Lenovo F0B2 [C20-30], F0B3 [C20-05], C20, ideaCentre F0B2 [C20-30], ideaCentre F0B3 [C20-05] Hardware Maintenance Manual

LenovoC20SeriesNon-TouchAll-In-OnePC
HardwareMaintenanceManual

ideaideaideaCentreidea

MachineTypes:F0B2[C20-30]/F0B3[C20-05]

LenovoC20SeriesNon-TouchAll-In-OnePC
HardwareMaintenanceManual

MachineTypes:F0B2[C20-30]/F0B3[C20-05]

FirstEdition(October2014)25th

©CopyrightLenovo2014,2015.

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

Specifications...............9

Chapter4.GeneralCheckout.....11

Chapter5.UsingtheSetupUtility...13

StartingtheLenovoBIOSSetupUtilityprogram.13

Viewingandchangingsettings........13

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

Enablingordisablingadevice........15

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

Changingbootingmode...........17

ExitingtheLenovoBIOSSetupUtilityprogram..17

Chapter6.Symptom-to-FRUIndex..19

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

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

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

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

Chapter7.Replacinghardware....21

Generalinformation.............21

Replacingthekeyboardandmouse......22

Replacingthepoweradapter.........22

Removingtherearcover...........24

Replacingtheharddiskdrive.........29

Replacingamemorymodule.........31

Replacingtheopticaldrive..........32

Replacingthesystemfan..........33

ReplacingtheWi-Ficard...........34

Replacingthespeakersystem........35

Replacingthepowerswitchboard.......36

Replacingthemotherboardortheheat-sink

module.................37

ReplacingtheI/OShielding..........39

Replacingthecamera............40

Replacingtheconverterboard........41

ReplacingtheLEDpanel...........42

Chapter8.FRUlists..........47

Chapter9.FRUlists..........57

Chapter10.AdditionalService

Information..............67

©CopyrightLenovo2014,2015

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ivLenovoC20SeriesNon- TouchAll-In-OnePCHardwareMaintenanceManual

Chapter1.Aboutthismanual

ThismanualcontainsserviceandreferenceinformationforLenovoC20-30/C20-05T ouchAll-In-One
computerlistedonthecover.ItisintendedonlyfortrainedservicerswhoarefamiliarwithLenovocomputer
products.

BeforeservicingaLenovoproduct,besuretoreadtheSafetyInformation.

ThedescriptionoftheTV-tunercardinthismanualappliesonlytocomputerswithaTV-tunercardinstalled.
ItdoesnotapplytocomputerswithoutaTV-tunercard.

ImportantSafetyInformation

BesuretoreadallCAUTIONandDANGERsectionsinthismanualbeforefollowinganyoftheinstructions.

VeuillezliretouteslesconsignesdetypeDANGERetA TTENTIONduprésentdocumentavantd’exécuter
lesinstructions.

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

LeggereleistruzioniintrodottedaA TTENZIONEePERICOLOpresentinelmanualeprimadieseguireuna
qualsiasidelleistruzioni

Certifique-sedelertodasasinstruçõesdecuidadoeperigonestemanualantesdeexecutarqualquer
umadasinstruções

Esimportantequeleatodaslasdeclaracionesdeprecauciónydepeligrodeestemanualantesdeseguir
lasinstrucciones.

©CopyrightLenovo2014,2015

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2LenovoC20SeriesNon- TouchAll-In-OnePCHardwareMaintenanceManual

Chapter2.Safetyinformation

Thischaptercontainsthesafetyinformationthatyouneedtobefamiliarwithbeforeservicingacomputer.

Generalsafety

Followtheserulestoensuregeneralsafety:

•Keeptheareasaroundthecomputerclearandcleanduringandaftermaintenance.

•Whenliftinganyheavyobject:

1.Ensureyoucanstandsafelywithoutslipping.

2.Distributetheweightoftheobjectequallyacrossbothfeet.

3.Liftslowly.Nevermovesuddenlyortwistwhenyouattempttolift.

