Lenovo ideacentre AIO 520-27 IKL Hardware Maintenance Manual [en, ar, bg, cs, da, de, el, es, et, fi, fr, he, hr, hu, it, ja, ko, nb, nl, pl, pt, ro, ru, sk, sl, sr, sv, th, tr, uk, zh]
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ideacentreAll-In-One520(27inch)Computer
HardwareMaintenanceManual
MachineTypes:F0D0[AIO520-27IKL/EnergyStar]
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ideacentreAll-In-One520(27inch)Computer
HardwareMaintenanceManual
MachineTypes:F0D0[AIO520-27IKL/EnergyStar]
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FirstEdition(July2017)
©CopyrightLenovo2017.
LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwarearedeliveredpursuantaGeneralServices
Administration“GSA”contract,use,reproduction,ordisclosureissubjecttorestrictionssetforthinContractNo.
GS-35F-05925
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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
ExitingtheLenovoBIOSSetupUtilityprogram..17
Chapter8.Replacinghardware....31
Generalinformation.............31
Replacingthekeyboardandmouse......32
Replacingtheadapter............32
Removingthestandbase..........33
Replacingtheopticaldrive..........33
Removingtherearcover...........36
Removingthemotherboardframe.......40
Replacingthecamera............41
Replacingtheheat-sink...........43
Replacingtheharddiskdrive.........44
Removingthestandholder..........46
Replacingthesystemfan..........46
Replacingthememorymodule........47
Replacingthesolidstatedrive........49
ReplacingtheWi-Ficard...........50
ReplacingthesideUSBboard........51
ReplacingtheCPU.............52
Replacingthemotherboard..........54
Replacingthespeakersystem........55
ReplacingtheMicrophonemodule.......56
Replacingthepowerswitchmodule......57
ReplacingtheLCDpanelmodule.......58
Chapter6.Symptom-to-FRUIndex..19
Harddiskdrivebooterror..........19
PowerSupplyProblems...........19
POSTerrorcodes.............20
Undeterminedproblems...........20
Chapter7.Locatingconnectors,
controlsandcomponents......21
Chapter9.FRUlists..........61
Chapter10.Generalinformation...69
AdditionalServiceInformation........69
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Chapter1.Aboutthismanual
ThismanualcontainsserviceandreferenceinformationforLenovoAll-In-One520seriescomputerslistedon
thecover.ItisintendedonlyfortrainedservicerswhoarefamiliarwithLenovocomputerproducts.
BeforeservicingaLenovoproduct,besuretoreadtheSafetyInformation.
ThedescriptionoftheTV-tunercardinthismanualappliesonlytocomputerswithaTV-tunercardinstalled.
ItdoesnotapplytocomputerswithoutaTV-tunercard.
ImportantSafetyInformation
BesuretoreadallCAUTIONandDANGERsectionsinthismanualbeforefollowinganyoftheinstructions.
VeuillezliretouteslesconsignesdetypeDANGERetATTENTIONduprésentdocumentavantd’exécuter
lesinstructions.
LesenSieunbedingtalleHinweisevomTyp“ACHTUNG”oder“VORSICHT”indieserDokumentation,bevor
SieirgendwelcheVorgängedurchführen
LeggereleistruzioniintrodottedaA TTENZIONEePERICOLOpresentinelmanualeprimadieseguireuna
qualsiasidelleistruzioni
Certifique-sedelertodasasinstruçõesdecuidadoeperigonestemanualantesdeexecutarqualquer
umadasinstruções
Esimportantequeleatodaslasdeclaracionesdeprecauciónydepeligrodeestemanualantesdeseguir
lasinstrucciones.
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Chapter2.Safetyinformation
Thischaptercontainsthesafetyinformationthatyouneedtobefamiliarwithbeforeservicingacomputer.
Generalsafety
Followtheserulestoensuregeneralsafety:
•Keeptheareasaroundthecomputerclearandcleanduringandaftermaintenance.
•Whenliftinganyheavyobject:
1.Ensureyoucanstandsafelywithoutslipping.
2.Distributetheweightoftheobjectequallyacrossbothfeet.
3.Liftslowly.Nevermovesuddenlyortwistwhenyouattempttolift.
4.Liftbystandingorbypushingupwithyourlegmuscles;thisactionremovesthestrainfromthe
musclesinyourback.
Donotattempttoliftanyobjectsthatweighmorethan16kg(35lb)orobjectsthatyouthinkare
tooheavyforyou.
•Donotperformanyactionthatwouldcreateahazardforthecustomer,orwouldmakethecomputer
unsafe.
•Beforeyoustartthecomputer,ensurethatotherservicerepresentativesandcustomerpersonnelarenot
inapositionthatwouldcreateahazardforthem.
•Placeremovedcoversandotherpartsinasafeplace,awayfromallpersonnel,whileyouareservicingthe
computer.
•Keepyourtoolcaseawayfromareasthatpeoplemaywalkthroughtoensureno-onetripsoverit.
•Donotwearlooseclothingthatcanbetrappedinthemovingpartsofamachine.Ensurethatyoursleeves
arefastenedorrolledupaboveyourelbows.Ifyourhairislong,tieorfastenitback.
•Inserttheendsofyournecktieorscarfinsideclothingorfastenitwithanon-conductiveclip,
approximately8centimeters(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.
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–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
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•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.Y oucanusecoaxorconnector-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.
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ToConnect
1.TurneverythingOFF .
2.First,attachallcablestodevices.
3.Attachsignalcablestoconnectors.
4.Attachpowercordstooutlet.
5.TurndeviceON.
ToDisconnect
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
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≥18kg(37lbs)≥32kg(70.5lbs)≥55kg(121.2lbs)
1
2
CAUTION:
Usesafepracticeswhenlifting.
CAUTION:
Thepowercontrolbuttononthedeviceandthepowerswitchonthepowersupplydonotturnoff
theelectricalcurrentsuppliedtothedevice.Thedevicealsomighthavemorethanonepower
cord.Toremoveallelectricalcurrentfromthedevice,ensurethatallpowercordsaredisconnected
fromthepowersource.
CAUTION:
Donotplaceanyobjectweighingmorethan82kg(180lbs.)ontopofrack-mounteddevices.
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Chapter3.Generalinformation
Thischapterprovidesgeneralinformationthatappliestoallcomputermodelscoveredbythismanual.
Specifications
Thissectionliststhephysicalspecificationsforyourcomputer.
Thissectionliststhephysicalspecificationsforyourcomputer.
TypeLenovoAll-In-One520
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
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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.
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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.T ypethepasswordthenpresstheEnterkey.
4.Re-typethepasswordtoconfirm,thenpresstheEnterkey.Ifyoutypedthepasswordcorrectly,
thepasswordwillbeinstalled.
TochangeanAdministratorPassword,dothefollowing:
1.StarttheLenovoBIOSSetupUtilityprogram(see“StartingtheLenovoBIOSSetupUtilityprogram”on
page13).
2.FromtheSecuritymenu,selectSetAdministratorPasswordandpresstheEnterkey.
3.Thepassworddialogboxwillbedisplayed.TypethecurrentpasswordthenpresstheEnterkey.
4.T ypethenewpassword,thenpresstheEnterkey.Re-typethepasswordtoconfirmthenewpassword.
Ifyoutypedthenewpasswordcorrectly,thenewpasswordwillbeinstalled.ASetupNoticedconfirming
thatchangeshavebeensavedwillbedisplayed.
TodeleteapreviouslysetAdministratorPassword,dothefollowing:
1.FromtheSecuritymenu,selectSetAdministratorPasswordandpresstheEnterkey.
2.Thepassworddialogboxwillbedisplayed.TypethecurrentpasswordandpresstheEnterkey.
3.T odeleteanAdministratorPassword,leaveeachnewpasswordlineitemblank,thenpresstheEnter
key.ASetupNoticeconfirmingthatchangeshavebeensavedwillbedisplayed.
4.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.
5.SelectSavechangesandExitfromthemenu.
Power-OnPassword
WhenaPower-OnPasswordisset,youcannotstarttheLenovoBIOSSetupUtilityprogramuntilavalid
passwordistypedfromthekeyboard.
