Lenovo C325 Owner's manual

LenovoC2/C3HardwareMaintenanceManual

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
Problemdeterminationtips..........11
Chapter5.UsingtheSetupUtility...13
StartingtheSetupUtilityprogram.......13
Viewingandchangingsettings........13
Usingpasswords..............13
UsingDevice...............15
Selectingastartupdevice..........15
ExitingfromtheSetupUtilityprogram.....16
Chapter6.Symptom-to-FRUIndex..17
Harddiskdrivebooterror..........17
PowerSupplyProblems...........17
POSTerrorcodes.............18
Undeterminedproblems...........18
Chapter7.Replacinghardware....21
Generalinformation.............21
Hardwarecomponents...........22
Replacingamemorymodule.........26
Replacingtheopticaldrive..........27
Replacingtheharddiskdrive.........29
Replacingthekeyboardandmouse......31
Replacingthepowercord..........32
Removingthespeakercover.........32
Removingthecomputercover........34
Replacingtheconverterboard........35
Removingthecomputerstand........36
RemovingtheEMIcover...........37
Replacingthesystemfan..........38
ReplacingtheTVtunercard.........40
ReplacingtheWLANcard..........41
Replacingtheheatsink...........42
ReplacingtheCPU.............44
ReplacingtherearI/Omodule........46
Replacingthespeakersystem........48
Replacingthemotherboard..........49
Replacingthecamera............51
Replacingthefrontindicatorandpowerbutton
board..................52
Replacingthefrontfunctionboard.......53
ReplacingtheLEDpanel...........54
Chapter8.AdditionalService
Information..............57
©CopyrightLenovoi

iiLenovoC2/C3HardwareMaintenanceManual

Chapter1.Aboutthismanual
ThismanualcontainsserviceandreferenceinformationforLenovoC220/C225/C320/C325computerslisted
onthecover.ItisintendedonlyfortrainedservicerswhoarefamiliarwithLenovocomputerproducts.
BeforeservicingaLenovoproduct,besuretoreadtheSafetyInformation.
ThedescriptionoftheTVcardinthismanualisonlyusedforthemachineswhichhavetheTVcard.Itis
invalidforthosemachineswhichdonothaveTVcard.
ImportantSafetyInformation
Besuretoreadallcautionanddangerstatementsinthisbookbeforeperforminganyoftheinstructions.
VeuillezliretouteslesconsignesdetypeDANGERetATTENTIONduprésentdocumentavantd’exécuter
lesinstructions.
LesenSieunbedingtalleHinweisevomTyp“ACHTUNG”oder“VORSICHT”indieserDokumentation,bevor
SieirgendwelcheVorgängedurchführen
LeggereleistruzioniintrodottedaATTENZIONEePERICOLOpresentinelmanualeprimadieseguireuna
qualsiasidelleistruzioni
Certique-sedelertodasasinstruçõesdecuidadoeperigonestemanualantesdeexecutarqualquer
umadasinstruções
Esimportantequeleatodaslasdeclaracionesdeprecauciónydepeligrodeestemanualantesdeseguir
lasinstrucciones.
执行任何说明之前，请确保已阅读本书中的所有警告和危险声明。
©CopyrightLenovo1

2LenovoC2/C3HardwareMaintenanceManual

Chapter2.Safetyinformation
Thischaptercontainsthesafetyinformationthatyouneedtobefamiliarwithbeforeservicingacomputer.
Generalsafety
Followtheserulestoensuregeneralsafety:
•Observegoodhousekeepingintheareaofthemachinesduringandaftermaintenance.
•Whenliftinganyheavyobject:
1.Ensureyoucanstandsafelywithoutslipping.
2.Distributetheweightoftheobjectequallybetweenyourfeet.
3.Useaslowliftingforce.Nevermovesuddenlyortwistwhenyouattempttolift.
4.Liftbystandingorbypushingupwithyourlegmuscles;thisactionremovesthestrainfromthe
musclesinyourback.
Donotattempttoliftanyobjectsthatweighmorethan16kg(35lb)orobjectsthatyouthinkare
tooheavyforyou.
•Donotperformanyactionthatcauseshazardstothecustomer,orthatmakestheequipmentunsafe.
•Beforeyoustartthemachine,ensurethatotherservicerepresentativesandthecustomer’spersonnelare
notinahazardousposition.
•Placeremovedcoversandotherpartsinasafeplace,awayfromallpersonnel,whileyouareservicing
themachine.
•Keepyourtoolcaseawayfromwalkareassothatotherpeoplewillnottripoverit.
•Donotwearlooseclothingthatcanbetrappedinthemovingpartsofamachine.Ensurethatyoursleeves
arefastenedorrolledupaboveyourelbows.Ifyourhairislong,fastenit.
•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.
•Reinstallallcoverscorrectlybeforereturningthemachinetothecustomer.
Electricalsafety
CAUTION:
Electricalcurrentfrompower,telephone,andcommunicationcablescanbehazardous.Toavoid
personalinjuryorequipmentdamage,disconnecttheattachedpowercords,telecommunication
systems,networks,andmodemsbeforeyouopenthecomputercovers,unlessinstructedotherwise
intheinstallationandcongurationprocedures.
Observethefollowingruleswhenworkingonelectricalequipment.
©CopyrightLenovo3

