Lenovo C355 User Manual

LenovoC355/C455All-In-OneComputer

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HardwareMaintenanceManual

MachineTypes:10138/F0A2[C355],10139/F0A3[C455]

LenovoC355/C455All-In-OneComputer
HardwareMaintenanceManual

MachineTypes:10138/F0A2[C355],10139/F0A3[C455]

SecondEdition(July2013)31st

©CopyrightLenovo2013.

LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwarearedeliveredpursuantaGeneralServices
Administration“GSA ”contract,use,reproduction,ordisclosureissubjecttorestrictionssetforthinContractNo.
GS-35F-05925

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

Specications................9

Chapter4.GeneralCheckout.....11

Chapter5.UsingtheSetupUtility...13

StartingtheLenovoBIOSSetupUtilityprogram.13

Viewingandchangingsettings........13

Usingpasswords..............13

Enablingordisablingadevice........15

Selectingastartupdevice..........16

ExitingtheLenovoBIOSSetupUtilityprogram..17

Chapter6.Symptom-to-FRUIndex..19

Harddiskdrivebooterror..........19

PowerSupplyProblems...........19

POSTerrorcodes.............20

Undeterminedproblems...........20

Chapter7.Locatingconnectors,

controlsandcomponents......21

Chapter8.Replacinghardware....27

Generalinformation.............27

Replacingthekeyboardandmouse......28

Replacingtheadapter............28

Removingthestandbase..........30

Removingthefootcover...........30

Replacingamemorymodule.........31

Replacingtheharddiskdrive.........33

Replacingtheopticaldrive..........34

Removingthestandholder..........36

Removingthemiddlecover.........37

Replacingtheconverterboard........38

Replacingthecamera............39

RemovingtheEMIcover...........40

ReplacingtherearI/Omodule........41

Replacingthespeakersystem........43

Replacingthesystemfan..........44

Replacingtheheat-sink...........45

ReplacingtheTVtunercard.........46

ReplacingtheWLANcard..........48

Replacingthefrontcontrolboard.......50

Replacingthepowerswitchboard.......51

Replacingthemotherboard..........52

ReplacingtheLEDpanel...........54

Chapter9.FRUlists-C355.......57

Chapter10.FRUlists-C455......67

Chapter11.Generalinformation...77

AdditionalServiceInformation........77

©CopyrightLenovo2013

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ivLenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

Chapter1.Aboutthismanual

ThismanualcontainsserviceandreferenceinformationforLenovoC355andC455All-In-Onecomputers
listedonthecover.ItisintendedonlyfortrainedservicerswhoarefamiliarwithLenovocomputerproducts.

BeforeservicingaLenovoproduct,besuretoreadtheSafetyInformation.

ThedescriptionoftheTV-tunercardinthismanualappliesonlytocomputerswithaTV-tunercardinstalled.
ItdoesnotapplytocomputerswithoutaTV-tunercard.

ImportantSafetyInformation

BesuretoreadallCAUTIONandDANGERsectionsinthismanualbeforefollowinganyoftheinstructions.

VeuillezliretouteslesconsignesdetypeDANGERetATTENTIONduprésentdocumentavantd’exécuter
lesinstructions.

LesenSieunbedingtalleHinweisevomT yp“ ACHTUNG”oder“VORSICHT”indieserDokumentation,bevor
SieirgendwelcheVorgängedurchführen

LeggereleistruzioniintrodottedaA TTENZIONEePERICOLOpresentinelmanualeprimadieseguireuna
qualsiasidelleistruzioni

Certique-sedelertodasasinstruçõesdecuidadoeperigonestemanualantesdeexecutarqualquer
umadasinstruções

Esimportantequeleatodaslasdeclaracionesdeprecauciónydepeligrodeestemanualantesdeseguir
lasinstrucciones.

©CopyrightLenovo2013

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2LenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

Chapter2.Safetyinformation

Thischaptercontainsthesafetyinformationthatyouneedtobefamiliarwithbeforeservicingacomputer.

Generalsafety

Followtheserulestoensuregeneralsafety:

•Keeptheareasaroundthecomputerclearandcleanduringandaftermaintenance.

•Whenliftinganyheavyobject:

1.Ensureyoucanstandsafelywithoutslipping.

2.Distributetheweightoftheobjectequallyacrossbothfeet.

3.Liftslowly.Nevermovesuddenlyortwistwhenyouattempttolift.

4.Liftbystandingorbypushingupwithyourlegmuscles;thisactionremovesthestrainfromthe
musclesinyourback.

Donotattempttoliftanyobjectsthatweighmorethan16kg(35lb)orobjectsthatyouthinkare
tooheavyforyou.

•Donotperformanyactionthatwouldcreateahazardforthecustomer,orwouldmakethecomputer
unsafe.

•Beforeyoustartthecomputer,ensurethatotherservicerepresentativesandcustomerpersonnelarenot
inapositionthatwouldcreateahazardforthem.

•Placeremovedcoversandotherpartsinasafeplace,awayfromallpersonnel,whileyouareservicingthe
computer.

•Keepyourtoolcaseawayfromareasthatpeoplemaywalkthroughtoensureno-onetripsoverit.

•Donotwearlooseclothingthatcanbetrappedinthemovingpartsofamachine.Ensurethatyoursleeves
arefastenedorrolledupaboveyourelbows.Ifyourhairislong,tieorfastenitback.

•Inserttheendsofyournecktieorscarfinsideclothingorfastenitwithanon-conductiveclip,
approximately8centimeters(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.T oavoid
personalinjuryorequipmentdamage,disconnectanyattachedpowercords,telecommunication
cables,networkcables,andmodemcablesbeforeyouopenthecomputercovers,unlessinstructed
otherwiseintheinstallationandcongurationprocedures.

©CopyrightLenovo2013

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Observethefollowingruleswhenworkingonelectricalequipment.

Important:Useonlyapprovedtoolsandtestequipment.Somehandtoolshavehandlescoveredwithasoft
materialthatdoesnotinsulateyouwhenworkingwithliveelectricalcurrents.Manycustomershaverubber
oormatsneartheirequipmentthatcontainsmallconductiveberstodecreaseelectrostaticdischarge.

•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

metaloorstripsandmachineframes.

Observethespecialsafetyprecautionswhenyouworkwithveryhighvoltages;theseinstructionsarein
thesafetysectionsofthemaintenanceinformation.Useextremecarewhenmeasuringhighvoltages.

•Regularlyinspectandmaintainyourelectricalhandtoolstoensuretheyaresafetouse.

•Donotusewornorbrokentoolsandtesters.

•Neverassumethatpowerhasbeendisconnectedfromacircuit.First,checkthatithasbeenpoweredoff.

•Alwayslookcarefullyforpossiblehazardsinyourworkarea.Examplesofthesehazardsarewetoors,
non-groundedpowerextensioncables,conditionsthatmaycauseorallowpowersurges,andmissing
safetygrounds.

•Donottouchliveelectricalcircuitswiththereectivesurfaceofaplasticdentalmirror.Thissurfaceis
conductive,andtouchingalivecircuitcancausepersonalinjuryanddamagetothecomputer.

•Donotservicethefollowingpartswiththepoweronwhentheyareremovedfromtheirnormaloperating
positionsinacomputer:

–Powersupplyunits

–Pumps

–Blowersandfans

–Motorgenerators

andsimilarunits.(Thispracticeensurescorrectgroundingoftheunits.)

•Ifanelectricalaccidentoccurs:

–Usecaution;donotbecomeavictimyourself.

4LenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

–Switchoffpower.

–Sendanotherpersontogetmedicalaid.

Safetyinspectionguide

Theintentofthisinspectionguideistoassistyouinidentifyingpotentialhazardsposedbytheseproducts.
Eachcomputer,asitwasdesignedandbuilt,hadrequiredsafetyitemsinstalledtoprotectusersand
servicepersonnelfrominjury.Thisguideaddressesonlythoseitems.However,goodjudgmentshouldbe
usedtoidentifypotentialsafetyhazardsduetoattachmentoffeaturesoroptionsnotcoveredbythis
inspectionguide.

Ifanyhazardsarepresent,youmustdeterminehowserioustheapparenthazardcouldbeandwhetheryou
cancontinuewithoutrstresolvingtheproblem.

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.Thepowercordshouldbetheappropriatetypeasspeciedinthepartslistings.

c.Insulationmustnotbefrayedorworn.

4.Removethecover.

5.Checkforanyobviousalterations.Usegoodjudgmentastothesafetyofanyalterations.

6.Checkinsidetheunitforanyobvioushazards,suchasmetallings,contamination,waterorother
liquids,orsignsofreorsmokedamage.

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-specicESDprocedureswhentheyexceedtherequirementsnotedhere.

2.MakesurethattheESDprotectivedevicesyouusehavebeencertied(ISO9000)asfullyeffective.

WhenhandlingESD-sensitiveparts:

Chapter2.Safetyinformation5

•Keepthepartsinprotectivepackagesuntiltheyareinsertedintotheproduct.

•Avoidcontactwithotherpeoplewhilehandlingthepart.

•Wearagroundedwriststrapagainstyourskintoeliminatestaticonyourbody.

•Preventthepartfromtouchingyourclothing.Mostclothingisinsulativeandretainsachargeevenwhen
youarewearingawriststrap.

•Usetheblacksideofagroundedworkmattoprovideastatic-freeworksurface.Thematisespecially
usefulwhenhandlingESD-sensitivedevices.

•Selectagroundingsystem,suchasthoselistedbelow,toprovideprotectionthatmeetsthespecic
servicerequirement.

Note:TheuseofagroundingsystemisdesirablebutnotrequiredtoprotectagainstESDdamage.

–AttachtheESDgroundcliptoanyframeground,groundbraid,orgreen-wireground.

–UseanESDcommongroundorreferencepointwhenworkingonadouble-insulatedor

battery-operatedsystem.Y oucanusecoaxorconnector-outsideshellsonthesesystems.

–Usetheroundground-prongoftheACplugonAC-operatedcomputers.

Groundingrequirements

Electricalgroundingofthecomputerisrequiredforoperatorsafetyandcorrectsystemfunction.Proper
groundingoftheelectricaloutletcanbeveriedbyacertiedelectrician.

Safetynotices

TheCAUTIONandDANGERsafetynoticesinthissectionareprovidedinthelanguageofEnglish.

DANGER

Electricalcurrentfrompower,telephoneandcommunicationcablesishazardous.

Toavoidashockhazard:

•Donotconnectordisconnectanycablesorperforminstallation,maintenance,orreconguration
ofthisproductduringanelectricalstorm.

•Connectallpowercordstoaproperlywiredandgroundedelectricaloutlet.

•Connectanyequipmentthatwillbeattachedtothisproducttoaproperlywiredoutlet.

•Whenpossible,useonehandonlytoconnectordisconnectsignalcables.

•Neverturnonanyequipmentwhenthereisevidenceofre,water,orstructuraldamage.

•Disconnecttheattachedpowercords,telecommunicationscables,networkcables,andmodem

cablesbeforeyouopenthedevicecovers,unlessinstructedotherwiseintheinstallationand
congurationprocedures.

•Connectanddisconnectcablesasdescribedinthefollowingtablewheninstalling,moving,or
openingcoversonthisproductorattacheddevices.

6LenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

ToConnect

1.TurneverythingOFF .

2.First,attachallcablestodevices.

3.Attachsignalcablestoconnectors.

4.Attachpowercordstooutlet.

5.TurndeviceON.

ToDisconnect

1.TurneverythingOFF .

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,beropticdevices,ortransmitters)are
installed,notethefollowing:

•Donotremovethecovers.Removingthecoversofthelaserproductcouldresultinexposureto
hazardouslaserradiation.Therearenoserviceablepartsinsidethedevice.

•Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthosespeciedherein
mightresultinhazardousradiationexposure.

DANGER

SomelaserproductscontainanembeddedClass3AorClass3Blaserdiode.Notethefollowing:

Thesediodesemitradiationwhenopen.Donotstareintothebeam,donotviewdirectlywith
opticalinstruments,andavoiddirectexposuretothebeam.

Chapter2.Safetyinformation7

≥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.

8LenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

Chapter3.Generalinformation

Thischapterprovidesgeneralinformationthatappliestoallcomputermodelscoveredbythismanual.

Specications

Thissectionliststhephysicalspecicationsforyourcomputer.

Thissectionliststhephysicalspecicationsforyourcomputer.

TypeLenovoC355/C455

Thissectionliststhephysicalspecications.

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

©CopyrightLenovo2013

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10LenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

Chapter4.GeneralCheckout

Attention:Thedrivesinthecomputeryouareservicingmighthavebeenrearrangedorthedrivestartup

sequencemayhavebeenchanged.Beextremelycarefulduringwriteoperationssuchascopying,saving,or
formatting.Dataorprogramscanbeoverwrittenifyouselectanincorrectdrive.