4.Liftbystandingorbypushingupwithyourlegmuscles;thisactionremovesthestrainfromthe
musclesinyourback.

Donotattempttoliftanyobjectsthatweighmorethan16kg(35lbs.)orobjectsthatyouthink
aretooheavyforyou.

•Donotperformanyactionthatwouldcreateahazardforthecustomer,orwouldmakethecomputer
unsafe.

•Beforeyoustartthecomputer,ensurethatotherservicerepresentativesandcustomerpersonnelarenot
inapositionthatwouldcreateahazardforthem.

•Placeremovedcoversandotherpartsinasafeplace,awayfromallpersonnel,whileyouareservicingthe
computer.

•Keepyourtoolcaseawayfromareasthatpeoplemaywalkthroughtoensureno-onetripsoverit.

•Donotwearlooseclothingthatcanbetrappedinthemovingpartsofamachine.Ensurethatyoursleeves
arefastenedorrolledupaboveyourelbows.Ifyourhairislong,tieorfastenitback.

•Inserttheendsofyournecktieorscarfinsideclothingorfastenitwithanonconductiveclip,approximately
8centimeters(3inches)fromtheend.

•Donotwearjewelry,chains,metal-frameeyeglasses,ormetalfastenersforyourclothing.
Remember:Metalobjectsaregoodelectricalconductors.

•Wearsafetyglasseswhenyouare:hammering,drillingsoldering,cuttingwire,attachingsprings,using
solvents,orworkinginanyotherconditionsthatmightbehazardoustoyoureyes.

•Afterservice,reinstallallsafetyshields,guards,labels,andgroundwires.Replaceanysafetydevice
thatiswornordefective.

•Reattachallcoverscorrectlybeforereturningthecomputertothecustomer.

Electricalsafety

CAUTION:
Electricalcurrentfrompower,telephone,andcommunicationcablescanbehazardous.T oavoid
personalinjuryorequipmentdamage,disconnectanyattachedpowercords,telecommunication
cables,networkcables,andmodemcablesbeforeyouopenthecomputercovers,unlessinstructed
otherwiseintheinstallationandconfigurationprocedures.

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Observethefollowingruleswhenworkingonelectricalequipment.

Important:Useonlyapprovedtoolsandtestequipment.Somehandtoolshavehandlescoveredwithasoft
materialthatdoesnotinsulateyouwhenworkingwithliveelectricalcurrents.Manycustomershaverubber
floormatsneartheirequipmentthatcontainsmallconductivefiberstodecreaseelectrostaticdischarge.

•Findtheroomemergencypower-off(EPO)switch,disconnectingswitch,orelectricaloutlet.Ifanelectrical
accidentoccurs,youcanthenoperatetheswitchorunplugthepowercordquickly.

•Donotworkaloneunderhazardousconditionsornearequipmentthathashazardousvoltages.

•Disconnectallpowerbefore:

–Performingamechanicalinspection

–Workingnearpowersupplies

–RemovingorinstallingFieldReplaceableUnits(FRUs)

•Beforeyoustarttoworkonthecomputer,unplugthepowercord.Ifyoucannotunplugit,askthe
customertopower-offtheelectricaloutletthatsuppliespowertothemachineandtolocktheelectrical
outletintheoffposition.

•Ifyouneedtoworkonacomputerthathasexposedelectricalcircuits,observethefollowingprecautions:

–Ensurethatanotherperson,familiarwiththepower-offcontrols,isnearyou.

Remember:Anotherpersonmustbetheretoswitchoffthepower,ifnecessary.

–Useonlyonehandwhenworkingwithpowered-onelectricalequipment;keeptheotherhandinyour

pocketorbehindyourback.
Remember:Theremustbeacompletecircuittocauseelectricalshock.Byobservingtheaboverule,
youmaypreventacurrentfrompassingthroughyourbody.

–Whenusingatester,setthecontrolscorrectlyandusetheapprovedprobeleadsandaccessoriesfor

thattester.