Important:Useonlyapprovedtoolsandtestequipment.Somehandtoolshavehandlescoveredwithasoft
materialthatdoesnotinsulateyouwhenworkingwithliveelectricalcurrents.Manycustomershave,near
theirequipment,rubberoormatsthatcontainsmallconductiveberstodecreaseelectrostaticdischarges.
Donotusethistypeofmattoprotectyourselffromelectricalshock.
•Findtheroomemergencypower-off(EPO)switch,disconnectingswitch,orelectricaloutlet.Ifanelectrical
accidentoccurs,youcanthenoperatetheswitchorunplugthepowercordquickly.
•Donotworkaloneunderhazardousconditionsornearequipmentthathashazardousvoltages.
•Disconnectallpowerbefore:
–Performingamechanicalinspection
–Workingnearpowersupplies
–RemovingorinstallingFieldReplaceableUnits(FRUs)
•Beforeyoustarttoworkonthemachine,unplugthepowercord.Ifyoucannotunplugit,askthecustomer
topower-offthewallboxthatsuppliespowertothemachineandtolockthewallboxintheoffposition.
•Ifyouneedtoworkonamachinethathasexposedelectricalcircuits,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
thesafetysectionsofmaintenanceinformation.Useextremecarewhenmeasuringhighvoltages.
•Regularlyinspectandmaintainyourelectricalhandtoolsforsafeoperationalcondition.
•Donotusewornorbrokentoolsandtesters.
•Neverassumethatpowerhasbeendisconnectedfromacircuit.First,checkthatithasbeenpowered-off.
•Alwayslookcarefullyforpossiblehazardsinyourworkarea.Examplesofthesehazardsaremoistoors,
nongroundedpowerextensioncables,powersurges,andmissingsafetygrounds.
•Donottouchliveelectricalcircuitswiththereectivesurfaceofaplasticdentalmirror.Thesurfaceis
conductive;suchtouchingcancausepersonalinjuryandmachinedamage.
•Donotservicethefollowingpartswiththepoweronwhentheyareremovedfromtheirnormaloperating
placesinamachine:
–Powersupplyunits
–Pumps
–Blowersandfans
–Motorgenerators
andsimilarunits.(Thispracticeensurescorrectgroundingoftheunits.)
•Ifanelectricalaccidentoccurs:
–Usecaution;donotbecomeavictimyourself.
–Switchoffpower.
–Sendanotherpersontogetmedicalaid.
4LenovoC2/C3HardwareMaintenanceManual