Generalerrormessagesappearifaproblemorconictisfoundbyanapplication,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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12LenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

Chapter5.UsingtheSetupUtility

TheSetupUtilityprogramisusedtoviewandchangethecongurationsettingsofyourcomputer,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

SystemcongurationoptionsarelistedintheLenovoBIOSSetupUtilityprogrammenu.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.

•Usesomethingsignicantlydifferentfromyourpreviouspassword.

Attention:AdministratorandPower-Onpasswordsarenotcasesensitive.

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AdministratorPassword

SettinganAdministratorPassworddetersunauthorizedpersonsfromchangingcongurationsettings.Y ou
mightwanttosetanAdministratorPasswordifyouareresponsibleformaintainingthesettingsofseveral
computers.

AfteryousetanAdministratorPassword,apasswordpromptisdisplayedeverytimeyouaccesstheLenovo
BIOSSetupUtilityprogram.

IfboththeAdministratorandPower-OnPasswordareset,youcantypeeitherpassword.However,youmust
useyourAdministratorPasswordtochangeanycongurationsettings.

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.T ypethepasswordthenpresstheEnterkey.

4.Re-typethepasswordtoconrm,thenpresstheEnterkey.Ifyoutypedthepasswordcorrectly,
thepasswordwillbeinstalled.

TochangeanAdministratorPassword,dothefollowing:

1.StarttheLenovoBIOSSetupUtilityprogram(see“StartingtheLenovoBIOSSetupUtilityprogram”on
page13).

2.FromtheSecuritymenu,selectSetAdministratorPasswordandpresstheEnterkey.

3.Thepassworddialogboxwillbedisplayed.T ypethecurrentpasswordthenpresstheEnterkey.

4.T ypethenewpassword,thenpresstheEnterkey.Re-typethepasswordtoconrmthenewpassword.
Ifyoutypedthenewpasswordcorrectly,thenewpasswordwillbeinstalled.ASetupNoticedconrming
thatchangeshavebeensavedwillbedisplayed.

TodeleteapreviouslysetAdministratorPassword,dothefollowing:

1.FromtheSecuritymenu,selectSetAdministratorPasswordandpresstheEnterkey.

2.Thepassworddialogboxwillbedisplayed.T ypethecurrentpasswordandpresstheEnterkey.

3.T odeleteanAdministratorPassword,leaveeachnewpasswordlineitemblank,thenpresstheEnter
key.ASetupNoticeconrmingthatchangeshavebeensavedwillbedisplayed.

4.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.

5.SelectSavechangesandExitfromthemenu.

Power-OnPassword

WhenaPower-OnPasswordisset,youcannotstarttheLenovoBIOSSetupUtilityprogramuntilavalid
passwordistypedfromthekeyboard.

Setting,changing,ordeletingaPower-OnPassword

Note:Apasswordcanbeanycombinationoflettersandnumbersupto16characters(a-zand0-9).

14LenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

TosetaPower-OnPassword,dothefollowing:

1.StarttheLenovoBIOSSetupUtilityprogram(See”StartingtheLenovoBIOSSetupUtilityprogram”on
page13.)

2.FromtheSecuritymenu,selectSetPower-OnPasswordandpresstheEnterkey.

3.Thepassworddialogboxwillbedisplayed.T ypethepassword,thenpresstheEnterkey.

4.Re-typethepasswordtoconrm.Ifyoutypedthepasswordcorrectly,thepasswordwillbeinstalled.

TochangeaPower-OnPassword,dothefollowing:

1.StarttheLenovoBIOSSetupUtilityprogram(See”StartingtheLenovoBIOSSetupUtilityprogram”on
page13.)

2.FromtheSecuritymenu,selectSetPower-OnPasswordandpresstheEnterkey.

3.Thepassworddialogboxwillbedisplayed.T ypethecurrentpasswordthenpresstheEnterkey.

4.T ypethenewpassword,thenpresstheEnterkey.Re-typethepasswordtoconrmthenewpassword.
Ifyoutypedthenewpasswordcorrectly,thenewpasswordwillbeinstalled.ASetupNoticedconrming
thatchangeshavebeensavedwillbedisplayed.

TodeleteapreviouslysetPower-OnPassword,dothefollowing:

1.FromtheSecuritymenu,selectSetPower-OnPasswordandpresstheEnterkey.

2.Thepassworddialogboxwillbedisplayed.T ypethecurrentpasswordandpresstheEnterkey.

3.T odeletethePower-OnPassword,leaveeachnewpasswordlineitemblank,thenpressEnter.ASetup
Noticeconrmingthatchangeshavebeensavedwillbedisplayed.

4.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.

5.SelectSavechangesandExitfromthemenu.

Enablingordisablingadevice

TheDevicesoptionsisusedtoenableordisableuseraccesstothefollowingdevices:

USBFunctionsSelectwhethertoenableordisableUSB(UniversalSerial

Bus)functions.Ifthefunctionsaredisabled,noUSB
devicescanbeused.

SATAMode

OnboardAudioControllerSelectwhethertoenableordisabletheOnboard

OnboardEthernetControllerorLANBootAgentSelectwhethertoenableordisabletheOnboardEthernet

Toenableordisableadevice,dothefollowing:

1.StarttheSetupUtilityprogram(see“StartingtheSetupUtilityprogram”onpage13).

2.FromtheSetupUtilityprogrammenu,selectDevices.

3.Selectanoptionasfollows:

WhenthisfeatureissettoDisabled,alldevices
connectedtotheSATAconnectors(e.g.harddiskdrives
ortheopticaldiskdrive)aredisabledandcannotbe
accessed.

AudioController.WhenthisfeatureissettoDisabled
alldevicesconnectedtotheaudioconnectors(e.g.
headphonesoramicrophone)aredisabledandcannot
beused.

Controller,orselectwhethertoenableordisableload
onboardPXE(PrebootExecutionEnvironment).

SelectUSBSetup,presstheEnterkey,thenselectUSBFunctions.

Chapter5.UsingtheSetupUtility15

SelectA T ADeviceSetup,presstheEnterkey,thenselectSA T AMode.

SelectAudioSetup,presstheEnterkey,thenselectOnboardAudioController.

SelectNetworkSetup,presstheEnterkey,thenselectOnboardEthernetSupportorLANBoot
Agent.

4.SelectDisabledorEnabledandpresstheEnterkey.

5.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.

6.SelectSavechangesandExitfromthemenu.

Notes:

a.Ifyoudonotwanttosavethesettings,selectDiscardchangesandExitfromthemenu.

b.SelectIDE/AHCIMode:DevicedriversupportisrequiredforACHI.Dependingonhowtheharddisk

imagewasinstalled,changingthissettingmaypreventthesystemfrombooting.

Selectingastartupdevice

IfyourcomputerdoesnotbootfromadevicesuchastheCD/DVD-ROMdrivediskorharddiskasexpected,
followoneoftheproceduresbelow.

Selectingatemporarystartupdevice

Usethisproceduretostartupfromanybootdevice.

Note:NotallCDs,DVDsorharddiskdrivesarebootable.

1.T urnoffyourcomputer.

2.PressandholdtheF12keythenturnonthecomputer.WhentheStartupDeviceMenuappears,
releasetheF12key.

Note:IftheStartupDeviceMenudoesnotdisplayusingthesesteps,repeatedlypressandreleasethe
F12keyratherthankeepingitpressedwhenturningonthecomputer.

3.Use↑and↓arrowstoselectthedesiredstartupdevicefromtheStartupDeviceMenuandpress
theEnterkeytobegin.

Note:SelectingastartupdevicefromtheStartupDeviceMenudoesnotpermanentlychangethe
startupsequence.

Selectingorchangingthestartupdevicesequence

Tovieworpermanentlychangetheconguredstartupdevicesequence,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:

16LenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

a.Ifyoudonotwanttosavethesettings,selectDiscardchangesandExitfromthemenu.

b.Ifyouhavechangedthesesettingsandwanttoreturntothedefaultsettings,selectLoadOptimal

Defaultsfromthemenu.

ExitingtheLenovoBIOSSetupUtilityprogram

Afteryounishviewingorchangingsettings,presstheEsckeytoreturntotheLenovoBIOSSetupUtility
programmainmenu.Y oumighthavetopresstheEsckeyseveraltimes.Dooneofthefollowing:

•Ifyouwanttosavethenewsettings,selectSavechangesandExitfromthemenu.WhentheSave&
resetwindowshows,selecttheYesbutton,andthenpresstheEnterkeytoexittheLenovoBIOS
SetupUtilityprogram.

•Ifyoudonotwanttosavethesettings,selectDiscardchangesandExitfromthemenu.Whenthe
ResetWithoutSavingwindowshows,selecttheY esbutton,andthenpresstheEnterkeytoexitthe
LenovoBIOSSetupUtilityprogram.

Chapter5.UsingtheSetupUtility17

18LenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

Chapter6.Symptom-to-FRUIndex

TheSymptom-to-FRUindexlistserrorsymptomsandpossiblecauses.Themostlikelycauseislistedrst.
AlwaysbeginwithChapter4,“GeneralCheckout,”onpage11.Thisindexcanalsobeusedtohelpyou
decidewhichFRUstohaveavailablewhenservicingacomputer.Ifyouareunabletocorrecttheproblem
usingthisindex,goto“Undeterminedproblems”onpage20.

Notes:

•Ifyouhavebothanerrormessageandanincorrectaudioresponse,diagnosetheerrormessagerst.

•Ifyoucannotrunthediagnostictestsoryougetadiagnosticerrorcodewhenrunningatestbutdid
receiveaPOSTerrormessage,diagnosethePOSTerrormessagerst.

•Ifyoudidnotreceiveanyerrormessagelookforadescriptionofyourerrorsymptomsintherstpartof
thisindex.

Harddiskdrivebooterror

Aharddiskdrivebooterrorcanbecausedbythefollowing.

Error

Thestartupdriveisnotincludedinthebootsequence
conguration.

Nooperatingsystemisinstalledonthebootdrive.Installanoperatingsystemonthebootdrive.

Thebootsectoronthestartupdriveiscorrupted.

Thedriveisdefective.

FRU/Action

Checkthecongurationandensurethestartupdriveis
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

©CopyrightLenovo2013

19

POSTerrorcodes

Eachtimeyouturnthecomputeron,itperformsaseriesofteststocheckthatthesystemisoperating
correctlyandthatcertainoptionsareset.ThisseriesoftestsiscalledthePower-OnSelf- T est,orPOST.
POSTdoesthefollowing:

•Checkssomebasicmotherboardoperations

•Checksthatthememoryisworkingcorrectly

•Startsvideooperations

•Veriesthatthebootdriveisworking

POSTErrorMessageDescription/Action

Keyboarderror

RebootandSelectproperBootdeviceorInsertBoot
MediainselectedBootdevice

Cannotinitializethekeyboard.Makesurethekeyboard
isproperlyconnectedtothecomputerandthatnokeys
areheldpressedduringPOST.Topurposelycongure
thecomputerwithoutakeyboard,selectKeyboardless
operationinStartupandsettheoptiontoEnabled.The
BIOSthenignoresthemissingkeyboardduringPOST.

TheBIOSwasunabletondasuitablebootdevice.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.Repeatsteps1through3untilyoundthefailingdeviceorcomponent.

Ifalldevicesandcomponentshavebeenremovedandtheproblemcontinues,replacethesystemboard.

20LenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

Chapter7.Locatingconnectors,controlsandcomponents

1 2

3 7654 8 9

10

Thissectionprovidesillustrationstohelplocatethevariousconnectors,controlsandcomponentsofthe
computer.

Fontview

Thefollowingillustrationshowsthelocationofcontrolsandcomponentsonthefrontofthecomputer.

Attention:Becarefulnottoblockanyairventsonthecomputer.Blockedairventscancauseoverheating.

1.Built-inmicrophone6.Menubutton

2.Built-incamera

3.Harddiskdriveindicator8.Rightdirectionbutton

4.Wi-Fistatusindicator

5.MonitorOn/Offindicator10.Built-inIRreceiver(Onlyfunctionalonmodels

©CopyrightLenovo2013

7.Leftdirectionbutton

9.MonitorOn/Offbutton

equippedwithaIRreceivermodule)

21

Leftandrightview

1

2

3

6

5

4

7

8

Thefollowingillustrationshowsthelocationofconnectors,controlsandcomponentsontheleftandright
sideofthecomputer.

1.USBconnector

5.Memorycardreader

2.Headphoneconnector6.Powerbutton

3.Microphoneconnector

7.Opticaldriveejectbutton

4.USBconnector8.Opticaldrive

Attention:Donotinsert3-inchdiscsintotheopticaldrive.

22LenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

Rearview

1 2 3 7654

8

9

Thefollowingillustrationshowsthelocationofconnectorsandcomponentsontherearofthecomputer.

1.TVtunerconnector(selectedmodelsonly,2connectors
forJapan)

2.TVtunerconnector(selectedmodelsonly,2connectors
forJapan)

3.Powerconnector

4.Ethernetconnector9.Airvents

5.USBconnector

6.USBconnector

7.HDMI-outconnector(selectedmodelsonly)

8.Securitycableslot

Chapter7.Locatingconnectors,controlsandcomponents23

Hardwarecomponents

1

2

3

7

8

9

10

11

12

14

13

15

16

17

18

19

20

21

22

5

6

4

Thefollowingillustrationshowsthecomponentsthatmakeupyourcomputer.

1.Opticaldiskdrivebracket

2.Opticaldiskdrive

3.Harddiskdrivebracket14.Wi-Ficard

4.Harddiskdrive15.TV- T unercard

5.Heat-sink

6.Systemfan17.B-CAScardreader

7.Speakers

8.RearI/Omodulebracket

9.RearI/Omodule

10.Chassis

11.LEDpanel

12.Frontbezel

13.Memorymodule

16.Converterboard

18.Motherboard

19.EMIcover

20.Footcover

21.Middlecover

22.Computerstand

24LenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

Identifyingpartsonthemotherboard

1

2

3

6

7

8

9

10

11 12 13

14

15 16 17

18

4

5

Themotherboard(sometimescalledtheplanarorsystemboard)isthemaincircuitboardinyourcomputer.
Itprovidesbasiccomputingfunctionsandsupportsavarietyofdevicesthatarefactory-installedorthat
youcaninstalllater.Thefollowingillustrationshowsthelocationofconnectorsandcomponentsonthe
frontofthemotherboard.

1.Cameraconnector10.DC-inconnector

2.Opticaldiskdrivepowerconnector11.RearI/Omoduleconnector

3.Systemfanconnector

12.TV-T unercardconnector

4.LVDSconnector13.B-CAScardreaderconnector

5.OpticaldriveSATAconnector

6.Battery

7.HarddiskdriveSATAconnector

8.Harddiskdrivepowerconnector

9.Converterconnector

14.Wi-Ficardconnector

15.F rontfunctionboardconnector

16.Powercontrolconnector

17.Speakerconnector

18.Memoryconnector

Chapter7.Locatingconnectors,controlsandcomponents25

26LenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

Chapter8.Replacinghardware

Attention:Donotremovethecomputercoverorattemptanyrepairbeforereadingthe“Importantsafetyinformation”

intheSafetyandWarrantyGuidethatwasincludedwithyourcomputer.ToobtaincopiesoftheSafetyandWarranty
Guide,gototheSupportWebsiteat:http://consumersupport.lenovo.com.

Note:UseonlypartsprovidedbyLenovo.

Generalinformation

Pre-disassemblyinstructions

Beforestartingthedisassemblyprocedure,makesurethatyoudothefollowing:

1.T urnoffthepowertothesystemandallperipherals.

2.Unplugallpowerandsignalcablesfromthecomputer.

3.Placethesystemonaat,stablesurface.

©CopyrightLenovo2013

27

Replacingthekeyboardandmouse

Note:Y ourkeyboardwillbeconnectedtoaUSBconnectorateithersideorattherearofthecomputer.

Toreplacethekeyboard:

Step1.Removeanymedia(disks,CDs,ormemorycards)fromthedrives,shutdownthecomputer,and

turnoffallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Locatetheconnectorforthekeyboard.Referto“Sideviewofthecomputer”and“Rearviewof

thecomputer”.

Step4.Disconnectthedefectivekeyboardcablefromthecomputerandconnectthenewkeyboardcable

tothesameconnector.

Step5.Themousecanbereplacedusingthesamemethod.

Replacingtheadapter

Attention:T urnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Step1.Removeanymedia(disks,CDs,ormemorycards)fromthedrives,shutdowntheoperating

system,andturnoffthecomputerandallattacheddevices.

28LenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

Step2.Disconnecttheadaptercablefromthecomputer1,thenunplugthepowercordfromelectrical

outlet.2

Step3.Connectthenewadapterasshown.12

Chapter8.Replacinghardware29

Removingthestandbase

Attention:T urnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthetouchscreenfromscratches
orotherdamage.

Step1.Removeanymedia(disks,CDs,ormemorycards)fromthedrives,shutdowntheoperating

system,andturnoffthecomputerandallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightviews”
and“Rearview”forhelpwithlocatingthevariousconnectors.

Step4.Twistthehandscrewringcounter-clockwiseuntilthebasecomesloosetoreleasethestandbase

fromthestandholder.1

Step5.Slidethestandbaseoutfromtheholderthenputitaside.2

Step6.Referto“Installingthecomputerstand”toreinstallthestandbase.

Removingthefootcover

Attention:T urnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

30LenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthetouchscreenfromscratches
orotherdamage.

Step1.Removeanymedia(disks,CDs,ormemorycards)fromthedrives,shutdowntheoperating

system,andturnoffthecomputerandallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightviews”
and“Rearview”forhelpwithlocatingthevariousconnectors.

Step4.Removethefootbase.Referto“Removingthefootbase” .

Step5.Liftupthestandholderthenslideoutthefootcoverasshown.

Step6.Toreattachthefootcover:

a.Liftupthestandholder.

b.Lineupthefootcoverwithmountingholesonthebackofthecomputer,thenslideitbackinto

position.

Replacingamemorymodule

Attention:T urnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Chapter8.Replacinghardware31

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthetouchscreenfromscratches
orotherdamage.

Step1.Removeanymedia(disks,CDs,ormemorycards)fromthedrives,shutdowntheoperating

system,andturnoffthecomputerandallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightviews”
and“Rearview”forhelpwithlocatingthevariousconnectors.

Step4.Removethestandbase.Referto“Removingthestandbase” .

Step5.Removethefootcover.Referto“Removingthefootcover”.

Step6.Pushoutthelatchesonbothsidesofthememorysockettoreleasethememorymodule1and

gentlypullthememorymoduleupwardtoremoveitfromitssocket.2Allofthememorymodules
canberemovedusingthesameprocedure.

Step7.Toinstallamemorymodule:

a.Alignthenewmemorymodulewiththememorysocket,theninsertitandpushdownonthe

topedge.Makesurethelatcheslockthememorymoduleinplace.

Step8.Reattachthefootcoverandstandbase.

32LenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

Replacingtheharddiskdrive

1

1

Attention:T urnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthetouchscreenfromscratches
orotherdamage.

Step1.Removeanymedia(disks,CDs,ormemorycards)fromthedrives,shutdowntheoperating

system,andturnoffthecomputerandallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightviews”
and“Rearview”forhelpwithlocatingthevariousconnectors.

Step4.Removethestandbase.Referto“Removingthestandbase” .

Step5.Removethefootcover.Referto“Removingthefootcover”.

Step6.Pushtheharddiskdrivebracket1,thenslidetheharddiskdriveandbracketoutofthechassisas

shown.2

Chapter8.Replacinghardware33

Step7.Pushthelockpinsoutwardtoreleasetheharddiskdrivefromthebracket.

Step8.Toinstallthenewharddiskdrive:

a.Lineupthenewharddiskdrivewiththebracketandsecureitwiththepins.

b.Slidetheharddiskdriveandbracketbackintoposition.

Step9.Reattachthefootcoverandstandbase.

Replacingtheopticaldrive

Attention:T urnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthetouchscreenfromscratches
orotherdamage.

Step1.Removeanymedia(disks,CDs,ormemorycards)fromthedrives,shutdowntheoperating

system,andturnoffthecomputerandallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightviews”
and“Rearview”forhelpwithlocatingthevariousconnectors.

Step4.Removethestandbase.Referto“Removingthestandbase” .

Step5.Removethefootcover.Referto“Removingthefootcover”.

34LenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

Step6.Pushtheopticaldrivepindownwardtopushouttheopticaldriveasshown.12

Step7.Pushasmallironstick(paperclip)intothesmallholeontheopticaldrivecoversothatthedisk

springsoutasshown.

Step8.Removethe2screwsthatsecuretheopticaldrivetothemetalbracket.1

Step9.Useasmallatheadscrewdrivertopressandpushoutthepinsthatsecurethecovertothe

disk.23

Chapter8.Replacinghardware35

Step10.Separatethecoverfromthedefectiveopticaldrive.

Step11.Toinstallthenewopticaldrive:

a.Alignthenewopticaldrivewiththecover,andthenpushthecoverbackintoposition.

b.Screwthemetalbracketbackontothenewopticaldrive.

c.Slidethenewopticaldriveintothedrivebay.

Step12.Reattachthefootcoverandstandbase.

Removingthestandholder

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches
orotherdamage.

Toremovethestandholder:

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.Removethestandbase.Referto“Removingthestandbase” .

Step5.Removethefootcover.Referto“Removingthefootcover”.

Step6.Removethefourscrewsthatsecurethestandholdertothechassis,thenliftupthestandholderto

removeit.

36LenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

Step7.Toreattachthestandholder:

a.Aligntheholesonthestandholderwithmountingholesonthechassis,placethestand

holderbackintoposition.

b.Securethestandholdertothechassiswiththefourscrews.

Step8.Lineupthefootcoverwithmountingholesonthebackofthecomputer,thenslideitbackinto

position.

Step9.Reattachthestandbase.

Removingthemiddlecover

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches
orotherdamage.

Toremovethemiddlecover:

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.Removethestandbase.Referto“Removingthestandbase” .

Step5.Removethefootcover.Referto“Removingthefootcover”.

Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .

Step7.Removethestandholder.Referto“Removingthestandholder”.

Step8.Removethesevenscrewsthatsecurethemiddlecovertothechassis,thenliftupthemiddlecover

fromtheleftside(opticaldriveside)toremovethemiddlecover.

Chapter8.Replacinghardware37

Step9.Toreattachthemiddlecover:

a.Lineupthemiddlecoverwithchassis,thenplacethemiddlecoverback.

b.Securethemiddlecovertothechassiswiththesevenscrews.

Step10.Reattachthestandholder,opticaldrive,footcoverandstandbase.

Replacingtheconverterboard

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches
orotherdamage.

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.Removethestandbase.Referto“Removingthestandbase” .

Step5.Removethefootcover.Referto“Removingthefootcover”.

Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .

Step7.Removethestandholder.Referto“Removingthestandholder”.

Step8.Removethemiddlecover.Referto“Removingthemiddlecover” .

38LenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

Step9.Disconnectthetwocablesfromtheconverter,andthenremovethetwoscrewsthatsecurethe

converterboardtothechassis.

Step10.Liftuptheconverterboardtoremoveit.

Step11.Toinstallthenewconverterboard:

a.Lineuptheholesonthenewconverterboardwiththemountingholesonthechassisand

secureitwiththetwoscrews.

b.Connectthetwocablestothenewconverterboard.

Step12.Reattachthemiddlecover,opticaldrive,standholder,footcoverandstandbase.

Replacingthecamera

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches
orotherdamage.

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.Removethestandbase.Referto“Removingthestandbase” .

Step5.Removethefootcover.Referto“Removingthefootcover”.

Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .

Step7.Removethestandholder.Referto“Removingthestandholder”.

Step8.Removethemiddlecover.Referto“Removingthemiddlecover” .

Step9.Removetheheat-sink.Referto“Replacingtheheatsink” .

Chapter8.Replacinghardware39

Step10.Removethetwoscrewsthatsecurecameratothefrontbezel.1

Step11.Liftupthecamera2anddisconnectthedatacablefromthecamera.3

Step12.Toinstallthenewcamera:

a.Connectthedatacabletothenewcamera.

b.Lineuptheholesinthenewcamerawiththemountingholesonthefrontbezelandsecureit

withthetwoscrews.

Step13.Reattachthemiddlecover,opticaldrive,standholder,footcoverandstandbase.

RemovingtheEMIcover

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches
orotherdamage.

ToreplacetheEMIcover

Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating

system,andturnoffthecomputerandallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

40LenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”
and“Rearview”forhelpwithlocatingthevariousconnectors.

Step4.Removethestandbase.Referto“Removingthestandbase” .

Step5.Removethefootcover.Referto“Removingthefootcover”.

Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .

Step7.Removethestandholder.Referto“Removingthestandholder”.

Step8.Removethemiddlecover.Referto“Removingthemiddlecover” .

