Lenovo IdeaCentre C2 Owner's manual

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IdeaCentre C320 20 57307491
Lenovo
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LenovoC2/C3HardwareMaintenanceManualDownloaded from www.Manualslib.com manuals search engine

Contents
Chapter1.Aboutthismanual.....1ImportantSafetyInformation.........1Chapter2.Safetyinformation.....3Generalsafety...............3Electricalsafety..............3Safetyinspectionguide...........5Handlingelectrostaticdischarge-sensitivedevices.................5Groundingrequirements...........6Safetynotices...............6Chapter3.Generalinformation....9Specications...............9Chapter4.GeneralCheckout.....11Problemdeterminationtips..........11Chapter5.UsingtheSetupUtility...13StartingtheSetupUtilityprogram.......13Viewingandchangingsettings........13Usingpasswords..............13UsingDevice...............15Selectingastartupdevice..........15ExitingfromtheSetupUtilityprogram.....16Chapter6.Symptom-to-FRUIndex..17Harddiskdrivebooterror..........17PowerSupplyProblems...........17POSTerrorcodes.............18Undeterminedproblems...........18Chapter7.Replacinghardware....21Generalinformation.............21Hardwarecomponents...........22Replacingamemorymodule.........26Replacingtheopticaldrive..........27Replacingtheharddiskdrive.........29Replacingthekeyboardandmouse......31Replacingthepowercord..........32Removingthespeakercover.........32Removingthecomputercover........34Replacingtheconverterboard........35Removingthecomputerstand........36RemovingtheEMIcover...........37Replacingthesystemfan..........38ReplacingtheTVtunercard.........40ReplacingtheWLANcard..........41Replacingtheheatsink...........42ReplacingtheCPU.............44ReplacingtherearI/Omodule........46Replacingthespeakersystem........48Replacingthemotherboard..........49Replacingthecamera............51Replacingthefrontindicatorandpowerbuttonboard..................52Replacingthefrontfunctionboard.......53ReplacingtheLEDpanel...........54Chapter8.AdditionalServiceInformation..............57CopyrightLenovoiDownloaded from www.Manualslib.com manuals search engine

iiLenovoC2/C3HardwareMaintenanceManualDownloaded from www.Manualslib.com manuals search engine

Chapter1.AboutthismanualThismanualcontainsserviceandreferenceinformationforLenovoC220/C225/C320/C325computerslistedonthecover.ItisintendedonlyfortrainedservicerswhoarefamiliarwithLenovocomputerproducts.BeforeservicingaLenovoproduct,besuretoreadtheSafetyInformation.ThedescriptionoftheTVcardinthismanualisonlyusedforthemachineswhichhavetheTVcard.ItisinvalidforthosemachineswhichdonothaveTVcard.ImportantSafetyInformationBesuretoreadallcautionanddangerstatementsinthisbookbeforeperforminganyoftheinstructions.VeuillezliretouteslesconsignesdetypeDANGERetATTENTIONduprésentdocumentavantdexécuterlesinstructions.LesenSieunbedingtalleHinweisevomTypACHTUNGoderVORSICHTindieserDokumentation,bevorSieirgendwelcheVorgängedurchfhrenLeggereleistruzioniintrodottedaATTENZIONEePERICOLOpresentinelmanualeprimadieseguireunaqualsiasidelleistruzioniCertique-sedelertodasasinstruçesdecuidadoeperigonestemanualantesdeexecutarqualquerumadasinstruçesEsimportantequeleatodaslasdeclaracionesdeprecaucinydepeligrodeestemanualantesdeseguirlasinstrucciones.󲒗󴩼󱄫󱆅󴸤󲠾󱁻󱑽󰦉󴸧󳪞󱈍󲀢󵠵󴸫󲥜󱂖󱁝󳢴󲑰󲤹󴶖󱙺󱚼󱖡󵢙󱬠󲠾󰆎
CopyrightLenovo1Downloaded from www.Manualslib.com manuals search engine

2LenovoC2/C3HardwareMaintenanceManualDownloaded from www.Manualslib.com manuals search engine