Safetyinspectionguide
Theintentofthisinspectionguideistoassistyouinidentifyingpotentiallyunsafeconditionsonthese
products.Eachmachine,asitwasdesignedandbuilt,hadrequiredsafetyitemsinstalledtoprotectusers
andservicepersonnelfrominjury.Thisguideaddressesonlythoseitems.However,goodjudgmentshould
beusedtoidentifypotentialsafetyhazardsduetoattachmentoffeaturesoroptionsnotcoveredbythis
inspectionguide.
Ifanyunsafeconditionsarepresent,youmustdeterminehowserioustheapparenthazardcouldbeand
whetheryoucancontinuewithoutrstcorrectingtheproblem.
Considertheseconditionsandthesafetyhazardstheypresent:
•Electricalhazards,especiallyprimarypower(primaryvoltageontheframecancauseseriousorfatal
electricalshock).
•Explosivehazards,suchasadamagedCRTfaceorbulgingcapacitor
•Mechanicalhazards,suchaslooseormissinghardware
Theguideconsistsofaseriesofstepspresentedinachecklist.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.Checkinsidetheunitforanyobviousunsafeconditions,suchasmetallings,contamination,wateror
otherliquids,orsignsofreorsmokedamage.
7.Checkforworn,frayed,orpinchedcables.
8.Checkthatthepower-supplycoverfasteners(screwsorrivets)havenotbeenremovedortamperedwith.
Handlingelectrostaticdischarge-sensitivedevices
Anycomputerpartcontainingtransistorsorintegratedcircuits(ICs)shouldbeconsideredsensitiveto
electrostaticdischarge(ESD).ESDdamagecanoccurwhenthereisadifferenceinchargebetweenobjects.
ProtectagainstESDdamagebyequalizingthechargesothatthemachine,thepart,theworkmat,andthe
personhandlingthepartareallatthesamecharge.
Notes:
1.Useproduct-specicESDprocedureswhentheyexceedtherequirementsnotedhere.
2.MakesurethattheESDprotectivedevicesyouusehavebeencertied(ISO9000)asfullyeffective.
WhenhandlingESD-sensitiveparts:
•Keepthepartsinprotectivepackagesuntiltheyareinsertedintotheproduct.
•Avoidcontactwithotherpeoplewhilehandlingthepart.
Chapter2.Safetyinformation5

•Wearagroundedwriststrapagainstyourskintoeliminatestaticonyourbody.
•Preventthepartfromtouchingyourclothing.Mostclothingisinsulativeandretainsachargeevenwhen
youarewearingawriststrap.
•Usetheblacksideofagroundedworkmattoprovideastatic-freeworksurface.Thematisespecially
usefulwhenhandlingESD-sensitivedevices.
•Selectagroundingsystem,suchasthoselistedbelow,toprovideprotectionthatmeetsthespecic
servicerequirement.
Note:TheuseofagroundingsystemisdesirablebutnotrequiredtoprotectagainstESDdamage.
–AttachtheESDgroundcliptoanyframeground,groundbraid,orgreen-wireground.
–UseanESDcommongroundorreferencepointwhenworkingonadouble-insulatedor
battery-operatedsystem.Youcanusecoaxorconnector-outsideshellsonthesesystems.
–Usetheroundground-prongoftheacplugonac-operatedcomputers.
Groundingrequirements
Electricalgroundingofthecomputerisrequiredforoperatorsafetyandcorrectsystemfunction.Proper
groundingoftheelectricaloutletcanbeveriedbyacertiedelectrician.
Safetynotices
ThecautionanddangersafetynoticesinthissectionareprovidedinthethelanguageofEnglish.
DANGER
Electricalcurrentfrompower,telephoneandcommunicationcablesishazardous.
Toavoidashockhazard:
•Donotconnectordisconnectanycablesorperforminstallation,maintenance,orreconguration
ofthisproductduringanelectricalstorm.
•Connectallpowercordstoaproperlywiredandgroundedelectricaloutlet.
•Connecttoproperlywiredoutletsanyequipmentthatwillbeattachedtothisproduct.
•Whenpossible,useonehandonlytoconnectordisconnectsignalcables.
•Neverturnonanyequipmentwhenthereisevidenceofre,water,orstructuraldamage.
•Disconnecttheattachedpowercords,telecommunicationssystems,networks,andmodems
beforeyouopenthedevicecovers,unlessinstructedotherwiseintheinstallationandconguration
procedures.
•Connectanddisconnectcablesasdescribedinthefollowingtablewheninstalling,moving,or
openingcoversonthisproductorattacheddevices.
6LenovoC2/C3HardwareMaintenanceManual