Step9.RemovethethreescrewsthatsecuretheEMIcovertothechassis1,andthenliftitup.2

Step10.ToreattachtheEMIcover:

a.LineuptheholesontheEMIcoverwithmountingholesonthechassis,thenplaceEMIcover

backintoposition.

b.SecuretheEMIcovertothechassiswiththreescrews.

Step11.Reattachthemiddlecover,opticaldrive,standholder,footcoverandstandbase.

ReplacingtherearI/Omodule

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches
orotherdamage.

ToreplacetherearI/Omodule

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.Removethestandbase.Referto“Removingthestandbase” .

Step5.Removethefootcover.Referto“Removingthefootcover”.

Chapter8.Replacinghardware41

Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .

Step7.Removethestandholder.Referto“Removingthestandholder”.

Step8.Removethemiddlecover.Referto“Removingthemiddlecover” .

Step9.RemovetheEMIcover.Referto“RemovingtheEMIcover”.

Step10.RemovethethreescrewsthatsecuretherearI/Omoduletothemotherboard1andliftitup

gently.2

Step11.DisconnectthepowercablefromthemotherboardandtheTVantennacable(s)fromtheTVtuner

card.

Step12.RemovethetwoscrewsthatsecurerearI/Omoduletothebracket1,loosetherearI/Omodule,

thenslideitout.

2

Step13.ToinstallthenewrearI/Omodule:

a.LineupthenewI/Omodulewithbracket,theninserttherearI/Omoduleintoposition.

b.SecuretherearI/Omoduletothebracketwiththetwoscrews.

c.ConnectthepowercabletothemotherboardandtheTVantennacable(s)totheTVtunercard.

Step14.ReattachtheEMIcover,middlecover,opticaldrive,standholder,footcoverandstandbase.

42LenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

Replacingthespeakersystem

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches
orotherdamage.

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.Removethestandbase.Referto“Removingthestandbase” .

Step5.Removethefootcover.Referto“Removingthefootcover”.

Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .

Step7.Removethestandholder.Referto“Removingthestandholder”.

Step8.Removethemiddlecover.Referto“Removingthemiddlecover” .

Step9.RemovetheEMIcover.Referto“RemovingtheEMIcover”.

Step10.Disconnectthespeakercablesfromtheconnectoronthemotherboard.

Step11.Removethefourscrewsthatsecurethespeakersystemtothechassis,thenliftupthespeaker

systemtoremoveit.

Step12.Toinstallthenewspeakersystem:

a.Placethenewspeakersystemintoposition,thensecureitwithfourscrews.

b.Connectthenewspeakercablestotheconnectoronthemotherboard.

Step13.ReattachtheEMIcover,middlecover,opticaldrive,standholder,footcoverandstandbase.

Chapter8.Replacinghardware43

Replacingthesystemfan

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches
orotherdamage.

Toreplacethesystemfan

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.Removethestandbase.Referto“Removingthestandbase” .

Step5.Removethefootcover.Referto“Removingthefootcover”.

Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .

Step7.Removethestandholder.Referto“Removingthestandholder”.

Step8.Removethemiddlecover.Referto“Removingthemiddlecover” .

Step9.RemovetheEMIcover.Referto“RemovingtheEMIcover”.

Step10.Removethesealingtapebetweenthesystemfanandheat-sink.

Step11.Removethethreescrewsthatsecurethesystemfantothechassis.

Step12.Disconnectthepowercablefromthemotherboard.

Step13.Liftupthesystemfantoremoveit.

Step14.Toinstallthenewsystemfan:

a.Placethenewsystemfanintoposition,andthensecureittothechassiswiththreescrews.

b.Connectthesystemfanpowercabletotheconnectoronthemotherboard.

c.Usethesealingtapetosealthegapin-betweenthesystemfanandheat-sink.

Step15.ReattachtheEMIcover,middlecover,opticaldrive,standholder,footcoverandstandbase.

44LenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

Replacingtheheat-sink

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches
orotherdamage.

Toreplacetheheat-sink:

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.Removethestandbase.Referto“Removingthestandbase” .

Step5.Removethefootcover.Referto“Removingthefootcover”.

Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .

Step7.Removethestandholder.Referto“Removingthestandholder”.

Step8.Removethemiddlecover.Referto“Removingthemiddlecover” .

Step9.RemovetheEMIcover.Referto“RemovingtheEMIcover”.

Step10.Removethesealingtapebetweenthesystemfanandheat-sink.

Step11.Removethescrewsthatsecuretheheat-sinktothemotherboardandchassis.

Step12.Removetheheat-sinkbyliftingitup.

Attention:Placetheheat-sinkupsidedownonaatsurfacetopreventthermalgreasefromcontaminating
othercomponents.

Attention:UseanalcoholpadtowipethethermalgreaseofftheCPU.

Step13.Toinstallthenewheat-sink:

a.Lineupthenewheat-sinkwithmountingholesonthemotherboard,thenplaceitintoposition.

b.Followthenumbersprintedonthenewheat-sinktosecureitinorderusingthescrews.

Chapter8.Replacinghardware45

c.Usethesealingtapetosealthegapin-betweenthesystemfanandheat-sink.

Step14.ReattachtheEMIcover,middlecover,opticaldrive,standholder,footcoverandstandbase.

ReplacingtheTVtunercard

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches
orotherdamage.

ToreplacetheTVtunercard

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.Removethestandbase.Referto“Removingthestandbase” .

Step5.Removethefootcover.Referto“Removingthefootcover”.

Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .

Step7.Removethestandholder.Referto“Removingthestandholder”.

Step8.Removethemiddlecover.Referto“Removingthemiddlecover” .

Step9.RemovetheEMIcover.Referto“RemovingtheEMIcover”.

46LenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

Step10.DisconnecttheantennacablefromtheTV- T unercard.

Chapter8.Replacinghardware47

Step11.RemovethescrewthatsecurestheTV-Tunercardtothemotherboard.1

Step12.PulltheTV- T unercardupwardtoremoveitfromthecardportonthemotherboard.2

Step13.ToinstallthenewTV- Tunercard:

a.InsertthenotchedendoftheTV-Tunercardintothecardportonthemotherboard.

b.SecurenewtheTV-Tunercardtothemotherboardwiththescrew.

c.ConnecttheantennacabletothenewTV-Tunercard.

Step14.ReattachtheEMIcover,middlecover,opticaldrive,standholder,footcoverandstandbase.

ReplacingtheWLANcard

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches
orotherdamage.

ToreplacetheWLANcard:

Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating

system,andturnoffthecomputerandallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

48LenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”
and“Rearview”forhelpwithlocatingthevariousconnectors.

Step4.Removethestandbase.Referto“Removingthestandbase” .

Step5.Removethefootcover.Referto“Removingthefootcover”.

Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .

Step7.Removethestandholder.Referto“Removingthestandholder”.

Step8.Removethemiddlecover.Referto“Removingthemiddlecover” .

Step9.RemovetheEMIcover.Referto“RemovingtheEMIcover”.

Step10.DisconnecttheantennacablesfromtheWLANcard.

Chapter8.Replacinghardware49

Step11.RemovethescrewthatsecurestheWLANcardtothemotherboard.1

Step12.LiftuptheWLANcardtoremoveitfromthesocket.2

Step13.ToinstallthenewWLANcard:

a.InsertthenotchedendoftheWLANcardintothecardportonthemotherboard.

b.SecurenewtheWLANcardtothemotherboardwiththescrew.

c.ConnecttheantennacablestothenewWLANcard.

Step14.ReattachtheEMIcover,middlecover,opticaldrive,standholder,footcoverandstandbase.

Replacingthefrontcontrolboard

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches
orotherdamage.

Toreplacethefrontcontrolboard:

Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating

system,andturnoffthecomputerandallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

50LenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”
and“Rearview”forhelpwithlocatingthevariousconnectors.

Step4.Removethestandbase.Referto“Removingthestandbase” .

Step5.Removethefootcover.Referto“Removingthefootcover”.

Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .

Step7.Removethestandholder.Referto“Removingthestandholder”.

Step8.Removethemiddlecover.Referto“Removingthemiddlecover” .

Step9.RemovetheEMIcover.Referto“RemovingtheEMIcover”.

Step10.Removethespeakersystem.Referto“Replacingthespeakersystem” .

Step11.Pushthepinthatlocksthefrontcontrolboard,thenslideitout.

Step12.Removethetwoscrewsthatsecurethefrontcontrolboardtothefrontbezel.

Step13.Disconnectthedatacablefromthefrontcontrolboard,thenliftupthefrontcontrolboard.

Step14.Toinstallthenewfrontcontrolboard:

a.Connectthedatacabletothenewfrontcontrolboard.

b.Lineupthenewfrontcontrolboardwiththefrontbezel,thenplaceitintoposition.

c.Securethefrontcontrolboardtothefrontbezelwiththetwoscrews.

Step15.Reattachthespeakersystem,EMIcover,middlecover,opticaldrive,standholder,footcover

andstandbase.

Replacingthepowerswitchboard

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches
orotherdamage.

Toreplacethepowerswitchboard

Chapter8.Replacinghardware51

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.Removethestandbase.Referto“Removingthestandbase” .

Step5.Removethefootcover.Referto“Removingthefootcover”.

Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .

Step7.Removethestandholder.Referto“Removingthestandholder”.

Step8.Removethemiddlecover.Referto“Removingthemiddlecover” .

Step9.RemovetheEMIcover.Referto“RemovingtheEMIcover”.

Step10.Removethescrewthatsecurespowerswitchboardtothefrontbezel.

Step11.Disconnectthedatacablefromthepowerswitchboard.

Step12.Liftupthepowerswitchboardtoremoveit.

Step13.Toinstallthepowerswitchboard:

a.Lineuptheholeonthenewpowerswitchboardwiththemountingholeonthechassis,

thenplaceitintoposition.

b.Securethepowerswitchboardwiththescrew.

c.Connectthepowercabletothenewpowerswitchboard.

Step14.ReattachtheEMIcover,middlecover,opticaldrive,standholder,footcoverandstandbase.

Replacingthemotherboard

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches
orotherdamage.

52LenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

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.Removethestandbase.Referto“Removingthestandbase” .

Step5.Removethefootcover.Referto“Removingthefootcover”.

Step6.Removethememorymodules.Referto“Replacingamemorymodule” .

Step7.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .

Step8.Removethestandholder.Referto“Removingthestandholder”.

Step9.Removethemiddlecover.Referto“Removingthemiddlecover” .

Step10.RemovetheEMIcover.Referto“RemovingtheEMIcover” .

Step11.RemovetherearI/Omodule.Referto“ReplacingtherearI/Omodule” .

Step12.Removetheheat-sink.Referto“Replacingtheheat-sink” .

Step13.RemovetheCPU.Referto“ReplacingtheCPU” .(FormodelsC340andC440only.)

Step14.RemovetheTV-Tunercard.Referto“ReplacingtheTVtunercard”.

Step15.RemovetheWLANcard.Referto“ReplacingtheWLANcard” .

Step16.Unplugthefollowingcablesfromconnectorsonthemotherboard:

•Powerswitchboardcable

•Speakersystemcable

•Frontcontrolboardcable

•Convertercable

•Cameracable

•Systemfanpowercable

•Harddiskdrivepowercable

•HarddiskdriveSATAcable(Black)

•OpticaldriveSA T Acable(Red)

•LEDpaneldatacable

Chapter8.Replacinghardware53

Step17.Removethevescrewsthatsecurethemotherboardtothechassisandliftthemotherboard

uptoremoveit.

Step18.Toinstallthenewmotherboard:

a.Lineuptheholesonthenewmotherboardwiththemountingholeschassisandplacethenew

motherboardintoposition.

b.Usethescrewstosecurethenewmotherboardtothechassis.

c.Connectallthecablestothenewmotherboard.

Step19.Installthefollowingpartstothenewmotherboard:

•WLANcard

•TV- Tunercard

•CPU

•Heat-sink

•RearI/Omodule

•Memorymodule

Step20.ReattachtheEMIcover,middlecover,opticaldrive,standholder,footcoverandstandbase.

ReplacingtheLEDpanel

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches
orotherdamage.

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.Removethestandbase.Referto“Removingthestandbase” .

54LenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

Step5.Removethefootcover.Referto“Removingthefootcover”.

Step6.Removethememorymodules.Referto“Replacingamemorymodule” .

Step7.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .

Step8.Removethestandholder.Referto“Removingthestandholder”.

Step9.Removethemiddlecover.Referto“Removingthemiddlecover” .

Step10.RemovetheEMIcover.Referto“RemovingtheEMIcover” .

Step11.Removethespeakersystem.Referto“Replacingthespeakersystem” .

Step12.RemovetherearI/Omodule.Referto“ReplacingtherearI/Omodule” .

Step13.Removethesystemfan.Referto“Replacingthesystemfan” .

