Lenovo IdeaCentre B345 All-in-One Manual do Utilizador

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.SpecicationsThissectionliststh

10IdeaCentreB345–B545All-In-OneHardwareMaintenanceManual

Chapter4.GeneralCheckoutAttention:Thedrivesinthecomputeryouareservicingmighthavebeenrearrangedorthedrivestartupsequencechanged.Beextremelycarefuldurin

12IdeaCentreB345–B545All-In-OneHardwareMaintenanceManual

Chapter5.UsingtheSetupUtilityTheSetupUtilityprogramisusedtoviewandchangethecongurationsettingsofyourcomputer,regardlessofwhichoperatingsystemyouareus

AdministratorPasswordSettinganAdministratorPassworddetersunauthorizedpersonsfromchangingcongurationsettings.Y oumightwanttosetanAdministratorPassword

TosetaPower-OnPassword,dothefollowing:1.StarttheLenovoBIOSSetupUtilityprogram(See”StartingtheLenovoBIOSSetupUtilityprogram”onpage13.)2.FromtheSecurity

USBSetuppresstheEnterkey,andthenselectUSBFunctions.ATADeviceSetuppresstheEnterkey.SelectCongureSATAas,presstheEnterkeyandthenselectSATAmode.AudioSetu

b.Ifyouhavechangedthesesettingsandwanttoreturntothedefaultsettings,selectLoadOptimalDefaultsfromthemenu.ExitingtheLenovoBIOSSetupUtilityprogramAfteryo

18IdeaCentreB345–B545All-In-OneHardwareMaintenanceManual

Chapter6.Symptom-to-FRUIndexTheSymptom-to-FRUindexlistserrorsymptomsandpossiblecauses.Themostlikelycauseislistedrst.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-downonasoftatsurfaceforthisprocedure.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.Useaatheadscrewdriverasalevertopriseoutthebatteryasshown.Step10.Toinstallthenewbattery:a.Insertthenewbattery(CR2032)intothesocketwiththesidelab

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

Step9.Removethevescrewsthatsecurethesystemfantotheheat-sinkandliftthesystemfanuptoremoveit.Step10.Separatethedefectivefanfromthegoodoneasshown.Step11

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovorecommendsthatyouuseablanket,towel,orothersoftclothtoprotectthec

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.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.Removethevescrewsthatsecurethescalarboardtothemotherboardandchassis,thenliftituptoremoveit.

Step15.RemovetheTVscalarboard.Referto“ReplacingtheTVscalarboard” .Step16.RemovetheWi-Ficard.Referto“ReplacingtheWi-Ficard”.Step17.RemovetheTVtunercard

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.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