Lenovo C20-00 Hardware Maintenance Manual [en, ar, bg, cs, da, de, el, es, et, fi, fr, he, hr, hu, it, ja, ko, nb, nl, pl, pt, ro, ru, sk, sl, sr, sv, th, tr, uk, zh]

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LenovoC20–00Non-TouchAll-In-OnePC HardwareMaintenanceManual
MachineTypes:F0BB[C20-00]
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LenovoC20–00Non-TouchAll-In-OnePC HardwareMaintenanceManual
MachineTypes:F0BB[C20-00]
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SecondEdition(August2015)14th
©CopyrightLenovo2015,2015.
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Contents
Chapter1.Aboutthismanual.....1
ImportantSafetyInformation.........1
Chapter2.Safetyinformation.....3
Generalsafety...............3
Electricalsafety..............3
Safetyinspectionguide...........5
Handlingelectrostaticdischarge-sensitive
devices.................5
Groundingrequirements...........6
Safetynotices...............6
Chapter3.Generalinformation....9
Specifications...............9
Chapter4.GeneralCheckout.....11
Chapter5.UsingtheSetupUtility...13
StartingtheLenovoBIOSSetupUtilityprogram.13
Viewingandchangingsettings........13
Usingpasswords..............13
Enablingordisablingadevice........15
Selectingastartupdevice..........16
Changingbootingmode...........17
ExitingtheLenovoBIOSSetupUtilityprogram..17
Chapter6.Symptom-to-FRUIndex..19
Harddiskdrivebooterror..........19
PowerSupplyProblems...........19
POSTerrorcodes.............20
Undeterminedproblems...........20
Chapter7.Replacinghardware....21
Generalinformation.............21
Replacingthekeyboardandmouse......22
Replacingthepoweradapter.........22
Removingtherearcover...........24
Replacingtheharddiskdrive.........29
Replacingamemorymodule.........31
Replacingtheopticaldrive..........32
Replacingthesystemfan..........33
ReplacingtheWi-Ficard...........34
Replacingthespeakersystem........35
Replacingthepowerswitchboard.......36
ReplacingtheI/OShielding..........37
Replacingthemotherboardortheheat-sink
module.................38
Replacingthecamera............40
Replacingtheconverterboard........41
ReplacingtheLEDpanel...........42
Chapter8.FRUlists-C20–00.....47
Chapter9.AdditionalService
Information..............55
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Chapter1.Aboutthismanual

ThismanualcontainsserviceandreferenceinformationforLenovoC20-00NoneTouchAll-In-Onecomputer listedonthecover.ItisintendedonlyfortrainedservicerswhoarefamiliarwithLenovocomputerproducts.
BeforeservicingaLenovoproduct,besuretoreadtheSafetyInformation.
ThedescriptionoftheTV-tunercardinthismanualappliesonlytocomputerswithaTV-tunercardinstalled. ItdoesnotapplytocomputerswithoutaTV-tunercard.

ImportantSafetyInformation

BesuretoreadallCAUTIONandDANGERsectionsinthismanualbeforefollowinganyoftheinstructions.
VeuillezliretouteslesconsignesdetypeDANGERetA TTENTIONduprésentdocumentavantd’exécuter lesinstructions.
LesenSieunbedingtalleHinweisevomT yp“ ACHTUNG”oder“VORSICHT”indieserDokumentation,bevor SieirgendwelcheVorgängedurchführen
LeggereleistruzioniintrodottedaATTENZIONEePERICOLOpresentinelmanualeprimadieseguireuna qualsiasidelleistruzioni
Certifique-sedelertodasasinstruçõesdecuidadoeperigonestemanualantesdeexecutarqualquer umadasinstruções
Esimportantequeleatodaslasdeclaracionesdeprecauciónydepeligrodeestemanualantesdeseguir lasinstrucciones.
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Chapter2.Safetyinformation

Thischaptercontainsthesafetyinformationthatyouneedtobefamiliarwithbeforeservicingacomputer.

Generalsafety

Followtheserulestoensuregeneralsafety:
•Keeptheareasaroundthecomputerclearandcleanduringandaftermaintenance.
•Whenliftinganyheavyobject:
1.Ensureyoucanstandsafelywithoutslipping.
2.Distributetheweightoftheobjectequallyacrossbothfeet.
3.Liftslowly.Nevermovesuddenlyortwistwhenyouattempttolift.
4.Liftbystandingorbypushingupwithyourlegmuscles;thisactionremovesthestrainfromthe musclesinyourback.
Donotattempttoliftanyobjectsthatweighmorethan16kg(35lbs.)orobjectsthatyouthink aretooheavyforyou.
•Donotperformanyactionthatwouldcreateahazardforthecustomer,orwouldmakethecomputer unsafe.
•Beforeyoustartthecomputer,ensurethatotherservicerepresentativesandcustomerpersonnelarenot inapositionthatwouldcreateahazardforthem.
•Placeremovedcoversandotherpartsinasafeplace,awayfromallpersonnel,whileyouareservicingthe computer.
•Keepyourtoolcaseawayfromareasthatpeoplemaywalkthroughtoensureno-onetripsoverit.
•Donotwearlooseclothingthatcanbetrappedinthemovingpartsofamachine.Ensurethatyoursleeves arefastenedorrolledupaboveyourelbows.Ifyourhairislong,tieorfastenitback.
•Inserttheendsofyournecktieorscarfinsideclothingorfastenitwithanonconductiveclip,approximately 8centimeters(3inches)fromtheend.
•Donotwearjewelry,chains,metal-frameeyeglasses,ormetalfastenersforyourclothing. Remember:Metalobjectsaregoodelectricalconductors.
•Wearsafetyglasseswhenyouare:hammering,drillingsoldering,cuttingwire,attachingsprings,using solvents,orworkinginanyotherconditionsthatmightbehazardoustoyoureyes.
•Afterservice,reinstallallsafetyshields,guards,labels,andgroundwires.Replaceanysafetydevice thatiswornordefective.
•Reattachallcoverscorrectlybeforereturningthecomputertothecustomer.

Electricalsafety

CAUTION: Electricalcurrentfrompower,telephone,andcommunicationcablescanbehazardous.Toavoid personalinjuryorequipmentdamage,disconnectanyattachedpowercords,telecommunication cables,networkcables,andmodemcablesbeforeyouopenthecomputercovers,unlessinstructed otherwiseintheinstallationandconfigurationprocedures.
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Observethefollowingruleswhenworkingonelectricalequipment.
Important:Useonlyapprovedtoolsandtestequipment.Somehandtoolshavehandlescoveredwithasoft materialthatdoesnotinsulateyouwhenworkingwithliveelectricalcurrents.Manycustomershaverubber floormatsneartheirequipmentthatcontainsmallconductivefiberstodecreaseelectrostaticdischarge.
•Findtheroomemergencypower-off(EPO)switch,disconnectingswitch,orelectricaloutlet.Ifanelectrical accidentoccurs,youcanthenoperatetheswitchorunplugthepowercordquickly.
•Donotworkaloneunderhazardousconditionsornearequipmentthathashazardousvoltages.
•Disconnectallpowerbefore:
–Performingamechanicalinspection
–Workingnearpowersupplies
–RemovingorinstallingFieldReplaceableUnits(FRUs)
•Beforeyoustarttoworkonthecomputer,unplugthepowercord.Ifyoucannotunplugit,askthe customertopower-offtheelectricaloutletthatsuppliespowertothemachineandtolocktheelectrical outletintheoffposition.
•Ifyouneedtoworkonacomputerthathasexposedelectricalcircuits,observethefollowingprecautions:
–Ensurethatanotherperson,familiarwiththepower-offcontrols,isnearyou.
Remember:Anotherpersonmustbetheretoswitchoffthepower,ifnecessary.
–Useonlyonehandwhenworkingwithpowered-onelectricalequipment;keeptheotherhandinyour
pocketorbehindyourback. Remember:Theremustbeacompletecircuittocauseelectricalshock.Byobservingtheaboverule, youmaypreventacurrentfrompassingthroughyourbody.
–Whenusingatester,setthecontrolscorrectlyandusetheapprovedprobeleadsandaccessoriesfor
thattester.
–Standonsuitablerubbermats(obtainedlocally,ifnecessary)toinsulateyoufromgroundssuchas
metalfloorstripsandmachineframes.
Observethespecialsafetyprecautionswhenyouworkwithveryhighvoltages;theseinstructionsarein thesafetysectionsofthemaintenanceinformation.Useextremecarewhenmeasuringhighvoltages.
•Regularlyinspectandmaintainyourelectricalhandtoolstoensuretheyaresafetouse.
•Donotusewornorbrokentoolsandtesters.
Neverassumethatpowerhasbeendisconnectedfromacircuit.First,checkthatithasbeenpoweredoff.
•Alwayslookcarefullyforpossiblehazardsinyourworkarea.Examplesofthesehazardsarewetfloors, non-groundedpowerextensioncables,conditionsthatmaycauseorallowpowersurges,andmissing safetygrounds.
•Donottouchliveelectricalcircuitswiththereflectivesurfaceofaplasticdentalmirror.Thissurfaceis conductive,andtouchingalivecircuitcancausepersonalinjuryanddamagetothecomputer.
•Donotservicethefollowingpartswiththepoweronwhentheyareremovedfromtheirnormaloperating positionsinacomputer:
–Powersupplyunits
–Pumps
–Blowersandfans
–Motorgenerators
andsimilarunits.(Thispracticeensurescorrectgroundingoftheunits.)
•Ifanelectricalaccidentoccurs:
–Usecaution;donotbecomeavictimyourself.
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–Switchoffpower.
–Sendanotherpersontogetmedicalaid.