Step14.Removetheheat-sink.Referto“Replacingtheheat-sink” .

Step15.Disconnectthefollowingcablesfromconnectorsonthemotherboard:

•WLANantennacables

•Powerswitchboard

•Frontcontrolboardcable

•Cameracable

•LEDpaneldatacable

Step16.Removethe9screwsthatsecurethechassistothefrontbezel.

Step17.RemovethefourscrewsthatsecuretheLEDpaneltothechassis,andthendisconnectthepower

cablefromtheLEDpanel.

Step18.LiftupthechassistoseparatetheLEDpanelfromthechassis.

Step19.ToinstallthenewtheLEDpanel:

a.LineupthechassiswithnewLEDpanel,andthenplaceitintoposition.

b.SecuretheLEDpaneltothechassiswiththefourscrews.

c.ConnecttheconvertercabletothenewLEDpanel.

Chapter8.Replacinghardware55

d.LineupthechassisandnewLEDpanelwiththefrontbezel,andthenplaceitintoposition.

e.Securethechassistothefrontbezelwiththeninescrews.

f.Connectallthecablestotheconnectorsonthemotherboard.

Step20.Reattachtheheat-sink,systemfan,rearI/Omodule,speakersystem,EMIcover,middlecover,

opticaldrive,standholder,footcoverandstandbase.

56LenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

Chapter9.FRUlists-C355

1

2

3

7

8

9

10

11

12

14

13

15

16

17

18

19

20

21

22

5

6

4

Thischapterliststheinformationontheeldreplaceableunits(FRUs)forLenovoC355All-In-Onedesktop
computer.

Attention:BesuretoreadandunderstandallthesafetyinformationbeforereplacinganyFRUs.

Notes:FRUsthathavea1or2intheCRUcolumnareCustomerReplaceableUnits(CRUs).

•1–identiespartsthatarefairlysimpletoreplace,requiringfewornotools.

•2–identiespartsthatareslightlymoredifculttoreplace.

•N-identiespartsthatarenottobereplacedbythecustomer.

PartItemName

©CopyrightLenovo2013

PartDescription(English)

FRUPN

CRU
ID

57

18Mainboard

6

5

9

17

16

Mechanical

SystemF an

Heatsink

RearI/Omodule

B-CAScardreaderB540B-CasBoard

ConverterBoardC355Converter

C355W8SUMACPU_E2-3000W/USB3.0MB

C355W8SGPU_1GCPU_A6-5200W/USB3.0MB

C355W8SGPU_1GCPU_A4-5000W/USB3.0MB

C355W8SUMACPU_A4-5000W/USB3.0MB

C355W8SGPU_1GCPU_E2-3000W/USB3.0MB

C355W8SUMACPU_E1-2500W/USB3.0MB

C355W8SGPU_1GCPU_E1-2500W/USB3.0MB

C355NOKUMACPU_E2-3000W/USB3.0MB

C355NOKGPU_1GCPU_A6-5200W/USB3.0MB

C355NOKGPU_1GCPU_A4-5000W/USB3.0MB

C355NOKUMACPU_A4-5000W/USB3.0MB

C355NOKGPU_1GCPU_E2-3000W/USB3.0MB

C355NOKUMACPU_E1-2500W/USB3.0MB

C355NOKGPU_1GCPU_E1-2500W/USB3.0MB

C355W8PUMACPU_E2-3000W/USB3.0MB

C355W8PGPU_1GCPU_A6-5200W/USB3.0MB

C355W8PGPU_1GCPU_A4-5000W/USB3.0MB

C355W8PUMACPU_A4-5000W/USB3.0MB

C355W8PGPU_1GCPU_E2-3000W/USB3.0MB

C355W8PUMACPU_E1-2500W/USB3.0MB

C355W8PGPU_1GCPU_E1-2500W/USB3.0MB

C355DeltaF AN

C355AVCFAN

C355SUNONFAN

C355AVCUMAthermal

C355CoolermasterUMAthermal

C355AVCDISthermal

C355CoolermasterDISthermal

C355RearIOBoardW/GPUW/TVW/HDMI

C355RearIOBoardW/GPUW/OTVW/HDMI

C355RearIOBoardW/GPUW/TVW/OHDMI

C355RearIOBoardW/GPUW/OTVW/OHDMI

C340POWER_LEDBoardW/IR

C340POWER_LEDBoardW/OIR

C340FunctionBoard

90003799N

90003800N

90003801N

90003802N

90003807N

90003808N

90003813N

90003814N

90004010N

90004011N

90004012N

90004013N

90004014N

90004015N

90004016N

90004017N

90004018N

90004019N

90004020N

90004021N

90004022N

90203380N

90203381N

90203382N

90203383N

90203384N

90203385N

90203386N

90003803N

90003804N

90003805N

90003806N

90000267N

90000630N

90001136N

90000631N

90003815N

58LenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

12Frontbezel

10

ChassisC355MiddleFrame

Middlecover

Stand

19EMIcover

C355FrontBezel(Black)

C355FrontBezel(White)

C355FrontBezel(Red)

C355RearCoverW/TVW/HDMI(Black)

C355RearCoverW/TVW/OHDMI(Black)

C355RearCoverW/OTVW/HDMI(Black)

C355RearCoverW/OTVW/OHDMI(Black)

C355RearCoverW/TVW/HDMI(White)

C355RearCoverW/TVW/OHDMI(White)

C355RearCoverW/OTVW/HDMI(White)

C355RearCoverW/OTVW/OHDMI(White)

C355RearCoverW/TVW/HDMII(Red)

C355RearCoverW/TVW/OHDMI(Red)

C355RearCoverW/OTVW/HDMI(Red)

C355RearCoverW/OTVW/OHDMI(Red)

C340SlideCoverW/TVW/HDMI(Black）

C340SlideCoverW/TVW/OHDMI(Black）

C340SlideCoverW/OTVW/HDMI(Black）

C340SlideCoverW/OTVW/OHDMI(Black）

C340SlideCoverW/TVW/HDMI(White）

C340SlideCoverW/TVW/OHDMI(White）

C340SlideCoverW/OTVW/HDMI(White）

C340SlideCoverW/OTVW/OHDMI(White）

C355SlideCoverW/TVW/HDMI(Red)

C355SlideCoverW/TVW/OHDMI(Red)

C355SlideCoverW/OTVW/HDMI(Red)

C355SlideCoverW/OTVW/OHDMI(Red)

C340ODDBEZEL（BLACK）

C340ODDBEZEL（WHITE）

C355ODDBezel(Red)

C340ODDCOVER

C340ODDLATCH

C340ST AND（TOP)

C340ST AND(BOTTOM)

C340SETSHIELDINGFORMB

C340CAMERABRACKET

90203391N

90203392N

90203393N

90203397N

90203399N

90203400N

90203401N

90203402N

90203403N

90203404N

90203405N

90203406N

90203407N

90203408N

90203409N

90203410N

90201415N

90201416N

90201417N

90201418N

90201419N

90201420N

90201421N

90201422N

90203423N

90203424N

90203425N

90203426N

90201441N

90201442N

90203437N

90201446N

90201449N

90201423N 22

90201424N

90201450N

90201440N

3HDDbracketB540HDDBracket90200894N

C355CameraRubber

90203438N

Chapter9.FRUlists-C35559

7

CablesCables

AntennaAntenna

13

Speaker

2GB

4GB

6GB(2G+4G)

8GB(2*4G)

8GB

C340SpeakerSUMSANGW/HOUSING(*2)

C340SpeakerKuaidaW/HOUSING(*2）

C355AUO&CMIConvertertoPanelCable

C355SAMConvertertoPanelCable

C355ConvertertoMBcable

C355120WDCincable

C355B-casecable

C340LVDScable

C340Webcamcable

C340ODDSATAcable

C340HDDSATAcable

C340Functionboardcable

C340Powerboardcable

C340TVtunerCableForFtype

C340TVtunerCableForIECtype

C340WlanAntena

M471B5773DH0-YK011006422

HMT425S6AFR6A-PB

MT8KTF25664HZ-1G6M1

Elp_RJ2108EDBG-GN-F2GBD3L -1600SMEMORY

Mic_SD9PF J2GBD3L-1600SMEMORY

M471B5273DH0-YK011006372

HMT451S6AFR8A-PB

MT8KTF51264HZ-1G6J1

Elp_RJ4208EBBG-GN-F4GBD3L -1600SMEMORY

Mic_SD9QVG4GBD3L-1600SMEMORY

M471B5773DH0-YK011006422

M471B5273DH0-YK011006372

HMT425S6AFR6A-PB

HMT451S6AFR8A-PB

Elp_RJ2108EDBG-GN-F2GBD3L -1600SMEMORY

Elp_RJ4208EBBG-GN-F4GBD3L -1600SMEMORY

M471B5273DH0-YK011006372

HMT451S6AFR8A-PB

MT8KTF51264HZ-1G6J1

Elp_RJ4208EBBG-GN-F4GBD3L -1600SMEMORY

Mic_SD9QVG4GBD3L-1600SMEMORY

6-Mar-1411009072

11-Apr-1411009432

90201451N

90201452N

90203431N

90203432N

90203434N

90203435N

90203436N

90201426N

90201427N

90201428N

90201429N

90201430N

90201431N

90201453N

90201454N

90201425N

11006432

11002282

11007502

11006832

11006382

11006392

11006402

11006722

11006432

11006382

11007502

11006402

11006382

11006392

11006402

11006722

60LenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

4

500GB

1TB

2TB

2Tray-inRambo

(12.7mm)

PSU

90Wpower
adapter

120Wpower
adapter

14Wi-Ficard

15

ATSCcard

ISDB-Tcard

FT ypeFT ypeNAN TVcable
and
Connector

IECT ypeIECT ype

IRremote
controller

RF_forJapan

11LEDPanel

CameraCamera_WIN8

WDXL500AWD5000AAKX-08ERMA0500GHDD-LH

SGTPharaoh4KST500DM002500GHDD-LH

WDXL1000SWD10EZEX-08RKKA01TBHDD-LH

SGTGrenadaBPST1000DM0031TBHDD-LH

3.5inchSA T A6G7.2KGrenadaBP1.51TB

SGTGrenadaBPST2000DM0012TBHDD-LH

3.5inchSA T A6G7.2KGrenadaBP1.52TB

HLDSGT80NSlimSA TARambo光驱无面板-LH

PLDSDS-8A9SHSlimT rayRambo无面板-LH

TSSTSN-208DBSlimRambo光驱无面板-LH

DELTAADP-90XDBC90Wcommonadapter®

LiteonP A-1900-72IA90wcommonadapter®

162002472

162001782

162002922

162002932

162005282

162002942

162005292

252090152

252090162

252090142

36200415N

36200416N

DELTAADP-120ZBBBHTcommon120Wadapter36200439N

LiteonP A-1121-04LB120wcommonadapter36200440N

CBTAR948511nHMCWiFicard

LTNRTL8188EE11nHMCWiFicard

AvermediaH334DVB- TMiniTVCard

AvermediaH339BBDVB-TMiniTVCard

AvermediaH334A TSCMiniTVCard

AvermediaH339BAA TSCMiniTVCard

AvermediaA370ISDB-TMINI-PCIETVCARD

ICB3TVlable_Japan(C/L)(R)