–Standonsuitablerubbermats(obtainedlocally,ifnecessary)toinsulateyoufromgroundssuchas

metalfloorstripsandmachineframes.

Observethespecialsafetyprecautionswhenyouworkwithveryhighvoltages;theseinstructionsarein
thesafetysectionsofthemaintenanceinformation.Useextremecarewhenmeasuringhighvoltages.

•Regularlyinspectandmaintainyourelectricalhandtoolstoensuretheyaresafetouse.

•Donotusewornorbrokentoolsandtesters.

•Neverassumethatpowerhasbeendisconnectedfromacircuit.First,checkthatithasbeenpoweredoff.

•Alwayslookcarefullyforpossiblehazardsinyourworkarea.Examplesofthesehazardsarewetfloors,
non-groundedpowerextensioncables,conditionsthatmaycauseorallowpowersurges,andmissing
safetygrounds.

•Donottouchliveelectricalcircuitswiththereflectivesurfaceofaplasticdentalmirror.Thissurfaceis
conductive,andtouchingalivecircuitcancausepersonalinjuryanddamagetothecomputer.

•Donotservicethefollowingpartswiththepoweronwhentheyareremovedfromtheirnormaloperating
positionsinacomputer:

–Powersupplyunits

–Pumps

–Blowersandfans

–Motorgenerators

andsimilarunits.(Thispracticeensurescorrectgroundingoftheunits.)

•Ifanelectricalaccidentoccurs:

–Usecaution;donotbecomeavictimyourself.

4LenovoC20SeriesNon- TouchAll-In-OnePCHardwareMaintenanceManual

–Switchoffpower.

–Sendanotherpersontogetmedicalaid.

Safetyinspectionguide

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

Ifanyhazardsarepresent,youmustdeterminehowserioustheapparenthazardcouldbeandwhetheryou
cancontinuewithoutfirstresolvingtheproblem.

Considerthefollowingitemsandthesafetyhazardstheypresent:

•Electricalhazards,especiallyprimarypower(primaryvoltageontheframecancauseseriousorfatal
electricalshock).

•Explosivehazards,suchasadamagedCRTfaceorbulgingcapacitor

•Mechanicalhazards,suchaslooseormissinghardware

Theguideconsistsofaseriesofstepspresentedasachecklist.Beginthecheckswiththepoweroff,and
thepowercorddisconnected.

Checklist:

1.Checkexteriorcoversfordamage(loose,broken,orsharpedges).

2.Power-offthecomputer.Disconnectthepowercord.

3.Checkthepowercordfor:

a.Athird-wiregroundconnectoringoodcondition.Useametertomeasurethird-wireground

continuityfor0.1ohmorlessbetweentheexternalgroundpinandframeground.

b.Thepowercordshouldbetheappropriatetypeasspecifiedinthepartslistings.

c.Insulationmustnotbefrayedorworn.

4.Removethecover.

5.Checkforanyobviousalterations.Usegoodjudgmentastothesafetyofanyalterations.

6.Checkinsidetheunitforanyobvioushazards,suchasmetalfilings,contamination,waterorother
liquids,orsignsoffireorsmokedamage.

7.Checkforworn,frayed,orpinchedcables.

8.Checkthatthepower-supplycoverfasteners(screwsorrivets)havenotbeenremovedortamperedwith.

Handlingelectrostaticdischarge-sensitivedevices

Anycomputerpartcontainingtransistorsorintegratedcircuits(ICs)shouldbeconsideredsensitiveto
electrostaticdischarge(ESD).ESDdamagecanoccurwhenthereisadifferenceinchargebetweenobjects.
ProtectagainstESDdamagebyequalizingthechargesothatthecomputer,thepart,theworkmat,andthe
personhandlingthepartareallatthesamecharge.

Notes:

1.Useproduct-specificESDprocedureswhentheyexceedtherequirementsnotedhere.

2.MakesurethattheESDprotectivedevicesyouusehavebeencertified(ISO9000)asfullyeffective.