Setting,changing,ordeletingaPower-OnPassword
Note:Apasswordcanbeanycombinationoflettersandnumbersupto16characters(a-zand0-9).
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TosetaPower-OnPassword,dothefollowing:
1.StarttheLenovoBIOSSetupUtilityprogram(See”StartingtheLenovoBIOSSetupUtilityprogram”on
page13.)
2.FromtheSecuritymenu,selectSetPower-OnPasswordandpresstheEnterkey.
3.Thepassworddialogboxwillbedisplayed.T ypethepassword,thenpresstheEnterkey.
4.Re-typethepasswordtoconfirm.Ifyoutypedthepasswordcorrectly,thepasswordwillbeinstalled.
TochangeaPower-OnPassword,dothefollowing:
1.StarttheLenovoBIOSSetupUtilityprogram(See”StartingtheLenovoBIOSSetupUtilityprogram”on
page13.)
2.FromtheSecuritymenu,selectSetPower-OnPasswordandpresstheEnterkey.
3.Thepassworddialogboxwillbedisplayed.TypethecurrentpasswordthenpresstheEnterkey.
4.T ypethenewpassword,thenpresstheEnterkey.Re-typethepasswordtoconfirmthenewpassword.
Ifyoutypedthenewpasswordcorrectly,thenewpasswordwillbeinstalled.ASetupNoticedconfirming
thatchangeshavebeensavedwillbedisplayed.
TodeleteapreviouslysetPower-OnPassword,dothefollowing:
1.FromtheSecuritymenu,selectSetPower-OnPasswordandpresstheEnterkey.
2.Thepassworddialogboxwillbedisplayed.TypethecurrentpasswordandpresstheEnterkey.
3.T odeletethePower-OnPassword,leaveeachnewpasswordlineitemblank,thenpressEnter.ASetup
Noticeconfirmingthatchangeshavebeensavedwillbedisplayed.
4.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.
5.SelectSavechangesandExitfromthemenu.
Enablingordisablingadevice
TheDevicesoptionsisusedtoenableordisableuseraccesstothefollowingdevices:
USBFunctionsSelectwhethertoenableordisableUSB(UniversalSerial
Bus)functions.Ifthefunctionsaredisabled,noUSB
devicescanbeused.
SATAMode
OnboardAudioControllerSelectwhethertoenableordisabletheOnboard
OnboardEthernetControllerorLANBootAgentSelectwhethertoenableordisabletheOnboardEthernet
Toenableordisableadevice,dothefollowing:
1.StarttheSetupUtilityprogram(see“StartingtheSetupUtilityprogram”onpage13).
2.FromtheSetupUtilityprogrammenu,selectDevices.
3.Selectanoptionasfollows:
WhenthisfeatureissettoDisabled,alldevices
connectedtotheSATAconnectors(e.g.harddiskdrives
ortheopticaldiskdrive)aredisabledandcannotbe
accessed.
AudioController.WhenthisfeatureissettoDisabled
alldevicesconnectedtotheaudioconnectors(e.g.
headphonesoramicrophone)aredisabledandcannot
beused.
Controller,orselectwhethertoenableordisableload
onboardPXE(PrebootExecutionEnvironment).
SelectUSBSetup,presstheEnterkey,thenselectUSBFunctions.
Chapter5.UsingtheSetupUtility15
Page 22
SelectATADeviceSetup,presstheEnterkey,thenselectSAT AMode.
SelectAudioSetup,presstheEnterkey,thenselectOnboardAudioController.
SelectNetworkSetup,presstheEnterkey,thenselectOnboardEthernetSupportorLANBoot
Agent.
4.SelectDisabledorEnabledandpresstheEnterkey.
5.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.
6.SelectSavechangesandExitfromthemenu.
Notes:
a.Ifyoudonotwanttosavethesettings,selectDiscardchangesandExitfromthemenu.
b.SelectIDE/AHCIMode:DevicedriversupportisrequiredforACHI.Dependingonhowtheharddisk
imagewasinstalled,changingthissettingmaypreventthesystemfrombooting.
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.
Selectingorchangingthestartupdevicesequence
Tovieworpermanentlychangetheconfiguredstartupdevicesequence,dothefollowing:
1.StarttheLenovoBIOSSetupUtilityprogram(see“StartingtheLenovoBIOSSetupUtilityprogram”on
page13).
2.FromtheLenovoBIOSSetupUtilityprogrammainmenu,selecttheStartupoption.
3.PresstheEnterkey,andselectthedevicesforthePrimaryBootSequence.Readtheinformation
displayedontherightsideofthescreen.
4.Use↑and↓arrowstoselectadevice.Usethe<+>or<->keystomoveadeviceupordown.Usethe
<×>keytoexcludethedevicefromorincludethedeviceinthebootsequence.
5.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.
6.SelectSavechangesandExitfromthemenu.
Notes:
16ideacentreAll-In-One520(27inch)ComputerHardwareMaintenanceManual
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a.Ifyoudonotwanttosavethesettings,selectDiscardchangesandExitfromthemenu.
b.Ifyouhavechangedthesesettingsandwanttoreturntothedefaultsettings,selectLoadOptimal
Defaultsfromthemenu.
ExitingtheLenovoBIOSSetupUtilityprogram
Afteryoufinishviewingorchangingsettings,presstheEsckeytoreturntotheLenovoBIOSSetupUtility
programmainmenu.Y oumighthavetopresstheEsckeyseveraltimes.Dooneofthefollowing:
•Ifyouwanttosavethenewsettings,selectSavechangesandExitfromthemenu.WhentheSave&
resetwindowshows,selecttheYesbutton,andthenpresstheEnterkeytoexittheLenovoBIOS
SetupUtilityprogram.
•Ifyoudonotwanttosavethesettings,selectDiscardchangesandExitfromthemenu.Whenthe
ResetWithoutSavingwindowshows,selecttheYesbutton,andthenpresstheEnterkeytoexitthe
LenovoBIOSSetupUtilityprogram.
Chapter5.UsingtheSetupUtility17
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Chapter6.Symptom-to-FRUIndex
TheSymptom-to-FRUindexlistserrorsymptomsandpossiblecauses.Themostlikelycauseislistedfirst.
AlwaysbeginwithChapter4,“GeneralCheckout,”onpage11.Thisindexcanalsobeusedtohelpyou
decidewhichFRUstohaveavailablewhenservicingacomputer.Ifyouareunabletocorrecttheproblem
usingthisindex,goto“Undeterminedproblems”onpage20.
Notes:
•Ifyouhavebothanerrormessageandanincorrectaudioresponse,diagnosetheerrormessagefirst.
•Ifyoucannotrunthediagnostictestsoryougetadiagnosticerrorcodewhenrunningatestbutdid
receiveaPOSTerrormessage,diagnosethePOSTerrormessagefirst.
•Ifyoudidnotreceiveanyerrormessagelookforadescriptionofyourerrorsymptomsinthefirstpartof
thisindex.
Harddiskdrivebooterror
Aharddiskdrivebooterrorcanbecausedbythefollowing.
Error
Thestartupdriveisnotincludedinthebootsequence
configuration.
Nooperatingsystemisinstalledonthebootdrive.Installanoperatingsystemonthebootdrive.
Thebootsectoronthestartupdriveiscorrupted.
Thedriveisdefective.
FRU/Action
Checktheconfigurationandensurethestartupdriveis
inthebootsequence.
Thedrivemustbeformatted.Dothefollowing:
1.Attempttobackupthedataonthefailingharddisk
drive.
2.Usetheoperatingsystemtoformattheharddisk
drive.
Replacetheharddiskdrive.
PowerSupplyProblems
Followtheseproceduresifyoususpectthereisapowersupplyproblem.
Check/VerifyFRU/Action
Checkthatthefollowingareproperlyinstalled:
•PowerCord
•On/OffSwitchconnector
•SystemBoardPowerSupplyconnectors
•Microprocessorconnections
Checkthepowercord.PowerCord
Checkthepower-onswitch.Power-onSwitch
Reseatconnectors
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POSTerrorcodes
Eachtimeyouturnthecomputeron,itperformsaseriesofteststocheckthatthesystemisoperating
correctlyandthatcertainoptionsareset.ThisseriesoftestsiscalledthePower-OnSelf- T est,orPOST.
