Lenovo IdeaCentre B520e Manuel d'utilisateur

IdeaCentreB520eHardwareMaintenanceManualMachineTypes:10088/3111

Observethefollowingruleswhenworkingonelectricalequipment.Important:Useonlyapprovedtoolsandtestequipment.Somehandtoolshavehandlescoveredwithasoftmateri

–Sendanotherpersontogetmedicalaid.SafetyinspectionguideTheintentofthisinspectionguideistoassistyouinidentifyingpotentiallyunsafeconditionsontheseprodu

•Avoidcontactwithotherpeoplewhilehandlingthepart.•Wearagroundedwriststrapagainstyourskintoeliminatestaticonyourbody.•Preventthepartfromtouchingyourclo

ToConnectToDisconnect1.TurneverythingOFF.2.First,attachallcablestodevices.3.Attachsignalcablestoconnectors.4.Attachpowercordstooutlet.5.TurndeviceON.1

≥18kg(37lbs)≥32kg(70.5lbs)≥55kg(121.2lbs)CAUTION:Usesafepracticeswhenlifting.CAUTION:Thepowercontrolbuttononthedeviceandthepowerswitchonthepowersupply

Chapter3.GeneralinformationThischapterprovidesgeneralinformationthatappliestoallmachinetypessupportedbythispublication.SpecicationsThissectionliststh

10IdeaCentreB520eHardwareMaintenanceManual

Chapter4.GeneralCheckoutAttention:Thedrivesinthecomputeryouareservicingmighthavebeenrearrangedorthedrivestartupsequencechanged.Beextremelycarefuldurin

Ifithasbeenworking,whatchangesweremadepriortoitfailing?Isthistheoriginalreportedfailure?•DiagnosticsversionTypeandversionlevel•HardwarecongurationPri

Chapter5.UsingtheSetupUtilityTheSetupUtilityprogramisusedtoviewandchangethecongurationsettingsofyourcomputer,regardlessofwhichoperatingsystemyouareus

•Notbeacommonwordoracommonname•BesignicantlydifferentfromyourpreviouspasswordAdministratorpasswordWhenaAdministratorPasswordisset,itdetersunauthorize

TodeleteapreviouslysetPower-OnPassword,dothefollowing:1.FromtheSecuritymenu,selectSetPower-OnPasswordandpressEnter.2.Thepassworddialogboxwillbedisplay

1.StarttheSetupUtilityprogram(seeStartingtheSetupUtilityprogramonpage15).2.SelectStartUp.3.SelectPrimaryBootSequence,toselectorchangestartupdevicesequ

Chapter6.Symptom-to-FRUIndexTheSymptom-to-FRUindexlistserrorsymptomsandpossiblecauses.Themostlikelycauseislistedrst.AlwaysbeginwithChapter4,“GeneralC

•Checksthememoryoperation•Startsthevideooperation•VeriesthatthebootdriveisworkingIfthePOSTdetectsaproblem,anerrormessageappearsonthescreen.Asinglepro

Chapter7.LocationsThissectionprovidesillustrationstohelplocatethevariousconnectors,controlsandcomponentsofthecomputer.Locatingcomponents,controlsandco

RearviewThefollowingillustrationshowsthelocationofconnectorsontherearofthecomputer.Attention:Besurenottoblockanyairventsonthecomputer.Blockedairventsm

LeftandrightviewsThefollowingillustrationsshowthelocationofconnectorsandcomponentsontheleftandrightsidesofthecomputer.1.Memorycardreader4.Microphoneco

HardwarecomponentsThefollowingillustrationshowsthecomponentsthatmakeupyourcomputer.1.Computerstand14.Chassis2.Rearcover15.LEDpanel3.EMIcover16.Frontbe

IdentifyingpartsandconnectorsonthemotherboardThemotherboard(sometimescalledtheplanarorsystemboard)isthemaincircuitboardinyourcomputer.Itprovidesbasicc

IdeaCentreB520eHardwareMaintenanceManualMachineTypes:10088/3111

IdentifyingpartsandconnectorsonthehardwareTVscaleboardThefollowingillustrationshowsthelocationsofpartsontheanaloghardwareTVboard.1234561.Inverterconne

Chapter8.ReplacinghardwareAttention:Donotremovethecomputercoverorattemptanyrepairbeforereadingthe“Importantsafetyinformation”intheSafetyandWarrantyGui

RemovingthecomputercoverAttention:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.Note:Itmaybehelpfultoplacethecomputerface-

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)cables,andanyothercablesthatareconnectedtothecomputer.Referto“L

ReplacingamemorymoduleAttention:Turnoffthecomputerandwait3to5minutestoletthecomputercooldownbeforeremovingthecomputercover.Note:Itmaybehelpfultoplacet

Step6.Alignthenewmemorymodulewiththesocket,theninsertitandpushdownonthetopedgeofthemodule.Makesurethelatcheslockthememorymoduleinplace.Step7.Alignthen

Step7.Pushasmallironstick(e.g.apaperclip)intothesmallholeontheopticaldrivecoversothattheopticaldrivespringsoutasshown.Step8.Removethe2screwsthatsecure