ToConnectToDisconnect
1.TurneverythingOFF .
2.First,attachallcablestodevices.
3.Attachsignalcablestoconnectors.
4.Attachpowercordstooutlet.
5.TurndeviceON.
1.TurneverythingOFF .
2.First,removepowercordsfromoutlet.
3.Removesignalcablesfromconnectors.
4.Removeallcablesfromdevices.
CAUTION:
Whenreplacingthelithiumbattery,useonlyPartNumber45C1566oranequivalenttypebattery
recommendedbythemanufacturer.Ifyoursystemhasamodulecontainingalithiumbattery,replace
itonlywiththesamemoduletypemadebythesamemanufacturer.Thebatterycontainslithiumand
canexplodeifnotproperlyused,handled,ordisposedof.
Donot:
•Throworimmerseintowater
•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:
Laserradiationwhenopen.Donotstareintothebeam,donotviewdirectlywithoptical
instruments,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.
8LenovoC2/C3HardwareMaintenanceManual

Chapter3.Generalinformation
Thischapterprovidesgeneralinformationthatappliestoallmachinetypessupportedbythispublication.
Specications
Thissectionliststhephysicalspecicationsforyourcomputer.
Thissectionliststhephysicalspecicationsforyourcomputer.
TypeLenovoC220/C225/C320/C325
Thissectionliststhephysicalspecications.
Environment
Airtemperature:
Operating:10°to35°C
Transit:-20°to55°C
Humidity:
Operating:35%to80%
Transit:20%to93%(40°C)
Altitude:86KPato106KPa
Electricalinput:
Inputvoltage:90V-264V(AC)
Inputfrequency:47Hz-63Hz
©CopyrightLenovo9

10LenovoC2/C3HardwareMaintenanceManual

Chapter4.GeneralCheckout
Attention:Thedrivesinthecomputeryouareservicingmighthavebeenrearrangedorthedrivestartup
sequencechanged.Beextremelycarefulduringwriteoperationssuchascopying,saving,orformatting.
Dataorprogramscanbeoverwrittenifyouselectanincorrectdrive.
Generalerrormessagesappearifaproblemorconictisfoundbyanapplicationprogram,theoperating
system,orboth.Foranexplanationofthesemessages,refertotheinformationsuppliedwiththatsoftware
package.
Usethefollowingproceduretohelpdeterminethecauseoftheproblem:
1.Power-offthecomputerandallexternaldevices.
2.Checkallcablesandpowercords.
3.Setalldisplaycontrolstothemiddleposition.
4.Power-onallexternaldevices.
5.Power-onthecomputer.
•Lookfordisplayederrorcodes
•Lookforreadableinstructionsoramainmenuonthedisplay.
Ifyoudidnotreceivethecorrectresponse,proceedtostep6.
Ifyoudoreceivethecorrectresponse,proceedtostep7.
6.Lookatthefollowingconditionsandfollowtheinstructions:
•IfthecomputerdisplaysaPOSTerror,goto“POSTerrorcodes” .
•Ifthecomputerhangsandnoerrorisdisplayed,continueatstep7.
7.Ifyoucannotcontinue,replacethelastdevicetested.
Problemdeterminationtips
Duetothevarietyofhardwareandsoftwarecombinationsthatcanbeencountered,usethefollowing
informationtoassistyouinproblemdetermination.Ifpossible,havethisinformationavailablewhen
requestingassistancefromServiceSupportandEngineeringfunctions.
•Machinetypeandmodel
•Processororharddiskupgrades
•Failuresymptom
Dodiagnosticsindicateafailure?
What,when,where,single,ormultiplesystems?
Isthefailurerepeatable?
Hasthiscongurationeverworked?
Ifithasbeenworking,whatchangesweremadepriortoitfailing?
Isthistheoriginalreportedfailure?
•Diagnosticsversion
Typeandversionlevel
©CopyrightLenovo11

•Hardwareconguration
Print(printscreen)congurationcurrentlyinuse
BIOSlevel
•Operatingsystemsoftware
Typeandversionlevel
Notes:Toeliminateconfusion,identicalsystemsareconsideredidenticalonlyifthey:
1.Aretheexactmachinetypeandmodels
2.HavethesameBIOSlevel
3.Havethesameadapters/attachmentsinthesamelocations
4.Havethesameaddressjumpers/terminators/cabling
5.Havethesamesoftwareversionsandlevels
6.Havethesamecongurationoptionssetinthesystem
7.Havethesamesetupfortheoperationsystemcontrolles
Comparingthecongurationandsoftwareset-upbetween“workingandnon-working”systemswilloften
leadtoproblemresolution.
12LenovoC2/C3HardwareMaintenanceManual

