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.SpecicationsThissectionliststh
10IdeaCentreB520eHardwareMaintenanceManual
Chapter4.GeneralCheckoutAttention:Thedrivesinthecomputeryouareservicingmighthavebeenrearrangedorthedrivestartupsequencechanged.Beextremelycarefuldurin
Ifithasbeenworking,whatchangesweremadepriortoitfailing?Isthistheoriginalreportedfailure?•DiagnosticsversionTypeandversionlevel•HardwarecongurationPri
Chapter5.UsingtheSetupUtilityTheSetupUtilityprogramisusedtoviewandchangethecongurationsettingsofyourcomputer,regardlessofwhichoperatingsystemyouareus
•Notbeacommonwordoracommonname•BesignicantlydifferentfromyourpreviouspasswordAdministratorpasswordWhenaAdministratorPasswordisset,itdetersunauthorize
TodeleteapreviouslysetPower-OnPassword,dothefollowing:1.FromtheSecuritymenu,selectSetPower-OnPasswordandpressEnter.2.Thepassworddialogboxwillbedisplay
1.StarttheSetupUtilityprogram(seeStartingtheSetupUtilityprogramonpage15).2.SelectStartUp.3.SelectPrimaryBootSequence,toselectorchangestartupdevicesequ
Chapter6.Symptom-to-FRUIndexTheSymptom-to-FRUindexlistserrorsymptomsandpossiblecauses.Themostlikelycauseislistedrst.AlwaysbeginwithChapter4,“GeneralC
•Checksthememoryoperation•Startsthevideooperation•VeriesthatthebootdriveisworkingIfthePOSTdetectsaproblem,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.Holdingthesidesofthemicroprocessorwithyourngers,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
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Chapter9.AdditionalServiceInformationThischapterprovidesadditionalinformationthattheservicerepresentativemightndhelpful.PowermanagementPowermanagemen
Chapter1.AboutthismanualThismanualcontainsserviceandreferenceinformationforIdeaCentreB520ecomputerslistedonthecover.Itisintendedonlyfortrainedservicer
2IdeaCentreB520eHardwareMaintenanceManual
Chapter2.SafetyinformationThischaptercontainsthesafetyinformationthatyouneedtobefamiliarwithbeforeservicingacomputer.GeneralsafetyFollowtheserulestoen
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