Step11.Installthenewopticaldriveasfollows:a.Alignthenewopticaldrivewiththecover,thenpushthecoverbackintoposition.b.Securethemetalbracketontothenewopti

Step4.Removethe4screwsthatsecuretheharddiskdrivetothediskbayandslidethedefectiveharddiskdriveoutofthebay.Step5.Installthenewharddiskdriveasfollows:a.S

Step2.Removethebackdeco.Referto“Removingthebackdeco” .Step3.Removethecomputerstand.Referto“Removingthecomputerstand” .Step4.RemovetheEMIcover.Referto“

ReplacingtheconverterboardNote:T urnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.Note:Itmaybehelpfultoplacethecomputerface-do

Step7.Connectthecablestothenewconverterboard.Step8.Lineupthenewconverterboardthensecureitwiththescrews..Step9.ReattachtheEMIcover,backdeco,thecomputer

Step8.Lineupthenewsystemfanthensecureittothechassisandmotherboardwiththescrews.Step9.Connectthenewsystemfanpowercabletothemotherboard.Step10.Reattacht

Type2–4screws.Step8.Lineupthenewheatsinkthensecureittothemotherboardwiththescrews.Step9.Attachthesystemfantothenewheatsink.Step10.ReattachtheEMIcover,

Step1.Removethecomputercover.Referto“Removingthecomputercover”Step2.Removethebackdeco.Referto“Removingthebackdeco” .Step3.Removethecomputerstand.Refer

Step9.Makesurethatthemicroprocessorretainerisfullyopen.Step10.Holdingthesidesofthemicroprocessorwithyourngers,removetheprotectivecoverthatprotectsthe

ReplacingtherearI/OmoduleNote:T urnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.Note:Itmaybehelpfultoplacethecomputerface-dow

Step10.LinethenewI/Omoduleupthenslideitintothemetalbracket.Step11.ReattachtheTVantennacabletotherearI/Omodule.Step12.LinethenewI/Omoduleupwiththechass

Step8.Lineupthenewspeakersystemwiththechassisthensecureitusingthescrews.Step9.Connectthenewspeakercablestothemotherboard.Step10.ReattachtheEMIcover,ba

Step8.LineupthenewTVtunercardthensecureittothebracketwiththe2screws.Step9.ConnectthenewantennacabletotherearI/Obracketandsecureitwith2screws.Step10.Re

ContentsChapter1.Aboutthismanual...1ImportantSafetyInformation...1Chapter2.Safetyinformation...3Generalsafety...3Electricalsafet

Step9.LineupthenewTVtunercardbracketthensecureittothechassiswiththe2screws.Step10.ReattachtheTVtunercard,rearI/Omodule,EMIcover,backdeco,thecomputerco

Step11.LinethenewTVscaleboardupwiththemotherboardthensecureitwiththe3screws.Step12.ConnectallthecablestothenewTVscaleboard.Step13.ReattachtherearI/Omo

Step11.SeparatetheWLANcardfromthemetalbracketbyremovingthe2screws.Step12.SecurethenewWLANcardtothemetalbracketwiththe2screws.Step13.LinethenewWLANcard

Toreplacethepowersupply:Step1.Removethecomputercover.Referto“Removingthecomputercover”.Step2.Removethebackdeco.Referto“Removingthebackdeco” .Step3.Rem

Step8.Liftupthetouchmodule.Step9.Disconnectthe3cablesfromthetouchmodule.Step10.Connectthe3cablestothenewtouchmodule.Step11.Lineupthenewtouchmoduleands

Step15.Removethemotherboardbyliftingitup.Step16.Placethenewmotherboardintothechassis,aligningthescrewholesinthemotherboardwiththemountingholesinthecha

Step6.LiftupthechassisgentlyanddisconnectthecablesfromtheLEDpanel.Step7.LiftupthechassistoseparateitfromtheLEDpanel.Fortouchmodelsrefertothebelowdrawi

Step8.ConnectthecablestothenewLEDpanel.Step9.Alignthe4mountingholesontheLEDpanelbracketswiththeholesinthechassisandsecureitwiththe4screws.Step10.Reatt

Step8.LineupthenewIRemitterwithIRemitterportthenpushitintoposition.Step9.ReattachtheLEDpanel,theEMIcover,backdeco,thecomputercoverandcomputerstand.Rep

Note:Y ourkeyboardwillbeconnectedtoaUSBconnectorononesideorattherearofthecomputer.Step4.Disconnectthedefectivekeyboardcablefromthecomputerandconnectth

ivIdeaCentreB520eHardwareMaintenanceManual

54IdeaCentreB520eHardwareMaintenanceManual

Chapter9.AdditionalServiceInformationThischapterprovidesadditionalinformationthattheservicerepresentativemightndhelpful.PowermanagementPowermanagemen

Chapter1.AboutthismanualThismanualcontainsserviceandreferenceinformationforIdeaCentreB520ecomputerslistedonthecover.Itisintendedonlyfortrainedservicer

2IdeaCentreB520eHardwareMaintenanceManual

Chapter2.SafetyinformationThischaptercontainsthesafetyinformationthatyouneedtobefamiliarwithbeforeservicingacomputer.GeneralsafetyFollowtheserulestoen