IdeaCentreB345–B545All-In-OneHardwareMaintenanceManualideaideaideaCentreideaMachineTypes:10098/2567[B345],10100/4749[B545]
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
10IdeaCentreB345–B545All-In-OneHardwareMaintenanceManual
Chapter4.GeneralCheckoutAttention:Thedrivesinthecomputeryouareservicingmighthavebeenrearrangedorthedrivestartupsequencechanged.Beextremelycarefuldurin
12IdeaCentreB345–B545All-In-OneHardwareMaintenanceManual
Chapter5.UsingtheSetupUtilityTheSetupUtilityprogramisusedtoviewandchangethecongurationsettingsofyourcomputer,regardlessofwhichoperatingsystemyouareus
AdministratorPasswordSettinganAdministratorPassworddetersunauthorizedpersonsfromchangingcongurationsettings.Y oumightwanttosetanAdministratorPassword
TosetaPower-OnPassword,dothefollowing:1.StarttheLenovoBIOSSetupUtilityprogram(See”StartingtheLenovoBIOSSetupUtilityprogram”onpage13.)2.FromtheSecurity
USBSetuppresstheEnterkey,andthenselectUSBFunctions.ATADeviceSetuppresstheEnterkey.SelectCongureSATAas,presstheEnterkeyandthenselectSATAmode.AudioSetu
b.Ifyouhavechangedthesesettingsandwanttoreturntothedefaultsettings,selectLoadOptimalDefaultsfromthemenu.ExitingtheLenovoBIOSSetupUtilityprogramAfteryo
18IdeaCentreB345–B545All-In-OneHardwareMaintenanceManual
Chapter6.Symptom-to-FRUIndexTheSymptom-to-FRUindexlistserrorsymptomsandpossiblecauses.Themostlikelycauseislistedrst.AlwaysbeginwithChapter4,“GeneralC
POSTerrorcodesEachtimeyouturnthecomputeron,itperformsaseriesofteststocheckthatthesystemisoperatingcorrectlyandthatcertainoptionsareset.Thisseriesoftes
Chapter7.Locatingconnectors,controlsandcomponentsThissectionprovidesillustrationstohelplocatethevariousconnectors,controlsandcomponentsofthecomputer.F
LeftandrightviewThefollowingillustrationshowsthelocationofconnectors,controlsandcomponentsontheleftandrightsideofthecomputer.123456781.Opticaldrive5.M
RearviewThefollowingillustrationshowsthelocationofconnectorsandcomponentsontherearofthecomputer.173 462 5881.Ethernetport5.AV-INconnectors(selectedmod
IdeaCentreB345–B545All-In-OneHardwareMaintenanceManualMachineTypes:10098/2567[B345],10100/4749[B545]
HardwarecomponentsThefollowingillustrationshowsthecomponentsthatmakeupyourcomputer.12156789341011 1213141516171918202122232425261.Rearcover14.Opticald
IdentifyingpartsonthemotherboardThemotherboard(sometimescalledtheplanarorsystemboard)isthemaincircuitboardinyourcomputer.Itprovidesbasiccomputingfunct
IdentifyingpartsandconnectorsonthehardwareTVscaleboardThefollowingillustrationshowsthelocationsofpartsontheanaloghardwareTVboard.1236451.LVDSConnector
Chapter8.ReplacinghardwareAttention:Donotremovethecomputercoverorattemptanyrepairbeforereadingthe“Importantsafetyinformation”intheSafetyandWarrantyGui
ReplacingthekeyboardandmouseAttention:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.ToreplacethekeyboardandmouseStep1.Remo
Step3.Disconnectthefailingpowercordandadapterfromthecomputer.Step4.Connectthenewpowercordtothesameconnectorasshown.RemovingthecomputercoverAttention:T
Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperatingsystem,andturnoffthecomputerandallattacheddevices.Step2.Unplugallp
Step1.Removeanymedia(disks,CDs,DVDsormemorycards)fromthedrives,shutdowntheoperatingsystem,andturnoffthecomputerandallattacheddevices.Step2.Unplugallpo
Attention:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovorecommendsthatyouuseablanket,towel,orothersoftclothtoprotec
Step5.Pushthenslidetheharddiskdriveandbracketupwardandoutofthechassisasshown.1212Step6.Pushthepinsandreleasetheharddiskdrivefromthebracket.Step7.Insta
FirstEdition(September2012)11th©CopyrightLenovo2012.LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwarearedeliveredpursuantaGeneralServicesAdministratio
Step4.Removetherearcover.Referto“Removingtherearcover”.Step5.Pushdownthepinthatlockstheopticaldiskdrivetothechassisthenusethescrewdriverpushthediskout
Step9.Separatethecoverfromthedefectiveopticaldrive.Step10.Installthenewopticaldriveasfollows:a.Alignthenewopticaldrivewiththecover,andthenpushthecover
Step7.Removetheeightscrewsthatsecurethemiddlecovertothechassis.111111111Step8.Pushupthemiddlecoverupwardwithtwohandstoremoveitfrompins.23236IdeaCentre
Step9.Slidethemiddlecoveroutasshown.(Fromlefttoright)33Step10.Toreattachthemiddlecover:a.Lineupthemiddlecoverwithchassis,slideitbackinposition.b.Pushd
