeaker
LCDModule
Fan
B540FAN3700RPMHECFan
B540FAN3600RPMHECFan
90000256N
90000257N
90000258N
90000259N
90200887N
90200910N
90200911N
Others
3
B540Middlecoverw/oHWTV
90200891N
B540MiddlecoverwithHWTV90200892N
2
B540BackStand
90200893N
Chapter8.Replacinghardware63
Page 70
B540HDDBracket90200894N
B540ODDLockingBracket
B540ODDBezelW/BlueRayLogo
B540ODDBezelW/OBlueRayLogo
B540PlasticFoot90200898N
5
10
24B540HWTVFunction7KeyBoard90200940N
B540MBEMIShielding
B540RearIOBoardW/1TV_AV_HDMIIN_HDMIOUT
B540RearIOBoardW/1TV_HDMIIN_HDMIOUT
B540RearIOBoardW/1TV_HDMIOUT
B540RearIOBoardW/2TV_HDMIOUT
B540RearIOBoardW/2TV_HDMIIN
B540RearIOBoardW/HDMIOUT
B540RearIOBoardW/HDMIOIN_HDMIOUT
B540RearI/OBracket
B540ODDSupportingBracket
B540F ANBracket90200912N
B540ACbracket
B540ODDhousing
B540MainFrameBracket(inside)
B540Rearcover(right)
B540Rearcover(left)
90200895N
90200896N
90200897N
90200899N
90200901N
90200902N
90200903N
90200904N
90200905N
90200906N
90200907N
90200908N
90200909N
90200914N
90200915N
90200924N
90200933N 1
90200934N
64IdeaCentreB540–B540PHardwareMaintenanceManual
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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:Y oucanspecifyadateandtimeatwhichthecomputerwillbeturnedonautomatically. Thiscanbeeitherasingleevent,adailyeventoraweeklyevent.
•WakeUponLAN:ThisfeatureallowsLANadaptercardtowaketheSystem.
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65
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