Lenovo ideacentre 310A Series Owner's manual

ideacentre310A/510ASeriesHardware
MaintenanceManual
MachineTypes:90GS[310A-15ASR/nergyStar]/90GT
[310A-15IAP/nergyStar]90GU[510A-15ABR/nergyStar]/90GV
[510A-15IKL/nergyStar]

ideacentre310A/510ASeries
HardwareMaintenanceManual
MachineTypes:90GS[310A-15ASR/nergyStar]/90GT
[310A-15IAP/nergyStar]90GU[510A-15ABR/nergyStar]/90GV
[510A-15IKL/nergyStar]

FirstEdition(March2017)3rd
©CopyrightLenovo2017.
LIMITDANDRSTRICTDRIGHTSNOTIC:IfdataorsoftwarearedeliveredpursuantaGeneralServices
Administration“GSA”contract,use,reproduction,ordisclosureissubjecttorestrictionssetforthinContractNo.
GS-35F-05925

Contents
Chapter1.Abotthismanal.....1
ImportantSafetyInformation.........1
Chapter2.Safetyinformation.....3
Generalsafety...............3
lectricalsafety..............3
Safetyinspectionguide...........5
Handlingelectrostaticdischarge-sensitive
devices.................5
Groundingrequirements...........6
Safetynotices...............6
Chapter3.Generalinformation....9
Specifications...............9
Chapter4.GeneralCheckot.....11
Chapter5.UsingtheSetpUtility...13
StartingtheLenovoBIOSSetupUtilityprogram.13
Viewingandchangingsettings........13
Usingpasswords..............13
nablingordisablingadevice........15
Selectingastartupdevice..........16
xitingtheLenovoBIOSSetupUtilityprogram..17
Chapter6.Symptom-to-FRUIndex..19
Harddiskdrivebooterror..........19
PowerSupplyProblems...........19
POSTerrorcodes.............20
Undeterminedproblems...........20
Chapter7.Locatingconnectors,
controlsandcomponents......21
Chapter8.Replacinghardware....29
Generalinformation.............29
Replacingthekeyboardandmouse......30
Removingthecomputercover........30
Replacingthepowersupplyassemby.....31
Removingthefrontbezel..........32
Replacinganopticaldrive..........33
ReplacingtheM.2storagedrive........34
Replacingthe3.5-inchstoragedrive......35
Replacingthe2.5-inchstoragedrive......37
Replacingthefrontcardreader........38
ReplacingthePCIxpresscard........39
Replacingamemorymodule.........40
ReplacingtheWi-Ficard...........42
ReplacingthefrontWi-Fiantenna.......43
ReplacingtherearWi-Fiantenna.......44
Replacingtheheat-sinkandfanassembly....44
Replacingthemicroprocessor........45
Replacingthefrontfan...........47
Replacingtherearfan............48
Replacingthemotherboard..........49
Chapter9.FRUlists..........51
Chapter10.Generalinformation...73
AdditionalServiceInformation........73
©CopyrightLenovo2017iii

ivideacentre310A/510ASeriesHardwareMaintenanceManual

Chapter1.Abotthismanal
ThismanualcontainsserviceandreferenceinformationforLenovoideacentre300seriesdesktopcomputers
listedonthecover.ItisintendedonlyfortrainedservicerswhoarefamiliarwithLenovocomputerproducts.
BeforeservicingaLenovoproduct,besuretoreadtheSafetyInformation.
ThedescriptionoftheTVcardinthismanualisonlyusedforthemachineswhichhavetheTVcard.Itis
invalidforthosemachineswhichdonothaveTVcard.
ImportantSafetyInformation
Besuretoreadallcautionanddangerstatementsinthisbookbeforeperforminganyoftheinstructions.
VeuillezliretouteslesconsignesdetypeDANGRetATTNTIONduprésentdocumentavantd’exécuter
lesinstructions.
LesenSieunbedingtalleHinweisevomTyp“ACHTUNG”oder“VORSICHT”indieserDokumentation,bevor
SieirgendwelcheVorgängedurchführen
LeggereleistruzioniintrodottedaATTNZIONePRICOLOpresentinelmanualeprimadieseguireuna
qualsiasidelleistruzioni
Certifique-sedelertodasasinstruçõesdecuidadoeperigonestemanualantesdeexecutarqualquer
umadasinstruções
simportantequeleatodaslasdeclaracionesdeprecauciónydepeligrodeestemanualantesdeseguir
lasinstrucciones.
©CopyrightLenovo20171