Safetyinspectionguide

Theintentofthisinspectionguideistoassistyouinidentifyingpotentialhazardsposedbytheseproducts. Eachcomputer,asitwasdesignedandbuilt,hadrequiredsafetyitemsinstalledtoprotectusersand servicepersonnelfrominjury.Thisguideaddressesonlythoseitems.However,goodjudgmentshouldbe usedtoidentifypotentialsafetyhazardsduetoattachmentoffeaturesoroptionsnotcoveredbythis inspectionguide.
Ifanyhazardsarepresent,youmustdeterminehowserioustheapparenthazardcouldbeandwhetheryou cancontinuewithoutfirstresolvingtheproblem.
Considerthefollowingitemsandthesafetyhazardstheypresent:
•Electricalhazards,especiallyprimarypower(primaryvoltageontheframecancauseseriousorfatal electricalshock).
•Explosivehazards,suchasadamagedCRTfaceorbulgingcapacitor
•Mechanicalhazards,suchaslooseormissinghardware
Theguideconsistsofaseriesofstepspresentedasachecklist.Beginthecheckswiththepoweroff,and thepowercorddisconnected.
Checklist:
1.Checkexteriorcoversfordamage(loose,broken,orsharpedges).
2.Power-offthecomputer.Disconnectthepowercord.
3.Checkthepowercordfor:
a.Athird-wiregroundconnectoringoodcondition.Useametertomeasurethird-wireground
continuityfor0.1ohmorlessbetweentheexternalgroundpinandframeground.
b.Thepowercordshouldbetheappropriatetypeasspecifiedinthepartslistings.
c.Insulationmustnotbefrayedorworn.
4.Removethecover.
5.Checkforanyobviousalterations.Usegoodjudgmentastothesafetyofanyalterations.
6.Checkinsidetheunitforanyobvioushazards,suchasmetalfilings,contamination,waterorother liquids,orsignsoffireorsmokedamage.
7.Checkforworn,frayed,orpinchedcables.
8.Checkthatthepower-supplycoverfasteners(screwsorrivets)havenotbeenremovedortamperedwith.

Handlingelectrostaticdischarge-sensitivedevices

Anycomputerpartcontainingtransistorsorintegratedcircuits(ICs)shouldbeconsideredsensitiveto electrostaticdischarge(ESD).ESDdamagecanoccurwhenthereisadifferenceinchargebetweenobjects. ProtectagainstESDdamagebyequalizingthechargesothatthecomputer,thepart,theworkmat,andthe personhandlingthepartareallatthesamecharge.
Notes:
1.Useproduct-specificESDprocedureswhentheyexceedtherequirementsnotedhere.
2.MakesurethattheESDprotectivedevicesyouusehavebeencertified(ISO9000)asfullyeffective.
WhenhandlingESD-sensitiveparts:
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•Keepthepartsinprotectivepackagesuntiltheyareinsertedintotheproduct.
•Avoidcontactwithotherpeoplewhilehandlingthepart.
•Wearagroundedwriststrapagainstyourskintoeliminatestaticonyourbody.
•Preventthepartfromtouchingyourclothing.Mostclothingisinsulativeandretainsachargeeven whenyouarewearingawriststrap.
•Usetheblacksideofagroundedworkmattoprovideastatic-freeworksurface.Thematisespecially usefulwhenhandlingESD-sensitivedevices.
•Selectagroundingsystem,suchasthoselistedbelow,toprovideprotectionthatmeetsthespecific servicerequirement.
Note:TheuseofagroundingsystemisdesirablebutnotrequiredtoprotectagainstESDdamage.
–AttachtheESDgroundcliptoanyframeground,groundbraid,orgreen-wireground.
–UseanESDcommongroundorreferencepointwhenworkingonadouble-insulatedor
battery-operatedsystem.Y oucanusecoaxorconnector-outsideshellsonthesesystems.
–Usetheroundground-prongoftheACplugonAC-operatedcomputers.

Groundingrequirements

Electricalgroundingofthecomputerisrequiredforoperatorsafetyandcorrectsystemfunction.Proper groundingoftheelectricaloutletcanbeverifiedbyacertifiedelectrician.

Safetynotices

TheCAUTIONandDANGERsafetynoticesinthissectionareprovidedinthelanguageofEnglish.
DANGER
Electricalcurrentfrompower,telephoneandcommunicationcablesishazardous.
Toavoidashockhazard:
Donotconnectordisconnectanycablesorperforminstallation,maintenance,orreconfiguration ofthisproductduringanelectricalstorm.
Connectallpowercordstoaproperlywiredandgroundedelectricaloutlet.
Connectanyequipmentthatwillbeattachedtothisproducttoaproperlywiredoutlet.
Whenpossible,useonehandonlytoconnectordisconnectsignalcables.
Neverturnonanyequipmentwhenthereisevidenceoffire,water,orstructuraldamage.
Disconnecttheattachedpowercords,telecommunicationscables,networkcables,andmodem
cablesbeforeyouopenthedevicecovers,unlessinstructedotherwiseintheinstallationand configurationprocedures.
Connectanddisconnectcablesasdescribedinthefollowingtablewheninstalling,moving,or openingcoversonthisproductorattacheddevices.
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ToConnect
1.T urneverythingOFF .
2.First,attachallcablestodevices.
3.Attachsignalcablestoconnectors.
4.Attachpowercordstooutlet.
5.T urndeviceON.
ToDisconnect
1.T urneverythingOFF .
2.First,removepowercordsfromoutlets.
3.Removesignalcablesfromconnectors.
4.Removeallcablesfromdevices.
CAUTION: Whenreplacingthelithiumbattery,useonlyPartNumber45C1566oranequivalenttypebattery recommendedbythemanufacturer.Ifyoursystemhasamodulecontainingalithiumbattery,replace itonlywiththesamemoduletypemadebythesamemanufacturer .Thebatterycontainslithiumand canexplodeifnotproperlyused,handled,ordisposedof.
Donot:
•Throwintoorimmerseinwater
•Heattomorethan100°C(212°F)
•Repairordisassemble
Disposeofthebatteryasrequiredbylocalordinancesorregulations.
CAUTION: Whenlaserproducts(suchasCD-ROMs,DVD-ROMdrives,fiberopticdevices,ortransmitters)are installed,notethefollowing:
•Donotremovethecovers.Removingthecoversofthelaserproductcouldresultinexposureto hazardouslaserradiation.Therearenoserviceablepartsinsidethedevice.
•Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthosespecifiedherein mightresultinhazardousradiationexposure.
DANGER
SomelaserproductscontainanembeddedClass3AorClass3Blaserdiode.Notethefollowing:
Thesediodesemitradiationwhenopen.Donotstareintothebeam,donotviewdirectlywith opticalinstruments,andavoiddirectexposuretothebeam.
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≥18kg(37lbs)≥32kg(70.5lbs)≥55kg(121.2lbs)
1
2
CAUTION: Usesafepracticeswhenlifting.
CAUTION: Thepowercontrolbuttononthedeviceandthepowerswitchonthepowersupplydonotturnoff theelectricalcurrentsuppliedtothedevice.Thedevicealsomighthavemorethanonepower cord.Toremoveallelectricalcurrentfromthedevice,ensurethatallpowercordsaredisconnected fromthepowersource.
CAUTION: Donotplaceanyobjectweighingmorethan82kg(180lbs.)ontopofrack-mounteddevices.
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Chapter3.Generalinformation

Thischapterprovidesgeneralinformationthatappliestoallcomputermodelscoveredbythismanual.
Specifications
Thissectionliststhephysicalspecificationsforyourcomputer.
Thissectionliststhephysicalspecificationsforyourcomputer.
TypeLenovoC20–00NoneT ouchModels
Thissectionliststhephysicalspecifications.
Environment
Airtemperature:
Operating:10°to35°C
Transit:-20°to55°C
Humidity:
Operating:35%to80%
Transit:20%to90%(40°C)
Altitude:86KPato106KPa
Electricalinput:
Inputvoltage:90V-264V(AC)
Inputfrequency:47Hz-63Hz
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Chapter4.GeneralCheckout

