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LenovoC355/C455All-In-OneComputer

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 iii

ivLenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

Chapter1.Aboutthismanual

ThismanualcontainsserviceandreferenceinformationforLenovoC355andC455All-In-Onecomputers

listedonthecover.ItisintendedonlyfortrainedservicerswhoarefamiliarwithLenovocomputerproducts.

BeforeservicingaLenovoproduct,besuretoreadtheSafetyInformation.

ThedescriptionoftheTV-tunercardinthismanualappliesonlytocomputerswithaTV-tunercardinstalled.

ItdoesnotapplytocomputerswithoutaTV-tunercard.

ImportantSafetyInformation

BesuretoreadallCAUTIONandDANGERsectionsinthismanualbeforefollowinganyoftheinstructions.

VeuillezliretouteslesconsignesdetypeDANGERetATTENTIONduprésentdocumentavantd’exécuter

lesinstructions.

LesenSieunbedingtalleHinweisevomTyp“ACHTUNG”oder“VORSICHT”indieserDokumentation,bevor

SieirgendwelcheVorgängedurchführen

LeggereleistruzioniintrodottedaATTENZIONEePERICOLOpresentinelmanualeprimadieseguireuna

qualsiasidelleistruzioni

Certique-sedelertodasasinstruçõesdecuidadoeperigonestemanualantesdeexecutarqualquer

umadasinstruções

Esimportantequeleatodaslasdeclaracionesdeprecauciónydepeligrodeestemanualantesdeseguir

lasinstrucciones.

©CopyrightLenovo2013 1

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 3

–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 T oDisconnect

1.T urneverythingOFF.

2.First,attachallcablestodevices.

3.Attachsignalcablestoconnectors.

4.Attachpowercordstooutlet.

5.T urndeviceON.

1.T urneverythingOFF.

2.First,removepowercordsfromoutlets.

3.Removesignalcablesfromconnectors.

4.Removeallcablesfromdevices.

CAUTION:

Whenreplacingthelithiumbattery,useonlyPartNumber45C1566oranequivalenttypebattery

recommendedbythemanufacturer.Ifyoursystemhasamodulecontainingalithiumbattery,replace

itonlywiththesamemoduletypemadebythesamemanufacturer.Thebatterycontainslithiumand

canexplodeifnotproperlyused,handled,ordisposedof.

Donot:

•Throwintoorimmerseinwater

•Heattomorethan100°C(212°F)

•Repairordisassemble

Disposeofthebatteryasrequiredbylocalordinancesorregulations.

CAUTION:

Whenlaserproducts(suchasCD-ROMs,DVD-ROMdrives,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)

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.

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 9

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.

©CopyrightLenovo2013 11

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.Tovieworchange

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.

©CopyrightLenovo2013 13

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.TypethepasswordthenpresstheEnterkey.

4.Re-typethepasswordtoconrm,thenpresstheEnterkey.Ifyoutypedthepasswordcorrectly,

thepasswordwillbeinstalled.

TochangeanAdministratorPassword,dothefollowing:

1.StarttheLenovoBIOSSetupUtilityprogram(see“StartingtheLenovoBIOSSetupUtilityprogram”on

page13).

2.FromtheSecuritymenu,selectSetAdministratorPasswordandpresstheEnterkey.

3.Thepassworddialogboxwillbedisplayed.TypethecurrentpasswordthenpresstheEnterkey.

4.T ypethenewpassword,thenpresstheEnterkey.Re-typethepasswordtoconrmthenewpassword.

Ifyoutypedthenewpasswordcorrectly,thenewpasswordwillbeinstalled.ASetupNoticedconrming

thatchangeshavebeensavedwillbedisplayed.

TodeleteapreviouslysetAdministratorPassword,dothefollowing:

1.FromtheSecuritymenu,selectSetAdministratorPasswordandpresstheEnterkey.

2.Thepassworddialogboxwillbedisplayed.TypethecurrentpasswordandpresstheEnterkey.

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.Typethepassword,thenpresstheEnterkey.

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

TochangeaPower-OnPassword,dothefollowing:

1.StarttheLenovoBIOSSetupUtilityprogram(See”StartingtheLenovoBIOSSetupUtilityprogram”on

page13.)

2.FromtheSecuritymenu,selectSetPower-OnPasswordandpresstheEnterkey.

3.Thepassworddialogboxwillbedisplayed.TypethecurrentpasswordthenpresstheEnterkey.

4.Typethenewpassword,thenpresstheEnterkey.Re-typethepasswordtoconrmthenewpassword.

Ifyoutypedthenewpasswordcorrectly,thenewpasswordwillbeinstalled.ASetupNoticedconrming

thatchangeshavebeensavedwillbedisplayed.

TodeleteapreviouslysetPower-OnPassword,dothefollowing:

1.FromtheSecuritymenu,selectSetPower-OnPasswordandpresstheEnterkey.

2.Thepassworddialogboxwillbedisplayed.TypethecurrentpasswordandpresstheEnterkey.

