Lenovo YOGA HOME 500 User manual

YOGAHOME500All-In-OnePCHardware
MaintenanceManual
MachineTypes:F0A[YOGAHome500-22IBU/Energytar]

YOGAHOME500All-In-OnePC
HardwareMaintenanceManual
MachineTypes:F0A[YOGAHome500-22IBU/Energytar]

ThirdEdition(August2015)20th
©CopyrightLenovo2015,2015.
LIMITEDANDRETRICTEDRIGHTNOTICE:IfdataorsoftwarearedeliveredpursuantaGeneralervices
Administration“GA”contract,use,reproduction,ordisclosureissubjecttorestrictionssetforthinContractNo.
G-35F-05925

Contents
Chapter1.Aboutthismanua.....1
ImportantafetyInformation.........1
Chapter2.Safetyinformation.....3
Generalsafety...............3
Electricalsafety..............3
afetyinspectionguide...........5
Handlingelectrostaticdischarge-sensitive
devices.................5
Groundingrequirements...........6
afetynotices...............6
Chapter3.Generainformation....9
pecifications...............9
Chapter4.GeneraCheckout.....11
Chapter5.UsingtheSetupUtiity...13
tartingtheLenovoBIOetupUtilityprogram.13
Viewingandchangingsettings........13
Usingpasswords..............13
Enablingordisablingadevice........15
electingastartupdevice..........16
Changingbootingmode...........17
ExitingtheLenovoBIOetupUtilityprogram..17
Chapter6.Symptom-to-FRUIndex..19
Harddiskdrivebooterror..........19
PowerupplyProblems...........19
POTerrorcodes.............20
Undeterminedproblems...........20
Chapter7.Locatingconnectors,
controsandcomponents......21
Chapter8.Repacinghardware....25
Generalinformation.............25
Replacingthekeyboardandmouse......26
Replacingthepoweradapter.........26
Replacingthebattery............28
Removingtherearcover...........29
Replacingamemorymodule.........32
Replacingtheharddiskdrive.........33
Replacingthespeakersystem........34
Replacingtheconverterboard........35
Replacingthepowerswitchboard.......36
ReplacingtheWi-Ficard...........37
Replacingthesystemfan..........38
Replacingtheheat-sink...........39
Replacingthemotherboard..........40
Replacingthecamera............41
ReplacingtheLEDpanelmodule.......42
Chapter9.FRUists..........45
Chapter10.AdditionaService
Information..............51
©CopyrightLenovo2015,2015iii

ivYOGAHOME500All-In-OnePCHardwareMaintenanceManual

Chapter1.Aboutthismanua
ThismanualcontainsserviceandreferenceinformationforYOGAHOME500All-In-Onecomputerslistedon
thecover.ItisintendedonlyfortrainedservicerswhoarefamiliarwithLenovocomputerproducts.
BeforeservicingaLenovoproduct,besuretoreadtheafetyInformation.
ThedescriptionoftheTV-tunercardinthismanualappliesonlytocomputerswithaTV-tunercardinstalled.
ItdoesnotapplytocomputerswithoutaTV-tunercard.
ImportantSafetyInformation
BesuretoreadallCAUTIONandDANGERsectionsinthismanualbeforefollowinganyoftheinstructions.
VeuillezliretouteslesconsignesdetypeDANGERetATTENTIONduprésentdocumentavantd’exécuter
lesinstructions.
LesenieunbedingtalleHinweisevomTyp“ACHTUNG”oder“VORICHT”indieserDokumentation,bevor
ieirgendwelcheVorgängedurchführen
LeggereleistruzioniintrodottedaATTENZIONEePERICOLOpresentinelmanualeprimadieseguireuna
qualsiasidelleistruzioni
Certifique-sedelertodasasinstruçõesdecuidadoeperigonestemanualantesdeexecutarqualquer
umadasinstruções
Esimportantequeleatodaslasdeclaracionesdeprecauciónydepeligrodeestemanualantesdeseguir
lasinstrucciones.
©CopyrightLenovo2015,20151

2YOGAHOME500All-In-OnePCHardwareMaintenanceManual

Chapter2.Safetyinformation
Thischaptercontainsthesafetyinformationthatyouneedtobefamiliarwithbeforeservicingacomputer.
Generasafety
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.
Eectricasafety
CAUTION:
Eectricacurrentfrompower,teephone,andcommunicationcabescanbehazardous.Toavoid
personainjuryorequipmentdamage,disconnectanyattachedpowercords,teecommunication
cabes,networkcabes,andmodemcabesbeforeyouopenthecomputercovers,unessinstructed
otherwiseintheinstaationandconfigurationprocedures.
©CopyrightLenovo2015,20153