2ideacentre310A/510ASeriesHardwareMaintenanceManual

Chapter2.Safetyinformation
Thischaptercontainsthesafetyinformationthatyouneedtobefamiliarwithbeforeservicingacomputer.
Generalsafety
Followtheserulestoensuregeneralsafety:
•Observegoodhousekeepingintheareaofthemachinesduringandaftermaintenance.
•Whenliftinganyheavyobject:
1.nsureyoucanstandsafelywithoutslipping.
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.nsurethatyoursleeves
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:
Electricalcrrentfrompower,telephone,andcommnicationcablescanbehazardos.Toavoid
personalinjryoreqipmentdamage,disconnecttheattachedpowercords,telecommnication
systems,networks,andmodemsbeforeyoopenthecomptercovers,nlessinstrctedotherwise
intheinstallationandconfigrationprocedres.
©CopyrightLenovo20173

Observethefollowingruleswhenworkingonelectricalequipment.
Important:Useonlyapprovedtoolsandtestequipment.Somehandtoolshavehandlescoveredwithasoft
materialthatdoesnotinsulateyouwhenworkingwithliveelectricalcurrents.Manycustomershave,near
theirequipment,rubberfloormatsthatcontainsmallconductivefiberstodecreaseelectrostaticdischarges.
Donotusethistypeofmattoprotectyourselffromelectricalshock.
•Findtheroomemergencypower-off(PO)switch,disconnectingswitch,orelectricaloutlet.Ifanelectrical
accidentoccurs,youcanthenoperatetheswitchorunplugthepowercordquickly.
•Donotworkaloneunderhazardousconditionsornearequipmentthathashazardousvoltages.
•Disconnectallpowerbefore:
–Performingamechanicalinspection
–Workingnearpowersupplies
–RemovingorinstallingFieldReplaceableUnits(FRUs)
•Beforeyoustarttoworkonthemachine,unplugthepowercord.Ifyoucannotunplugit,askthecustomer
topower-offthewallboxthatsuppliespowertothemachineandtolockthewallboxintheoffposition.
•Ifyouneedtoworkonamachinethathasexposedelectricalcircuits,observethefollowingprecautions:
–nsurethatanotherperson,familiarwiththepower-offcontrols,isnearyou.
Remember:Anotherpersonmustbetheretoswitchoffthepower,ifnecessary.
–Useonlyonehandwhenworkingwithpowered-onelectricalequipment;keeptheotherhandinyour
pocketorbehindyourback.
Remember:Theremustbeacompletecircuittocauseelectricalshock.Byobservingtheaboverule,
youmaypreventacurrentfrompassingthroughyourbody.
–Whenusingatester,setthecontrolscorrectlyandusetheapprovedprobeleadsandaccessoriesfor
thattester.
–Standonsuitablerubbermats(obtainedlocally,ifnecessary)toinsulateyoufromgroundssuchas
metalfloorstripsandmachineframes.
Observethespecialsafetyprecautionswhenyouworkwithveryhighvoltages;theseinstructionsarein
thesafetysectionsofmaintenanceinformation.Useextremecarewhenmeasuringhighvoltages.
•Regularlyinspectandmaintainyourelectricalhandtoolsforsafeoperationalcondition.
•Donotusewornorbrokentoolsandtesters.
•Neverassumethatpowerhasbeendisconnectedfromacircuit.First,checkthatithasbeenpowered-off.
•Alwayslookcarefullyforpossiblehazardsinyourworkarea.xamplesofthesehazardsaremoistfloors,
nongroundedpowerextensioncables,powersurges,andmissingsafetygrounds.
•Donottouchliveelectricalcircuitswiththereflectivesurfaceofaplasticdentalmirror.Thesurfaceis
conductive;suchtouchingcancausepersonalinjuryandmachinedamage.
•Donotservicethefollowingpartswiththepoweronwhentheyareremovedfromtheirnormaloperating
placesinamachine:
–Powersupplyunits
–Pumps
–Blowersandfans
–Motorgenerators
andsimilarunits.(Thispracticeensurescorrectgroundingoftheunits.)
•Ifanelectricalaccidentoccurs:
–Usecaution;donotbecomeavictimyourself.
–Switchoffpower.
4ideacentre310A/510ASeriesHardwareMaintenanceManual