Chapter5.UsingtheSetupUtility
TheSetupUtilityprogramisusedtoviewandchangethecongurationsettingsofyourcomputer,regardless
ofwhichoperatingsystemyouareusing.However,theoperating-systemsettingsmightoverrideanysimilar
settingsintheSetupUtilityprogram.
StartingtheSetupUtilityprogram
TostarttheSetupUtilityprogram,dothefollowing:
1.Ifyourcomputerisalreadyonwhenyoustartthisprocedure,shutdowntheoperatingsystemand
turnoffthecomputer.
2.PressandholdtheF1keythenturnonthecomputer.Whenyouhearmultiplebeeps,releasetheF1key.
Notes:
1.IfyouareusingaUSBkeyboardandtheSetupUtilityprogramdoesnotdisplayusingthismethod,
repeatedlypressandreleasetheF1keyratherthanleavingitpressedwhenturningonthecomputer.
2.IfaPower-OnPasswordoranadministratorpasswordhasbeenset,theSetupUtilityprogrammenuis
notdisplayeduntilyoutypeyourpassword.Formoreinformation,see“Usingpasswords.”
Viewingandchangingsettings
TheSetupUtilityprogrammenulistsitemsthatidentifysystemcongurationtopics.Tovieworchange
settings,see“StartingtheSetupUtilityprogram.”
WhenworkingwiththeSetupUtilityprogrammenu,youmustusethekeyboard.Thekeysusedtoperform
varioustasksaredisplayedontherightsideofeachscreen.
Usingpasswords
ByusingtheSetupUtilityprogram,youcansetpasswordstopreventunauthorizedpersonsfromgaining
accesstoyourcomputeranddata.See“StartingtheSetupUtilityprogram.”Thefollowingtypesof
passwordsareavailable:
•AdministratorPassword
•Power-OnPassword
Youdonothavetosetanypasswordstouseyourcomputer.However,ifyoudecidetosetanypasswords,
readthefollowingsections.
Passwordconsiderations
Apasswordcanbeanycombinationofupto64characters(a-zand0-9)andsymbols.Forsecurity
reasons,itisagoodideatouseastrongpasswordthatcannotbeeasilycompromised.Wesuggestthe
passwordsshouldadheretothefollowingrules:
•Musthaveatleastsevencharactersinlength
•Containatleastonealphabeticcharacterandonenumericcharacter
•SetupUtilityprogramandharddiskdrivepasswordsarenotcasesensitive
•Notbeyournameoryourusername
©CopyrightLenovo13

•Notbeacommonwordoracommonname
•Besignicantlydifferentfromyourpreviouspassword
Administratorpassword
WhenaAdministratorPasswordisset,itdetersunauthorizedpersonsfromchangingconguration
settings.Ifyouareresponsibleformaintainingthesettingsofseveralcomputers,youmightwanttoseta
AdministratorPassword.
AfteryousetaAdministratorPassword,apasswordpromptisdisplayedeachtimeyoutrytoaccessthe
SetupUtilityprogram.
IfboththeAdministratorandPower-OnPasswordareset,youcantypeeitherpassword.However,to
changeanycongurationsettings,youmustuseyourAdministratorpassword.
Setting,changing,anddeletingaAdministratorpassword
Toset,change,ordeleteapassword,dothefollowing:
Note:Apasswordcanbeanycombinationofupto64characters(a-z,and0-9).Formoreinformation,see
“Passwordconsiderations”onpage13.
1.StarttheSetupUtilityprogram(see“StartingtheSetupUtilityprogram”onpage13).
2.FromSecuritymenu,selectSetAdministratorPasswordandpressEnter.
3.Thepassworddialogboxwillbedisplayed.Typethenewpassword,andpressEnter.
4.whenpromptedtoconrmthepassword,typethepasswordagain.Ifyoutypethepasswordcorrectly,
thepasswordwillbeinstalled.
TodeleteapreviouslysetAdministratorpassword,dothefollowing:
Note:Whenpromptedforapassword,youmusttypeyourAdministratorpassword.
1.FromSecuritymenu,selectSetAdministratorPasswordandpressEnter.
2.Thepassworddialogboxwillbedisplayed.EnterCurrentPasswordandpressEnter.PressEnterinNew
PasswordandconrmNewPassworddialog.Asetupnoticewilldisplaythatchangeshavebeensaved.
3.SelectExit.
4.SelectSavechangesandExit.
Power-OnPassword
WhenaPower-OnPasswordisset,youcannotstarttheSetupUtilityprogramuntilavalidpasswordis
typedfromthekeyboard.
Setting,changing,anddeletingaPower-OnPassword
Toset,change,ordeleteaPower-OnPassword,dothefollowing:
Note:Apasswordcanbeanycombinationofupto64characters(a-z,and0-9).
1.StarttheSetupUtilityprogram(See”StartingtheSetupUtilityprogram” .)
2.FromtheSecuritymenu,seletSetPower-OnPasswordandpressEnter.
3.Thepassworddialogboxwillbedisplayed.Typethenewpassword,andpressEnter.
4.whenpromptedtoconrmthepassword,typethepasswordagain.Ifyoutypethepasswordcorrectly,
thepasswordwillbeinstalled.
14LenovoC2/C3HardwareMaintenanceManual

