Lenovo C445 All-in-One Manuale Utente

LenovoC345/C445All-In-OnePCHardwareMaintenanceManualideaideaideaCentreideaMachineTypes:10103/4751[C345],10105/6596[C445]

Observethefollowingruleswhenworkingonelectricalequipment.Important:Useonlyapprovedtoolsandtestequipment.Somehandtoolshavehandlescoveredwithasoftmateri

–Switchoffpower.–Sendanotherpersontogetmedicalaid.SafetyinspectionguideTheintentofthisinspectionguideistoassistyouinidentifyingpotentialhazardsposedby

•Keepthepartsinprotectivepackagesuntiltheyareinsertedintotheproduct.•Avoidcontactwithotherpeoplewhilehandlingthepart.•Wearagroundedwriststrapagainstyo

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.GeneralinformationThischapterprovidesgeneralinformationthatappliestoallcomputermodelscoveredbythismanual.SpecicationsThissectionliststhephys

10LenovoC345/C445All-In-OnePCHardwareMaintenanceManual

Chapter4.GeneralCheckoutAttention:Thedrivesinthecomputeryouareservicingmighthavebeenrearrangedorthedrivestartupsequencemayhavebeenchanged.Beextremelyc

12LenovoC345/C445All-In-OnePCHardwareMaintenanceManual

Chapter5.UsingtheSetupUtilityTheSetupUtilityprogramisusedtoviewandchangethecongurationsettingsofyourcomputer,regardlessofwhichoperatingsystemyouareus

AdministratorPasswordSettinganAdministratorPassworddetersunauthorizedpersonsfromchangingcongurationsettings.Y oumightwanttosetanAdministratorPassword

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

SelectATADeviceSetup,presstheEnterkey,thenselectSATAMode.SelectAudioSetup,presstheEnterkey,thenselectOnboardAudioController.SelectNetworkSetup,pressth

a.Ifyoudonotwanttosavethesettings,selectDiscardchangesandExitfromthemenu.b.Ifyouhavechangedthesesettingsandwanttoreturntothedefaultsettings,selectLoad

18LenovoC345/C445All-In-OnePCHardwareMaintenanceManual

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

POSTerrorcodesEachtimeyouturnthecomputeron,itperformsaseriesofteststocheckthatthesystemisoperatingcorrectlyandthatcertainoptionsareset.Thisseriesoftes

Chapter7.Locatingconnectors,controlsandcomponentsThissectionprovidesillustrationstohelplocatethevariousconnectors,controlsandcomponentsofthecomputer.F

LeftandrightviewThefollowingillustrationshowsthelocationofconnectors,controlsandcomponentsontheleftandrightsideofthecomputer.123654781.USBconnector5.M

RearviewThefollowingillustrationshowsthelocationofconnectorsandcomponentsontherearofthecomputer.1 2 3 7654891.TVtunerconnector(selectedmodelsonly,2con

LenovoC345/C445All-In-OnePCHardwareMaintenanceManualMachineTypes:10103/4751[C345],10105/6596[C445]

HardwarecomponentsThefollowingillustrationshowsthecomponentsthatmakeupyourcomputer.1236789101114181617151920214512131.Computerstand12.Wi-Ficard2.Footc

IdentifyingpartsonthemotherboardThemotherboard(sometimescalledtheplanarorsystemboard)isthemaincircuitboardinyourcomputer.Itprovidesbasiccomputingfunct

26LenovoC345/C445All-In-OnePCHardwareMaintenanceManual

Chapter8.ReplacinghardwareAttention:Donotremovethecomputercoverorattemptanyrepairbeforereadingthe“Importantsafetyinformation”intheSafetyandWarrantyGui

ReplacingthekeyboardandmouseNote:YourkeyboardwillbeconnectedtoaUSBconnectorateithersideorattherearofthecomputer.Toreplacethekeyboard:Step1.Removeanyme

Step2.Disconnecttheadaptercablefromthecomputer1,thenunplugthepowercordfromelectricaloutlet.2Step3.Connectthenewadapterasshown.12Chapter8.Replacinghard

RemovingthestandbaseAttention:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.Note:Itmaybehelpfultoplacethecomputerface-down

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

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

ReplacingtheharddiskdriveAttention:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.Note:Itmaybehelpfultoplacethecomputerface

ThirdEdition(December2012)28th©CopyrightLenovo2012.LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwarearedeliveredpursuantaGeneralServicesAdministration

Step7.Pushthelockpinsoutwardtoreleasetheharddiskdrivefromthebracket.Step8.Toinstallthenewharddiskdrive:a.Lineupthenewharddiskdrivewiththebracketandsec

Step6.Pushtheopticaldrivepindownwardtopushouttheopticaldriveasshown.12Step7.Pushasmallironstick(paperclip)intothesmallholeontheopticaldrivecoversothat