B-CASCardFlyerV1.0(JP)®

B-cas地上波CA卡

11200354N

20200218N

11201071N DVB-Tcard

11200290N

11201072N

11200291N

11201894N

31044061N

31500765N

11012250N

NAN

PhilipsWin8IRremotecontroller--Black8.89E+081 IRcontroller

PhilipsWin8IRremotecontroller--White8.89E+081

ChiconyRC-120954keyRCFORWin8

ChiconyRG-1217DongleforWin8

LTM200KT10-M01/M02

M200FGE-L20

SamsungL TM200KT12-M01/M02/L01/L02

CCYM720PVCOV9712CAM

BisonM720PVC9712NLNCCAM

8.89E+081

8.89E+081

90400104N

90400189N

90400190N

20200086N

20200528N

Chapter9.FRUlists-C35561

Mouse

Keyboard

USBMouse

WirelessMouse

GestureMouse

USBKeyvboard

LiteonLXH-SM-8825BlackSilkMouse-LVT

ChiconyLXH-MSU-1111BlackSilkMouse-LVT

SunrexLXH-EMS-10ZABlackSilkMouse-L VT

LiteonLXH-SM-8825W-SilkMouse

SunrexLXH-EMS-10ZAW-SilkMouse

SunrexEMS-10ZARED-SilkUSBMouse

LiteonSM-8861(WW)MouseBlack

LiteonSM-8861Mouse(NoBattery)Black

LiteonSM-8861Mouse(MY)Black

LiteonSM-8861(JP)Mouse-Black

LiteonSM-8861(WW)2.4GMouseWhite

LiteonSM-88612.4GMouse(NoBattery)WTE

LiteonSM-88612.4GMouse(MY)White

LiteonSM-88612.4GMouse(JP)White

PrimaxM300USBgesturemouseWHT

PrimaxM300USBgesturemouseBLK

ChiconyTGR12262.4GtouchpadBLKnal

ChiconyTGR12262.4GtouchpadWHTnal

SunrexEKB-10YA(US)B-SilkUSBKB-LVT8

PrimaxKB4721(US)B-SilkUSBKB-LVT8

ChiconyKU-1153(US)B-SilkUSBKB-LVT8

SunrexEKB-10YA(TW)B-SilkUSBKB-LVT8

SunrexEKB-10YA(TH)B-SilkUSBKB-LVT8

SunrexEKB-10YA(CZ-SL)B-SUSBKB-LVT8

SunrexEKB-10YA(IN)B-SilkUSBKB-LVT8

SunrexEKB-10YA(RU)B-SilkUSBKB-LVT8

SunrexEKB-10YA(UK)B-SilkUSBKB-LVT8

SunrexEKB-10YA(Nordic)B-SUSBKB-LVT8

SunrexEKB-10YA(LA)B-SilkUSBKB-LVT8

SunrexEKB-10YA(AR)B-SilkUSBKB-LVT8

SunrexEKB-10YA(SW)B-SilkUSBKB-LVT8

SunrexEKB-10YA(GE)B-SilkUSBKB-LVT8

SunrexEKB-10YA(TR)B-SilkUSBKB-LVT8

SunrexEKB-10YA(SP)B-SilkUSBKB-LVT8

SunrexEKB-10YA(SL)B-SilkUSBKB-LVT8

SunrexEKB-10YA(IT)B-SilkUSBKB-LVT8

SunrexEKB-10YA(HB)B-SilkUSBKB-LVT8

SunrexEKB-10YA(FR)B-SilkUSBKB-LVT8

SunrexEKB-10YA(GK)B-SilkUSBKB-LVT8

SunrexEKB-10YA(HG)B-SilkUSBKB-LVT8

252005281

252005291

252005301

252010681

252013221

252107511

252034641

252034651

252034661

252057731

252110161

252110171

252110181

252110191

252139771

252138761

252129691 TouchpadTouchpad

252129701

252091111

252091121

252091131

252091141

252091151

252091161

252091171

252091181

252091191

252091201

252091211

252091221

252091231

252091241

252091251

252091261

252091271

252091281

252091291

252091301

252091311

252091321

62LenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

SunrexEKB-10YA(BG)B-SilkUSBKB-LVT8

SunrexEKB-10YA(HR)B-SilkUSBKB-LVT8

SunrexEKB-10YA(JP)B-SilkUSBKB-LVT8

SunrexEKB-10YA(EN-FR)B-SUSBKB-LVT8

SunrexEKB-10YA(PT)B-SilkUSBKB-LVT8

SunrexEKB-10YA(BE-EN)B-SUSBKB-LVT8

SunrexEKB-10YA(DU)B-SUSBKB-LVT8

SunrexEKB-10YA(US)W-SilkUSBKB-LVT8

PrimaxKB4721(US)W-SilkUSBKB-LVT8

SunrexEKB-10YA(TW)W-SilkUSBKB-LVT8

SunrexEKB-10YA(TH)W-SilkUSBKB-LVT8

SunrexEKB-10YA(CZ-SL)W-SUSBKB-LVT8

SunrexEKB-10YA(IN)W-SilkUSBKB-LVT8

SunrexEKB-10YA(RU)W-SilkUSBKB-LVT8

SunrexEKB-10YA(UK)W-SilkUSBKB-LVT8

SunrexEKB-10YA(Nordic)W-SUSBKB-LVT8

SunrexEKB-10YA(LA)W-SilkUSBKB-LVT8

SunrexEKB-10YA(AR)W-SilkUSBKB-LVT8

SunrexEKB-10YA(SW)W-SilkUSBKB-LVT8

SunrexEKB-10YA(GE)W-SilkUSBKB-LVT8

SunrexEKB-10YA(TR)W-SilkUSBKB-LVT8

SunrexEKB-10YA(SP)W-SilkUSBKB-LVT8

SunrexEKB-10YA(SL)W-SilkUSBKB-LVT8

SunrexEKB-10YA(IT)W-SilkUSBKB-LVT8

SunrexEKB-10YA(HB)W-SilkUSBKB-LVT8

SunrexEKB-10YA(FR)W-SilkUSBKB-LVT8

SunrexEKB-10YA(GK)W-SilkUSBKB-LVT8

SunrexEKB-10YA(HG)W-SilkUSBKB-LVT8

SunrexEKB-10YA(BG)W-SilkUSBKB-LVT8

SunrexEKB-10YA(HR)W-SilkUSBKB-LVT8

SunrexEKB-10YA(JP)W-SilkUSBKB-LVT8

SunrexEKB-10YA(EN-FR)W-SUSBKB-LVT8

SunrexEKB-10YA(PT)W-SilkUSBKB-LVT8

SunrexEKB-10YA(BE-EN)W-SUSBKB-LVT8

SunrexEKB-10YA(DU)W-SUSBKB-LVT8

LiteonSK-8861(US)2.4GKB-Black8

LiteonSK-8861(US-MY)2.4GKB-Black8

LiteonSK-8861(TW)2.4GKB-Black8

LiteonSK-8861(TH)2.4GKB-Black8

LiteonSK-8861(CS-SK)2.4GKB-Black8

252091331

252091341

252091351

252091361

252091371

252091381

252091391

252091451

252091461

252091471

252091481

252091491

252091501

252091511

252091521

252091531

252091541

252091551

252091561

252091571

252091581

252091591

252091601

252091611

252091621

252091631

252091641

252091651

252091661

252091671

252091681

252091691

252091701

252091711

252091721

252091751

252091761

252091771

252091781

252091791

Chapter9.FRUlists-C35563

WirelessKeyboard

LiteonSK-8861(US-IN)2.4GKB-Black8

LiteonSK-8861(RU)2.4GKB-Black8

LiteonSK-8861(GB)2.4GKB-Black8

LiteonSK-8861(Nordic)2.4GKB-Black8

LiteonSK-8861(LA)2.4GKB-Black8

LiteonSK-8861(LA-AR)2.4GKB-Black8

LiteonSK-8861(SA)2.4GKB-Black8

LiteonSK-8861(CH)2.4GKB-Black8

LiteonSK-8861(DE)2.4GKB-Black8

LiteonSK-8861(TR)2.4GKB-Black8

LiteonSK-8861(ES)2.4GKB-Black8

LiteonSK-8861(SL)2.4GKB-Black8

LiteonSK-8861(IT)2.4GKB-Black8

LiteonSK-8861(IL)2.4GKB-Black8

LiteonSK-8861(FR)2.4GKB-Black8

LiteonSK-8861(GR)2.4GKB-Black8

LiteonSK-8861(HU)2.4GKB-Black8

LiteonSK-8861(BG)2.4GKB-Black8

LiteonSK-8861(KR)2.4GKB-Black8

LiteonSK-8861(JP)2.4GKB-Black8

LiteonSK-8861(EN-FR)2.4GKB-Black8

LiteonSK-8861(PT)2.4GKB-Black8

LiteonSK-8861(BE-EN)2.4GKB-Black8

LiteonSK-8861(DU)2.4GKB-Black8

SunrexEKB-10YA(US)RED-SilkUSBKB-LVT8

LiteonSK-8861(US)2.4GKB-White8

LiteonSK-8861(US-MY)2.4GKB-White8

LiteonSK-8861(TW)2.4GKB-White8

LiteonSK-8861(TH)2.4GKB-White8

LiteonSK-8861(CS-SK)2.4GKB-White8

LiteonSK-8861(US-IN)2.4GKB-White8

LiteonSK-8861(RU)2.4GKB-White8

LiteonSK-8861(GB)2.4GKB-White8

LiteonSK-8861(Nordic)2.4GKB-White8

LiteonSK-8861(LA)2.4GKB-White8

LiteonSK-8861(LA-AR)2.4GKB-White8

LiteonSK-8861(SA)2.4GKB-White8

LiteonSK-8861(CH)2.4GKB-White8

LiteonSK-8861(DE)2.4GKB-White8

LiteonSK-8861(TR)2.4GKB-White8

252091801

252091811

252091821

252091831

252091841

252091851

252091861

252091871

252091881

252091891

252091901

252091911

252091921

252091931

252091941

252091951

252091961

252091971

252091981

252091991

252092001

252092011

252092021

252092031

252107501

252109871

252109881

252109891

252109901

252109911

252109921

252109931

252109941

252109951

252109961

252109971

252109981

252109991

252110001

252110011

64LenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

PowerCordPowerCord

LiteonSK-8861(ES)2.4GKB-White8

LiteonSK-8861(SL)2.4GKB-White8

LiteonSK-8861(IT)2.4GKB-White8

LiteonSK-8861(IL)2.4GKB-White8

LiteonSK-8861(FR)2.4GKB-White8

LiteonSK-8861(GR)2.4GKB-White8

LiteonSK-8861(HU)2.4GKB-White8

LiteonSK-8861(BG)2.4GKB-White8

LiteonSK-8861(KR)2.4GKB-White8

LiteonSK-8861(JP)2.4GKB-White8

LiteonSK-8861(EN-FR)2.4GKB-White8

LiteonSK-8861(PT)2.4GKB-White8

LiteonSK-8861(BE-EN)2.4GKB-White8

LiteonSK-8861(US-EU)2.4GKB-White8

longwellBlackSingle-end1.0m3wireULCSAPowerCable

Volex1mC5USPowerCable

Luxshare1.0mC5USPowerCable

longwellBlackSingle-end1.0mSAAPowerCable

Volex1mC5AustraliaPowerCable

Luxshare1.0mC5AustraliaPowerCable

Longwell1.0MC52pinJapanpowercord

Volex1.0MC52pinJapanpowercord

Luxshare1.0MC52pinJapanpowercord

GrandsunBlackSingle-end1.0m3wireCCCPowerCable(R)

Luxshare1.0MC5CCCPowerCable

Volex1mC5UKPowerCable

Luxshare1.0mC5UKPowerCable

longwellBlackSingle-end1.0mAST APowerCable

longwellBlackSingle-end1.0mVDEPowerCable

Volex1mC5EuropePowerCable

Luxshare1.0mC5EuropePowerCable

longwellBlackSingle-end1.0mIndiaPowerCable

Luxshare1.0mC5IndiaPowerCable

LongwellBlackSingle-end1.0mItalyC5PowerCable®

Luxshare1.0mC5ItalyPowerCable

Volex1mC5ItalyPowerCable

LongwellBlackSingle-end1.0mBrazilPowerCable®

Luxshare1.0mC5BrazilPowerCable

Volex1mC5BrazilPowerCable

LongwellBlackSingle-end1.0mArgentinaC5PowerCable®

252110021

252110031

252110041

252110051

252110061

252110071

252110081

252110091

252110101

252110111

252110121

252110131

252110141

252110151

310338571

310338581

310495171

310353971

310495001

310495201

315034231

315034241

315034251

310329531

310451471

310494961

315033521

310353961

310353321

310494971

310495181

310353951

315033531

310391041

315033591

310495041

310358281

315033571

310495051

310391001

Chapter9.FRUlists-C35565

Luxshare1.0mC5LAUSPowerCable

Volex1mC5LAUSPowerCable

LongwellBlackSingle-end1.0mDenmarkC5PowerCable®

Luxshare1.0mC5DenmarlPowerCable

Volex1mC5DenmarlPowerCable

LongwellBlackSingle-end1.0mSwitzerlandC5PowerCable®

Luxshare1.0mC5SwitzerlandPowerCable

Volex1mC5SwitzerlandPowerCable

LongwellBlackSingle-end1.0mIsraelC5PowerCable®

Luxshare1.0mC5IserealPowerCable

Volex1mC5IsraelPowerCable

LongwellBlackSingle-end1.0mTaiwanC5PowerCable®

Luxshare1.0mC5T aiwanPowerCable

Volex1mC5T aiwanPowerCable

LongwellBlackSingle-end1.0mKoreaC5PowerCable®

Luxshare1.0mC5KoreaPowerCable

Volex1mC5KoreaPowerCable

LongwellBlackSingle-end1.0mSAC5PowerCable®

Luxshare1.0mC5SAPowerCable

Volex1mC5SAPowerCable

315033561

310495071

310391011

315033601

310495031

310391031

315033611

310495081

310391071

315033621

310495021

310388851

315033541

310494991

310391061

315033581

310494981

310391051

315033551

310495011

66LenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

Chapter10.FRUlists-C455

1

2

3

7

8

9

10

11

12

14

13

15

16

17

18

19

20

21

22

5

6

4

Thischapterliststheinformationontheeldreplaceableunits(FRUs)forLenovoC455All-In-Onedesktop
computer.