–Sendanotherpersontogetmedicalaid.
Safetyinspectiongide
Theintentofthisinspectionguideistoassistyouinidentifyingpotentiallyunsafeconditionsonthese
products.achmachine,asitwasdesignedandbuilt,hadrequiredsafetyitemsinstalledtoprotectusers
andservicepersonnelfrominjury.Thisguideaddressesonlythoseitems.However,goodjudgmentshould
beusedtoidentifypotentialsafetyhazardsduetoattachmentoffeaturesoroptionsnotcoveredbythis
inspectionguide.
Ifanyunsafeconditionsarepresent,youmustdeterminehowserioustheapparenthazardcouldbeand
whetheryoucancontinuewithoutfirstcorrectingtheproblem.
Considertheseconditionsandthesafetyhazardstheypresent:
•lectricalhazards,especiallyprimarypower(primaryvoltageontheframecancauseseriousorfatal
electricalshock).
•xplosivehazards,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.Thepowercordshouldbetheappropriatetypeasspecifiedinthepartslistings.
c.Insulationmustnotbefrayedorworn.
4.Removethecover.
5.Checkforanyobviousalterations.Usegoodjudgmentastothesafetyofanyalterations.
6.Checkinsidetheunitforanyobviousunsafeconditions,suchasmetalfilings,contamination,wateror
otherliquids,orsignsoffireorsmokedamage.
7.Checkforworn,frayed,orpinchedcables.
8.Checkthatthepower-supplycoverfasteners(screwsorrivets)havenotbeenremovedortamperedwith.
Handlingelectrostaticdischarge-sensitivedevices
Anycomputerpartcontainingtransistorsorintegratedcircuits(ICs)shouldbeconsideredsensitiveto
electrostaticdischarge(SD).SDdamagecanoccurwhenthereisadifferenceinchargebetweenobjects.
ProtectagainstSDdamagebyequalizingthechargesothatthemachine,thepart,theworkmat,andthe
personhandlingthepartareallatthesamecharge.
Notes:
1.Useproduct-specificSDprocedureswhentheyexceedtherequirementsnotedhere.
2.MakesurethattheSDprotectivedevicesyouusehavebeencertified(ISO9000)asfullyeffective.
WhenhandlingSD-sensitiveparts:
•Keepthepartsinprotectivepackagesuntiltheyareinsertedintotheproduct.
Chapter2.Safetyinformation5

•Avoidcontactwithotherpeoplewhilehandlingthepart.
•Wearagroundedwriststrapagainstyourskintoeliminatestaticonyourbody.
•Preventthepartfromtouchingyourclothing.Mostclothingisinsulativeandretainsachargeeven
whenyouarewearingawriststrap.
•Usetheblacksideofagroundedworkmattoprovideastatic-freeworksurface.Thematisespecially
usefulwhenhandlingSD-sensitivedevices.
•Selectagroundingsystem,suchasthoselistedbelow,toprovideprotectionthatmeetsthespecific
servicerequirement.
Note:TheuseofagroundingsystemisdesirablebutnotrequiredtoprotectagainstSDdamage.
–AttachtheSDgroundcliptoanyframeground,groundbraid,orgreen-wireground.
–UseanSDcommongroundorreferencepointwhenworkingonadouble-insulatedor
battery-operatedsystem.Youcanusecoaxorconnector-outsideshellsonthesesystems.
–Usetheroundground-prongoftheacplugonac-operatedcomputers.
Grondingreqirements
lectricalgroundingofthecomputerisrequiredforoperatorsafetyandcorrectsystemfunction.Proper
groundingoftheelectricaloutletcanbeverifiedbyacertifiedelectrician.
Safetynotices
Thecautionanddangersafetynoticesinthissectionareprovidedinthelanguageofnglish.
DANGER
lectricalcurrentfrompower,telephoneandcommunicationcablesishazardous.
Toavoidashockhazard:
•Donotconnectordisconnectanycablesorperforminstallation,maintenance,orreconfigration
ofthisprodctdringanelectricalstorm.
•Connectallpowercordstoaproperlywiredandgrondedelectricalotlet.
•Connecttoproperlywiredotletsanyeqipmentthatwillbeattachedtothisprodct.
•Whenpossible,seonehandonlytoconnectordisconnectsignalcables.
•Nevertrnonanyeqipmentwhenthereisevidenceoffire,water,orstrctraldamage.
•Disconnecttheattachedpowercords,telecommnicationssystems,networks,andmodems
beforeyoopenthedevicecovers,nlessinstrctedotherwiseintheinstallationandconfigration
procedres.
•Connectanddisconnectcablesasdescribedinthefollowingtablewheninstalling,moving,or
openingcoversonthisprodctorattacheddevices.
6ideacentre310A/510ASeriesHardwareMaintenanceManual