3.TodeletethePower-OnPassword,leaveeachnewpasswordlineitemblank,thenpressEnter.ASetup

Noticeconrmingthatchangeshavebeensavedwillbedisplayed.

4.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.

5.SelectSavechangesandExitfromthemenu.

Enablingordisablingadevice

TheDevicesoptionsisusedtoenableordisableuseraccesstothefollowingdevices:

USBFunctionshertoenableordisableUSB(UniversalSerial

Bus)functions.Ifthefunctionsaredisabled,noUSB

devicescanbeused.

SATAMode WhenthisfeatureissettoDisabled,alldevices

connectedtotheSATAconnectors(e.g.harddiskdrives

ortheopticaldiskdrive)aredisabledandcannotbe

accessed.

OnboardAudioControllerSelectwhethertoenableordisabletheOnboard

AudioController.WhenthisfeatureissettoDisabled

alldevicesconnectedtotheaudioconnectors(e.g.

headphonesoramicrophone)aredisabledandcannot

beused.

OnboardEthernetControllerorLANBootAgentSelectwhethertoenableordisabletheOnboardEthernet

Controller,orselectwhethertoenableordisableload

onboardPXE(PrebootExecutionEnvironment).

Toenableordisableadevice,dothefollowing:

1.StarttheSetupUtilityprogram(see“StartingtheSetupUtilityprogram”onpage13).

2.FromtheSetupUtilityprogrammenu,selectDevices.

3.Selectanoptionasfollows:

SelectUSBSetup,presstheEnterkey,thenselectUSBFunctions.

Chapter5.UsingtheSetupUtility15

SelectATADeviceSetup,presstheEnterkey,thenselectSATAMode.

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.Turnoffyourcomputer.

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 FRU/Action

Thestartupdriveisnotincludedinthebootsequence

conguration.

Checkthecongurationandensurethestartupdriveis

inthebootsequence.

Nooperatingsystemisinstalledonthebootdrive.Installanoperatingsystemonthebootdrive.

Thebootsectoronthestartupdriveiscorrupted. Thedrivemustbeformatted.Dothefollowing:

1.Attempttobackupthedataonthefailingharddisk

drive.

2.Usetheoperatingsystemtoformattheharddisk

drive.

Thedriveisdefective. Replacetheharddiskdrive.

PowerSupplyProblems

Followtheseproceduresifyoususpectthereisapowersupplyproblem.

Check/Verify

Checkthatthefollowingareproperlyinstalled:

•PowerCord

•On/OffSwitchconnector

•SystemBoardPowerSupplyconnectors

•Microprocessorconnections

Reseatconnectors

Checkthepowercord.PowerCord

Checkthepower-onswitch.Power-onSwitch

©CopyrightLenovo2013 19

POSTerrorcodes

Eachtimeyouturnthecomputeron,itperformsaseriesofteststocheckthatthesystemisoperating

correctlyandthatcertainoptionsareset.ThisseriesoftestsiscalledthePower-OnSelf- T est,orPOST.

POSTdoesthefollowing:

•Checkssomebasicmotherboardoperations

•Checksthatthememoryisworkingcorrectly

•Startsvideooperations

•Veriesthatthebootdriveisworking

POSTErrorMessageescription/Action

Keyboarderror Cannotinitializethekeyboard.Makesurethekeyboard

isproperlyconnectedtothecomputerandthatnokeys

areheldpressedduringPOST.Topurposelycongure

thecomputerwithoutakeyboard,selectKeyboardless

operationinStartupandsettheoptiontoEnabled.The

BIOSthenignoresthemissingkeyboardduringPOST.

RebootandSelectproperBootdeviceorInsertBoot

MediainselectedBootdevice

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

Leftandrightview

Thefollowingillustrationshowsthelocationofconnectors,controlsandcomponentsontheleftandright

sideofthecomputer.

1.USBconnector 5.Memorycardreader

2.Headphoneconnector6.Powerbutton

3.Microphoneconnector 7.Opticaldriveejectbutton

4.USBconnectorve

Attention:Donotinsert3-inchdiscsintotheopticaldrive.

22LenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

Rearview

Thefollowingillustrationshowsthelocationofconnectorsandcomponentsontherearofthecomputer.

1.TVtunerconnector(selectedmodelsonly,2connectors

forJapan)

6.USBconnector

2.TVtunerconnector(selectedmodelsonly,2connectors

forJapan)

7.HDMI-outconnector(selectedmodelsonly)

3.Powerconnector 8.Securitycableslot

4.Ethernetconnector9.Airvents

5.USBconnector

Chapter7.Locatingconnectors,controlsandcomponents23

Hardwarecomponents

Thefollowingillustrationshowsthecomponentsthatmakeupyourcomputer.