Chapter2.SafetyinformationThischaptercontainsthesafetyinformationthatyouneedtobefamiliarwithbeforeservicingacomputer.GeneralsafetyFollowtheserulestoensuregeneralsafety:Observegoodhousekeepingintheareaofthemachinesduringandaftermaintenance.Whenliftinganyheavyobject:1.Ensureyoucanstandsafelywithoutslipping.2.Distributetheweightoftheobjectequallybetweenyourfeet.3.Useaslowliftingforce.Nevermovesuddenlyortwistwhenyouattempttolift.4.Liftbystandingorbypushingupwithyourlegmuscles;thisactionremovesthestrainfromthemusclesinyourback.Donotattempttoliftanyobjectsthatweighmorethan16kg(35lb)orobjectsthatyouthinkaretooheavyforyou.Donotperformanyactionthatcauseshazardstothecustomer,orthatmakestheequipmentunsafe.Beforeyoustartthemachine,ensurethatotherservicerepresentativesandthecustomerspersonnelarenotinahazardousposition.Placeremovedcoversandotherpartsinasafeplace,awayfromallpersonnel,whileyouareservicingthemachine.Keepyourtoolcaseawayfromwalkareassothatotherpeoplewillnottripoverit.Donotwearlooseclothingthatcanbetrappedinthemovingpartsofamachine.Ensurethatyoursleevesarefastenedorrolledupaboveyourelbows.Ifyourhairislong,fastenit.Inserttheendsofyournecktieorscarfinsideclothingorfastenitwithanonconductiveclip,approximately8centimeters(3inches)fromtheend.Donotwearjewelry,chains,metal-frameeyeglasses,ormetalfastenersforyourclothing.Remember:Metalobjectsaregoodelectricalconductors.Wearsafetyglasseswhenyouare:hammering,drillingsoldering,cuttingwire,attachingsprings,usingsolvents,orworkinginanyotherconditionsthatmightbehazardoustoyoureyes.Afterservice,reinstallallsafetyshields,guards,labels,andgroundwires.Replaceanysafetydevicethatiswornordefective.Reinstallallcoverscorrectlybeforereturningthemachinetothecustomer.ElectricalsafetyCAUTION:Electricalcurrentfrompower,telephone,andcommunicationcablescanbehazardous.Toavoidpersonalinjuryorequipmentdamage,disconnecttheattachedpowercords,telecommunicationsystems,networks,andmodemsbeforeyouopenthecomputercovers,unlessinstructedotherwiseintheinstallationandcongurationprocedures.Observethefollowingruleswhenworkingonelectricalequipment.CopyrightLenovo3Downloaded from www.Manualslib.com manuals search engine

Important:Useonlyapprovedtoolsandtestequipment.Somehandtoolshavehandlescoveredwithasoftmaterialthatdoesnotinsulateyouwhenworkingwithliveelectricalcurrents.Manycustomershave,neartheirequipment,rubberoormatsthatcontainsmallconductiveberstodecreaseelectrostaticdischarges.Donotusethistypeofmattoprotectyourselffromelectricalshock.Findtheroomemergencypower-off(EPO)switch,disconnectingswitch,orelectricaloutlet.Ifanelectricalaccidentoccurs,youcanthenoperatetheswitchorunplugthepowercordquickly.Donotworkaloneunderhazardousconditionsornearequipmentthathashazardousvoltages.Disconnectallpowerbefore:PerformingamechanicalinspectionWorkingnearpowersuppliesRemovingorinstallingFieldReplaceableUnits(FRUs)Beforeyoustarttoworkonthemachine,unplugthepowercord.Ifyoucannotunplugit,askthecustomertopower-offthewallboxthatsuppliespowertothemachineandtolockthewallboxintheoffposition.Ifyouneedtoworkonamachinethathasexposedelectricalcircuits,observethefollowingprecautions:Ensurethatanotherperson,familiarwiththepower-offcontrols,isnearyou.Remember:Anotherpersonmustbetheretoswitchoffthepower,ifnecessary.Useonlyonehandwhenworkingwithpowered-onelectricalequipment;keeptheotherhandinyourpocketorbehindyourback.Remember:Theremustbeacompletecircuittocauseelectricalshock.Byobservingtheaboverule,youmaypreventacurrentfrompassingthroughyourbody.Whenusingatester,setthecontrolscorrectlyandusetheapprovedprobeleadsandaccessoriesforthattester.Standonsuitablerubbermats(obtainedlocally,ifnecessary)toinsulateyoufromgroundssuchasmetaloorstripsandmachineframes.Observethespecialsafetyprecautionswhenyouworkwithveryhighvoltages;theseinstructionsareinthesafetysectionsofmaintenanceinformation.Useextremecarewhenmeasuringhighvoltages.Regularlyinspectandmaintainyourelectricalhandtoolsforsafeoperationalcondition.Donotusewornorbrokentoolsandtesters.Neverassumethatpowerhasbeendisconnectedfromacircuit.First,checkthatithasbeenpowered-off.Alwayslookcarefullyforpossiblehazardsinyourworkarea.Examplesofthesehazardsaremoistoors,nongroundedpowerextensioncables,powersurges,andmissingsafetygrounds.Donottouchliveelectricalcircuitswiththereectivesurfaceofaplasticdentalmirror.Thesurfaceisconductive;suchtouchingcancausepersonalinjuryandmachinedamage.Donotservicethefollowingpartswiththepoweronwhentheyareremovedfromtheirnormaloperatingplacesinamachine:PowersupplyunitsPumpsBlowersandfansMotorgeneratorsandsimilarunits.(Thispracticeensurescorrectgroundingoftheunits.)Ifanelectricalaccidentoccurs:Usecaution;donotbecomeavictimyourself.Switchoffpower.Sendanotherpersontogetmedicalaid.4LenovoC2/C3HardwareMaintenanceManualDownloaded from www.Manualslib.com manuals search engine