WhenhandlingESD-sensitiveparts:

Chapter2.Safetyinformation5

•Keepthepartsinprotectivepackagesuntiltheyareinsertedintotheproduct.

•Avoidcontactwithotherpeoplewhilehandlingthepart.

•Wearagroundedwriststrapagainstyourskintoeliminatestaticonyourbody.

•Preventthepartfromtouchingyourclothing.Mostclothingisinsulativeandretainsachargeeven
whenyouarewearingawriststrap.

•Usetheblacksideofagroundedworkmattoprovideastatic-freeworksurface.Thematisespecially
usefulwhenhandlingESD-sensitivedevices.

•Selectagroundingsystem,suchasthoselistedbelow,toprovideprotectionthatmeetsthespecific
servicerequirement.

Note:TheuseofagroundingsystemisdesirablebutnotrequiredtoprotectagainstESDdamage.

–AttachtheESDgroundcliptoanyframeground,groundbraid,orgreen-wireground.

–UseanESDcommongroundorreferencepointwhenworkingonadouble-insulatedor

battery-operatedsystem.Youcanusecoaxorconnector-outsideshellsonthesesystems.

–Usetheroundground-prongoftheACplugonAC-operatedcomputers.

Groundingrequirements

Electricalgroundingofthecomputerisrequiredforoperatorsafetyandcorrectsystemfunction.Proper
groundingoftheelectricaloutletcanbeverifiedbyacertifiedelectrician.

Safetynotices

TheCAUTIONandDANGERsafetynoticesinthissectionareprovidedinthelanguageofEnglish.

DANGER

Electricalcurrentfrompower,telephoneandcommunicationcablesishazardous.

Toavoidashockhazard:

•Donotconnectordisconnectanycablesorperforminstallation,maintenance,orreconfiguration
ofthisproductduringanelectricalstorm.

•Connectallpowercordstoaproperlywiredandgroundedelectricaloutlet.

•Connectanyequipmentthatwillbeattachedtothisproducttoaproperlywiredoutlet.

•Whenpossible,useonehandonlytoconnectordisconnectsignalcables.

•Neverturnonanyequipmentwhenthereisevidenceoffire,water,orstructuraldamage.

•Disconnecttheattachedpowercords,telecommunicationscables,networkcables,andmodem

cablesbeforeyouopenthedevicecovers,unlessinstructedotherwiseintheinstallationand
configurationprocedures.

•Connectanddisconnectcablesasdescribedinthefollowingtablewheninstalling,moving,or
openingcoversonthisproductorattacheddevices.

6LenovoC20SeriesNon- TouchAll-In-OnePCHardwareMaintenanceManual

ToConnect

ToDisconnect

1.TurneverythingOFF .

2.First,attachallcablestodevices.

3.Attachsignalcablestoconnectors.

4.Attachpowercordstooutlet.

5.TurndeviceON.

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,fiberopticdevices,ortransmitters)are
installed,notethefollowing:

•Donotremovethecovers.Removingthecoversofthelaserproductcouldresultinexposureto
hazardouslaserradiation.Therearenoserviceablepartsinsidethedevice.

•Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthosespecifiedherein
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.

1

2

CAUTION:
Donotplaceanyobjectweighingmorethan82kg(180lbs.)ontopofrack-mounteddevices.

8LenovoC20SeriesNon- TouchAll-In-OnePCHardwareMaintenanceManual

Chapter3.Generalinformation

Thischapterprovidesgeneralinformationthatappliestoallcomputermodelscoveredbythismanual.

Specifications

Thissectionliststhephysicalspecificationsforyourcomputer.

Thissectionliststhephysicalspecificationsforyourcomputer.

TypeLenovoC20–30/20–05T ouchModels

Thissectionliststhephysicalspecifications.