Attention:Thedrivesinthecomputeryouareservicingmighthavebeenrearrangedorthedrivestartup
sequencemayhavebeenchanged.Beextremelycarefulduringwriteoperationssuchascopying,saving,or formatting.Dataorprogramscanbeoverwrittenifyouselectanincorrectdrive.
Generalerrormessagesappearifaproblemorconflictisfoundbyanapplication,theoperatingsystem,or both.Foranexplanationofthesemessages,refertotheinformationsuppliedwiththatsoftwarepackage.
Usethefollowingproceduretohelpdeterminethecauseoftheproblem:
1.Power-offthecomputerandallexternaldevices.
2.Checkallcablesandpowercords.
3.Setalldisplaycontrolstothemiddleposition.
4.Power-onallexternaldevices.
5.Power-onthecomputer.
•Lookfordisplayederrorcodes.
•Lookforreadableinstructionsoramainmenuonthedisplay.
Ifyoudidnotreceivethecorrectresponse,proceedtostep6.
Ifyoudidreceivethecorrectresponse,proceedtostep7.
6.Ifoneofthefollowinghappens,followtheinstructiongiven:
•IfthecomputerdisplaysaPOSTerror,goto“POSTerrorcodes” .
•Ifthecomputerhangsandnoerrorisdisplayed,continueatstep7.
7.Iftheteststopsandyoucannotcontinue,replacethelastdevicetested.
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Chapter5.UsingtheSetupUtility

TheSetupUtilityprogramisusedtoviewandchangetheconfigurationsettingsofyourcomputer,regardless ofwhichoperatingsystemyouareusing.However,theoperatingsystemsettingsmightoverrideanysimilar settingsintheSetupUtilityprogram.

StartingtheLenovoBIOSSetupUtilityprogram

TostarttheLenovoBIOSSetupUtilityprogram,dothefollowing:
1.Ifyourcomputerisalreadyonwhenyoustartthisprocedure,shutdowntheoperatingsystemand turnoffthecomputer.
2.PressandholdtheF1keythenturnonthecomputer.WhentheLenovoBIOSSetupUtilityprogramis displayed,releasetheF1key.
Note:IfaPower-OnPasswordoranAdministratorPasswordhasbeenset,theSetupUtilityprogrammenu willnotbedisplayeduntilyoutypeyourpassword.Formoreinformation,see“Usingpasswords. ”

Viewingandchangingsettings

SystemconfigurationoptionsarelistedintheLenovoBIOSSetupUtilityprogrammenu.T ovieworchange settings,see“StartingtheSetupUtilityprogram.”
YoumustusethekeyboardwhenusingtheLenovoBIOSSetupUtilitymenu.Thekeysusedtoperform varioustasksaredisplayedonthebottomofeachscreen.

Usingpasswords

YoucanusetheLenovoBIOSSetupUtilityprogramtosetpasswordstopreventunauthorizedpersons fromgainingaccesstoyourcomputeranddata.See“StartingtheSetupUtilityprogram.”Thefollowing typesofpasswordsareavailable:
•AdministratorPassword
•Power-OnPassword
Youdonothavetosetanypasswordstouseyourcomputer.However,ifyoudecidetosetpasswords,read thefollowingsections.
Passwordconsiderations
Apasswordcanbeanycombinationoflettersandnumbersupto16characters(a-zand0-9).Forsecurity reasons,itisagoodideatouseastrongpasswordthatcannotbeeasilycompromised.Wesuggestthat passwordsshouldfollowtheserules:
•Forastrongpassword,use7-16charactersandamixoflettersandnumbers.
•Donotuseyournameoryourusername.
•Donotuseacommonwordoracommonname.
•Usesomethingsignificantlydifferentfromyourpreviouspassword.
Attention:AdministratorandPower-Onpasswordsarenotcasesensitive.
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AdministratorPassword
SettinganAdministratorPassworddetersunauthorizedpersonsfromchangingconfigurationsettings.Y ou mightwanttosetanAdministratorPasswordifyouareresponsibleformaintainingthesettingsofseveral computers.
AfteryousetanAdministratorPassword,apasswordpromptisdisplayedeverytimeyouaccesstheLenovo BIOSSetupUtilityprogram.
IfboththeAdministratorandPower-OnPasswordareset,youcantypeeitherpassword.However,youmust useyourAdministratorPasswordtochangeanyconfigurationsettings.
Setting,changing,ordeletinganAdministratorPassword
TosetanAdministratorPassword,dothefollowing:
Note:Apasswordcanbeanycombinationoflettersandnumbersupto16characters(a-zand0-9).For moreinformation,see“Passwordconsiderations”onpage13.
1.StarttheLenovoBIOSSetupUtilityprogram(see“StartingtheLenovoBIOSSetupUtilityprogram”on page13).
2.FromtheSecuritymenu,selectSetAdministratorPasswordandpresstheEnterkey.
3.Thepassworddialogboxwillbedisplayed.TypethepasswordthenpresstheEnterkey.
4.Retypethepasswordtoconfirm,thenpresstheEnterkey.Ifyoutypedthepasswordcorrectly,the passwordwillbeinstalled.ASetupNoticewillbedisplayedconfirmingthatyourchangeshasbeen saved.
5.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.
6.SelectSaveChangesandExitfromthemenu.
TochangeanAdministratorPassword,dothefollowing:
1.StarttheLenovoBIOSSetupUtilityprogram(see“StartingtheLenovoBIOSSetupUtilityprogram”on page13).
2.FromtheSecuritymenu,selectSetAdministratorPasswordandpresstheEnterkey.
3.Thepassworddialogboxwillbedisplayed.T ypethecurrentpasswordthenpresstheEnterkey.
4.Typethenewpassword,thenpresstheEnterkey.Retypethenewpasswordtoconfirmit.Ifyoutyped thenewpasswordcorrectly,thenewpasswordwillbeinstalled.ASetupNoticewillbedisplayed confirmingthatyourchangeshavebeensaved.
5.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.
6.SelectSaveChangesandExitfromthemenu.
TodeleteapreviouslysetAdministratorPassword,dothefollowing:
1.StarttheLenovoBIOSSetupUtilityprogram(see“StartingtheLenovoBIOSSetupUtilityprogram”on page13).
2.FromtheSecuritymenu,selectSetAdministratorPasswordandpresstheEnterkey.
3.Thepassworddialogboxwillbedisplayed.T ypethecurrentpasswordandpresstheEnterkey.
4.Leaveeachnewpasswordlineitemblank,thenpresstheEnterkey.ASetupNoticewillbedisplayed confirmingthatyourchangeshavebeensaved.
5.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.
6.SelectSaveChangesandExitfromthemenu.
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Power-OnPassword
WhenaPower-OnPasswordisset,youcannotstarttheLenovoBIOSSetupUtilityprogramuntilavalid passwordistypedfromthekeyboard.
Setting,changing,ordeletingaPower-OnPassword
Note:Apasswordcanbeanycombinationoflettersandnumbersupto16characters(a-zand0-9).
TosetaPower-OnPassword,dothefollowing:
1.StarttheLenovoBIOSSetupUtilityprogram(see”StartingtheLenovoBIOSSetupUtilityprogram”on page13).
2.FromtheSecuritymenu,selectSetPower-OnPasswordandpresstheEnterkey.
3.Thepassworddialogboxwillbedisplayed.Typethepassword,thenpresstheEnterkey.
4.Retypethepasswordtoconfirm.Ifyoutypedthepasswordcorrectly,thepasswordwillbeinstalled.
5.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.
6.SelectSaveChangesandExitfromthemenu.
TochangeaPower-OnPassword,dothefollowing:
1.StarttheLenovoBIOSSetupUtilityprogram(see”StartingtheLenovoBIOSSetupUtilityprogram”on page13).
2.FromtheSecuritymenu,selectSetPower-OnPasswordandpresstheEnterkey.
3.Thepassworddialogboxwillbedisplayed.T ypethecurrentpasswordthenpresstheEnterkey.
4.Typethenewpassword,thenpresstheEnterkey.Retypethenewpasswordtoconfirmit.Ifyoutyped thenewpasswordcorrectly,thenewpasswordwillbeinstalled.ASetupNoticewillbedisplayed confirmingthatyourchangeshavebeensaved.
5.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.
6.SelectSaveChangesandExitfromthemenu.
TodeleteapreviouslysetPower-OnPassword,dothefollowing:
1.StarttheLenovoBIOSSetupUtilityprogram(see”StartingtheLenovoBIOSSetupUtilityprogram”on page13).
2.FromtheSecuritymenu,selectSetPower-OnPasswordandpresstheEnterkey.
3.Thepassworddialogboxwillbedisplayed.T ypethecurrentpasswordandpresstheEnterkey.
4.Leaveeachnewpasswordlineitemblank,thenpressEnter.ASetupNoticewillbedisplayedconfirming thatyourchangeshavebeensaved.
5.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.
6.SelectSaveChangesandExitfromthemenu.