SafetyinspectionguideTheintentofthisinspectionguideistoassistyouinidentifyingpotentiallyunsafeconditionsontheseproducts.Eachmachine,asitwasdesignedandbuilt,hadrequiredsafetyitemsinstalledtoprotectusersandservicepersonnelfrominjury.Thisguideaddressesonlythoseitems.However,goodjudgmentshouldbeusedtoidentifypotentialsafetyhazardsduetoattachmentoffeaturesoroptionsnotcoveredbythisinspectionguide.Ifanyunsafeconditionsarepresent,youmustdeterminehowserioustheapparenthazardcouldbeandwhetheryoucancontinuewithoutrstcorrectingtheproblem.Considertheseconditionsandthesafetyhazardstheypresent:Electricalhazards,especiallyprimarypower(primaryvoltageontheframecancauseseriousorfatalelectricalshock).Explosivehazards,suchasadamagedCRTfaceorbulgingcapacitorMechanicalhazards,suchaslooseormissinghardwareTheguideconsistsofaseriesofstepspresentedinachecklist.Beginthecheckswiththepoweroff,andthepowercorddisconnected.Checklist:1.Checkexteriorcoversfordamage(loose,broken,orsharpedges).2.Power-offthecomputer.Disconnectthepowercord.3.Checkthepowercordfor:a.Athird-wiregroundconnectoringoodcondition.Useametertomeasurethird-wiregroundcontinuityfor0.1ohmorlessbetweentheexternalgroundpinandframeground.b.Thepowercordshouldbetheappropriatetypeasspeciedinthepartslistings.c.Insulationmustnotbefrayedorworn.4.Removethecover.5.Checkforanyobviousalterations.Usegoodjudgmentastothesafetyofanyalterations.6.Checkinsidetheunitforanyobviousunsafeconditions,suchasmetallings,contamination,waterorotherliquids,orsignsofreorsmokedamage.7.Checkforworn,frayed,orpinchedcables.8.Checkthatthepower-supplycoverfasteners(screwsorrivets)havenotbeenremovedortamperedwith.Handlingelectrostaticdischarge-sensitivedevicesAnycomputerpartcontainingtransistorsorintegratedcircuits(ICs)shouldbeconsideredsensitivetoelectrostaticdischarge(ESD).ESDdamagecanoccurwhenthereisadifferenceinchargebetweenobjects.ProtectagainstESDdamagebyequalizingthechargesothatthemachine,thepart,theworkmat,andthepersonhandlingthepartareallatthesamecharge.Notes:1.Useproduct-specicESDprocedureswhentheyexceedtherequirementsnotedhere.2.MakesurethattheESDprotectivedevicesyouusehavebeencertied(ISO9000)asfullyeffective.WhenhandlingESD-sensitiveparts:Keepthepartsinprotectivepackagesuntiltheyareinsertedintotheproduct.Avoidcontactwithotherpeoplewhilehandlingthepart.Chapter2.Safetyinformation5Downloaded from www.Manualslib.com manuals search engine