Environment

Airtemperature:

Operating:10°to35°C

Transit:-20°to55°C

Humidity:

Operating:35%to80%

Transit:20%to90%(40°C)

Altitude:86KPato106KPa

Electricalinput:

Inputvoltage:90V-264V(AC)

Inputfrequency:47Hz-63Hz

©CopyrightLenovo2014,2015

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10LenovoC20SeriesNon- TouchAll-In-OnePCHardwareMaintenanceManual

Chapter4.GeneralCheckout

Attention:Thedrivesinthecomputeryouareservicingmighthavebeenrearrangedorthedrivestartup

sequencemayhavebeenchanged.Beextremelycarefulduringwriteoperationssuchascopying,saving,or
formatting.Dataorprogramscanbeoverwrittenifyouselectanincorrectdrive.

Generalerrormessagesappearifaproblemorconflictisfoundbyanapplication,theoperatingsystem,or
both.Foranexplanationofthesemessages,refertotheinformationsuppliedwiththatsoftwarepackage.

Usethefollowingproceduretohelpdeterminethecauseoftheproblem:

1.Power-offthecomputerandallexternaldevices.

2.Checkallcablesandpowercords.

3.Setalldisplaycontrolstothemiddleposition.

4.Power-onallexternaldevices.

5.Power-onthecomputer.

•Lookfordisplayederrorcodes.

•Lookforreadableinstructionsoramainmenuonthedisplay.

Ifyoudidnotreceivethecorrectresponse,proceedtostep6.

Ifyoudidreceivethecorrectresponse,proceedtostep7.

6.Ifoneofthefollowinghappens,followtheinstructiongiven:

•IfthecomputerdisplaysaPOSTerror,goto“POSTerrorcodes” .

•Ifthecomputerhangsandnoerrorisdisplayed,continueatstep7.

7.Iftheteststopsandyoucannotcontinue,replacethelastdevicetested.

©CopyrightLenovo2014,2015

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12LenovoC20SeriesNon- TouchAll-In-OnePCHardwareMaintenanceManual

Chapter5.UsingtheSetupUtility

TheSetupUtilityprogramisusedtoviewandchangetheconfigurationsettingsofyourcomputer,regardless
ofwhichoperatingsystemyouareusing.However,theoperatingsystemsettingsmightoverrideanysimilar
settingsintheSetupUtilityprogram.

StartingtheLenovoBIOSSetupUtilityprogram

TostarttheLenovoBIOSSetupUtilityprogram,dothefollowing:

1.Ifyourcomputerisalreadyonwhenyoustartthisprocedure,shutdowntheoperatingsystemand
turnoffthecomputer.

2.PressandholdtheF1keythenturnonthecomputer.WhentheLenovoBIOSSetupUtilityprogramis
displayed,releasetheF1key.

Note:IfaPower-OnPasswordoranAdministratorPasswordhasbeenset,theSetupUtilityprogrammenu
willnotbedisplayeduntilyoutypeyourpassword.Formoreinformation,see“Usingpasswords.”

Viewingandchangingsettings

SystemconfigurationoptionsarelistedintheLenovoBIOSSetupUtilityprogrammenu.T ovieworchange
settings,see“StartingtheSetupUtilityprogram.”

YoumustusethekeyboardwhenusingtheLenovoBIOSSetupUtilitymenu.Thekeysusedtoperform
varioustasksaredisplayedonthebottomofeachscreen.

Usingpasswords

YoucanusetheLenovoBIOSSetupUtilityprogramtosetpasswordstopreventunauthorizedpersons
fromgainingaccesstoyourcomputeranddata.See“StartingtheSetupUtilityprogram. ”Thefollowing
typesofpasswordsareavailable:

•AdministratorPassword

•Power-OnPassword

Youdonothavetosetanypasswordstouseyourcomputer.However,ifyoudecidetosetpasswords,read
thefollowingsections.

Passwordconsiderations

Apasswordcanbeanycombinationoflettersandnumbersupto16characters(a-zand0-9).Forsecurity
reasons,itisagoodideatouseastrongpasswordthatcannotbeeasilycompromised.Wesuggestthat
passwordsshouldfollowtheserules:

•Forastrongpassword,use7-16charactersandamixoflettersandnumbers.