Attention:BesuretoreadandunderstandallthesafetyinformationbeforereplacinganyFRUs.

Notes:FRUsthathavea1or2intheCRUcolumnareCustomerReplaceableUnits(CRUs).

•1–identiespartsthatarefairlysimpletoreplace,requiringfewornotools.

•2–identiespartsthatareslightlymoredifculttoreplace.

•N-identiespartsthatarenottobereplacedbythecustomer.

Item#Name

©CopyrightLenovo2013

PartDescription(English)

FRUPN

CRU
ID

67

18Motherboard

6

5

9

17

16

Systemfan

Heatsink

RearI/Omodule

B-CAScardreaderB540B-CasBoard

ConverterboardC355Converter

Mechanical

C355W8SUMACPU_E2-3000W/USB3.0MB

C355W8SGPU_1GCPU_A6-5200W/USB3.0MB

C355W8SGPU_1GCPU_A4-5000W/USB3.0MB

C355W8SUMACPU_A4-5000W/USB3.0MB

C355W8SGPU_1GCPU_E2-3000W/USB3.0MB

C355W8SUMACPU_E1-2500W/USB3.0MB

C355W8SGPU_1GCPU_E1-2500W/USB3.0MB

C355NOKUMACPU_E2-3000W/USB3.0MB

C355NOKGPU_1GCPU_A6-5200W/USB3.0MB

C355NOKGPU_1GCPU_A4-5000W/USB3.0MB

C355NOKUMACPU_A4-5000W/USB3.0MB

C355NOKGPU_1GCPU_E2-3000W/USB3.0MB

C355NOKUMACPU_E1-2500W/USB3.0MB

C355NOKGPU_1GCPU_E1-2500W/USB3.0MB

C355W8PUMACPU_E2-3000W/USB3.0MB

C355W8PGPU_1GCPU_A6-5200W/USB3.0MB

C355W8PGPU_1GCPU_A4-5000W/USB3.0MB

C355W8PUMACPU_A4-5000W/USB3.0MB

C355W8PGPU_1GCPU_E2-3000W/USB3.0MB

C355W8PUMACPU_E1-2500W/USB3.0MB

C355W8PGPU_1GCPU_E1-2500W/USB3.0MB

C355DeltaF AN

C355AVCFAN

C355SUNONFAN

C455AVCUMAthermal

C455CoolermasterUMAthermal

C455AVCDISthermal

C455CoolermasterDISthermal

C455RearIOBoardW/GPUW/TVW/HDMI

C455RearIOBoardW/GPUW/OTVW/HDMI

C455RearIOBoardW/GPUW/TVW/OHDMI

C455RearIOBoardW/GPUW/OTVW/OHDMI

C340POWER_LEDBoardW/IR

C340POWER_LEDBoardW/OIR

C340FunctionBoard

90003799N

90003800N

90003801N

90003802N

90003807N

90003808N

90003813N

90003814N

90004010N

90004011N

90004012N

90004013N

90004014N

90004015N

90004016N

90004017N

90004018N

90004019N

90004020N

90004021N

90004022N

90203380N

90203381N

90203382N

90203387N

90203388N

90203389N

90203390N

90003809N

90003810N

90003811N

90003812N

90000267N

90000630N

90001136N

90000631N

90003815N

68LenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

12Frontbezel

21Middilecover

20Footcover

C355FrontBezel(Black)

C355FrontBezel(White)

C355FrontBezel(Red)

C455RearCoverW/TVW/HDMI(Black)

C455RearCoverW/TVW/OHDMI(Black)

C455RearCoverW/OTVW/HDMI(Black)

C455RearCoverW/OTVW/OHDMI(Black)

C455RearCoverW/TVW/HDMI(White)

C455RearCoverW/TVW/OHDMI(White)

C455RearCoverW/OTVW/HDMI(White)

C455RearCoverW/OTVW/OHDMI(White)

C455RearCoverW/TVW/HDMII(Red)

C455RearCoverW/TVW/OHDMI(Red)

C455RearCoverW/OTVW/HDMI(Red)

C455RearCoverW/OTVW/OHDMI(Red)

C440SlideCoverW/TVW/HDMI(Black）

C440SlideCoverW/TVW/OHDMI(Black）

C440SlideCoverW/OTVW/HDMI(Black）

C440SlideCoverW/OTVW/OHDMI(Black）

C440SlideCoverW/TVW/HDMI(White）

C440SlideCoverW/TVW/OHDMI(White）

C440SlideCoverW/OTVW/HDMI(White）

C440SlideCoverW/OTVW/OHDMI(White）

C455SlideCoverW/TVW/HDMI(Red)

C455SlideCoverW/TVW/OHDMI(Red)

C455SlideCoverW/OTVW/HDMI(Red)

C455SlideCoverW/OTVW/OHDMI(Red)

C340CAMERABRACKET

C455CameraRubber

90203394N

90203395N

90203396N

90203411N

90203412N

90203413N

90203414N

90203415N

90203416N

90203417N

90203418N

90203419N

90203420N

90203421N

90203422N

90201468N

90201469N

90201470N

90201471N

90201472N

90201473N

90201474N

90201475N

90203427N

90203428N

90203429N

90203430N

90201440N

90203439N

3HDDbracketB540HDDBracket90200894N

90201441N

90201442N

90203437N

90201449N

90201482N

90201450N

90203398N

90201476N 22

90201424N

19EMIcover

10

C340ODDBEZEL（BLACK）

C340ODDBEZEL（WHITE）

C355ODDBezel(Red)

C340ODDLATCH

C440ODDCOVER

C340SETSHIELDINGFORMB

ChassisC455MiddleFrame

Stand

C440ST AND（TOP）

C340ST AND(BOTTOM)

Chapter10.FRUlists-C45569

7

13

Speaker

Cables

Antenna

2GB

4GB

6GB(2G+4G)

8GB(2*4G)

8GB

C340SpeakerSUMSANGW/HOUSING(*2)

C340SpeakerKuaidaW/HOUSING(*2）

C355AUO&CMIConvertertoPanelCable

C455LGConvertertoPanelCable

C355ConvertertoMBcable

C355120WDCincable

C355B-casecable

C340LVDScable

C340Webcamcable

C340ODDSATAcable

C340HDDSATAcable

C340Functionboardcable

C340Powerboardcable

C340TVtunerCableForFtype

C340TVtunerCableForIECtype

C340WlanAntena

M471B5773DH0-YK011006422

HMT425S6AFR6A-PB

MT8KTF25664HZ-1G6M1

Elp_RJ2108EDBG-GN-F2GBD3L -1600SMEMORY

Mic_SD9PF J2GBD3L-1600SMEMORY

M471B5273DH0-YK011006372

HMT451S6AFR8A-PB

MT8KTF51264HZ-1G6J1

Elp_RJ4208EBBG-GN-F4GBD3L -1600SMEMORY

Mic_SD9QVG4GBD3L-1600SMEMORY

M471B5773DH0-YK011006422

M471B5273DH0-YK011006372

HMT425S6AFR6A-PB

HMT451S6AFR8A-PB

Elp_RJ2108EDBG-GN-F2GBD3L -1600SMEMORY

Elp_RJ4208EBBG-GN-F4GBD3L -1600SMEMORY

M471B5273DH0-YK011006372

HMT451S6AFR8A-PB

MT8KTF51264HZ-1G6J1

Elp_RJ4208EBBG-GN-F4GBD3L -1600SMEMORY

Mic_SD9QVG4GBD3L-1600SMEMORY

6-Mar-1411009072

11-Apr-1411009432

90201451N

90201452N

90203431N

90203433N

90203434N

90203435N

90203436N

90201426N

90201427N

90201428N

90201429N

90201430N

90201431N

90201453N

90201454N

90201425N

11006432

11002282

11007502

11006832

11006382

11006392

11006402

11006722

11006432

11006382

11007502

11006402

11006382

11006392

11006402

11006722

70LenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

4

500GB

1TB

2TB

2Tray-inRambo

(12.7mm)

PSU

90Wpower

adapter

120Wpower

adapter

14WLAN

15

ATSCcard

ISDB-Tcard

FT ypeFT ypeNAN TVcable
and
Connector

IECT ypeIECT ype

IRremote
controller

RF_forJapan

11LEDPanel

CameraCamera_WIN8

WDXL500AWD5000AAKX-08ERMA0500GHDD-LH

SGTPharaoh4KST500DM002500GHDD-LH

WDXL1000SWD10EZEX-08RKKA01TBHDD-LH

SGTGrenadaBPST1000DM0031TBHDD-LH

3.5inchSA T A6G7.2KGrenadaBP1.51TB

SGTGrenadaBPST2000DM0012TBHDD-LH

3.5inchSA T A6G7.2KGrenadaBP1.52TB

HLDSGT80NSlimSA TARambo光驱无面板-LH

PLDSDS-8A9SHSlimT rayRambo无面板-LH

TSSTSN-208DBSlimRambo光驱无面板-LH

DELTAADP-90XDBC90Wcommonadapter®

LiteonP A-1900-72IA90wcommonadapter®

162002472

162001782

162002922

162002932

162005282

162002942

162005292

252090152

252090162

252090142

36200415N

36200416N

DELTAADP-120ZBBBHTcommon120Wadapter36200439N

LiteonP A-1121-04LB120wcommonadapter36200440N

CBTAR948511nHMCWiFicard

LTNRTL8188EE11nHMCWiFicard

AvermediaH334DVB- TMiniTVCard

AvermediaH339BBDVB-TMiniTVCard

AvermediaH334A TSCMiniTVCard

AvermediaH339BAA TSCMiniTVCard

AvermediaA370ISDB-TMINI-PCIETVCARD

ICB3TVlable_Japan(C/L)(R)