Wearagroundedwriststrapagainstyourskintoeliminatestaticonyourbody.Preventthepartfromtouchingyourclothing.Mostclothingisinsulativeandretainsachargeevenwhenyouarewearingawriststrap.Usetheblacksideofagroundedworkmattoprovideastatic-freeworksurface.ThematisespeciallyusefulwhenhandlingESD-sensitivedevices.Selectagroundingsystem,suchasthoselistedbelow,toprovideprotectionthatmeetsthespecicservicerequirement.Note:TheuseofagroundingsystemisdesirablebutnotrequiredtoprotectagainstESDdamage.AttachtheESDgroundcliptoanyframeground,groundbraid,orgreen-wireground.UseanESDcommongroundorreferencepointwhenworkingonadouble-insulatedorbattery-operatedsystem.Youcanusecoaxorconnector-outsideshellsonthesesystems.Usetheroundground-prongoftheacplugonac-operatedcomputers.GroundingrequirementsElectricalgroundingofthecomputerisrequiredforoperatorsafetyandcorrectsystemfunction.Propergroundingoftheelectricaloutletcanbeveriedbyacertiedelectrician.SafetynoticesThecautionanddangersafetynoticesinthissectionareprovidedinthethelanguageofEnglish.DANGERElectricalcurrentfrompower,telephoneandcommunicationcablesishazardous.Toavoidashockhazard:Donotconnectordisconnectanycablesorperforminstallation,maintenance,orrecongurationofthisproductduringanelectricalstorm.Connectallpowercordstoaproperlywiredandgroundedelectricaloutlet.Connecttoproperlywiredoutletsanyequipmentthatwillbeattachedtothisproduct.Whenpossible,useonehandonlytoconnectordisconnectsignalcables.Neverturnonanyequipmentwhenthereisevidenceofre,water,orstructuraldamage.Disconnecttheattachedpowercords,telecommunicationssystems,networks,andmodemsbeforeyouopenthedevicecovers,unlessinstructedotherwiseintheinstallationandcongurationprocedures.Connectanddisconnectcablesasdescribedinthefollowingtablewheninstalling,moving,oropeningcoversonthisproductorattacheddevices.6LenovoC2/C3HardwareMaintenanceManualDownloaded from www.Manualslib.com manuals search engine

ToConnectToDisconnect1.TurneverythingOFF.2.First,attachallcablestodevices.3.Attachsignalcablestoconnectors.4.Attachpowercordstooutlet.5.TurndeviceON.1.TurneverythingOFF.2.First,removepowercordsfromoutlet.3.Removesignalcablesfromconnectors.4.Removeallcablesfromdevices.CAUTION:Whenreplacingthelithiumbattery,useonlyPartNumber45C1566oranequivalenttypebatteryrecommendedbythemanufacturer.Ifyoursystemhasamodulecontainingalithiumbattery,replaceitonlywiththesamemoduletypemadebythesamemanufacturer.Thebatterycontainslithiumandcanexplodeifnotproperlyused,handled,ordisposedof.Donot:ThroworimmerseintowaterHeattomorethan100C(212F)RepairordisassembleDisposeofthebatteryasrequiredbylocalordinancesorregulations.CAUTION:Whenlaserproducts(suchasCD-ROMs,DVD-ROMdrives,beropticdevices,ortransmitters)areinstalled,notethefollowing:Donotremovethecovers.Removingthecoversofthelaserproductcouldresultinexposuretohazardouslaserradiation.Therearenoserviceablepartsinsidethedevice.Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthosespeciedhereinmightresultinhazardousradiationexposure.DANGERSomelaserproductscontainanembeddedClass3AorClass3Blaserdiode.Notethefollowing:Laserradiationwhenopen.Donotstareintothebeam,donotviewdirectlywithopticalinstruments,andavoiddirectexposuretothebeam.Chapter2.Safetyinformation7Downloaded from www.Manualslib.com manuals search engine

18kg(37lbs)32kg(70.5lbs)55kg(121.2lbs)CAUTION:Usesafepracticeswhenlifting.CAUTION:Thepowercontrolbuttononthedeviceandthepowerswitchonthepowersupplydonotturnofftheelectricalcurrentsuppliedtothedevice.Thedevicealsomighthavemorethanonepowercord.Toremoveallelectricalcurrentfromthedevice,ensurethatallpowercordsaredisconnectedfromthepowersource.
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CAUTION:Donotplaceanyobjectweighingmorethan82kg(180lbs.)ontopofrack-mounteddevices.8LenovoC2/C3HardwareMaintenanceManualDownloaded from www.Manualslib.com manuals search engine