POSTdoesthefollowing:
•Checkssomebasicmotherboardoperations
•Checksthatthememoryisworkingcorrectly
•Startsvideooperations
•Verifiesthatthebootdriveisworking
POSTErrorMessageDescription/Action
Keyboarderror
RebootandSelectproperBootdeviceorInsertBoot
MediainselectedBootdevice
Cannotinitializethekeyboard.Makesurethekeyboard
isproperlyconnectedtothecomputerandthatnokeys
areheldpressedduringPOST.T opurposelyconfigure
thecomputerwithoutakeyboard,selectKeyboardless
operationinStartupandsettheoptiontoEnabled.The
BIOSthenignoresthemissingkeyboardduringPOST.
TheBIOSwasunabletofindasuitablebootdevice.Make
surethebootdriveisproperlyconnectedtothecomputer.
Makesureyouhavebootablemediainthebootdevice.
Undeterminedproblems
1.Power-offthecomputer.
2.Removeordisconnectthefollowingcomponents(ifconnectedorinstalled)oneatatime.
a.Externaldevices(modem,printer,ormouse)
b.Extendedvideomemory
c.ExternalCache
d.ExternalCacheRAM
e.Harddiskdrive
f.Diskdrive
3.Power-onthecomputertore-testthesystem.
4.Repeatsteps1through3untilyoufindthefailingdeviceorcomponent.
Ifalldevicesandcomponentshavebeenremovedandtheproblemcontinues,replacethesystemboard.
20ideacentreAll-In-One520(27inch)ComputerHardwareMaintenanceManual
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Chapter7.Locatingconnectors,controlsandcomponents
Thissectionprovidesillustrationstohelplocatethevariousconnectors,controlsandcomponentsofthe
computer.
Fontview
Thefollowingillustrationshowsthelocationofcontrolsandcomponentsonthefrontofthecomputer.
Attention:Becarefulnottoblockanyairventsonthecomputer.Blockedairventscancauseoverheating.
1.CameraLEDindicator
2.InfraredLEDs（Selectedmodelsonly）
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3.Built-incamera
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Leftandrightview
Thefollowingillustrationshowsthelocationofconnectors,controlsandcomponentsontheleftandright
sideofthecomputer.
1.USB3.0connectors
2.Opticaldrive（Optional）4.Cableclip
3.Powerbutton
22ideacentreAll-In-One520(27inch)ComputerHardwareMaintenanceManual
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Rearview
AIO 520-27IKL
Thefollowingillustrationshowsthelocationofconnectorsandcomponentsontherearofthecomputer.
1.Securitycableslot6.USB2.0connector
2.Powerconnector
3.Ethernetconnector
4.HDMI-outconnector
5.USB2.0connector
7.USB2.0connector
8.USB3.0Type-Cconnector/USBpoweroffcharging
connector
9.HDMI-inconnector(Optional)
Chapter7.Locatingconnectors,controlsandcomponents23
Page 30
Hardwarecomponents
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
30
31
32
33
34
35
36
38
37
39
40
41
42
29
Thefollowingillustrationshowsthecomponentsthatmakeupyourcomputer.
Nonetouchmodel
1.Standholder22.Hingecover(top)
2.Standbase23.Hingecover(bottom)
3.Rearcover
4.HDDshielding
5.HDDbracket
6.Harddiskdrive
24.Cameramodule
25.Cameracable(withincameramodule)
26.Motherboardframe
27.Systemfan
7.HDDcable28.Heatsink
8.ODDbezel
9.Opticaldiskdrive30.CPU
29.Motherboard
24ideacentreAll-In-One520(27inch)ComputerHardwareMaintenanceManual
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10.ODDbracketwithlatchassembly
11.ODDcable
31.Battery
32.Memorycard
12.LVDscable33.Wi-Ficover
13.LCDMainframe
34.Wi-Ficard
14.LCDpanel35.SSD
15.LCDbacklightcable
16.Powerswitchboard
36.RFAntennacables
37.Cardreadercable
17.MicrophoneModule(withbracket)38.USBandAudiocable
18.Speakersystem39.SideI/Oshielding
19.Frontdeco
40.SideI/OUSBboard
20.Poweradapter41.Mouse
21.Powercord42.Keyboard
Chapter7.Locatingconnectors,controlsandcomponents25
Page 32
Touchmodel
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
29
30
31
32
33
34
35
37
36
38
39
40
41
28
1.Standholder22.Hingecover(bottom)
2.Standbase23.Cameramodule
3.Rearcover
4.HDDshielding
5.HDDbracket
6.Harddiskdrive27.Heatsink
24.Cameracable(withincameramodule)
25.Motherboardframe
26.Systemfan
7.HDDcable28.Motherboard
8.ODDbezel29.CPU
9.Opticaldiskdrive
10.ODDbracketwithlatchassembly
11.ODDcable
30.Battery
31.Memorycard
32.Wi-Ficover
26ideacentreAll-In-One520(27inch)ComputerHardwareMaintenanceManual
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12.LVDscable33.Wi-Ficard
13.LCDpanelmodule34.SSD
14.LCDbacklightcable
15.Powerswitchboard
35.RFAntennacables
36.Cardreadercable
16.MicrophoneModule(withbracket)37.USBandAudiocable
17.Speakersystem38.SideI/Oshielding
18.Frontdeco
39.SideI/OUSBboard
19.Poweradapter40.Mouse
20.Powercord41.Keyboard
21.Hingecover(top)
Chapter7.Locatingconnectors,controlsandcomponents27
Page 34
Identifyingpartsonthemotherboard
Themotherboard(sometimescalledtheplanarorsystemboard)isthemaincircuitboardinyourcomputer.
Itprovidesbasiccomputingfunctionsandsupportsavarietyofdevicesthatarefactory-installedorthat
youcaninstalllater.Thefollowingillustrationshowsthelocationofconnectorsandcomponentsonthe
frontofthemotherboard.
AIO520-27IKL
1.Cameraconnector16.USB2.0Connector
2.VGA17.USB3.0Connector
3.SystemFanConnector18.USB3.0TypeCConnector
4.ODDPowerConnector19.HDMI—inConnector
5.HDDPowerConnector20.PowerFFCConnector
6.T ouchConnector21.MicConnector
7.ODDSA T AConnector22.I/OFFCConnector
8.LVDSConnector23.SpeakerConnector
9.HDDSA T AConnector24.I/OCableConnector
10.LVDSConnector
11.BacklightConnector
25.WiFicardconnector
26.RAMconnector
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12.DC-INConnector
13.EthernetConnector
14.HDMI—outConnector29.CPU
15.USB2.0Connector
27.Bluetoothconnector
28.Battery
Chapter7.Locatingconnectors,controlsandcomponents29
Page 36
30ideacentreAll-In-One520(27inch)ComputerHardwareMaintenanceManual
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Chapter8.Replacinghardware
Attention:Donotremovethecomputercoverorattemptanyrepairbeforereadingthe“Importantsafetyinformation”
intheSafetyandWarrantyGuidethatwasincludedwithyourcomputer.T oobtaincopiesoftheSafetyandWarranty
Guide,gototheSupportWebsiteat:http://consumersupport.lenovo.com.
Note:UseonlypartsprovidedbyLenovo.
Generalinformation
Pre-disassemblyinstructions
Beforestartingthedisassemblyprocedure,makesurethatyoudothefollowing:
1.T urnoffthepowertothesystemandallperipherals.
2.Unplugallpowerandsignalcablesfromthecomputer.
3.Placethesystemonaflat,stablesurface.
©CopyrightLenovo2017
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Replacingthekeyboardandmouse
Note:YourkeyboardwillbeconnectedtoaUSBconnectorateithersideorattherearofthecomputer.
Toreplacethekeyboardandmouse:
Step1.Removeanymediafromthedrives,shutdownthecomputer,andturnoffallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer..