Observethefollowingruleswhenworkingonelectricalequipment.
Important:Useonlyapprovedtoolsandtestequipment.omehandtoolshavehandlescoveredwithasoft
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.
–tandonsuitablerubbermats(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.
4YOGAHOME500All-In-OnePCHardwareMaintenanceManual

–witchoffpower.
–endanotherpersontogetmedicalaid.
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.
Handingeectrostaticdischarge-sensitivedevices
Anycomputerpartcontainingtransistorsorintegratedcircuits(ICs)shouldbeconsideredsensitiveto
electrostaticdischarge(ED).EDdamagecanoccurwhenthereisadifferenceinchargebetweenobjects.
ProtectagainstEDdamagebyequalizingthechargesothatthecomputer,thepart,theworkmat,andthe
personhandlingthepartareallatthesamecharge.
Notes:
1.Useproduct-specificEDprocedureswhentheyexceedtherequirementsnotedhere.
2.MakesurethattheEDprotectivedevicesyouusehavebeencertified(IO9000)asfullyeffective.
WhenhandlingED-sensitiveparts:
Chapter2.afetyinformation5

•Keepthepartsinprotectivepackagesuntiltheyareinsertedintotheproduct.
•Avoidcontactwithotherpeoplewhilehandlingthepart.
•Wearagroundedwriststrapagainstyourskintoeliminatestaticonyourbody.
•Preventthepartfromtouchingyourclothing.Mostclothingisinsulativeandretainsachargeeven
whenyouarewearingawriststrap.
•Usetheblacksideofagroundedworkmattoprovideastatic-freeworksurface.Thematisespecially
usefulwhenhandlingED-sensitivedevices.
•electagroundingsystem,suchasthoselistedbelow,toprovideprotectionthatmeetsthespecific
servicerequirement.
Note:TheuseofagroundingsystemisdesirablebutnotrequiredtoprotectagainstEDdamage.
–AttachtheEDgroundcliptoanyframeground,groundbraid,orgreen-wireground.
–UseanEDcommongroundorreferencepointwhenworkingonadouble-insulatedor
battery-operatedsystem.Youcanusecoaxorconnector-outsideshellsonthesesystems.
–Usetheroundground-prongoftheACplugonAC-operatedcomputers.
Groundingrequirements
Electricalgroundingofthecomputerisrequiredforoperatorsafetyandcorrectsystemfunction.Proper
groundingoftheelectricaloutletcanbeverifiedbyacertifiedelectrician.
Safetynotices
TheCAUTIONandDANGERsafetynoticesinthissectionareprovidedinthelanguageofEnglish.
DANGER
Electricalcurrentfrompower,telephoneandcommunicationcablesishazardous.
Toavoidashockhazard:
•Donotconnectordisconnectanycabesorperforminstaation,maintenance,orreconfiguration
ofthisproductduringaneectricastorm.
•Connectapowercordstoaproperywiredandgroundedeectricaoutet.
•Connectanyequipmentthatwibeattachedtothisproducttoaproperywiredoutet.
•Whenpossibe,useonehandonytoconnectordisconnectsignacabes.
•Neverturnonanyequipmentwhenthereisevidenceoffire,water,orstructuradamage.
•Disconnecttheattachedpowercords,teecommunicationscabes,networkcabes,andmodem
cabesbeforeyouopenthedevicecovers,unessinstructedotherwiseintheinstaationand
configurationprocedures.
•Connectanddisconnectcabesasdescribedinthefoowingtabewheninstaing,moving,or
openingcoversonthisproductorattacheddevices.
6YOGAHOME500All-In-OnePCHardwareMaintenanceManual