1.Opticaldiskdrivebracket 12.Frontbezel

2.Opticaldiskdrive 13.Memorymodule

3.Harddiskdrivebracket14.Wi-Ficard

4.Harddiskdriveard

5.Heat-sink 16.Converterboard

6.Systemfan

7.Speakers 18.Motherboard

8.RearI/Omodulebracket 19.EMIcover

9.RearI/Omodule 20.Footcover

10.Chassis 21.Middlecover

11.LEDpanel 22.Computerstand

24LenovoC355/C455All-In-OneComputerHardwareMaintenanceManual

Identifyingpartsonthemotherboard

Themotherboard(sometimescalledtheplanarorsystemboard)isthemaincircuitboardinyourcomputer.

Itprovidesbasiccomputingfunctionsandsupportsavarietyofdevicesthatarefactory-installedorthat

youcaninstalllater.Thefollowingillustrationshowsthelocationofconnectorsandcomponentsonthe

frontofthemotherboard.

1.Cameraconnector0.DC-inconnector

2.Opticaldiskdrivepowerconnector11.RearI/Omoduleconnector

3.Systemfanconnector 12.TV- T unercardconnector

4.LVDSconnectorCAScardreaderconnector

5.OpticaldriveSATAconnector 14.Wi-Ficardconnector

6.Battery 15.Frontfunctionboardconnector

7.HarddiskdriveSATAconnector 16.Powercontrolconnector

8.Harddiskdrivepowerconnector 17.Speakerconnector

9.Converterconnector 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.Turnoffthepowertothesystemandallperipherals.

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:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

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:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

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

Replacingtheharddiskdrive

Attention:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

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

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:T urnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

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

Specyfikacje produktu

Marka:	Lenovo
Kategoria:	ambona
Model:	IdeaCentre C355
Kolor produktu:	Biały
Typ produktu:	All-in-One PC
Bluetooth:	Nie
Wbudowane głośniki:	Tak
Moc wyjściowa (RMS):	6 W
Wyjścia słuchawkowe:	1
Typ HD:	HD+
Długość przekątnej ekranu:	20 "
Prędkość transferu danych przez Ethernet LAN:	10,100,1000 Mbit/s
Ilość portów Ethernet LAN (RJ-45):	1
Rozdzielczość:	1600 x 900 px
Natywne proporcje obrazu:	16:9
Ekran dotykowy:	Nie
Taktowanie procesora:	1.4 GHz
Typ procesora:	AMD E
Model procesora:	E1-2500
Wi-Fi:	Tak
Standardy Wi- Fi:	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Liczba portów USB 2.0:	4
Przewodowa sieć LAN:	Tak
Zintegrowany czytnik kart:	Tak
Interfejs napędów pamięci masowej:	SATA
Producent procesora:	AMD
Liczba rdzeni procesora:	2
Typ pamięci wewnętrznej:	DDR3-SDRAM
Pamięć wewnętrzna:	2 GB
Ilość portów USB 3.2 Gen 1 (3.1 Gen 1) Typu-A:	2
Zainstalowany system operacyjny:	Windows 8
Typ slotów pamięci:	SO-DIMM
Maksymalna pojemność pamięci:	8 GB
Ilość portów HDMI:	1
Mikrofon:	Tak
Dołączona myszka:	Tak
Wbudowana kamera/aparat:	Tak
Szerokość urządzenia (z podstawą):	499 mm
Głębokość urządzenia (z podstawą):	196 mm
Wysokość urządzenia (z podstawą):	397 mm
Waga (z podstawą):	4900 g
Nośniki:	HDD
System dźwięku:	Dolby Advanced Audio v2
Wbudowany mikrofon:	Tak
Podświetlenie LED:	Tak
Suma megapikseli:	- MP
Pełny HD:	Nie
Szybkość HDD:	7200 RPM
Całkowita pojemność przechowywania:	500 GB
Technologia Intel® Hyper Threading (Intel® HT Technology):	Nie
Technologia Intel® Turbo Boost:	Nie
Interfejs HDD:	SATA
Typ pamięci procesora:	L2
Cache procesora:	1 MB
Liczba wątków:	2
Układ pamięci:	1 x 2 GB
Prędkość zegara pamięci:	1600 MHz
Karta graficzna on-board:	Tak
Model karty graficznej on-board:	AMD Radeon HD 8240
Typ zintegrowanej karty graficznej:	AMD Radeon HD 8000
Intel® Small Business Advantage (Intel® SBA):	Nie
Intel® Wireless Display (Intel® WiDi):	Nie
Technologia Intel® My WiFi (Intel® MWT):	Nie
Technologia Intel® Identity Protection (Intel® IPT):	Nie
Technologia Intel® Anti-Theft (Intel® AT):	Nie
Liczba zainstalowanych dysków:	1
Napędy optyczne:	DVD-RW
Architektura systemu operacyjnego:	64-bit
W zestawie klawiatura:	Tak
Technologia Intel® Smart Connect:	Nie
Technologia Intel® Rapid Start:	Nie
Technologia Intel® Smart Response:	Nie
Liczba zainstalowanych HDD:	1
Architektura 64-bitowa:	Tak
Tryb podtrzymania:	Nie
Rozdzielczość zdjęcia:	1280 x 720 px