Step4.Locatetheconnectorforthekeyboard.RefertoLocatingconnectors,controlsandcomponentsto
locatethevariousconnectors.
Step5.Disconnectthedefectivekeyboardcablefromthecomputerandconnectthenewkeyboardcable
tothesameconnector.
Step6.Themousecanbereplacedusingthesamemethod.
Replacingtheadapter
Attention:T urnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Step1.Removeanymediafromthedrives,shutdowntheoperatingsystem,andturnoffthecomputer
andallattacheddevices.
Step2.Disconnecttheadapterfromtheconnectoronthecomputer,thenunplugtheadapterfrom
electricaloutlet.
32ideacentreAll-In-One520(27inch)ComputerHardwareMaintenanceManual
Page 39
Step3.Connectthenewadapterasshown.
Removingthestandbase
Attention:T urnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftflatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthetouchscreenfromscratches
orotherdamage.
Step1.Removeanymediafromthedrives,shutdowntheoperatingsystem,andturnoffthecomputer
andallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.RefertoLocatingconnectors,
controlsandcomponentstolocatethevariousconnectors.
Step4.Twistthehandscrewringcounter-clockwiseuntilthestandbaseisloosened.a
Step5.Removethestandbasefromthestandholderandputitaside.b
Replacingtheopticaldrive
Attention:T urnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftflatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthetouchscreenfromscratches
orotherdamage.
Chapter8.Replacinghardware33
Page 40
Step1.Removeanymediafromthedrives,shutdowntheoperatingsystem,andturnoffthecomputer
andallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.RefertoLocatingconnectors,
controlsandcomponentstolocatethevariousconnectors.
Step4.Removethehingecovers.
34ideacentreAll-In-One520(27inch)ComputerHardwareMaintenanceManual
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Step5.PushtheopticaldriveoutusingtheODDlatchassembly.
Step6.Pushasmallironstick(paperclip)intothesmallholeontheopticaldrivebezelsothatthedisk
springsoutasshown.
Chapter8.Replacinghardware35
Page 42
Step7.Removetheopticaldrivebezelfromtheopticaldriveasshown.12
Step8.Toinstallthenewopticaldrive:
a.Insertthetabsontheopticaldrivebezelintothecorrespondingholesinthenewopticaldrive,
andthenpushthebezelbackintoposition.
b.Gentlypushthediskforwarduntilitsnapsintoposition.
c.Slidethenewopticaldriveintothedrivebay.
Step9.Reattachthehingecover.
Removingtherearcover
Attention:T urnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftflatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthetouchscreenfromscratches
orotherdamage.
Step1.Removeanymediafromthedrives,shutdowntheoperatingsystem,andturnoffthecomputer
andallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.RefertoLocatingconnectors,
controlsandcomponentstolocatethevariousconnectors.
Step4.Removethestandbase.RefertoRemovingthestandbase.
Step5.Removethehingecovers.
36ideacentreAll-In-One520(27inch)ComputerHardwareMaintenanceManual
Page 43
Step6.Removethethreescrewsthatsecuretherearcovertothechassis.
Step7.Removetheopticaldrive.RefertoReplacingtheopticaldrive.
Step8.Removethescrewthatsecuretherearcovertothechassis.
Chapter8.Replacinghardware37
Page 44
Step9.Removethescrewcoverrubber.
Step10.Rotatethescrewdriver90degreestotheright,andthenliftuptherearcoverfromtheleftside
bottom.
38ideacentreAll-In-One520(27inch)ComputerHardwareMaintenanceManual
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Step11.UnplugthecameracablethatconnecttotheMotherboard.
Chapter8.Replacinghardware39
Page 46
Step12.Toreattachtherearcover:
a.Reconnectthecabletothemotherboard.
b.Lineupthemotherboardframewiththechassis.
c.Aligntherearcoverwiththechassis.
d.Presstherearcoveruntilitsnapsintoposition.
Removingthemotherboardframe
Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftflatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches
orotherdamage.
Toremovethemiddlecover:
Step1.Removeanymediafromthedrives,shutdowntheoperatingsystem,andturnoffthecomputer
andallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.RefertoLocatingconnectors,
controlsandcomponentstolocatethevariousconnectors.
Step4.Removethestandbase.RefertoRemovingthestandbase.
Step5.Removetherearcover.RefertoRemovingtherearcover.
40ideacentreAll-In-One520(27inch)ComputerHardwareMaintenanceManual
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Step6.Removethesevenscrewsthatsecurethemotherboardframetothechassis.
Step7.Toreattachthemotherboardframe:
a.Lineupthemotherboardframewiththechassis.
b.Securethemotherboardframetothechassiswithsevenscrews.
Replacingthecamera
Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftflatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches
orotherdamage.
Toreplacethecamera:
Step1.Removeanymediafromthedrives,shutdowntheoperatingsystem,andturnoffthecomputer
andallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.RefertoLocatingconnectors,
controlsandcomponentstolocatethevariousconnectors.
Step4.Removethestandbase.RefertoRemovingthestandbase.
Step5.Removetherearcover.RefertoRemovingtherearcover.
Step6.Removethemotherboardframe.RefertoRemovingthemotherboardframe.
Step7.Disconnectthecameracablefromthecorrespondingconnectoronthemotherboard.
Chapter8.Replacinghardware41
Page 48
Step8.Pressthecameratomakeitoutofthechassisandremovethesixscrews,andthenpressthe
cameraintothechassisagainandpulloutthecameramodule.
Step9.Toinstallthenewcameramodule:
a.Placethenewcameramoduleintoposition,securethemoduletothechassiswithsixscrews.
b.Connectthecameracabletothemotherboard.
Step10.Reattachthemotherboardframe,rearcoverandstandbase.
42ideacentreAll-In-One520(27inch)ComputerHardwareMaintenanceManual
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Replacingtheheat-sink
Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftflatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches
orotherdamage.
Toreplacetheheat-sink:
Step1.Removeanymediafromthedrives,shutdowntheoperatingsystem,andturnoffthecomputer
andallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.RefertoLocatingconnectors,
controlsandcomponentstolocatethevariousconnectors.
Step4.Removethestandbase.RefertoRemovingthestandbase.
Step5.Removetherearcover.RefertoRemovingtherearcover.
Step6.Removethemotherboardframe.RefertoRemovingthemotherboardframe
Step7.Removethecamera.RefertoReplacingthecamera.
Step8.Loosentheninescrewsthatsecuretheheat-sinktothemotherboard,andthenliftuptheheat-sink
andremoveit.
Attention:Placetheheat-sinkupsidedownonaflatsurfacetopreventthermalgreasefromcontaminating
othercomponents.
Attention:UseanalcoholpadtowipethethermalgreaseofftheCPU.
Step9.Toinstallthenewheat-sink:
Chapter8.Replacinghardware43
Page 50
a.Positionthenewheat-sinkonthemotherboardsothattheninescrewsarealignedwiththe
holesinthemotherboardandwindshielding.
b.Tightenthescrewsinnumericordertosecurethenewheat-sinktothemotherboard.
Step10.Reattachthecameracable,motherboardframe,rearcover,andstandbase.
Replacingtheharddiskdrive
Attention:T urnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftflatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthetouchscreenfromscratches
orotherdamage.
Step1.Removeanymediafromthedrives,shutdowntheoperatingsystem,andturnoffthecomputer
andallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.RefertoLocatingconnectors,
controlsandcomponentstolocatethevariousconnectors.
Step4.Removethestandbase.RefertoRemovingthestandbase.
Step5.Removetherearcover.RefertoRemovingtherearcover.
44ideacentreAll-In-One520(27inch)ComputerHardwareMaintenanceManual
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Step6.Disconnectthesignalcablefromtheharddiskdrive.
Step7.Removethefourscrewsthatsecuretheharddiskdrivetothechassis.
Step8.Pulltheharddiskdriveandbrackettoleft,andthenliftthemup.
Step9.Removethefourscrewsthatsecuretheharddiskdrivetothebracket.