ToConnectToDisconnect
1.TurneverythingOFF .
2.First,attachallcablestodevices.
3.Attachsignalcablestoconnectors.
4.Attachpowercordstooutlet.
5.TurndeviceON.
1.TurneverythingOFF .
2.First,removepowercordsfromoutlets.
3.Removesignalcablesfromconnectors.
4.Removeallcablesfromdevices.
CAUTION:
Whenrepacingtheithiumbattery,useonyPartNumber45C1566oranequivaenttypebattery
recommendedbythemanufacturer.Ifyoursystemhasamoduecontainingaithiumbattery,repace
itonywiththesamemoduetypemadebythesamemanufacturer.Thebatterycontainsithiumand
canexpodeifnotproperyused,handed,ordisposedof.
Donot:
•Throwintoorimmerseinwater
•Heattomorethan100°C(212°F)
•Repairordisassembe
Disposeofthebatteryasrequiredbyocaordinancesorreguations.
CAUTION:
Whenaserproducts(suchasCD-ROMs,DVD-ROMdrives,fiberopticdevices,ortransmitters)are
instaed,notethefoowing:
•Donotremovethecovers.Removingthecoversoftheaserproductcoudresutinexposureto
hazardousaserradiation.Therearenoserviceabepartsinsidethedevice.
•Useofcontrosoradjustmentsorperformanceofproceduresotherthanthosespecifiedherein
mightresutinhazardousradiationexposure.
DANGER
SomeaserproductscontainanembeddedCass3AorCass3Baserdiode.Notethefoowing:
Thesediodesemitradiationwhenopen.Donotstareintothebeam,donotviewdirectywith
opticainstruments,andavoiddirectexposuretothebeam.
Chapter2.afetyinformation7

≥18kg(37bs)≥32kg(70.5bs)≥55kg(121.2bs)
CAUTION:
Usesafepracticeswhenifting.
CAUTION:
Thepowercontrobuttononthedeviceandthepowerswitchonthepowersuppydonotturnoff
theeectricacurrentsuppiedtothedevice.Thedeviceasomighthavemorethanonepower
cord.Toremoveaeectricacurrentfromthedevice,ensurethatapowercordsaredisconnected
fromthepowersource.
1
2
CAUTION:
Donotpaceanyobjectweighingmorethan82kg(180bs.)ontopofrack-mounteddevices.
8YOGAHOME500All-In-OnePCHardwareMaintenanceManual

Chapter3.Generainformation
Thischapterprovidesgeneralinformationthatappliestoallcomputermodelscoveredbythismanual.
Specifications
Thissectionliststhephysicalspecificationsforyourcomputer.
Thissectioniststhephysicaspecificationsforyourcomputer.
TypeYOGAHOME500
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
©CopyrightLenovo2015,20159

10YOGAHOME500All-In-OnePCHardwareMaintenanceManual

Chapter4.GeneraCheckout
Attention:Thedrivesinthecomputeryouareservicingmighthavebeenrearrangedorthedrivestartup
sequencemayhavebeenchanged.Beextremelycarefulduringwriteoperationssuchascopying,saving,or
formatting.Dataorprogramscanbeoverwrittenifyouselectanincorrectdrive.
Generalerrormessagesappearifaproblemorconflictisfoundbyanapplication,theoperatingsystem,or
both.Foranexplanationofthesemessages,refertotheinformationsuppliedwiththatsoftwarepackage.
Usethefollowingproceduretohelpdeterminethecauseoftheproblem:
1.Power-offthecomputerandallexternaldevices.
2.Checkallcablesandpowercords.
3.etalldisplaycontrolstothemiddleposition.
4.Power-onallexternaldevices.
5.Power-onthecomputer.
•Lookfordisplayederrorcodes.
•Lookforreadableinstructionsoramainmenuonthedisplay.
Ifyoudidnotreceivethecorrectresponse,proceedtostep6.
Ifyoudidreceivethecorrectresponse,proceedtostep7.
6.Ifoneofthefollowinghappens,followtheinstructiongiven:
•IfthecomputerdisplaysaPOTerror,goto“POTerrorcodes” .
•Ifthecomputerhangsandnoerrorisdisplayed,continueatstep7.
7.Iftheteststopsandyoucannotcontinue,replacethelastdevicetested.
©CopyrightLenovo2015,201511