Chapter3.GeneralinformationThischapterprovidesgeneralinformationthatappliestoallmachinetypessupportedbythispublication.SpecicationsThissectionliststhephysicalspecicationsforyourcomputer.Thissectionliststhephysicalspecicationsforyourcomputer.TypeLenovoC220/C225/C320/C325Thissectionliststhephysicalspecications.EnvironmentAirtemperature:Operating:10to35CTransit:-20to55CHumidity:Operating:35%to80%Transit:20%to93%(40C)Altitude:86KPato106KPaElectricalinput:Inputvoltage:90V-264V(AC)Inputfrequency:47Hz-63HzCopyrightLenovo9Downloaded from www.Manualslib.com manuals search engine

10LenovoC2/C3HardwareMaintenanceManualDownloaded from www.Manualslib.com manuals search engine

Chapter4.GeneralCheckoutAttention:Thedrivesinthecomputeryouareservicingmighthavebeenrearrangedorthedrivestartupsequencechanged.Beextremelycarefulduringwriteoperationssuchascopying,saving,orformatting.Dataorprogramscanbeoverwrittenifyouselectanincorrectdrive.Generalerrormessagesappearifaproblemorconictisfoundbyanapplicationprogram,theoperatingsystem,orboth.Foranexplanationofthesemessages,refertotheinformationsuppliedwiththatsoftwarepackage.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.ProblemdeterminationtipsDuetothevarietyofhardwareandsoftwarecombinationsthatcanbeencountered,usethefollowinginformationtoassistyouinproblemdetermination.Ifpossible,havethisinformationavailablewhenrequestingassistancefromServiceSupportandEngineeringfunctions.MachinetypeandmodelProcessororharddiskupgradesFailuresymptomDodiagnosticsindicateafailure?What,when,where,single,ormultiplesystems?Isthefailurerepeatable?Hasthiscongurationeverworked?Ifithasbeenworking,whatchangesweremadepriortoitfailing?Isthistheoriginalreportedfailure?DiagnosticsversionTypeandversionlevelCopyrightLenovo11Downloaded from www.Manualslib.com manuals search engine

HardwarecongurationPrint(printscreen)congurationcurrentlyinuseBIOSlevelOperatingsystemsoftwareTypeandversionlevelNotes:Toeliminateconfusion,identicalsystemsareconsideredidenticalonlyifthey:1.Aretheexactmachinetypeandmodels2.HavethesameBIOSlevel3.Havethesameadapters/attachmentsinthesamelocations4.Havethesameaddressjumpers/terminators/cabling5.Havethesamesoftwareversionsandlevels6.Havethesamecongurationoptionssetinthesystem7.HavethesamesetupfortheoperationsystemcontrollesComparingthecongurationandsoftwareset-upbetweenworkingandnon-workingsystemswilloftenleadtoproblemresolution.12LenovoC2/C3HardwareMaintenanceManualDownloaded from www.Manualslib.com manuals search engine

Chapter5.UsingtheSetupUtilityTheSetupUtilityprogramisusedtoviewandchangethecongurationsettingsofyourcomputer,regardlessofwhichoperatingsystemyouareusing.However,theoperating-systemsettingsmightoverrideanysimilarsettingsintheSetupUtilityprogram.StartingtheSetupUtilityprogramTostarttheSetupUtilityprogram,dothefollowing:1.Ifyourcomputerisalreadyonwhenyoustartthisprocedure,shutdowntheoperatingsystemandturnoffthecomputer.2.PressandholdtheF1keythenturnonthecomputer.Whenyouhearmultiplebeeps,releasetheF1key.Notes:1.IfyouareusingaUSBkeyboardandtheSetupUtilityprogramdoesnotdisplayusingthismethod,repeatedlypressandreleasetheF1keyratherthanleavingitpressedwhenturningonthecomputer.2.IfaPower-OnPasswordoranadministratorpasswordhasbeenset,theSetupUtilityprogrammenuisnotdisplayeduntilyoutypeyourpassword.Formoreinformation,seeUsingpasswords.ViewingandchangingsettingsTheSetupUtilityprogrammenulistsitemsthatidentifysystemcongurationtopics.Tovieworchangesettings,seeStartingtheSetupUtilityprogram.WhenworkingwiththeSetupUtilityprogrammenu,youmustusethekeyboard.Thekeysusedtoperformvarioustasksaredisplayedontherightsideofeachscreen.UsingpasswordsByusingtheSetupUtilityprogram,youcansetpasswordstopreventunauthorizedpersonsfromgainingaccesstoyourcomputeranddata.SeeStartingtheSetupUtilityprogram.Thefollowingtypesofpasswordsareavailable:AdministratorPasswordPower-OnPasswordYoudonothavetosetanypasswordstouseyourcomputer.However,ifyoudecidetosetanypasswords,readthefollowingsections.PasswordconsiderationsApasswordcanbeanycombinationofupto64characters(a-zand0-9)andsymbols.Forsecurityreasons,itisagoodideatouseastrongpasswordthatcannotbeeasilycompromised.Wesuggestthepasswordsshouldadheretothefollowingrules:MusthaveatleastsevencharactersinlengthContainatleastonealphabeticcharacterandonenumericcharacterSetupUtilityprogramandharddiskdrivepasswordsarenotcasesensitiveNotbeyournameoryourusernameCopyrightLenovo13Downloaded from www.Manualslib.com manuals search engine