Enablingordisablingadevice

TheDevicesoptionsisusedtoenableordisableuseraccesstothefollowing:
USBFunctionsSelectwhethertoenableordisableUSB(UniversalSerial
Bus)functions.Ifthefunctionsaredisabled,noUSB devicescanbeused.
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SATAModeSelectDisabled/IDE/AHCImode.Devicedriversupport
isrequiredforAHCIorRAID.Dependingonhowthehard diskdriveimagewasinstalled,changingthissettingmay preventthesystemfrombooting.
OnboardAudioControllerSelectwhethertoenableordisabletheOnboard
AudioController.WhenthisfeatureissettoDisabled
alldevicesconnectedtotheaudioconnectors(e.g. headphonesoramicrophone)aredisabledandcannot beused.
OnboardEthernetControllerorLANBootAgentSelectwhethertoenableordisabletheOnboardEthernet
Controller,orselectwhethertoenableordisableload
onboardPXE(PrebootExecutionEnvironment).
Toenableordisableadevice,dothefollowing:
1.StarttheSetupUtilityprogram(see“StartingtheSetupUtilityprogram”onpage13).
2.FromtheSetupUtilityprogrammenu,selectDevices.
3.Selectanoptionasfollows:
SelectUSBSetup,presstheEnterkey,thenselectUSBFunctions.
SelectATADriversSetup,presstheEnterkey,thenselectSA T AMode.
SelectAudioSetup,presstheEnterkey,thenselectOnboardAudioController.
SelectNetworkSetup,presstheEnterkey,thenselectOnboardEthernetSupportorLANBoot Agent.
4.SelectDisabledorEnabledandpresstheEnterkey.
5.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.
6.SelectSaveChangesandExitfromthemenu.
Notes:
a.Ifyoudonotwanttosavethesettings,selectDiscardChangesandExitfromthemenu.

Selectingastartupdevice

IfyourcomputerdoesnotbootfromadevicesuchastheCD/DVD-ROMdrivediskorharddiskasexpected, followoneoftheproceduresbelow.
Selectingatemporarystartupdevice
Usethisproceduretostartupfromanybootdevice.
Note:NotallCDs,DVDsorharddiskdrivesarebootable.
1.Turnoffyourcomputer.
2.PressandholdtheF12keythenturnonthecomputer.WhentheStartupDeviceMenuappears, releasetheF12key.
Note:IftheStartupDeviceMenudoesnotdisplayusingthesesteps,repeatedlypressandreleasethe F12keyratherthankeepingitpressedwhenturningonthecomputer.
3.Use↑and↓arrowstoselectthedesiredstartupdevicefromtheStartupDeviceMenuandpress theEnterkeytobegin.
Note:SelectingastartupdevicefromtheStartupDeviceMenudoesnotpermanentlychangethe startupsequence.
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Selectingorchangingthestartupdevicesequence
Tovieworpermanentlychangetheconfiguredstartupdevicesequence,dothefollowing:
1.StarttheLenovoBIOSSetupUtilityprogram(see“StartingtheLenovoBIOSSetupUtilityprogram”on page13).
2.FromtheLenovoBIOSSetupUtilityprogrammainmenu,selecttheStartupoption.
3.PresstheEnterkey,andselectthedevicesforthePrimaryBootSequence.Readtheinformation displayedontherightsideofthescreen.
4.Use↑and↓arrowstoselectadevice.Usethe<+>or<->keystomoveadeviceupordown.Usethe
<×>keytoexcludethedevicefromorincludethedeviceinthebootsequence.
5.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.
6.SelectSaveChangesandExitfromthemenu.
Notes:
a.Ifyoudonotwanttosavethesettings,selectDiscardChangesandExitfromthemenu.
b.Ifyouhavechangedthesesettingsandwanttoreturntothedefaultsettings,selectLoadOptimal
Defaultsfromthemenu.

Changingbootingmode

TherearetwobootmodesUEFIandLegacyforyourcomputer.Thedefaultbootmodeforyourcomputeris theUEFImode.IfyouneedtoinstallalegacyWindowsoperatingsystem(anyoperatingsystembefore Windows8)onyourcomputer,youmustchangethebootmodetoLegacysupport.ThelegacyWindows operatingsystemcannotbeinstalledifyoudon’tchangethebootmode.
Tochangethebootingmode,dothefollowing:
1.StarttheLenovoBIOSSetupUtilityprogram(see“StartingtheLenovoBIOSSetupUtilityprogram”on page13).
2.FromtheLenovoBIOSSetupUtilityprogrammainmenu,selecttheStartupoption.
3.SelecttheBootPriority,thenpressEnterkey.Fromthepopup“BootPriority”windowchoose Legacymode.
4.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.
5.SelectSaveChangesandExitfromthemenu.

ExitingtheLenovoBIOSSetupUtilityprogram

Afteryoufinishviewingorchangingsettings,presstheEsckeytoreturntotheLenovoBIOSSetupUtility programmainmenu.Y oumighthavetopresstheEsckeyseveraltimes.Dooneofthefollowing:
•Ifyouwanttosavethenewsettings,selectSaveChangesandExitfromthemenu.WhentheSave &resetwindowshows,selecttheYesbutton,andthenpresstheEnterkeytoexittheLenovoBIOS SetupUtilityprogram.
•Ifyoudonotwanttosavethesettings,selectDiscardChangesandExitfromthemenu.Whenthe ResetWithoutSavingwindowshows,selecttheY esbutton,andthenpresstheEnterkeytoexitthe LenovoBIOSSetupUtilityprogram.
Chapter5.UsingtheSetupUtility17
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18LenovoC20–00Non- T ouchAll-In-OnePCHardwareMaintenanceManual
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Chapter6.Symptom-to-FRUIndex

TheSymptom-to-FRUindexlistserrorsymptomsandpossiblecauses.Themostlikelycauseislistedfirst. AlwaysbeginwithChapter4,“GeneralCheckout, ”onpage11.Thisindexcanalsobeusedtohelpyou decidewhichFRUstohaveavailablewhenservicingacomputer.Ifyouareunabletocorrecttheproblem usingthisindex,goto“Undeterminedproblems”onpage20.
Notes:
•Ifyouhavebothanerrormessageandanincorrectaudioresponse,diagnosetheerrormessagefirst.
•Ifyoucannotrunthediagnostictestsoryougetadiagnosticerrorcodewhenrunningatestbutdid receiveaPOSTerrormessage,diagnosethePOSTerrormessagefirst.
•Ifyoudidnotreceiveanyerrormessagelookforadescriptionofyourerrorsymptomsinthefirstpartof thisindex.

Harddiskdrivebooterror

Aharddiskdrivebooterrorcanhavethefollowingcauses.
Error
Thestartupdriveisnotincludedinthebootsequence configuration.
Nooperatingsystemisinstalledonthebootdrive.Installanoperatingsystemonthebootdrive.
Thebootsectoronthestartupdriveiscorrupted.
Thedriveisdefective.
FRU/Action
Checktheconfigurationandensurethestartupdriveis inthebootsequence.
Thedrivemustbeformatted.Dothefollowing:
1.Attempttobackupthedataonthefailingharddisk drive.
2.Usetheoperatingsystemtoformattheharddisk drive.
Replacetheharddiskdrive.

PowerSupplyProblems

Followtheseproceduresifyoususpectthereisapowersupplyproblem.
Check/VerifyFRU/Action
Checkthatthefollowingareproperlyinstalled:
•PowerCord
•On/OffSwitchconnector
•SystemBoardPowerSupplyconnectors
•Microprocessorconnections
Checkthepowercord.PowerCord
Checkthepower-onswitch.Power-onSwitch
Reseatconnectors
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POSTerrorcodes

Eachtimeyouturnthecomputeron,itperformsaseriesofteststocheckthatthesystemisoperating correctlyandthatcertainoptionsareset.ThisseriesoftestsiscalledthePower-OnSelf-Test,orPOST. POSTdoesthefollowing:
•Checkssomebasicmotherboardoperations
•Checksthatthememoryisworkingcorrectly
•Startsvideooperations
•Verifiesthatthebootdriveisworking
POSTErrorMessageDescription/Action
Keyboarderror
RebootandSelectproperBootdeviceorInsertBoot MediainselectedBootdevice
Cannotinitializethekeyboard.Makesurethekeyboard isproperlyconnectedtothecomputerandthatnokeys areheldpressedduringPOST.Topurposelyconfigure thecomputerwithoutakeyboard,selectKeyboardless operationinStartupandsettheoptiontoEnabled.The BIOSthenignoresthemissingkeyboardduringPOST.
TheBIOSwasunabletofindasuitablebootdevice.Make surethebootdriveisproperlyconnectedtothecomputer. Makesureyouhavebootablemediainthebootdevice.