Step10.Separatethecoverfromthedefectiveopticaldrive.Step11.T oinstallthenewopticaldrive:a.Alignthenewopticaldrivewiththecover,andthenpushthecoverbacki

Step7.Toreattachthestandholder:a.Aligntheholesonthestandholderwithmountingholesonthechassis,placethestandholderbackintoposition.b.Securethestandholder

Step9.Toreattachthemiddlecover:a.Lineupthemiddlecoverwithchassis,thenplacethemiddlecoverback.b.Securethemiddlecovertothechassiswiththevescrews.Step10

Step9.Disconnectthetwocablesfromtheconverter,andthenremovethetwoscrewsthatsecuretheconverterboardtothechassis.Step10.Liftuptheconverterboardtoremoveit

Step9.Removethetwoscrewsthatsecurecameratothefrontbezel.1Step10.Liftupthecamera2anddisconnectthedatacablefromthecamera.3Step11.T oinstallthenewcamera:

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

Step2.Unplugallpowercordsfromelectricaloutlets.Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)cables,andanyoth

Step12.RemovethetwoscrewsthatsecurerearI/Omoduletothebracket1,loosetherearI/Omodule,thenslideitout.2Step13.T oinstallthenewrearI/Omodule:a.Lineupthene

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

Step7.Removethestandholder.Referto“Removingthestandholder”.Step8.Removethemiddlecover.Referto“Removingthemiddlecover”.Step9.RemovetheEMIcover.Referto“

Step9.RemovetheEMIcover.Referto“RemovingtheEMIcover”.Step10.Removethesealingtapebetweenthesystemfanandheat-sink.Step11.Removethetwoscrewsthatsecurethe

Step9.RemovetheEMIcover.Referto“RemovingtheEMIcover”.Step10.Removethesealingtapebetweenthesystemfanandheat-sink.Step11.Removethevescrewsthatsecurethe

Step7.Removethestandholder.Referto“Removingthestandholder”.Step8.Removethemiddlecover.Referto“Removingthemiddlecover”.Step9.RemovetheEMIcover.Referto“

Step9.RemovetheEMIcover.Referto“RemovingtheEMIcover”.Step10.DisconnecttheantennacablesfromtheWLANcard.Step11.RemovethescrewthatsecurestheWLANcardtothe

Step12.Disconnectthedatacablefromthefrontcontrolboard,thenliftupthefrontcontrolboard.Step13.T oinstallthenewfrontcontrolboard:a.Connectthedatacabletot

Step10.Gentlypushthepinthatlocksthepowerswitchboardtoreleaseit,thenslidethepowerswitchboardout.Step11.Disconnectthedatacablefromthepowerswitchboard.St

Step9.Removethemiddlecover.Referto“Removingthemiddlecover”.Step10.RemovetheEMIcover.Referto“RemovingtheEMIcover” .Step11.RemovetherearI/Omodule.Refert

•CPU•Heat-sink•RearI/Omodule•MemorymoduleStep20.ReattachtheEMIcover,middlecover,opticaldrive,standholder,footcoverandstandbase.ReplacingtheLEDpanelNot

Step16.Removethe9screwsthatsecurethechassistothefrontbezel.1Step17.RemovethefourscrewsthatsecuretheLEDpaneltothechassis,andthendisconnectthepowercable

ivLenovoC345/C445All-In-OnePCHardwareMaintenanceManual

54LenovoC345/C445All-In-OnePCHardwareMaintenanceManual

Chapter9.FRUlistsThischapterliststheinformationontheeldreplaceableunits(FRUs).Attention:Besuretoreadandunderstandallthesafetyinformationbeforereplaci

Footcover 2？？？？NMiddlecover 3？？？？NEMIcover4？？？？NMotherboardC345/C445CPU_E1-1200W/WIN8MB90000736NC345/C445CPU_E2-1800W/WIN8MB90000738NC345/C445CPU_E450

FrontbezelC445FRONTBEZEL（BLACK）90201762NC445FRONTBEZEL（RED）90201763NC445FRONTBEZEL(WHITE)90201764C345FRONTBEZEL（BLACK）90201646C345ODDBezel(BLACK)90201

OpticaldrivePLDSDS-8A8SH252014871SN-208AB25201108120HLDSGT50N252016351Opticaldrivebracket21？？??N58LenovoC345/C445All-In-OnePCHardwareMaintenanceManual

Chapter10.GeneralinformationThischapterprovidesgeneralinformationthatappliestoallcomputermodelscoveredbythismanual.AdditionalServiceInformationThischa

Chapter1.AboutthismanualThismanualcontainsserviceandreferenceinformationforLenovoC345andC445All-In-Onecomputerslistedonthecover.Itisintendedonlyfortra

2LenovoC345/C445All-In-OnePCHardwareMaintenanceManual

Chapter2.SafetyinformationThischaptercontainsthesafetyinformationthatyouneedtobefamiliarwithbeforeservicingacomputer.GeneralsafetyFollowtheserulestoen