Step10.Toinstallthenewharddiskdrive:
a.Lineupthenewharddiskdrivewiththebracketandsecureitwithfourscrews.
b.Connectthedataandpowercablestothenewharddiskdrive.
Chapter8.Replacinghardware45
Page 52
c.Slidetheharddiskdriveandbracketbackintoposition.
Step11.Reattachtherearcoverandstandbase.
Removingthestandholder
Attention:T urnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftflatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthetouchscreenfromscratches
orotherdamage.
Step1.Removeanymediafromthedrives,shutdowntheoperatingsystem,andturnoffthecomputer
andallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.RefertoLocatingconnectors,
controlsandcomponentstolocatethevariousconnectors.
Step4.Removethestandbase.RefertoRemovingthestandbase.
Step5.Removetherearcover.RefertoRemovingtherearcover.
Step6.Removethefourscrewsthatsecurethestandholdertothechassis.
Step7.Toreattachthestandholder:
a.Aligntheholesinthestandholderwiththecorrespondingholesinthechassis.
b.Securethestandholdertothechassiswithfourscrews.
Replacingthesystemfan
Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
46ideacentreAll-In-One520(27inch)ComputerHardwareMaintenanceManual
Page 53
Note:Itmaybehelpfultoplacethecomputerface-downonasoftflatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches
orotherdamage.
Toreplacethesystemfan
Step1.Removeanymediafromthedrives,shutdowntheoperatingsystem,andturnoffthecomputer
andallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.RefertoLocatingconnectors,
controlsandcomponentstolocatethevariousconnectors.
Step4.Removethestandbase.RefertoRemovingthestandbase.
Step5.Removetherearcover.RefertoRemovingtherearcover.
Step6.Removethestandholder.RefertoRemovingthestandholder
Step7.Removethemotherboardframe.RefertoRemovingthemotherboardframe
Step8.Disconnectthesystemfanpowercablefromthemotherboard.
Step9.Removethescrewsthatsecurethesystemfantothechassis.
Step10.Liftthesystemfanuptoremoveit.
Step11.Toinstallthenewsystemfan:
a.Placethenewsystemfanintoposition,andthensecureittothechassiswithscrews.
b.Connectthesystemfanpowercabletotheconnectoronthemotherboard.
Step12.Reattachthemotherboardframe,standholder,rearcoverandstandbase.
Replacingthememorymodule
Attention:T urnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Chapter8.Replacinghardware47
Page 54
Note:Itmaybehelpfultoplacethecomputerface-downonasoftflatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthetouchscreenfromscratches
orotherdamage.
Step1.Removeanymediafromthedrives,shutdowntheoperatingsystem,andturnoffthecomputer
andallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.RefertoLocatingconnectors,
controlsandcomponentstolocatethevariousconnectors.
Step4.Removethestandbase.RefertoRemovingthestandbase.
Step5.Removetherearcover.RefertoRemovingtherearcover.
Step6.Removethemotherboardframe.RefertoRemovingthemotherboardframe
Step7.Pushoutthelatchesonbothsidesofthememorysockettoreleasethememorymoduleandgently
pullthememorymoduleupwardtoremoveitfromitssocket.
Step8.
Step9.Toinstallthenewmemorymodule:
a.Positionthenewmemorymoduleoverthememoryslot.Ensurethatthenotch2onthe
memorymodulealignscorrectlywiththeslotkey1inthememorysocket.Pressthememory
moduledownuntilsnapsintoposition.
48ideacentreAll-In-One520(27inch)ComputerHardwareMaintenanceManual
Page 55
b.Reinstallthememorycover.
Step10.Reattachthemotherboardframe,rearcoverandstandbase.
Replacingthesolidstatedrive
Attention:T urnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftflatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthetouchscreenfromscratches
orotherdamage.
Step1.Removeanymediafromthedrives,shutdowntheoperatingsystem,andturnoffthecomputer
andallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.RefertoLocatingconnectors,
controlsandcomponentstolocatethevariousconnectors.
Step4.Removethestandbase.RefertoRemovingthestandbase.
Step5.Removetherearcover.RefertoRemovingtherearcover.
Step6.Removethemotherboardframe.RefertoRemovingthemotherboardframe
Chapter8.Replacinghardware49
Page 56
Step7.Removethescrewthatsecurethesolidstatedrivetothemotherboard,andthenslideoutthe
solidstatedrive.
3
Step8.Toinstallthenewsolidstatedrive:
a.Insertthesolidstatedriveintotheslot.
b.Securethenewsolidstatedrivetomotherboardwithonescrew.
c.Reinstallthememorycover.
Step9.Reattachthemotherboardframe,rearcoverandstandbase.
ReplacingtheWi-Ficard
Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftflatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches
orotherdamage.
ToreplacetheWi-Ficard:
Step1.Removeanymediafromthedrives,shutdowntheoperatingsystem,andturnoffthecomputer
andallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.RefertoLocatingconnectors,
controlsandcomponentstolocatethevariousconnectors.
Step4.Removethestandbase.RefertoRemovingthestandbase.
Step5.Removetherearcover.RefertoRemovingtherearcover.
Step6.Removethemotherboardframe.RefertoRemovingthemotherboardframe
50ideacentreAll-In-One520(27inch)ComputerHardwareMaintenanceManual
Page 57
Step7.RemovethescrewthatsecurestheWi-Ficardtothemotherboard.
Step8.DisconnecttheantennacablesfromtheWi-Ficard.
Step9.PulltheWi-Ficardoutoftheslot.
Step10.ToinstallthenewWi-Ficard:
a.InsertthenewWi-FicardintotheWi-Ficardslot.
b.ConnecttheantennacablestothenewWi-Ficard.
c.SecurenewtheWi-Ficardtothemotherboardwiththescrew.
Step11.Reattachthemotherboardframe,rearcoverandstandbase.
ReplacingthesideUSBboard
Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftflatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches
orotherdamage.
ToreplacethesideUSBboard:
Step1.Removeanymediafromthedrives,shutdowntheoperatingsystem,andturnoffthecomputer
andallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.RefertoLocatingconnectors,
controlsandcomponentstolocatethevariousconnectors.
Step4.Removethestandbase.RefertoRemovingthestandbase.
Step5.Removetherearcover.RefertoRemovingtherearcover.
Chapter8.Replacinghardware51
Page 58
Step6.DisconnecttheantennacablesfromthesideUSBboard.
Step7.RemovethescrewthatsecuresthesideUSBboardtothebottomframe.
Step8.LiftupthesideUSBboard.
Step9.ToinstallthenewsideUSBboard:
a.InsertthenewsideUSBboardintothesideUSBboardslot.
b.SecurethenewsideUSBboardtothebottomframewiththescrew.
c.ConnecttheantennacablestothenewsideUSBboard.
Step10.Reattachtherearcover,andstandbase.
ReplacingtheCPU
Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftflatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches
orotherdamage.
ToreplacetheCPU
Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”
and“Rearview”forhelpwithlocatingthevariousconnectors.
Step4.Removetheheat-sink.RefertoReplacingtheheat-sink.
52ideacentreAll-In-One520(27inch)ComputerHardwareMaintenanceManual
Page 59
Step5.Liftthesmallhandleandopentheretainer.
Step6.Liftthemicroprocessorstraightupandoutofthesocket.
Attention:Donottouchthegoldcontactsonthebottomofthemicroprocessor.Whenhandlingthe
microprocessor,touchonlythesides.
Note:Donotdropanythingontothemicroprocessorsocketwhileitisexposed.Thesocketpinsmust
bekeptascleanaspossible.
Step7.Holdingthesidesofthemicroprocessorwithyourfingers,removetheprotectivecover1that
protectsthegoldcontactsonthenewmicroprocessor.
2
Chapter8.Replacinghardware53
Page 60
Step8.Holdingthesidesofthemicroprocessorwithyourfingers,positionthemicroprocessorsothatthe
notchesonthemicroprocessorarealignedwiththetabsinthemicroprocessorsocket.
Important:Toavoiddamagingthemicroprocessorcontacts,keepthemicroprocessorcompletelylevel
whileinstallingitintothesocket.