Undeterminedproblems

1.Power-offthecomputer.
2.Removeordisconnectthefollowingcomponents(ifconnectedorinstalled)oneatatime.
a.Externaldevices(modem,printer,ormouse)
b.Extendedvideomemory
c.ExternalCache
d.ExternalCacheRAM
e.Harddiskdrive
f.Diskdrive
3.Power-onthecomputertore-testthesystem.
4.Repeatsteps1through3untilyoufindthefailingdeviceorcomponent.
Ifalldevicesandcomponentshavebeenremovedandtheproblemcontinues,replacethesystemboard.
20LenovoC20–00Non- T ouchAll-In-OnePCHardwareMaintenanceManual
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Chapter7.Replacinghardware

Attention:Donotremovethecomputercoverorattemptanyrepairbeforereadingthe“Importantsafetyinformation”
intheSafetyandWarrantyGuidethatwasincludedwithyourcomputer.ToobtaincopiesoftheSafetyandWarranty Guide,gototheSupportWebsiteat:http://support.lenovo.com.
Note:UseonlypartsprovidedbyLenovo.

Generalinformation

Pre-disassemblyinstructions
Beforestartingthedisassemblyprocedure,makesurethatyoudothefollowing:
1.Turnoffthepowertothesystemandallperipherals.
2.Unplugallpowerandsignalcablesfromthecomputer.
3.Placethesystemonaflat,stablesurface.
©CopyrightLenovo2015,2015
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Replacingthekeyboardandmouse

Toreplacethekeyboardandmouse:
Step1.Removeanymedia(disks,CDs,DVDsormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview” and“Rearview”forhelpwithlocatingthevariousconnectors.
Note:YourkeyboardwillbeconnectedtoaUSBconnectorononesideorattherearofthe computer.
Step4.Disconnectthedefectivekeyboardcablefromthecomputerandconnectthenewkeyboardcable
tothesameconnector.
Note:Themousecanbereplacedusingthesamemethod.

Replacingthepoweradapter

Toreplacethepoweradapter:
Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Locatetheconnectorforthepowercord.Referto“Rearview” .
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Step3.Disconnectthefailingpoweradapterfromthecomputer.
Step4.Toinstallthenewpoweradapter:
a.Connectthenewpoweradaptertothesameconnector.
Chapter7.Replacinghardware23
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Removingtherearcover

Note:T urnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingtherearcover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftflatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthetouchscreenfromscratches orotherdamage.
Toremovetherearcover:
Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview” and“Rearview”forhelpwithlocatingthevariousconnectors.
Step4.Liftuptherubbersthatprotectthe2screws,removethe2screwsthatsecuretherearcoverto
thefrontbezel.
Step5.Useaplasticspudgeroraflatheadscrewdrivertopriesupthestandcoverasshown.
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Step6.Removethescrewthatsecurestherearcovertothefrontbezel.
Step7.Usetheflatendoftheplasticspudgertopriesthecomputerfeettosplitthem.1
Chapter7.Replacinghardware25
Page 32
Step8.Useamylarsheetinsertintotheslotin-betweentherearcoverandfrontbezel,bestpractice
insertangelis45°angelasshown.
Step9.Sweepalongtheside,bestpracticesweepangeliskeepthemylarsheetsidelineandtheslot
lineina30°angelasshown.
Step10.Usethemylarsheetorplasticcardtosweepalongtheslotonthesidetoseparatetherearcover
fromthefrontbezelasshown.
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Chapter7.Replacinghardware27
Page 34
Step11.Liftuptherearcoverasshown.
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Step12.DisconnecttheLVDScabletoseparatetherearcoverfromthefrontbezel.
Step13.Toreattachtherearcover:
a.LineuptherearcoverwiththefrontbezelandreconnecttheLVDScable.
b.Lineuptheholesontherearcoverwithmountingholesonthefrontbezel,andplacetherear
coverintoposition.
c.Securetherearcovertothefrontbezelwiththethreescrews.
d.Reattachthestandcoverandtherubbercover.

Replacingtheharddiskdrive

Attention:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingtherearcover.
Toreplacetheharddiskdrive:
Step1.Removeanymedia(disks,CDs,DVDsormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview” and“Rearview”forhelpwithlocatingthevariousconnectors.
Step4.Removetherearcover.Referto"Removingtherearcover".
Chapter7.Replacinghardware29
Page 36
Step5.Removethe6screwsthatsecuretheharddiskdrivetotherearcover.
Step6.Disconnectthedataandpowercablefromtheharddiskdrive.
Step7.Liftuptheharddiskdrivetoremoveit.
Step8.Removethe4screwsthatsecuretheharddiskdrivetothebracket.
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Step9.Toinstallthenewharddiskdrive:
a.Attachthebracketpiecestothenewharddiskdrive,andsecurethemwiththe4screws.
b.Slidethenewharddiskdriveintotheharddiskdrivebay.
c.Securethenewharddiskdrivetotherearcoverwiththe6screws.
d.Connectthedataandpowercablestothenewharddiskdrive.
Step10.Reattachtherearcover,standandstandcover.

Replacingamemorymodule

Attention:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingtherearcover.
Toreplaceamemorymodule:
Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview” and“Rearview”forhelpwithlocatingthevariousconnectors.
Step4.Removetherearcover.Referto“Removingtherearcover” .
Step5.Pushoutthelatchesonbothsidesofthememorysockettoreleasethememorymodule.Gently
pullthememorymoduleupwardtoremoveitfromitssocket.
Step6.Toinstallthenewmemorymodule:
a.Alignthenewmemorymodulewiththememorysocket,theninsertitandpushdownon
thetopedge.
b.Makesurethelatcheslockthememorymoduleinplace.
Chapter7.Replacinghardware31
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Step7.Reattachtherearcover.

Replacingtheopticaldrive

Attention:T urnoffthecomputerandwait3to5minutestoletitcooldownbeforereplacingtheopticaldrive.
Toreplacetheopticaldrive:
Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview” and“Rearview”forhelpwithlocatingthevariousconnectors.
Step4.Removetherearcover,referto“Removingtherearcover”.
Step5.Removethescrewthatsecurestheopticaldiskdrivetotherearcover,andthenslideoutthe
opticaldriveasshown.
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Step6.Useasmallflatheadscrewdrivertopressandpushoutthepinsthatsecurethecovertothe
45
disk.
Step7.Separatethecoverfromthedefectiveopticaldrive.
Step8.Installthenewopticaldriveasfollows:
a.Alignthenewopticaldrivewiththecover,andthenpushthecoverbackintoposition.
b.Slidethenewopticaldriveintothedrivebay,thenpushitintoposition.
c.Securetherearcovertothefrontbezelwiththe2screws.
d.Reattachthestandandthecover.

Replacingthesystemfan

Note:T urnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingtherearcover.
Toreplacethesystemfan:
Step1.Removeanymedia(disks,CDs,DVDsormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview” and“Rearview”forhelpwithlocatingthevariousconnectors.
Step4.Removetherearcover.Referto"Removingtherearcover".
Chapter7.Replacinghardware33
Page 40
Step5.Disconnectthepowercablefromtheconnectoronthemotherboard.
Step6.Removethe2screwsthatsecurethesystemfantotherearcover.
Step7.Liftupthesystemfantoremoveit.
Step8.Toinstallthenewsystemfan:
a.Lineupthenewsystemfanwiththemountingholesontherearcoverandplaceitintoposition.
b.Securethenewsystemfantotherearcoverwiththe2screws.
c.Connectthenewpowercabletotheconnectoronthemotherboard.
Step9.Reattachtherearcover.

ReplacingtheWi-Ficard

Note:T urnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingtherearcover.
ToreplacetheWi-Ficard:
Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview” and“Rearview”forhelpwithlocatingthevariousconnectors.
Step4.Removetherearcover.Referto"Removingtherearcover".
34LenovoC20–00Non- T ouchAll-In-OnePCHardwareMaintenanceManual
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Step5.DisconnecttheantennaanddatacablesfromtheWi-Ficard.
Step6.RemovethescrewthatsecurestheWi-Ficardtothemotherboard.
Step7.PulltheWi-Ficardupwardtoremoveitfromthesocket.
Step8.ToinstallthenewWi-Ficard:
a.InsertthenewWi-Ficardintothecardportandsecureitwiththescrew.
b.ConnecttheantennacablestothenewWi-Ficard.
Step9.Reattachtherearcover.

Replacingthespeakersystem

Note:T urnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingtherearcover.
Toreplacethespeakersystem:
Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview” and“Rearview”forhelpwithlocatingthevariousconnectors.
Step4.Removetherearcover.Referto"Removingtherearcover".
Chapter7.Replacinghardware35
Page 42
Step5.Disconnectthespeakercablefromtheconnectoronmotherboard.
Step6.Removethescrewthatsecuresthespeakertotherearcover.
Step7.Detachthespeakersystemfromtherubberscrews.
Step8.Toinstallthenewspeakersystem:
a.Securethenewspeakersystemtothechassiswiththescrews.
b.Connectthenewspeakercabletotheconnectoronthemotherboard.
Step9.Reattachtherearcover.