NotbeacommonwordoracommonnameBesignicantlydifferentfromyourpreviouspasswordAdministratorpasswordWhenaAdministratorPasswordisset,itdetersunauthorizedpersonsfromchangingcongurationsettings.Ifyouareresponsibleformaintainingthesettingsofseveralcomputers,youmightwanttosetaAdministratorPassword.AfteryousetaAdministratorPassword,apasswordpromptisdisplayedeachtimeyoutrytoaccesstheSetupUtilityprogram.IfboththeAdministratorandPower-OnPasswordareset,youcantypeeitherpassword.However,tochangeanycongurationsettings,youmustuseyourAdministratorpassword.Setting,changing,anddeletingaAdministratorpasswordToset,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.PressEnterinNewPasswordandconrmNewPassworddialog.Asetupnoticewilldisplaythatchangeshavebeensaved.3.SelectExit.4.SelectSavechangesandExit.Power-OnPasswordWhenaPower-OnPasswordisset,youcannotstarttheSetupUtilityprogramuntilavalidpasswordistypedfromthekeyboard.Setting,changing,anddeletingaPower-OnPasswordToset,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/C3HardwareMaintenanceManualDownloaded from www.Manualslib.com manuals search engine

TodeleteapreviouslysetPower-OnPassword,dothefollowing:1.FromtheSecuritymenu,selectSetPower-OnPasswordandpressEnter.2.Thepassworddialogboxwillbedisplayed.EnterCurrentPasswordandpressEnter.PressEnterinNewPasswordandconrmNewPassworddialog.Asetupnoticewilldisplaythatchangeshavebeensaved.3.SelectExit.4.SelectSavechangesandExit.UsingDeviceDeviceisusedtoenableordisableuseraccesstothefollowingdevice:USBSetupWhenthisfeatureissettoDisable,thedeviceofUSBSetupisDisabledandwillnotbedisplayedinthesystemconguration.TosetDevice,dothefollowing:1.StarttheSetupUtilityprogram(seeStartingtheSetupUtilityprogramonpage13).2.FromtheSetupUtilityprogrammenu,selectDevices.3.SelectUSBSetup.4.SelectDisabledorEnabledandpressEnter.5.ReturntotheSetupUtilityprogrammenuandpressF10tosavecongurationchangesandexitsetup.Note:Ifyoudonotwanttosavethesettings,selectExitandselectDiscardchangesandExit.YoucansetotherssuchasAudioSetupandNetworkSetup.Seetheinformationdisplayedontherightsideofthescreen.SelectingastartupdeviceIfyourcomputerdoesnotstartup(boot)fromadevicesuchastheCD-ROM,diskette,orharddiskasexpected,useoneofthefollowingprocedurestoselectastartupdevice.SelectingatemporarystartupdeviceUsethisproceduretostartupfromanybootdevice.Note:NotallCDs,harddisks,anddiskettesarebootable.1.Turnoffyourcomputer.2.PressandholdtheF12keythenturnonthecomputer.WhentheStartupDeviceMenuappears,releasetheF12key.Note:IfyouareusingaUSBkeyboardandtheStartupDeviceMenudoesnotdisplayusingthismethod,repeatedlypressandreleasetheF12keyratherthanleavingitpressedwhenturningonthecomputer.3.SelectthedesiredstartupdevicefromtheStartupDeviceMenuandpressEntertobegin.Note:SelectingastartupdevicefromtheStartupDevicemenudoesnotpermanentlychangethestartupsequence.SelectingorchangingthestartupdevicesequenceTovieworpermanentlychangetheconguredstartupdevicesequence,dothefollowing:1.StarttheSetupUtilityprogram(seeStartingtheSetupUtilityprogramonpage13).Chapter5.UsingtheSetupUtility15Downloaded from www.Manualslib.com manuals search engine