ToConnectToDisconnect
1.TurneverythingOFF .
2.First,attachallcablestodevices.
3.Attachsignalcablestoconnectors.
4.Attachpowercordstooutlet.
5.TurndeviceON.
1.TurneverythingOFF .
2.First,removepowercordsfromoutlet.
3.Removesignalcablesfromconnectors.
4.Removeallcablesfromdevices.
CAUTION:
Whenreplacingthelithimbattery,seonlyPartNmber45C1566oraneqivalenttypebattery
recommendedbythemanfactrer.Ifyorsystemhasamodlecontainingalithimbattery,replace
itonlywiththesamemodletypemadebythesamemanfactrer.Thebatterycontainslithimand
canexplodeifnotproperlysed,handled,ordisposedof.
Donot:
•Throworimmerseintowater
•Heattomorethan100°C(212°F)
•Repairordisassemble
Disposeofthebatteryasreqiredbylocalordinancesorreglations.
CAUTION:
Whenlaserprodcts(schasCD-ROMs,DVD-ROMdrives,fiberopticdevices,ortransmitters)are
installed,notethefollowing:
•Donotremovethecovers.Removingthecoversofthelaserprodctcoldresltinexposreto
hazardoslaserradiation.Therearenoserviceablepartsinsidethedevice.
•Useofcontrolsoradjstmentsorperformanceofprocedresotherthanthosespecifiedherein
mightresltinhazardosradiationexposre.
DANGER
SomelaserprodctscontainanembeddedClass3AorClass3Blaserdiode.Notethefollowing:
Laserradiationwhenopen.Donotstareintothebeam,donotviewdirectlywithoptical
instrments,andavoiddirectexposretothebeam.
Chapter2.Safetyinformation7

≥18kg(37lbs)≥32kg(70.5lbs)≥55kg(121.2lbs)
CAUTION:
Usesafepracticeswhenlifting.
CAUTION:
Thepowercontrolbttononthedeviceandthepowerswitchonthepowerspplydonottrnoff
theelectricalcrrentsppliedtothedevice.Thedevicealsomighthavemorethanonepower
cord.Toremoveallelectricalcrrentfromthedevice,ensrethatallpowercordsaredisconnected
fromthepowersorce.
1
2
CAUTION:
Donotplaceanyobjectweighingmorethan82kg(180lbs.)ontopofrack-monteddevices.
8ideacentre310A/510ASeriesHardwareMaintenanceManual

Chapter3.Generalinformation
Thischapterprovidesgeneralinformationthatappliestoallmachinetypessupportedbythispublication.
Specifications
Thissectionliststhephysicalspecificationsforyourcomputer.
Thissectionliststhephysicalspecificationsforyorcompter.
Thissectionliststhephysicalspecifications.
Environment
Airtemperature:
Operating:10°to35°C
Transit:-20°to55°C
Humidity:
Operating:35%to80%
Transit:20%to90%(40°C)
Altitude:86KPato106KPa
lectricalinput:
Inputvoltage:90V-264V(AC)
Inputfrequency:47Hz-63Hz
©CopyrightLenovo20179

10ideacentre310A/510ASeriesHardwareMaintenanceManual

Chapter4.GeneralCheckot
Attention:Thedrivesinthecomputeryouareservicingmighthavebeenrearrangedorthedrivestartup
sequencechanged.Beextremelycarefulduringwriteoperationssuchascopying,saving,orformatting.
Dataorprogramscanbeoverwrittenifyouselectanincorrectdrive.
Generalerrormessagesappearifaproblemorconflictisfoundbyanapplicationprogram,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.Iftheteststopsandyoucannotcontinue,replacethelastdevicetested.
©CopyrightLenovo201711