Replacingthepowerswitchboard

Note:T urnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingtherearcover.
Toreplacethepowerswitchboard:
Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview” and“Rearview”forhelpwithlocatingthevariousconnectors.
Step4.Removetherearcover.Referto"Removingtherearcover".
36LenovoC20–00Non- T ouchAll-In-OnePCHardwareMaintenanceManual
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Step5.Removethescrewthatsecuresthepowerswitchboardtotherearcover,andthenslideout
thepowerswitchboardtoremoveit.
Step6.Disconnectthepowerswitchboardcablefromtheconnectoronthemotherboard.
Step7.Toinstallthepowerswitchboard:
a.Lineuptheholesonthenewpowerswitchboardwiththemountingholesontherearcover
andsecurethenewpowerswitchboardwiththetwoscrews.
b.Connectthedatacabletotheconnectoronthenewmotherboard.
Step8.Reattachtherearcover.

ReplacingtheI/OShielding

Note:T urnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingtherearcover.
ToreplacetheI/Oshielding:
Step1.Removeanymedia(disks,CDs,DVDsormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview” and“Rearview”forhelpwithlocatingthevariousconnectors.
Step4.Removetherearcover.Referto"Removingtherearcover".
Chapter7.Replacinghardware37
Page 44
Step5.RemovethethreescrewsthatsecuretheI/Oshieldingmoduletothemotherboard.
Step6.LiftuptheI/Oshieldingtoremoveit.
Step7.ToinstallthenewI/Oshielding:
a.LineupthenewI/Oshieldingmodulewiththemountingholesonthemotherboard.
b.SecurethenewI/Oshieldingtothemotherboardwiththescrews.
Step8.Reattachtherearcover.

Replacingthemotherboardortheheat-sinkmodule

Note:T urnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingtherearcover.
Toreplacethemotherboard:
Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview” and“Rearview”forhelpwithlocatingthevariousconnectors.
Step4.Removetherearcover.Referto“Removingtherearcover” .
Step5.Removeallmemorymodules.Referto“Replacingamemorymodule” .
Step6.Removetheheat-sink.Referto“Replacingtheheat-sink” .
Step7.RemovetheWi-Ficard.Referto“ReplacingtheWi-Ficard”.
Step8.RemovetheI/Oshielding.Referto“RemovingI/Oshielding”.
38LenovoC20–00Non- T ouchAll-In-OnePCHardwareMaintenanceManual
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Step9.Removeallthecablesconnectedtothemotherboard.
Step10.Removethefivescrewsthatsecurethemotherboardtotherearcoverandpushthepintorelease
theheat-sinkasshown.
Step11.Slideoutthemotherboardasshown.
Step12.Removethescrewsthatsecuretheheat-sinkmoduletothemotherboard,andthenliftupthe
heat-sinktoremoveit.
Chapter7.Replacinghardware39
Page 46
Step13.Toinstallthenewmotherboardorthenewheat-sink:
a.Attachtheheat-sink,Wi-Ficard,memorymodulestothemotherboard.
b.Lineuptheholesonthenewmotherboardwiththemountingholesontherearcoverand
securethenewmotherboardwiththe8screws.
c.InsertthenotchedendoftheWi-Ficardintothecardportonthenewmotherboardand
secureitwiththescrew.
d.Connecttheantennacable(s)totheWi-Ficard.
e.Connectallthecablestothenewmotherboard.
f.ReattachtheI/Oshieldingtothemotherboard.
Step14.Reattachtherearcover.

Replacingthecamera

Note:T urnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingtherearcover.
Toreplacethecamera:
Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview” and“Rearview”forhelpwithlocatingthevariousconnectors.
Step4.Removetherearcover.Referto“Removingtherearcover” .
40LenovoC20–00Non- T ouchAll-In-OnePCHardwareMaintenanceManual
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Step5.Pullthelockingpinsoutwardtoreleasethecameramodule.
Step6.Disconnectthedatacablefromtheconnectoronthecameramodule.
Step7.Toinstallthenewcamera:
a.Connectthedatacabletothenewcamera.
b.Slidethenewcameraintopositionandsecurethecamerawiththetwolockingpins.
Step8.Reattachtherearcover.

Replacingtheconverterboard

Note:T urnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingtherearcover.
Toreplacetheconverterboard:
Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview” and“Rearview”forhelpwithlocatingthevariousconnectors.
Step4.Removetherearcover.Referto“Removingtherearcover” .
Chapter7.Replacinghardware41
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Step5.Disconnectthe2cablesfromtheconverterboard.
Step6.Removethescrewthatsecurestheconverterboardtothebracket.
Step7.Liftuptheconverterboardtoremoveit.
Step8.Toinstallthenewconverterboard:
a.Lineuptheholesinthenewconverterboardwiththemountingholesonthebracketand
securethenewconverterboardwiththescrew.
b.Connectthe2cablestothenewconverterboard.
Step9.Reattachtherearcover.

ReplacingtheLEDpanel

Note:T urnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingtherearcover.
ToreplacetheLEDpanel:
Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview” and“Rearview”forhelpwithlocatingthevariousconnectors.
Step4.Removetherearcover.Referto“Removingtherearcover” .
Step5.Removetheconverterboard.Referto“Replacingtheconverterboard” .
Step6.Removethecamera.Referto“Replacingthecamera” .
Step7.Removingtheconverterbracketasshown.
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Chapter7.Replacinghardware43
Page 50
Step8.DisconnecttheLVDS-cameraandconvertercablesfromtheconnectorsontheLEDpanel.
Step9.RemovethefourscrewsthatsecurestheLEDpaneltothefrontbezel,theLEDpanelispinnedto
thefrontbezel,pushallthepinsoutwardtoreleasethepanelfromthefrontbezel.
Step10.LiftuptheLEDpaneltoseparatefromthefrontbezel,andthenremovethetwopanelbracketby
removingthetwoscrews.
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Step11.ToinstallthenewLEDpanelmodule:
a.AttachthepanelbrackettotheLEDpanelwiththetwoscrews.
b.Lineupthepanelassemblywiththefrontbezel,thenplacethepanelintoposition.
c.Securethenewpaneltothefrontbezelwiththefourscrewsandpins.
d.AttachtheLVDS-cameraandconvertercablestotheconnectorsonthenewLEDpanel.
e.Attachtheconverterbrackettothefrontbezel.
f.Attachtheconverterboardtothebracket.
g.AttachthecameratothenewLEDpanel.
Step12.Reattachtherearcover.
Chapter7.Replacinghardware45
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46LenovoC20–00Non- T ouchAll-In-OnePCHardwareMaintenanceManual
Page 53