TodeleteapreviouslysetPower-OnPassword,dothefollowing:
1.FromtheSecuritymenu,selectSetPower-OnPasswordandpressEnter.
2.Thepassworddialogboxwillbedisplayed.EnterCurrentPasswordandpressEnter.PressEnterinNew
PasswordandconrmNewPassworddialog.Asetupnoticewilldisplaythatchangeshavebeensaved.
3.SelectExit.
4.SelectSavechangesandExit.
UsingDevice
Deviceisusedtoenableordisableuseraccesstothefollowingdevice:
USBSetupWhenthisfeatureissettoDisable,thedeviceofUSB
SetupisDisabledandwillnotbedisplayedinthesystem
conguration.
TosetDevice,dothefollowing:
1.StarttheSetupUtilityprogram(see“StartingtheSetupUtilityprogram”onpage13).
2.FromtheSetupUtilityprogrammenu,selectDevices.
3.SelectUSBSetup.
4.SelectDisabledorEnabledandpressEnter.
5.ReturntotheSetupUtilityprogrammenuandpressF10tosavecongurationchangesandexitsetup.
Note:Ifyoudonotwanttosavethesettings,selectExitandselectDiscardchangesandExit.Y ou
cansetotherssuchasAudioSetupandNetworkSetup.Seetheinformationdisplayedontheright
sideofthescreen.
Selectingastartupdevice
Ifyourcomputerdoesnotstartup(boot)fromadevicesuchastheCD-ROM,diskette,orharddiskas
expected,useoneofthefollowingprocedurestoselectastartupdevice.
Selectingatemporarystartupdevice
Usethisproceduretostartupfromanybootdevice.
Note:NotallCDs,harddisks,anddiskettesarebootable.
1.Turnoffyourcomputer.
2.PressandholdtheF12keythenturnonthecomputer.WhentheStartupDeviceMenuappears,release
theF12key.
Note:IfyouareusingaUSBkeyboardandtheStartupDeviceMenudoesnotdisplayusingthismethod,
repeatedlypressandreleasetheF12keyratherthanleavingitpressedwhenturningonthecomputer.
3.SelectthedesiredstartupdevicefromtheStartupDeviceMenuandpressEntertobegin.
Note:SelectingastartupdevicefromtheStartupDevicemenudoesnotpermanentlychangethe
startupsequence.
Selectingorchangingthestartupdevicesequence
Tovieworpermanentlychangetheconguredstartupdevicesequence,dothefollowing:
1.StarttheSetupUtilityprogram(see“StartingtheSetupUtilityprogram”onpage13).
Chapter5.UsingtheSetupUtility15

2.SelectStartUp.
3.SelectQuickBootMode,Numlock,OptionKeysDisplay,tosetthesedevices.
4.SelectDisabledorEnabledandpressEnter.
5.PressESCtoreturntoExitandselectSavechangesandExit.
Ifyouhavechangedthesesettingsandwanttoreturntothedefaultsettings,selectLoadOptimalDefaults
ontheSetupUtilitymenu.
ExitingfromtheSetupUtilityprogram
Whenyounishviewingorchangingsettings,pressEsctoreturntotheSetupUtilityprogrammenu(you
mighthavetopressEscseveraltimes).Ifyouwanttosavethenewsettings,selectSavechangesandExit
beforeyouexit.Otherwise,yourchangeswillnotbesaved.
16LenovoC2/C3HardwareMaintenanceManual