B-CASCardFlyerV1.0(JP)®

B-cas地上波CA卡

11200354N

20200218N

11201071N DVB-Tcard

11200290N

11201072N

11200291N

11201894N

31044061N

31500765N

11012250N

NAN

PhilipsWin8IRremotecontroller--Black8889000061 IRcontroller

PhilipsWin8IRremotecontroller--White8889000071

ChiconyRC-120954keyRCFORWin8

ChiconyRG-1217DongleforWin8

LGLM215WF4-TLG1

CMIM215HGE-L21

AUOM215HTN01.1

CCYM720PVCOV9712CAM

BisonM720PVC9712NLNCCAM

8889000091

8889000101

90400106N

90400191N

90400107N

20200086N

20200528N

Chapter10.FRUlists-C45571

Mouse

Keyboard

USBMouse

WirelessMouse

GestureMouse

USBKeyvboard

LiteonLXH-SM-8825BlackSilkMouse-LVT

ChiconyLXH-MSU-1111BlackSilkMouse-LVT

SunrexLXH-EMS-10ZABlackSilkMouse-L VT

LiteonLXH-SM-8825W-SilkMouse

SunrexLXH-EMS-10ZAW-SilkMouse

SunrexEMS-10ZARED-SilkUSBMouse

LiteonSM-8861(WW)MouseBlack

LiteonSM-8861Mouse(NoBattery)Black

LiteonSM-8861Mouse(MY)Black

LiteonSM-8861(JP)Mouse-Black

LiteonSM-8861(WW)2.4GMouseWhite

LiteonSM-88612.4GMouse(NoBattery)WTE

LiteonSM-88612.4GMouse(MY)White

LiteonSM-88612.4GMouse(JP)White

PrimaxM300USBgesturemouseWHT

PrimaxM300USBgesturemouseBLK

ChiconyTGR12262.4GtouchpadBLKnal

ChiconyTGR12262.4GtouchpadWHTnal

SunrexEKB-10YA(US)B-SilkUSBKB-LVT8

PrimaxKB4721(US)B-SilkUSBKB-LVT8

ChiconyKU-1153(US)B-SilkUSBKB-LVT8

SunrexEKB-10YA(TW)B-SilkUSBKB-LVT8

SunrexEKB-10YA(TH)B-SilkUSBKB-LVT8

SunrexEKB-10YA(CZ-SL)B-SUSBKB-LVT8

SunrexEKB-10YA(IN)B-SilkUSBKB-LVT8

SunrexEKB-10YA(RU)B-SilkUSBKB-LVT8

SunrexEKB-10YA(UK)B-SilkUSBKB-LVT8

SunrexEKB-10YA(Nordic)B-SUSBKB-LVT8

SunrexEKB-10YA(LA)B-SilkUSBKB-LVT8

SunrexEKB-10YA(AR)B-SilkUSBKB-LVT8

SunrexEKB-10YA(SW)B-SilkUSBKB-LVT8

SunrexEKB-10YA(GE)B-SilkUSBKB-LVT8

SunrexEKB-10YA(TR)B-SilkUSBKB-LVT8

SunrexEKB-10YA(SP)B-SilkUSBKB-LVT8

SunrexEKB-10YA(SL)B-SilkUSBKB-LVT8

SunrexEKB-10YA(IT)B-SilkUSBKB-LVT8

SunrexEKB-10YA(HB)B-SilkUSBKB-LVT8

SunrexEKB-10YA(FR)B-SilkUSBKB-LVT8

SunrexEKB-10YA(GK)B-SilkUSBKB-LVT8

SunrexEKB-10YA(HG)B-SilkUSBKB-LVT8

252005281

252005291

252005301

252010681

252013221

252107511

252034641

252034651

252034661

252057731

252110161

252110171

252110181

252110191

252139771

252138761

252129691 TouchpadTouchpad

252129701

252091111

252091121

252091131

252091141

252091151

252091161

252091171

252091181

252091191

252091201

252091211

252091221

252091231

252091241

252091251

252091261

252091271

252091281

252091291

252091301

252091311

252091321

72LenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

SunrexEKB-10YA(BG)B-SilkUSBKB-LVT8

SunrexEKB-10YA(HR)B-SilkUSBKB-LVT8

SunrexEKB-10YA(JP)B-SilkUSBKB-LVT8

SunrexEKB-10YA(EN-FR)B-SUSBKB-LVT8

SunrexEKB-10YA(PT)B-SilkUSBKB-LVT8

SunrexEKB-10YA(BE-EN)B-SUSBKB-LVT8

SunrexEKB-10YA(DU)B-SUSBKB-LVT8

SunrexEKB-10YA(US)W-SilkUSBKB-LVT8

PrimaxKB4721(US)W-SilkUSBKB-LVT8

SunrexEKB-10YA(TW)W-SilkUSBKB-LVT8

SunrexEKB-10YA(TH)W-SilkUSBKB-LVT8

SunrexEKB-10YA(CZ-SL)W-SUSBKB-LVT8

SunrexEKB-10YA(IN)W-SilkUSBKB-LVT8

SunrexEKB-10YA(RU)W-SilkUSBKB-LVT8

SunrexEKB-10YA(UK)W-SilkUSBKB-LVT8

SunrexEKB-10YA(Nordic)W-SUSBKB-LVT8

SunrexEKB-10YA(LA)W-SilkUSBKB-LVT8

SunrexEKB-10YA(AR)W-SilkUSBKB-LVT8

SunrexEKB-10YA(SW)W-SilkUSBKB-LVT8

SunrexEKB-10YA(GE)W-SilkUSBKB-LVT8

SunrexEKB-10YA(TR)W-SilkUSBKB-LVT8

SunrexEKB-10YA(SP)W-SilkUSBKB-LVT8

SunrexEKB-10YA(SL)W-SilkUSBKB-LVT8

SunrexEKB-10YA(IT)W-SilkUSBKB-LVT8

SunrexEKB-10YA(HB)W-SilkUSBKB-LVT8

SunrexEKB-10YA(FR)W-SilkUSBKB-LVT8

SunrexEKB-10YA(GK)W-SilkUSBKB-LVT8

SunrexEKB-10YA(HG)W-SilkUSBKB-LVT8

SunrexEKB-10YA(BG)W-SilkUSBKB-LVT8

SunrexEKB-10YA(HR)W-SilkUSBKB-LVT8

SunrexEKB-10YA(JP)W-SilkUSBKB-LVT8

SunrexEKB-10YA(EN-FR)W-SUSBKB-LVT8

SunrexEKB-10YA(PT)W-SilkUSBKB-LVT8

SunrexEKB-10YA(BE-EN)W-SUSBKB-LVT8

SunrexEKB-10YA(DU)W-SUSBKB-LVT8

LiteonSK-8861(US)2.4GKB-Black8

LiteonSK-8861(US-MY)2.4GKB-Black8

LiteonSK-8861(TW)2.4GKB-Black8

LiteonSK-8861(TH)2.4GKB-Black8

LiteonSK-8861(CS-SK)2.4GKB-Black8

252091331

252091341

252091351

252091361

252091371

252091381

252091391

252091451

252091461

252091471

252091481

252091491

252091501

252091511

252091521

252091531

252091541

252091551

252091561

252091571

252091581

252091591

252091601

252091611

252091621

252091631

252091641

252091651

252091661

252091671

252091681

252091691

252091701

252091711

252091721

252091751

252091761

252091771

252091781

252091791

Chapter10.FRUlists-C45573

WirelessKeyboard

LiteonSK-8861(US-IN)2.4GKB-Black8

LiteonSK-8861(RU)2.4GKB-Black8

LiteonSK-8861(GB)2.4GKB-Black8

LiteonSK-8861(Nordic)2.4GKB-Black8

LiteonSK-8861(LA)2.4GKB-Black8

LiteonSK-8861(LA-AR)2.4GKB-Black8

LiteonSK-8861(SA)2.4GKB-Black8

LiteonSK-8861(CH)2.4GKB-Black8

LiteonSK-8861(DE)2.4GKB-Black8

LiteonSK-8861(TR)2.4GKB-Black8

LiteonSK-8861(ES)2.4GKB-Black8

LiteonSK-8861(SL)2.4GKB-Black8

LiteonSK-8861(IT)2.4GKB-Black8

LiteonSK-8861(IL)2.4GKB-Black8

LiteonSK-8861(FR)2.4GKB-Black8

LiteonSK-8861(GR)2.4GKB-Black8

LiteonSK-8861(HU)2.4GKB-Black8

LiteonSK-8861(BG)2.4GKB-Black8

LiteonSK-8861(KR)2.4GKB-Black8

LiteonSK-8861(JP)2.4GKB-Black8

LiteonSK-8861(EN-FR)2.4GKB-Black8

LiteonSK-8861(PT)2.4GKB-Black8

LiteonSK-8861(BE-EN)2.4GKB-Black8

LiteonSK-8861(DU)2.4GKB-Black8

SunrexEKB-10YA(US)RED-SilkUSBKB-LVT8

LiteonSK-8861(US)2.4GKB-White8

LiteonSK-8861(US-MY)2.4GKB-White8

LiteonSK-8861(TW)2.4GKB-White8

LiteonSK-8861(TH)2.4GKB-White8

LiteonSK-8861(CS-SK)2.4GKB-White8

LiteonSK-8861(US-IN)2.4GKB-White8

LiteonSK-8861(RU)2.4GKB-White8

LiteonSK-8861(GB)2.4GKB-White8

LiteonSK-8861(Nordic)2.4GKB-White8

LiteonSK-8861(LA)2.4GKB-White8

LiteonSK-8861(LA-AR)2.4GKB-White8

LiteonSK-8861(SA)2.4GKB-White8

LiteonSK-8861(CH)2.4GKB-White8

LiteonSK-8861(DE)2.4GKB-White8

LiteonSK-8861(TR)2.4GKB-White8

252091801

252091811

252091821

252091831

252091841

252091851

252091861

252091871

252091881

252091891

252091901

252091911

252091921

252091931

252091941

252091951

252091961

252091971

252091981

252091991

252092001

252092011

252092021

252092031

252107501

252109871

252109881

252109891

252109901

252109911

252109921

252109931

252109941

252109951

252109961

252109971

252109981

252109991

252110001

252110011

74LenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

PowerCordPowerCord

LiteonSK-8861(ES)2.4GKB-White8

LiteonSK-8861(SL)2.4GKB-White8

LiteonSK-8861(IT)2.4GKB-White8

LiteonSK-8861(IL)2.4GKB-White8

LiteonSK-8861(FR)2.4GKB-White8

LiteonSK-8861(GR)2.4GKB-White8

LiteonSK-8861(HU)2.4GKB-White8

LiteonSK-8861(BG)2.4GKB-White8

LiteonSK-8861(KR)2.4GKB-White8

LiteonSK-8861(JP)2.4GKB-White8

LiteonSK-8861(EN-FR)2.4GKB-White8

LiteonSK-8861(PT)2.4GKB-White8

LiteonSK-8861(BE-EN)2.4GKB-White8

LiteonSK-8861(US-EU)2.4GKB-White8

longwellBlackSingle-end1.0m3wireULCSAPowerCable

Volex1mC5USPowerCable

Luxshare1.0mC5USPowerCable

longwellBlackSingle-end1.0mSAAPowerCable

Volex1mC5AustraliaPowerCable

Luxshare1.0mC5AustraliaPowerCable

Longwell1.0MC52pinJapanpowercord

Volex1.0MC52pinJapanpowercord

Luxshare1.0MC52pinJapanpowercord

GrandsunBlackSingle-end1.0m3wireCCCPowerCable(R)

Luxshare1.0MC5CCCPowerCable

Volex1mC5UKPowerCable

Luxshare1.0mC5UKPowerCable

longwellBlackSingle-end1.0mAST APowerCable

longwellBlackSingle-end1.0mVDEPowerCable

Volex1mC5EuropePowerCable

Luxshare1.0mC5EuropePowerCable

longwellBlackSingle-end1.0mIndiaPowerCable

Luxshare1.0mC5IndiaPowerCable

LongwellBlackSingle-end1.0mItalyC5PowerCable®

Luxshare1.0mC5ItalyPowerCable

Volex1mC5ItalyPowerCable

LongwellBlackSingle-end1.0mBrazilPowerCable®

Luxshare1.0mC5BrazilPowerCable

Volex1mC5BrazilPowerCable

LongwellBlackSingle-end1.0mArgentinaC5PowerCable®

252110021

252110031

252110041

252110051

252110061

252110071

252110081

252110091

252110101

252110111

252110121

252110131

252110141

252110151

310338571

310338581

310495171

310353971

310495001

310495201

315034231

315034241

315034251

310329531

310451471

310494961

315033521

310353961

310353321

310494971

310495181

310353951

315033531

310391041

315033591

310495041

310358281

315033571

310495051

310391001

Chapter10.FRUlists-C45575

Luxshare1.0mC5LAUSPowerCable

Volex1mC5LAUSPowerCable

LongwellBlackSingle-end1.0mDenmarkC5PowerCable®

Luxshare1.0mC5DenmarlPowerCable

Volex1mC5DenmarlPowerCable

LongwellBlackSingle-end1.0mSwitzerlandC5PowerCable®

Luxshare1.0mC5SwitzerlandPowerCable

Volex1mC5SwitzerlandPowerCable

LongwellBlackSingle-end1.0mIsraelC5PowerCable®

Luxshare1.0mC5IserealPowerCable

Volex1mC5IsraelPowerCable

LongwellBlackSingle-end1.0mTaiwanC5PowerCable®

Luxshare1.0mC5T aiwanPowerCable

Volex1mC5T aiwanPowerCable

LongwellBlackSingle-end1.0mKoreaC5PowerCable®

Luxshare1.0mC5KoreaPowerCable

Volex1mC5KoreaPowerCable

LongwellBlackSingle-end1.0mSAC5PowerCable®

Luxshare1.0mC5SAPowerCable

Volex1mC5SAPowerCable

315033561

310495071

310391011

315033601

310495031

310391031

315033611

310495081

310391071

315033621

310495021

310388851

315033541

310494991

310391061

315033581

310494981

310391051

315033551

310495011

76LenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

Chapter11.Generalinformation

Thischapterprovidesgeneralinformationthatappliestoallcomputermodelscoveredbythismanual.

AdditionalServiceInformation

Thischapterprovidesadditionalinformationthattheservicerepresentativemightndhelpful.

Powermanagement

Powermanagementreducesthepowerconsumptionofcertaincomponentsofthecomputersuchasthe
systempowersupply,processor,harddiskdrives,andsomemonitors.

Advancedcongurationandpowerinterface(ACPI)BIOS

AsthiscomputerhasanACPIBIOSsystem,theoperatingsystemisallowedtocontrolthepower
managementfeaturesofthecomputerandthesettingsforAdvancedPowerManagement(APM)BIOSmode
isignored.NotalloperatingsystemssupportACPIBIOSmode.

AutomaticPower-Onfeatures

TheAutomaticPower-OnfeatureswithinthePowerManagementmenuallowyoutoenableanddisable
featuresthatturnonthecomputerautomatically.

•WakeUponAlarm:Youcanspecifyadateandtimeatwhichthecomputerwillbeturnedonautomatically.
Thiscanbeeitherasingleevent,adailyeventoraweeklyevent.

•WakeUponLAN:ThisfeatureallowsLANadaptercardtowaketheSystem.

©CopyrightLenovo2013

77