Chapter8.FRUlists-C20–00

Thischapterliststheinformationonthefieldreplaceableunits(FRUs)forLenovoC20–00All-In-Onedesktop computers.
Attention:BesuretoreadandunderstandallthesafetyinformationbeforereplacinganyFRUs.
FruP/N
54Y8964
54Y8966
00PC947WLAN,C20-00
00XG051FRUMB,N3050,UMA,HDMI,NODPK
00XG052
00XG053FRU,MB,N3700,UMA,HDMI,NODPK
00XG054FRU,MB,N3150,1G,HDMI,WINDPK
00XG059FRU,MB,N3700,1G,HDMI,NODPK
00XG048
00XG049FRU,MB,N3150,UMA,HDMI,NODPK
00XG050
00XG055FRU,MB,N3150,1G,HDMI,NODPK
00XG056FRU,MB,N3050,1G,HDMI,WINDPK
00XG057FRU,MB,N3050,1G,HDMI,NODPK
00XG058FRU,MB,N3700,1G,HDMI,WINDPK
31049498
31045147
31049503
31049520
31049497
31033857
31049502
31039106
31033858
31039105
31039101
31049507
31049508
DescriptionBasicName
AC_ADAPTER,65W,100-240V,3PAC_ADAPTER
AC_ADAPTER,90W,100-240V,3PAC_ADAPTER
FRU,MB,N3700,UMA,HDMI,WIN DPK
FRU,MB,N3150,UMA,HDMI,WIN DPK
FRUMB,N3050,UMA,HDMI,WINDPKBDPLANAR
Volex1.0MC5KORpowercordCABLE
LX(ASAP)1.0MC5CCCpowercordCABLE
Volex1.0MC5DENpowercordCABLE
LX(ASAP)1.0MC5ANZpowercordCABLE
Volex1.0MC5EUpowercordCABLE
LWBLK1.0m3wireULCSApower cord(R)
Volex1.0MC5ISIpowercordCABLE
LWBlack1.0mKoreaC5power cord(R)
VLBLK1.0m3wireULCSApower cord(R)
LWBlack1.0mSAC5powercord(R)CABLE
LWBlack1.0mDenmarkC5power cord(R)
Volex1.0MC5LApowercordCABLE
Volex1.0MC5SWIpowercordCABLE
ANTENNA
BDPLANAR
BDPLANAR
BDPLANAR
BDPLANAR
BDPLANAR
BDPLANAR
BDPLANAR
BDPLANAR
BDPLANAR
BDPLANAR
BDPLANAR
CABLE
CABLE
CABLE
CABLE
©CopyrightLenovo2015,2015
47
Page 54
31039104
31035396
31039103
31035828
31032953
31035395
31049499
31035397
31039107
31049496
31035332
31049501
31039100
31049500
31049517
31049505
31049518
31038885
31049504
00XD307
00XD302
00XD308
00XD303
00XD305
00XD309
20200643
20200644
00PC578LTC20XX720P5840Hi1621DM
01AJ775
01AJ774
01AJ772
00PC201DT_KYB,DOK5321(US)B-Silk
00PC202DT_KYB,DOK5321(US)W-Silk
00XG027SystemfanDISC0-00
LWBlack1.0mItalyC5powercord(R)CABLE
LWBlack1.0mUKpowercord(R)CABLE
LWBlack1.0mSwitzerlandC5power cord(R)
LWBlack1.0mBrazilpowercord(R)CABLE
GSBLK1.0m3wireCCCpower cord(R)
LWBlack1.0mIndiapowercord(R)CABLE
Volex1.0MC5TWpowercordCABLE
LWBlack1.0mANZpowercord(R)CABLE
LWBlack1.0mIsraelC5powercord(R)CABLE
Volex1.0MC5UKpowercordCABLE
LWBlack1.0mVDEpowercord(R)CABLE
Volex1.0MC5SApowercordCABLE
LWBlack1.0mArgentinaC5power cord(R)
Volex1.0MC5ANZpowercordCABLE
LX(ASAP)1.0MC5ULpowercordCABLE
Volex1.0MC5BRpowercordCABLE
LX(ASAP)1.0MC5EUpowercordCABLE
LWBlack1.0mT aiwanC5power cord(R)
Volex1.0MC5ITYpowercordCABLE
4IN1_CABLE_M/B-LVDS_FHD_TOUCHCABLE
ODD_CABLECABLE
POWER_BOARD_FFCCABLE
3IN1_CABLE_M/B-LVDS_NTCABLE
3IN1_CABLE_M/B-LVDS_FHD_NTCABLE
HDD_SATA_CABLECABLE
AVC720P5821Hi162WB1DMS Cam
Bison720P5840Hi162WB1DMS Cam
CAM
SSDconnectboardMPC20-00CARDPOP
converterboardMPC20-00CARDPOP
converterboardMPC2000CARDPOP
USB,US
USB,US
CABLE
CABLE
CABLE
CABLE
CAMERA
CAMERA
CAMERA
DT_KYB
DT_KYB
FAN
48LenovoC20–00Non- T ouchAll-In-OnePCHardwareMaintenanceManual
Page 55
00XG028SysternFanUMAC20-00
16200613WDXL1000BWD10EZEX-08M2NA0
1TBHDD
16200688
STGrenadaBP2ST1000DM0031TB HDD
16200512
16200513
TSBMars4K500GDT01ACA050-LHHDD_ASM
TSBMars4K1TBDT01ACA100-LHHDD_ASM
00PC551HDD,1TB,7200,DT3,SA T A3,STDHDD_ASM
00PC550HDD,500G,7200,DT3,SA T A3,STDHDD_ASM
45K0629
45K0623
HDD,500G,7200,DT3,SA T A3,STDHDD_ASM
HDD,1TB,7200,DT3,SA T A3,STDHDD_ASM
00XG025thermalAMDDISC20-00HEATSINK
00XG026thermalAMDUMAC20-00HEATSINK
25209130
SunrexEKB-10YA(FR)B-SilkUSB KB-LVT8
25209154
SunrexEKB-10YA(LA)W-SilkUSB KB-LVT8
25209151
SunrexEKB-10YA(RU)W-SilkUSB KB-LVT8
25209139
SunrexEKB-10Y A(US-EU)B-SUSB KB-LVT8
25209166
SunrexEKB-10YA(BG)W-SilkUSB KB-LVT8
25209150
SunrexEKB-10YA(IN)W-SilkUSB KB-LVT8
25209137
SunrexEKB-10YA(PT)B-SilkUSB KB-LVT8
25209169
SunrexEKB-10Y A(EN-FR)W-SUSB KB-LVT8
25209161
SunrexEKB-10YA(IT)W-SilkUSB KB-LVT8
25209159
SunrexEKB-10YA(SP)W-SilkUSB KB-LVT8
25209116
SunrexEKB-10Y A(CZ-SL)B-SUSB KB-LVT8
25209138
SunrexEKB-10Y A(BE-EN)B-SUSB KB-LVT8
25209172
SunrexEKB-10Y A(US-EU)W-SUSB KB-LVT8
25209168
SunrexEKB-10YA(JP)W-SilkUSB KB-LVT8
25209152
SunrexEKB-10YA(UK)W-SilkUSB KB-LVT8
25209160
SunrexEKB-10YA(SL)W-SilkUSB KB-LVT8
FAN
HDD_ASM
HDD_ASM
KYB_MOUSE
KYB_MOUSE
KYB_MOUSE
KYB_MOUSE
KYB_MOUSE
KYB_MOUSE
KYB_MOUSE
KYB_MOUSE
KYB_MOUSE
KYB_MOUSE
KYB_MOUSE
KYB_MOUSE
KYB_MOUSE
KYB_MOUSE
KYB_MOUSE
KYB_MOUSE
Chapter8.FRUlists-C20–0049
Page 56
25209131
25209165
25209112
25209122
25209125
25209153
25209111
25209115
25209157
25209163
25209128
25209149
25209119
25209117
25209118
25209164
25209129
25209134
25209136
25209126
25209114
25209124
25209167
25209123
SunrexEKB-10YA(GK)B-SilkUSB KB-LVT8
SunrexEKB-10YA(HG)W-SilkUSB KB-LVT8
PrimaxKB4721(US)B-SilkUSB KB-LVT8
SunrexEKB-10YA(AR)B-SilkUSB KB-LVT8
SunrexEKB-10YA(TR)B-SilkUSB KB-LVT8
SunrexEKB-10Y A(Nordic)W-SUSB KB-LVT8
SunrexEKB-10YA(US)B-SilkUSB KB-LVT8
SunrexEKB-10YA(TH)B-SilkUSB KB-LVT8
SunrexEKB-10YA(GE)W-SilkUSB KB-LVT8
SunrexEKB-10YA(FR)W-SilkUSB KB-LVT8
SunrexEKB-10YA(IT)B-SilkUSB KB-LVT8
SunrexEKB-10Y A(CZ-SL)W-SUSB KB-LVT8
SunrexEKB-10YA(UK)B-SilkUSB KB-LVT8
SunrexEKB-10YA(IN)B-SilkUSB KB-LVT8
SunrexEKB-10YA(RU)B-SilkUSB KB-LVT8
SunrexEKB-10YA(GK)W-SilkUSB KB-LVT8
SunrexEKB-10YA(HB)B-SilkUSB KB-LVT8
SunrexEKB-10YA(KR)B-SilkUSB KB-LVT8
SunrexEKB-10Y A(EN-FR)B-SUSB KB-LVT8
SunrexEKB-10YA(SP)B-SilkUSB KB-LVT8
SunrexEKB-10YA(TW)B-SilkUSB KB-LVT8
SunrexEKB-10YA(GE)B-SilkUSB KB-LVT8
SunrexEKB-10YA(KR)W-SilkUSB KB-LVT8
SunrexEKB-10YA(SW)B-SilkUSB KB-LVT8
KYB_MOUSE
KYB_MOUSE
KYB_MOUSE
KYB_MOUSE
KYB_MOUSE
KYB_MOUSE
KYB_MOUSE
KYB_MOUSE
KYB_MOUSE
KYB_MOUSE
KYB_MOUSE
KYB_MOUSE
KYB_MOUSE
KYB_MOUSE