Step8.Pushthepinstoreleasetheconverter.1111Step9.Disconnectthetwocablesfromtheconverterboard.2Step10.Liftuptheconverterboardtoremoveit.2238IdeaCentreB
Step11.Toinstallthenewconverterboard:a.Lineupthenewconverterboardwiththemountingpins,andthen,secureconverterboardwiththepins.b.Connectthetwocablestoth
Step11.ToreinstalltheEMIcover:a.LineuptheEMIcoverwiththemountingholesonthechassisandsecureitwiththetwelvescrews.b.LineuptherearI/Ocoverwiththemounting
Step9.Disconnectthedatacablefromthecamera.Step10.Toinstallthenewcamera:a.Connectthedatacabletothenewcamera.b.Lineupthenewcameraholeswiththemountinghol
Step9.DisconnectthecablefromtheBluetoothmodule.Step10.ToinstallthenewBluetoothmodule:a.ConnectthecabletothenewBluetoothmodule.b.LineupthenewBluetoothm
Step9.Useaatheadscrewdriverasalevertopriseoutthebatteryasshown.Step10.Toinstallthenewbattery:a.Insertthenewbattery(CR2032)intothesocketwiththesidelab
ContentsChapter1.Aboutthismanual...1ImportantSafetyInformation...1Chapter2.Safetyinformation...3Generalsafety...3Electricals
Step9.Removethevescrewsthatsecurethesystemfantotheheat-sinkandliftthesystemfanuptoremoveit.Step10.Separatethedefectivefanfromthegoodoneasshown.Step11
Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovorecommendsthatyouuseablanket,towel,orothersoftclothtoprotectthec
Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovorecommendsthatyouuseablanket,towel,orothersoftclothtoprotectthec
ReplacingtheCPUNote:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.ToreplacetheCPUStep1.Removeanymedia(disks,CDs,DVDs,ormem
Attention:Donottouchthegoldcontactsonthebottomofthemicroprocessor.Whenhandingthemicroprocessor,touchonlythesides.Note:Donotdropanythingontothemicropro
Step15.Lowerthemicroprocessorstraightdownintoitssocketonthemotherboard.Step16.Tosecurethemicroprocessorinthesocket,closethemicroprocessorretainerandlo
Step5.Removethecomputerstand.Referto“Removingthecomputerstand” .Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .Step7.Removethemiddleco
Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperatingsystem,andturnoffthecomputerandallattacheddevices.Step2.Unplugallp
Step4.Removetherearcover.Referto“Removingtherearcover”.Step5.Removethecomputerstand.Referto“Removingthecomputerstand” .Step6.Removetheopticaldrive.Ref
Step9.Disconnectthespeakercablefromtheconnectorsonmotherboard.Step10.Detachthespeakersystemfromtherubberscrewsasshown.Step11.Toinstallthenewspeakersys
ivIdeaCentreB345–B545All-In-OneHardwareMaintenanceManual
Step9.Disconnectthetouchcablesfromthetouchcontrolboard.1Step10.Removethetwoscrewsthatsecurethetouchcontrolboardtothechassis.2Step11.Liftupthetouchcont
Step10.Disconnectthethreecablesfromthescalarboard.1Step11.Removethevescrewsthatsecurethescalarboardtothemotherboardandchassis,thenliftituptoremoveit.
Step15.RemovetheTVscalarboard.Referto“ReplacingtheTVscalarboard” .Step16.RemovetheWi-Ficard.Referto“ReplacingtheWi-Ficard”.Step17.RemovetheTVtunercard
Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovorecommendsthatyouuseablanket,towel,orothersoftclothtoprotectthec
Step13.DisconnecttheLVDScablefromtheconnectorontheLEDpanel.Step14.Disconnecttheconvertercablefromtheconnectorontheconverter.Step15.Disconnectthefrontf
Step22.Pushthepinsthatsecurethepowerswitchboardtothefrontbezel,andthenliftoutthepowerswitchboardasshown.Step23.ToinstallthenewtheLEDpanel:a.Installthe
Step24.ReattachtheEMIcover,middlecover,opticaldrive,computerstandandtherearcover.ReplacingthepowerswitchboardNote:Turnoffthecomputerandwait3to5minutes
Step13.DisconnecttheLVDScablefromtheconnectorontheLEDpanel.Step14.Disconnecttheconvertercablefromtheconnectorontheconverter.Step15.Disconnectthefrontf
Step23.Toinstallthenewthepowerswitchboard:a.Insertthepowerswitchboard,snapitinpositionandsecureitwiththepins.b.Connecttheconvertercabletotheconnectoro
Chapter9.GeneralinformationThischapterprovidesgeneralinformationthatappliestoallmachinetypessupportedbythispublication.AdditionalServiceInformationThi
Chapter1.AboutthismanualThismanualcontainsserviceandreferenceinformationforIdeaCentreB345-B545All-In-Onecomputerslistedonthecover.Itisintendedonlyfort
2IdeaCentreB345–B545All-In-OneHardwareMaintenanceManual
Chapter2.SafetyinformationThischaptercontainsthesafetyinformationthatyouneedtobefamiliarwithbeforeservicingacomputer.GeneralsafetyFollowtheserulestoen
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