12ideacentre310A/510ASeriesHardwareMaintenanceManual

Chapter5.UsingtheSetpUtility
TheSetupUtilityprogramisusedtoviewandchangetheconfigurationsettingsofyourcomputer,regardless
ofwhichoperatingsystemyouareusing.However,theoperating-systemsettingsmightoverrideanysimilar
settingsintheSetupUtilityprogram.
StartingtheLenovoBIOSSetpUtilityprogram
TostarttheLenovoBIOSSetupUtilityprogram,dothefollowing:
1.Ifyourcomputerisalreadyonwhenyoustartthisprocedure,shutdowntheoperatingsystemand
turnoffthecomputer.
2.PressandholdtheF1key,andthenturnonthecomputer.WhentheLenovoBIOSSetupUtilityprogram
isdisplayed,releasetheF1key.
Note:IfaPower-OnPasswordoranAdministratorPasswordhasbeenset,theSetupUtilityprogrammenu
isnotdisplayeduntilyoutypeyourpassword.Formoreinformation,see“Usingpasswords.”
Viewingandchangingsettings
SystemconfigurationoptionsarelistedintheLenovoBIOSSetupUtilityprogrammenu.Tovieworchange
settings,see“StartingtheSetupUtilityprogram.”
YoumustusethekeyboardwhenusingtheLenovoBIOSSetupUtilitymenu.Thekeysusedtoperform
varioustasksaredisplayedonthebottomofeachscreen.
Usingpasswords
YoucanusetheLenovoBIOSSetupUtilityprogramtosetpasswordstopreventunauthorizedpersons
fromgainingaccesstoyourcomputeranddata.See“StartingtheSetupUtilityprogram.”Thefollowing
typesofpasswordsareavailable:
•AdministratorPassword
•Power-OnPassword
Youdonothavetosetanypasswordstouseyourcomputer.However,ifyoudecidetosetpasswords,read
thefollowingsections.
Passwordconsiderations
Apasswordcanbeanycombinationoflettersandnumbersupto16character(a-z,and0-9).Forsecurity
reasons,itisagoodideatouseastrongpasswordthatcannotbeeasilycompromised.Wesuggestthat
passwordsshouldfollowtheserules:
•Strongpasswordscontain7-16characters,combinelettersandnumbers.
•Donotuseyournameoryourusername.
•Donotuseacommonwordoracommonname.
•Besignificantlydifferentfromyourpreviouspassword.
Attention:AdministratorandPower-Onpasswordsarenotcasesensitive
©CopyrightLenovo201713

AdministratorPassword
SettinganAdministratorPassworddetersunauthorizedpersonsfromchangingconfigurationsettings.Y ou
mightwanttosetanAdministratorPasswordifyouareresponsibleformaintainingthesettingsofseveral
computers.
AfteryousetanAdministratorPassword,apasswordpromptisdisplayedeverytimeyouaccesstheLenovo
BIOSSetupUtilityprogram.
IfboththeAdministratorandPower-OnPasswordareset,youcantypeeitherpassword.However,youmust
useyourAdministratorPasswordtochangeanyconfigurationsettings.
Setting,changing,ordeletinganAdministratorpassword
TosetanAdministratorPassword,dothefollowing:
Note:Apasswordcanbeanycombinationoflettersandnumbersupto16character(a-z,and0-9).For
moreinformation,see“Passwordconsiderations”onpage13.
1.StarttheLenovoBIOSSetupUtilityprogram(see“StartingtheLenovoBIOSSetupUtilityprogram”on
page13).
2.FromtheSecritymenu,selectSetAdministratorPasswordandpresstheEnterkey.
3.Thepassworddialogboxwillbedisplayed.Typethepassword,andthenpresstheEnterkey.
4.Re-typethepasswordtoconfirm,andthenpresstheEnterkey.Ifyoutypethepasswordcorrectly,
thepasswordwillbeinstalled.
TochangeanAdministratorPassword,dothefollowing:
1.StarttheLenovoBIOSSetupUtilityprogram(see“StartingtheLenovoBIOSSetupUtilityprogram”on
page13).
2.FromtheSecritymenu,selectSetAdministratorPasswordandpresstheEnterkey.
3.Thepassworddialogboxwillbedisplayed.Typethecurrentpassword,andthenpressEnterkey.
4.Typethenewpassword,andthenpressEnterkey.Re-typethepasswordtoconfirmthenewpassword,
ifyoutypethenewpasswordcorrectly,thenewpasswordwillbeinstalled.ASetupNoticewilldisplay
thatchangeshavebeensaved.
TodeleteapreviouslysetAdministratorPassword,dothefollowing:
1.FromtheSecritymenu,selectSetAdministratorPasswordandpresstheEnterkey.
2.Thepassworddialogboxwillbedisplayed.TypethecurrentpasswordandpresstheEnterkey.
3.TodeleteanAdministratorPassword,Enterblankfieldsforeachnewpasswordlineitem.Asetup
noticewilldisplaythatchangeshavebeensaved.
4.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.
5.SelectSavechangesandExitfromthemenu.
Power-OnPassword
WhenaPower-OnPasswordisset,youcannotstarttheLenovoBIOSSetupUtilityprogramuntilavalid
passwordistypedfromthekeyboard.
Setting,changing,ordeletingaPower-OnPassword
Note:Apasswordcanbeanycombinationoflettersandnumbersupto16character(a-z,and0-9).
14ideacentre310A/510ASeriesHardwareMaintenanceManual