KYB_MOUSE
KYB_MOUSE
KYB_MOUSE
KYB_MOUSE
KYB_MOUSE
KYB_MOUSE
KYB_MOUSE
KYB_MOUSE
KYB_MOUSE
KYB_MOUSE
50LenovoC20–00Non- T ouchAll-In-OnePCHardwareMaintenanceManual
Page 57
25209155
SunrexEKB-10YA(AR)W-SilkUSB
KYB_MOUSE
KB-LVT8
25209162
SunrexEKB-10YA(HB)W-SilkUSB
KYB_MOUSE
KB-LVT8
25201322
SunrexLXH-EMS-10ZAW-Silk
KYB_MOUSE
Mouse
25209135
SunrexEKB-10YA(JP)B-SilkUSB
KYB_MOUSE
KB-LVT8
25209148
SunrexEKB-10YA(TH)W-SilkUSB
KYB_MOUSE
KB-LVT8
25209121
SunrexEKB-10YA(LA)B-SilkUSB
KYB_MOUSE
KB-LVT8
25209132
SunrexEKB-10YA(HG)B-SilkUSB
KYB_MOUSE
KB-LVT8
25209158
SunrexEKB-10YA(TR)W-SilkUSB
KYB_MOUSE
KB-LVT8
25201068
25209145
LiteonLXH-SM-8825W-SilkMouseKYB_MOUSE
SunrexEKB-10YA(US)W-SilkUSB
KYB_MOUSE
KB-LVT8
25209171
SunrexEKB-10Y A(BE-EN)W-SUSB
KYB_MOUSE
KB-LVT8
25209147
SunrexEKB-10YA(TW)W-SilkUSB
KYB_MOUSE
KB-LVT8
25209127
SunrexEKB-10YA(SL)B-SilkUSB
KYB_MOUSE
KB-LVT8
25209156
SunrexEKB-10YA(SW)W-SilkUSB
KYB_MOUSE
KB-LVT8
25209146
PrimaxKB4721(US)W-SilkUSB
KYB_MOUSE
KB-LVT8
25209120
SunrexEKB-10Y A(Nordic)B-SUSB
KYB_MOUSE
KB-LVT8
25209133
SunrexEKB-10YA(BG)B-SilkUSB
KYB_MOUSE
KB-LVT8
25209170
SunrexEKB-10YA(PT)W-SilkUSB
KYB_MOUSE
KB-LVT8
31503360
LX(ASAP)1.0MC5Danmarkpower
LINECORD
cord
31503358
31503355
LX(ASAP)1.0MC5KoreapowercordLINECORD
LX(ASAP)1.0MC5SouthAfrica
LINECORD
powercord
31503356
LX(ASAP)1.0MC5Argentinapower
LINECORD
cord
31503357
31503354
LX(ASAP)1.0MC5BrazilpowercordLINECORD
LX(ASAP)1.0MC5T aiwanpower
LINECORD
cord
31503352
31503425
LX(ASAP)1.0MC5UKpowercordLINECORD
LS1.0MC52pinJapanpowercordLINECORD
Chapter8.FRUlists-C20–0051
Page 58
31503353
31503424
31503361
31503359
31503362
31503423
5L60J33143
00XD278
00XD274
00XD284
00XD285
00XD312
00XD283
00XD260
00XD289
00XD275
00XD287
00XD469
00XD315
00XD286
00XD264
00XD314
00XD282
00XD280
00XD467
00XD277
00XD273
00XD261
00XD262
00XD259
00XD279
00XD281
00XD468
00XD313
00XD263
00XD989
00XD990
00XD963
LX(ASAP)1.0MC5IndiapowercordLINECORD
Volex1.0MC52pinJapanpowercordLINECORD
LX(ASAP)1.0MC5Switzerlandpower cord
LX(ASAP)1.0MC5ItalypowercordLINECORD
LX(ASAP)1.0MC5IsraelpowercordLINECORD
Longwell1.0MC52pinJapanpower cord
lux0014+H03VV-F0.75/3C+0011LINECORD
ASSY_DDR_SHIELDING_SUBMECH_ASM
ASSY_500G_HDD_EMI_SHIELDMECH_ASM
ASSY_REAR_COVER_WHT_DISMECH_ASM
ASSY_REAR_COVER_BLK_UMAMECH_ASM
ASSY_REAR_COVER_BLK_DIS_SSDMECH_ASM
ASSY_REAR_COVER_BLK_DISMECH_ASM
F-BEZELASSYNTHDWHTMECH_ASM
ASSY_MB_SHIELDING_UMAMECH_ASM
ASSY_M.2_SSD_BRK_SUB_C2000MECH_ASM
ASSY_MB_SHIELDING_DISMECH_ASM
NT-FHDPANELINXC2000MECH_ASM
ASSY_REAR_COVER_WHT_SSDMECH_ASM
ASSY_REAR_COVER_WHTMECH_ASM
F-BEZELASSYTOUCHFHDWHTMECH_ASM
ASSY_REAR_COVER_BLK_UMA_SSDMECH_ASM
ASSY_ODD_BEZEL_WHT_C2000MECH_ASM
ASSY_ODD_BEZEL_DUMMY_WHTMECH_ASM
NT-HDPANELAUOC2000MECH_ASM
ASSY_CONVERTER_BRK_SUBMECH_ASM
ASSY_HDD_BRK_SUB_C2000MECH_ASM
F-BEZELASSYNTFHDBLKMECH_ASM
F-BEZELASSYNTFHDWHTMECH_ASM
F-BEZELASSYNTHDBLKMECH_ASM
ASSY_ODD_BEZEL_DUMMY_BLKMECH_ASM
ASSY_ODD_BEZEL_BLK_C2000MECH_ASM
NT-HDPANELLGC2000MECH_ASM
ASSY_REAR_COVER_WHT_DIS_SSDMECH_ASM
F-BEZELASSYTOUCHFHDBLKMECH_ASM
ASSY_NT_FRONT_BEZEL_WHT LOW
ASSY_NT_FRONT_BEZEL_BLKLOWMECH_ASM
ASSY_DDR_SHIELDING_SUB_NTMECH_ASM
LINECORD
LINECORD
MECH_ASM
52LenovoC20–00Non- T ouchAll-In-OnePCHardwareMaintenanceManual
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00XD299PANEL_FHD_BRK
00XD301
ODD_BRACKETMECHANICAL
00XD300PANEL_FHD_BRK_R
00XD297PANEL_BRK
00XD298PANEL_BRK_R
00XD296
1100635
AIA10_CAMERA_HOLDERMECHANICAL
MT16KTF1G64HZ-1G6E18G D3L-1600SMEMORY
03T7117
1101012
SODIMM,4G,DDR3L,1600MEMORY
Mic_RD9QBJ?8GBD3L-1600 Sodimm
1100983
M471B5674QH0-YK02GBDDR3L 1600Sodimm
1100956
MT4KTF25664HZ-1G6E12GB1600 Sodimm
1100957
MT8KTF51264HZ-1G6E14GB1600 Sodimm
03T7116
1100942
SODIMM,2G,DDR3L,1600MEMORY
M471B5173DB0-YK04GB1600 Sodimm
1100943
M471B1G73DB0-YK08GB1600 Sodimm
00PC593DokingM680BW-SilkUSBMCWHTMOUSE
00PC592DokingM680BB-SilkUSBMCBLKMOUSE
25200528
25200530
LiteonLXH-SM-8825B-SilkMouseMOUSE
SunrexLXH-EMS-10ZAB-SilkMouseMOUSE
00FC442SMD,DT,SA T A,9.5mm,x8,w/obezelOPT_DRIVE
00JT081
00XD271
00XD272
00JT477
00JT497
00JT507
00JT524
00JT525
32G,M.2,2242,SATA6G,L TON,STDSSD_ASM
ASSY_PF_ST AND_BLKSTAND
ASSY_PF_ST AND_WHTSTAND
Wireless,CMB,LTN,NFA435WIRELESS
Wireless,CMB,IN,3165acWIRELESS
Wireless,CMB,IN,3165acIndWIRELESS
Wireless,CMB,LTN,NFA435IndoWIRELESS
Wireless,CMB,LTN,NFA435AGNWIRELESS
MECHANICAL
MECHANICAL
MECHANICAL
MECHANICAL
MEMORY
MEMORY
MEMORY
MEMORY
MEMORY
MEMORY
MEMORY
Chapter8.FRUlists-C20–0053
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54LenovoC20–00Non- T ouchAll-In-OnePCHardwareMaintenanceManual
Page 61

Chapter9.AdditionalServiceInformation

Thischapterprovidesadditionalinformationthattheservicerepresentativemightfindhelpful.
Powermanagement
Powermanagementreducesthepowerconsumptionofcertaincomponentsofthecomputersuchasthe systempowersupply,processor,harddiskdrives,andsomemonitors.
Advancedconfigurationandpowerinterface(ACPI)BIOS
AsthiscomputerhasanACPIBIOSsystem,theoperatingsystemisallowedtocontrolthepower managementfeaturesofthecomputerandthesettingsforAdvancedPowerManagement(APM)BIOSmode isignored.NotalloperatingsystemssupportACPIBIOSmode.
AutomaticPower-Onfeatures
TheAutomaticPower-OnfeatureswithinthePowerManagementmenuallowyoutoenableanddisable featuresthatturnonthecomputerautomatically.
•WakeUponAlarm:Youcanspecifyadateandtimeatwhichthecomputerwillbeturnedonautomatically. Thiscanbeeitherasingleevent,adailyeventoraweeklyevent.
•WakeUponLAN:ThisfeatureallowsLANadaptercardtowaketheSystem.
©CopyrightLenovo2015,2015
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