•Donotuseyournameoryourusername.

•Donotuseacommonwordoracommonname.

•Usesomethingsignificantlydifferentfromyourpreviouspassword.

Attention:AdministratorandPower-Onpasswordsarenotcasesensitive.

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AdministratorPassword

SettinganAdministratorPassworddetersunauthorizedpersonsfromchangingconfigurationsettings.Y ou
mightwanttosetanAdministratorPasswordifyouareresponsibleformaintainingthesettingsofseveral
computers.

AfteryousetanAdministratorPassword,apasswordpromptisdisplayedeverytimeyouaccesstheLenovo
BIOSSetupUtilityprogram.

IfboththeAdministratorandPower-OnPasswordareset,youcantypeeitherpassword.However,youmust
useyourAdministratorPasswordtochangeanyconfigurationsettings.

Setting,changing,ordeletinganAdministratorPassword

TosetanAdministratorPassword,dothefollowing:

Note:Apasswordcanbeanycombinationoflettersandnumbersupto16characters(a-zand0-9).For
moreinformation,see“Passwordconsiderations”onpage13.

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

2.FromtheSecuritymenu,selectSetAdministratorPasswordandpresstheEnterkey.

3.Thepassworddialogboxwillbedisplayed.TypethepasswordthenpresstheEnterkey.

4.Retypethepasswordtoconfirm,thenpresstheEnterkey.Ifyoutypedthepasswordcorrectly,the
passwordwillbeinstalled.ASetupNoticewillbedisplayedconfirmingthatyourchangeshasbeen
saved.

5.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.

6.SelectSaveChangesandExitfromthemenu.

TochangeanAdministratorPassword,dothefollowing:

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

2.FromtheSecuritymenu,selectSetAdministratorPasswordandpresstheEnterkey.

3.Thepassworddialogboxwillbedisplayed.TypethecurrentpasswordthenpresstheEnterkey.

4.T ypethenewpassword,thenpresstheEnterkey.Retypethenewpasswordtoconfirmit.Ifyoutyped
thenewpasswordcorrectly,thenewpasswordwillbeinstalled.ASetupNoticewillbedisplayed
confirmingthatyourchangeshavebeensaved.

5.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.

6.SelectSaveChangesandExitfromthemenu.

TodeleteapreviouslysetAdministratorPassword,dothefollowing:

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

2.FromtheSecuritymenu,selectSetAdministratorPasswordandpresstheEnterkey.

3.Thepassworddialogboxwillbedisplayed.TypethecurrentpasswordandpresstheEnterkey.

4.Leaveeachnewpasswordlineitemblank,thenpresstheEnterkey.ASetupNoticewillbedisplayed
confirmingthatyourchangeshavebeensaved.

5.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.

6.SelectSaveChangesandExitfromthemenu.

14LenovoC20SeriesNon- TouchAll-In-OnePCHardwareMaintenanceManual

Power-OnPassword

WhenaPower-OnPasswordisset,youcannotstarttheLenovoBIOSSetupUtilityprogramuntilavalid
passwordistypedfromthekeyboard.

Setting,changing,ordeletingaPower-OnPassword

Note:Apasswordcanbeanycombinationoflettersandnumbersupto16characters(a-zand0-9).

TosetaPower-OnPassword,dothefollowing:

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

2.FromtheSecuritymenu,selectSetPower-OnPasswordandpresstheEnterkey.

3.Thepassworddialogboxwillbedisplayed.Typethepassword,thenpresstheEnterkey.

4.Retypethepasswordtoconfirm.Ifyoutypedthepasswordcorrectly,thepasswordwillbeinstalled.

5.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.

6.SelectSaveChangesandExitfromthemenu.

TochangeaPower-OnPassword,dothefollowing:

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

2.FromtheSecuritymenu,selectSetPower-OnPasswordandpresstheEnterkey.