12YOGAHOME500All-In-OnePCHardwareMaintenanceManual

Chapter5.UsingtheSetupUtiity
TheetupUtilityprogramisusedtoviewandchangetheconfigurationsettingsofyourcomputer,regardless
ofwhichoperatingsystemyouareusing.However,theoperatingsystemsettingsmightoverrideanysimilar
settingsintheetupUtilityprogram.
StartingtheLenovoBIOSSetupUtiityprogram
TostarttheLenovoBIOetupUtilityprogram,dothefollowing:
1.Ifyourcomputerisalreadyonwhenyoustartthisprocedure,shutdowntheoperatingsystemand
turnoffthecomputer.
2.PressandholdtheF1keythenturnonthecomputer.WhentheLenovoBIOetupUtilityprogramis
displayed,releasetheF1key.
Note:IfaPower-OnPasswordoranAdministratorPasswordhasbeenset,theetupUtilityprogrammenu
willnotbedisplayeduntilyoutypeyourpassword.Formoreinformation,see“Usingpasswords.”
Viewingandchangingsettings
ystemconfigurationoptionsarelistedintheLenovoBIOetupUtilityprogrammenu.Tovieworchange
settings,see“tartingtheetupUtilityprogram.”
YoumustusethekeyboardwhenusingtheLenovoBIOetupUtilitymenu.Thekeysusedtoperform
varioustasksaredisplayedonthebottomofeachscreen.
Usingpasswords
YoucanusetheLenovoBIOetupUtilityprogramtosetpasswordstopreventunauthorizedpersons
fromgainingaccesstoyourcomputeranddata.ee“tartingtheetupUtilityprogram.”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.
©CopyrightLenovo2015,201513

AdministratorPassword
ettinganAdministratorPassworddetersunauthorizedpersonsfromchangingconfigurationsettings.You
mightwanttosetanAdministratorPasswordifyouareresponsibleformaintainingthesettingsofseveral
computers.
AfteryousetanAdministratorPassword,apasswordpromptisdisplayedeverytimeyouaccesstheLenovo
BIOetupUtilityprogram.
IfboththeAdministratorandPower-OnPasswordareset,youcantypeeitherpassword.However,youmust
useyourAdministratorPasswordtochangeanyconfigurationsettings.
Setting,changing,ordeetinganAdministratorPassword
TosetanAdministratorPassword,dothefollowing:
Note:Apasswordcanbeanycombinationoflettersandnumbersupto16characters(a-zand0-9).For
moreinformation,see“Passwordconsiderations”onpage13.
1.tarttheLenovoBIOetupUtilityprogram(see“tartingtheLenovoBIOetupUtilityprogram”on
page13).
2.FromtheSecuritymenu,selectSetAdministratorPasswordandpresstheEnterkey.
3.Thepassworddialogboxwillbedisplayed.TypethepasswordthenpresstheEnterkey.
4.Retypethepasswordtoconfirm,thenpresstheEnterkey.Ifyoutypedthepasswordcorrectly,the
passwordwillbeinstalled.AetupNoticewillbedisplayedconfirmingthatyourchangeshasbeen
saved.
5.ReturntotheLenovoBIOetupUtilityprogrammenuandselecttheExitoption.
6.electSaveChangesandExitfromthemenu.
TochangeanAdministratorPassword,dothefollowing:
1.tarttheLenovoBIOetupUtilityprogram(see“tartingtheLenovoBIOetupUtilityprogram”on
page13).
2.FromtheSecuritymenu,selectSetAdministratorPasswordandpresstheEnterkey.
3.Thepassworddialogboxwillbedisplayed.TypethecurrentpasswordthenpresstheEnterkey.
4.Typethenewpassword,thenpresstheEnterkey.Retypethenewpasswordtoconfirmit.Ifyoutyped
thenewpasswordcorrectly,thenewpasswordwillbeinstalled.AetupNoticewillbedisplayed
confirmingthatyourchangeshavebeensaved.
5.ReturntotheLenovoBIOetupUtilityprogrammenuandselecttheExitoption.
6.electSaveChangesandExitfromthemenu.
TodeleteapreviouslysetAdministratorPassword,dothefollowing:
1.tarttheLenovoBIOetupUtilityprogram(see“tartingtheLenovoBIOetupUtilityprogram”on
page13).
2.FromtheSecuritymenu,selectSetAdministratorPasswordandpresstheEnterkey.
3.Thepassworddialogboxwillbedisplayed.TypethecurrentpasswordandpresstheEnterkey.
4.Leaveeachnewpasswordlineitemblank,thenpresstheEnterkey.AetupNoticewillbedisplayed
confirmingthatyourchangeshavebeensaved.
5.ReturntotheLenovoBIOetupUtilityprogrammenuandselecttheExitoption.
6.electSaveChangesandExitfromthemenu.
14YOGAHOME500All-In-OnePCHardwareMaintenanceManual