Step9.Lowerthemicroprocessorstraightdownintoitssocketonthemotherboard.
Step10.Tosecurethemicroprocessorinthesocket,closethemicroprocessorretainerandlockitinto
positionwiththesmallhandle.
Step11.Useathermalgreasesyringetoplace5dropsofgreaseonthetopofthemicroprocessor.Each
dropofgreaseshouldbe0.03ml(3tickmarksonthegreasesyringe).
Step12.Reattachtheheat-sink,EMIcover,middlecover,opticaldrive,standholder,footcoverandstand
base.
Replacingthemotherboard
Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftflatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches
orotherdamage.
Toreplacethemotherboard:
Step1.Removeanymediafromthedrives,shutdowntheoperatingsystem,andturnoffthecomputer
andallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.RefertoLocatingconnectors,
controlsandcomponentstolocatethevariousconnectors.
Step4.Removethestandbase.RefertoRemovingthestandbase.
Step5.Removetherearcover.RefertoRemovingtherearcover.
Step6.Removethemotherboardframe.RefertoRemovingthemotherboardframe.
Step7.Removethememorymodules.RefertoReplacingthememorymodule.
Step8.Removethesolidstatedrive.RefertoReplacingthesolidstatedrive.
Step9.Removetheheat-sink.RefertoReplacingtheheat-sink.
Step10.RemovetheCPU.RefertoReplacingtheCPU.
Step11.RemovetheWi-Ficard.RefertoReplacingtheWi-Ficard.
54ideacentreAll-In-One520(27inch)ComputerHardwareMaintenanceManual
Page 61
Step12.Removeallthecablesfromthemotherboard.
Step13.Removethefourscrewsthatsecurethemotherboardtothechassis,andthenliftthemotherboard
uptoremoveit.
Step14.Toinstallthenewmotherboard:
a.Alignthefourscrewholesinthenewmotherboardwiththescrewholesinthechassis.
b.Securethenewmotherboardtothechassiswithfourscrews.
c.Connectallthecablestothenewmotherboard.
Step15.Installthefollowingpartstothenewmotherboard:
•Wi-Ficard
•Heat-sink
•Solidstatedrive
•Memorymodule
Step16.Reattachthemotherboardframe,rearcoverandstandbase.
Replacingthespeakersystem
Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftflatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches
orotherdamage.
Toreplacethespeakersystem:
Step1.Removeanymediafromthedrives,shutdowntheoperatingsystem,andturnoffthecomputer
andallattacheddevices.
Chapter8.Replacinghardware55
Page 62
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.RefertoLocatingconnectors,
controlsandcomponentstolocatethevariousconnectors.
Step4.Removethestandbase.RefertoRemovingthestandbase.
Step5.Removetherearcover.RefertoRemovingtherearcover.
Step6.Removethemotherboardframe.RefertoRemovingthemotherboardframe
Step7.Disconnectthespeakersystemcablefromtheconnectoronthemotherboard,andthenslidethe
rubberscrewsofthespeakersystemoutofthescrewslots.
Step8.Liftupthespeakersystemtoremoveit.
Step9.Toinstallthenewspeakersystem:
a.Slideintherubberscrewsofthenewspeakersystemintothescrewslotsinthechassis.
b.Connectthecabletothemotherboard.
Step10.Reattachthemotherboardframe,rearcoverandstandbase.
ReplacingtheMicrophonemodule
Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftflatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches
orotherdamage.
Toreplacethespeakersystem:
Step1.Removeanymediafromthedrives,shutdowntheoperatingsystem,andturnoffthecomputer
andallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
56ideacentreAll-In-One520(27inch)ComputerHardwareMaintenanceManual
Page 63
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.RefertoLocatingconnectors,
controlsandcomponentstolocatethevariousconnectors.
Step4.Removethestandbase.RefertoRemovingthestandbase.
Step5.Removetherearcover.RefertoRemovingtherearcover.
Step6.Removethemotherboardframe.RefertoRemovingthemotherboardframe
Step7.Removethespeakersystem.RefertoReplacingthespeakersystem
Step8.Disconnectthemicrophonemodulecablefromtheconnectoronthemotherboard,andremove
thescrewthatsecuresthemicrophonemoduletothechassis.
Step9.Liftupthemicrophonemoduletoremoveit.
Step10.Toinstallthenewmicrophonemodule:
a.Securethenewmicrophonemoduletothechassiswiththescrew.
b.Connectthecabletothemotherboard.
Step11.Reattachthespeakersystem,motherboardframe,rearcoverandstandbase.
Replacingthepowerswitchmodule
Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftflatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches
orotherdamage.
ToreplacetheWi-Ficard:
Step1.Removeanymediafromthedrives,shutdowntheoperatingsystem,andturnoffthecomputer
andallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Chapter8.Replacinghardware57
Page 64
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.RefertoLocatingconnectors,
controlsandcomponentstolocatethevariousconnectors.
Step4.Removethestandbase.RefertoRemovingthestandbase.
Step5.Removetherearcover.RefertoRemovingtherearcover.
Step6.Removethemotherboardframe.RefertoRemovingthemotherboardframe
Step7.Removethescrewthatsecuresthepowerswitchmoduletothechassis.
Step8.Disconnectthecablesfromthepowerswitchmodule.
Step9.Pullthepowerswitchmoduleoutoftheslot.
Step10.Toinstallthenewpowerswitchmodule:
a.Insertthenewpowerswitchmoduleintotheslot.
b.Connecttheantennacablestothenewpowerswitchmodule.
c.Securenewthepowerswitchmoduletothechassiswiththescrew.
Step11.Reattachallotherremovedparts.
ReplacingtheLCDpanelmodule
Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftflatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches
orotherdamage.
ToreplacetheLCDpanelmodule:
Step1.Removeanymediafromthedrives,shutdowntheoperatingsystem,andturnoffthecomputer
andallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
58ideacentreAll-In-One520(27inch)ComputerHardwareMaintenanceManual
Page 65
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.RefertoLocatingconnectors,
controlsandcomponentstolocatethevariousconnectors.
Step4.Removethestandbase.RefertoRemovingthestandbase.
Step5.Removetherearcover.RefertoRemovingtherearcover.
Step6.Removethestandholder.RefertoRemovingthestandholder.
Step7.Removethemotherboardframe.RefertoRemovingthemotherboardframe
Step8.Removethememorymodules.RefertoReplacingthememorymodule.
Step9.Removethesolidstatedrive.RefertoReplacingthesolidstatedrive.
Step10.Removetheheat-sink.RefertoReplacingtheheat-sink.
Step11.RemovetheCPU.RefertoReplacingtheCPU.
Step12.Removethemotherboard.RefertoReplacingthemotherboard.
Step13.RemovetheLVDScableandconvertercablefromtheconnectorsintheLCDpanel.
Step14.RemovethescrewsthatsecurethemainframetotheLCDpanel.
Chapter8.Replacinghardware59
Page 66
Step15.Liftupthemainframetoremoveit.
Step16.Ifyourdeviceisatouchcomputer,disconnectthetouchcablefromtheconnectoronthe
motherboard.Otherwise,skipthisstep.RefertoLocatingconnectors,controlsandcomponentsto
locatethetouchconnector.
Step17.ToinstallthenewtheLCDpanelmodule:
a.AlignthenewLCDpanelwiththemainframe.
b.SecurethenewLCDpaneltothemainframewithscrews.
c.Connectthetouch(touchmodelonly),LVDSandconvertercablestotheconnectorsinthe
newLCDpanel.
Step18.Reattachallotherremovedparts.
60ideacentreAll-In-One520(27inch)ComputerHardwareMaintenanceManual
Page 67
Chapter9.FRUlists
Thischapterliststheinformationonthefieldreplaceableunits(FRUs)forideacentreAll-In-OneAIO520-27
IKLdesktopcomputer.
Attention:BesuretoreadandunderstandallthesafetyinformationbeforereplacinganyFRUs.