3.Thepassworddialogboxwillbedisplayed.TypethecurrentpasswordthenpresstheEnterkey.

4.T ypethenewpassword,thenpresstheEnterkey.Retypethenewpasswordtoconfirmit.Ifyoutyped
thenewpasswordcorrectly,thenewpasswordwillbeinstalled.ASetupNoticewillbedisplayed
confirmingthatyourchangeshavebeensaved.

5.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.

6.SelectSaveChangesandExitfromthemenu.

TodeleteapreviouslysetPower-OnPassword,dothefollowing:

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

2.FromtheSecuritymenu,selectSetPower-OnPasswordandpresstheEnterkey.

3.Thepassworddialogboxwillbedisplayed.TypethecurrentpasswordandpresstheEnterkey.

4.Leaveeachnewpasswordlineitemblank,thenpressEnter.ASetupNoticewillbedisplayedconfirming
thatyourchangeshavebeensaved.

5.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.

6.SelectSaveChangesandExitfromthemenu.

Enablingordisablingadevice

TheDevicesoptionsisusedtoenableordisableuseraccesstothefollowing:

USBFunctionsSelectwhethertoenableordisableUSB(UniversalSerial

Bus)functions.Ifthefunctionsaredisabled,noUSB
devicescanbeused.

Chapter5.UsingtheSetupUtility15

SATAModeSelectDisabled/IDE/AHCImode.Devicedriversupport

isrequiredforAHCIorRAID.Dependingonhowthehard
diskdriveimagewasinstalled,changingthissettingmay
preventthesystemfrombooting.

OnboardAudioControllerSelectwhethertoenableordisabletheOnboard

AudioController.WhenthisfeatureissettoDisabled

alldevicesconnectedtotheaudioconnectors(e.g.
headphonesoramicrophone)aredisabledandcannot
beused.

OnboardEthernetControllerorLANBootAgentSelectwhethertoenableordisabletheOnboardEthernet

Controller,orselectwhethertoenableordisableload

onboardPXE(PrebootExecutionEnvironment).

Toenableordisableadevice,dothefollowing:

1.StarttheSetupUtilityprogram(see“StartingtheSetupUtilityprogram”onpage13).

2.FromtheSetupUtilityprogrammenu,selectDevices.

3.Selectanoptionasfollows:

SelectUSBSetup,presstheEnterkey,thenselectUSBFunctions.

SelectA T ADriversSetup,presstheEnterkey,thenselectSATAMode.

SelectAudioSetup,presstheEnterkey,thenselectOnboardAudioController.

SelectNetworkSetup,presstheEnterkey,thenselectOnboardEthernetSupportorLANBoot
Agent.

4.SelectDisabledorEnabledandpresstheEnterkey.

5.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.

6.SelectSaveChangesandExitfromthemenu.

Notes:

a.Ifyoudonotwanttosavethesettings,selectDiscardChangesandExitfromthemenu.

Selectingastartupdevice

IfyourcomputerdoesnotbootfromadevicesuchastheCD/DVD-ROMdrivediskorharddiskasexpected,
followoneoftheproceduresbelow.

Selectingatemporarystartupdevice

Usethisproceduretostartupfromanybootdevice.

Note:NotallCDs,DVDsorharddiskdrivesarebootable.

1.T urnoffyourcomputer.

2.PressandholdtheF12keythenturnonthecomputer.WhentheStartupDeviceMenuappears,
releasetheF12key.

Note:IftheStartupDeviceMenudoesnotdisplayusingthesesteps,repeatedlypressandreleasethe
F12keyratherthankeepingitpressedwhenturningonthecomputer.

3.Use↑and↓arrowstoselectthedesiredstartupdevicefromtheStartupDeviceMenuandpress
theEnterkeytobegin.

Note:SelectingastartupdevicefromtheStartupDeviceMenudoesnotpermanentlychangethe
startupsequence.

16LenovoC20SeriesNon- TouchAll-In-OnePCHardwareMaintenanceManual