FRUP/N
AC_ADAPTER
00PC728AC_ADAPTER,150W,100-240Vac,3P
00PC727AC_ADAPTER,120W,100-240Vac,3P
ANTENNA
00XJ121
BDPLANAR
01LM149
01LM150
01LM147
01LM148
CABLE
00XL352
00XL353
00XL354
00XL367
00XL355
00XL366
00XL350
00XL348
00XL351
00XL349
00XL356
CARDPOP
01LM244
DISPLAY
01AG972LGDQHDLM270WQ4_SSB3
DT_KYB
00XH633
00XH945
00XH944
00XH604
00XH605
Description
AIO520-C7Antenna
MBIntelKabyLake-SB250,GF940
MBIntelKabyLake-SB250,GF940
MBKabyLake-SB250,UMA,HDMI
MBKabyLake-SB250,UMA,HDMI
C.AFFC20P80MMM/B-IO/B
C.AM/B-LVDS_LG
C.AM/B-BK_LG
C.AFFCH-CONNSET22OMB-IO/B
C.AMB-TOUCH
C.AFFC20PMB-IO/BTOUCH
C.AFFC4P480MMM/B-PWR/B
C.AM/B-SATA_HDD
C.AFFC4P619MMM/BTOUCH-PWR/B
C.AM/B-SATA_ODD
C.AM/B-MIC_DUAL
IOBoard
USBCalliopeKBBKNORDIC
USBCalliopeKBSRARA
USBCalliopeKBSRENG
USBCalliopeKBBKHBW
USBCalliopeKBBKHUN
©CopyrightLenovo2017
61
Page 68
00XH607
00XH598
00XH602
00XH950
00XH601
00XH971
00XH973
00XH968
00XH627
00XH626
00XH610
00XH608
00XH975
00XH982
00XH965
00XH978
00XH976
00XH967
00XH979
00XH961
00XH981
00XH959
00XH621
00XH987
00XH622
00XH964
00XH630
00XH618
00XH994
00XH992
00XH625
00XH990
00XH619
00XH962
00XH624
00XH611
00XH955
00XH993
00XH952
00XH594
USBCalliopeKBBKIT A
USBCalliopeKBBKFRA
USBCalliopeKBBKGRE
USBCalliopeKBSRBUL
USBCalliopeKBBKGER
USBCalliopeKBSRPOR
USBCalliopeKBSRRUS
USBCalliopeKBSRLASPA
USBCalliopeKBBKSLV
USBCalliopeKBBKEUROENG
USBCalliopeKBBKKOR
USBCalliopeKBBKJPN
USBCalliopeKBSRSLK
USBCalliopeKBSRUKE
USBCalliopeKBSRJPN
USBCalliopeKBSRSWS
USBCalliopeKBSRSP A
USBCalliopeKBSRKOR
USBCalliopeKBSRTHAI
USBCalliopeKBSRHBW
USBCalliopeKBSRTUR
USBCalliopeKBSRGRE
USBCalliopeKBBKSWS
USBCalliopeKBSRINDENG
USBCalliopeKBBKTHAI
USBCalliopeKBSRIT A
USBCalliopeKBBKINDENG
USBCalliopeKBBKSLK
USBKBSLV_CZ-SL
USBCalliopeKBSRCANEN/FR
USBCalliopeKBBKUKE
USBCalliopeKBSRNORDIC
USBCalliopeKBBKSP A
USBCalliopeKBSRHUN
USBCalliopeKBBKTUR
USB,Calliope,KB,BK,LASPA
USBCalliopeKBSRFRA
USBCalliopeKBBKCZE/SLK
USBCalliopeKBSRCZE
USBCalliopeKBBKTC/ENG
62ideacentreAll-In-One520(27inch)ComputerHardwareMaintenanceManual
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00XH614
00XH595
00XH951
00XH948
00XH958
00XH949
00XH593
00XH591
00XH616
00XH983
00XH587
00XH984
00XH588
00XH635
USBCalliopeKBBKPOR
USBCalliopeKBBKCZE
USBCalliopeKBSRTC/ENG
USBCalliopeKBSRBELENG
USBCalliopeKBSRGER
USBCalliopeKBSRBRL
USBCalliopeKBBKBUL
USB,Calliope,KB,BK,BELENG
USBCalliopeKBBKRUS
USBCalliopeKBSREUROENG
USBCalliopeKBBKENG
USBCalliopeKBSRSLV
USBCalliopeKBBKARA
USBCalliopeKBBKCANENG/FRA
FAN
00XD814
SysfanforMutuo_P8110x15mm
HDD_ASM
45K0623
HDD,1TB,7200,DT3,SA T A3,STD
00PC552HDD,2TB,7200,DT3,SATA3,STD
00PC551HDD,1TB,7200,DT3,SATA3,STD
45K0625
HDD,2TB,7200,DT3,SA T A3,STD
HEATSINK
01MN104
01MN105
AVCSB42U00001-135WC7IntelK
AVCSB43000001-135W+25WC7HSK
KYB_MOUSE
00XH801
00XH884
00XH885
00XH996
00XH845
00XH886
00XH797
00XH844
00XH800
00XH895
00XH873
00XH870
00XH866
00PH144
00XH995
WLKMCalliopeBKNoBATBRL
WLKMCalliopeSRUKE
WLKMCalliopeSREuroENG
2.4GSVGCZ_SL
WLKMCalliopeBKNoBATLASPA
WLKMCalliopeSRSLV
WLKMCalliopeBKARA
WLKMCalliopeBKCANENG/FRA
WLKMCalliopeBKBELENG
WLKMCalliopeSRNoBATLASPA
WLKMCalliopeSRPOR
WLKMCalliopeSRLASPA
WLKMCalliopeSRIT A
USBCalliopeMouseSR-GY
WLKMCalliopeBKCZE/SLK
Chapter9.FRUlists63
Page 70
00XH867
00XH827
00XH869
00XH860
00XH857
00XH880
00XH830
00XH878
00XH823
00XH825
00XH877
00XH828
00XH820
00XH804
00XH842
00XH839
00XH817
00XH802
00XH807
00XH803
00XH810
00XH811
00XH851
00XH850
00XH835
00XH816
00XH813
00XH833
00XH854
00XH836
00XH847
00XH814
00XH831
00XH894
00XH834
00XH892
00XH819
00XH889
00XH883
00XH881
WLKMCalliopeSRJPN
WLKMCalliopeBKSLK
WLKMCalliopeSRKOR
WLKMCalliopeSRGER
WLKMCalliopeSRFRA
WLKMCalliopeSRSWS
WLKMCalliopeBKSWS
WLKMCalliopeSRSP A
WLKMCalliopeBKPOR
WLKMCalliopeBKRUS
WLKMCalliopeSRSLK
WLKMCalliopeBKSP A
WLKMCalliopeBKLASPA
WLKMCalliopeBKCZE
WLKMCalliopeBKNordic
WLKMCalliopeBKINDENG
WLKMCalliopeBKJPN
WLKMCalliopeBKBUL
WLKMCalliopeBKFRA
WLKMCalliopeBKTC/ENG
WLKMCalliopeBKGER
WLKMCalliopeBKGRE/UK
WLKMCalliopeSRNoBATBRL
WLKMCalliopeSRBELENG
WLKMCalliopeBKEuroENG
WLKMCalliopeBKIT A
WLKMCalliopeBKHBW
WLKMCalliopeBKTUR
WLKMCalliopeSRCZE
WLKMCalliopeBKSLV
WLKMCalliopeSRARA
WLKMCalliopeBKHUN
WLKMCalliopeBKTHAI
WLKMCalliopeSRCANENG/FRA
WLKMCalliopeBKUKE
WLKMCalliopeSRNordic
WLKMCalliopeBKKOR
WLKMCalliopeSRINDENG
WLKMCalliopeSRTUR
WLKMCalliopeSRTHAI
64ideacentreAll-In-One520(27inch)ComputerHardwareMaintenanceManual
Page 71
00XH853
00XH875
00XH861
00XH852
00XH863
00XH864
00XH796
00XH846
WLKMCalliopeSRTC/ENG
WLKMCalliopeSRRUS
WLKMCalliopeSRGRE/UK
WLKMCalliopeSRBUL
WLKMCalliopeSRHBW
WLKMCalliopeSRHUN
WLKMCalliopeBKENG
PrimaxRFBU712.4GSVGUS
LINECORD
00XL074
00XL051
00XL090
00XL080
00XL002
00XL057
00XL067
00XL062
00XL093
00XL079
00XL063
00XL078
00XL065
00XL052
00XL089
00XL081
00XL059
00XL083
00XL066
00XL003
00XL058
00XL069
00XL084
00XL071
00XL075
00XL092
00XL094
00XL064
00XL086
00XL085
00XL097
Fru,LINECORD,IT,1M,3P,NON-LH
Fru,US/CA,1M,3P ,NON-LH
Fru,LINECORD,CN,1M,3P ,NON-LH
Fru,LINECORD,AU,1M,3P ,NON-LH
Fru,JP ,Anti-TR,1M,2P ,NON-LH
Fru,LINECORD,AR,1M,3P ,NON-LH
Fru,LINECORD,DK,1M,3P ,NON-LH
Fru,LINECORD,BR,1M,3P ,NON-LH
Fru,LINECORD,TW,1M,3P ,NON-LH
Fru,LINECORD,AU,1M,3P ,NON-LH
Fru,EU/KR,1M,3P ,NON-LH
Fru,LINECORD,AU,1M,3P ,NON-LH
Fru,EU/KR,1M,3P ,NON-LH
Fru,US/CA,1M,3P ,NON-LH
Fru,LINECORD,CN,1M,3P ,NON-LH
Fru,LINECORD,ZA,1M,3P ,NON-LH
Fru,LINECORD,AR,1M,3P ,NON-LH
Fru,LINECORD,ZA,1M,3P ,NON-LH
Fru,LINECORD,DK,1M,3P ,NON-LH
Fru,JP ,Anti-TR,1M,2P ,NON-LH
Fru,LINECORD,AR,1M,3P ,NON-LH
Fru,LINECORD,CH,1M,3P ,NON-LH
Fru,LINECORD,IL,1M,3P ,NON-LH
Fru,LINECORD,CH,1M,3P ,NON-LH
Fru,LINECORD,GB,1M,3P ,NON-LH
Fru,LINECORD,TW,1M,3P ,NON-LH
Fru,LINECORD,IN,1M,3P ,NON-LH
Fru,EU/KR,1M,3P ,NON-LH
Fru,LINECORD,IL,1M,3P ,NON-LH
Fru,LINECORD,IL,1M,3P ,NON-LH
Fru,LINECORD,TH,1M,3P ,NON-LH
Chapter9.FRUlists65
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00XL073
00XL072
00XL096
00XL053
00XL091
00XL060
00XL076
00XL070
00XL082
00XL077
00XL068
00XL061
MECH_ASM
01MN181
01MN184
01MN179
01MN183
01MN180
01MN182
01MN173
01MN172
01MN169
01MN168
01MN189
01MN178
01MN176
01MN188
01MN175
01MN187
01MN248
01MN167
01MN249HDDBracket
01MN185
01MN166
01MN257
01MN190
01MN186
01MN192
01MN191
01MN171
Fru,LINECORD,IT,1M,3P,NON-LH
Fru,LINECORD,IT,1M,3P,NON-LH
Fru,LINECORD,IN,1M,3P ,NON-LH
Fru,US/CA,1M,3P ,NON-LH
Fru,LINECORD,TW,1M,3P ,NON-LH
Fru,LINECORD,BR,1M,3P ,NON-LH
Fru,LINECORD,GB,1M,3P ,NON-LH
Fru,LINECORD,CH,1M,3P ,NON-LH
Fru,LINECORD,ZA,1M,3P ,NON-LH
Fru,LINECORD,GB,1M,3P ,NON-LH
Fru,LINECORD,DK,1M,3P ,NON-LH
Fru,LINECORD,BR,1M,3P ,NON-LH
AIO521RGBIRCAMTS
DCA70_MB_S_TS
AIO521FHDCAMTS
DCA70_MB_S_NON_TS
AIO520RGBIRCAMNT
DCA70_M_FME_NON_TS
DCA70_ODDBEZEL_TS
DCA70_ODDBEZEL_NT
DCA70_BK_CER_SUB_TS
DCA70_BK_CER_SUB_NT
VBA10_HDD_SHIELDING_ASSY
AIO520FHDCAMNT
DCA70_ODDLATCH_NT
DCA70_SIDE_IO_SHIELDING
DCA70_NON-ODDBEZEL_TS
DCA70_MIC
SideIoShielding
DCA70_FR_BE_SUB_TS
520_HDD_BRACKET_ASSY
DCA70_FR_BE_SUB_NON_TS
ASSYDUALMICModule
DCA70_STAND_BASE_CX
DCA70_TOUCH_MODULE
DCA70_STAND_ARM_TS_CX
DCA70_STAND_ARM_NT_CX
DCA70_BK_CER_RELEASE_TS
66ideacentreAll-In-One520(27inch)ComputerHardwareMaintenanceManual
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01EF416
ASSYShieldingforHDD
MECHANICAL
01EF469Bracket,ForWIFIAntennaKit
01MN201
01MN202
01MN200
01MN196
01MN203
01MN197
01MN198
01MN199
DCA70_ODD_CER_DUMMY_TS
DCA70_STAND_CABLE_CLIP
DCA70_ODD_CER_DUMMY_NON_TS
DCA70_HINGE_CER_TOP_NON_TS
BCA10_SPEAKER_RUBBER
DCA70_HINGE_CER_TOP_TS
DCA70_HINGE_CER_BTM_NON_TS
DCA70_HINGE_CER_BTM_TS
MEMORY
01FR300
4GDDR42400SODIMM
01AG71416GBDDR42400SoDIMM
01AG7094GBDDR42400SoDIMM
01AG7118GBDDR42400SoDIMM
01AG7014GBDDR42400SoDIMM
01AG81316GBDDR42666SoDIMM,MICRON
01AG81916GBDDR42666SoDIMM,Ramaxel
01FR302
01FR301
16GDDR42400SODIMM
8GDDR42400SODIMM
01AG7084GBDDR42400SoDIMM
01AG8128GBDDR42666SoDIMM,MICRON
01AG8188GBDDR42666SoDIMM,Ramaxel
SSD
00UP455
FRU16GBM.2OptaneMemory
SSD_ASM
00UP436
00UP433
00UP448
00UP641
256G,M.2,2280,PCIe3x4,SAM,OPAL
256G,M.2,2280,PCIe3x4,INTEL,OPAL
128G,M.2,2280,PCIe3x4,SAMSG,STD
256G,M.2,2280,PCIe3x4,TOS,OPAL
SCREW
01EF559
ForSSD
PAD
01MN363
LairdTflex3padforM.2SSD
MOUSE
00PH131
USBCalliopeMouseBlack(Orangewh
SP
01AG091Inteli7-7700T2.9GHZ/4C/6M/LGA35W
01AG103II5-7400T2.4GHz/4C/6M35W
Chapter9.FRUlists67
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01AG113IntelCorei3-7100T3.4GHZ/2C/3M35W
01AG115IntelPentiumG4560T2.9GHZ/2C/3M35W
OPT_DRIVE
45K04949.0mmDVDRambowithoutbezel
WIRELESS
01AX709
Wireless,CMB,LTN,NFA435A
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Chapter10.Generalinformation
Thischapterprovidesgeneralinformationthatappliestoallcomputermodelscoveredbythismanual.
AdditionalServiceInformation
Thischapterprovidesadditionalinformationthattheservicerepresentativemightfindhelpful.
Powermanagement
Powermanagementreducesthepowerconsumptionofcertaincomponentsofthecomputersuchasthe
systempowersupply,processor,harddiskdrives,andsomemonitors.
Advancedconfigurationandpowerinterface(ACPI)BIOS
AsthiscomputerhasanACPIBIOSsystem,theoperatingsystemisallowedtocontrolthepower
managementfeaturesofthecomputerandthesettingsforAdvancedPowerManagement(APM)BIOSmode
isignored.NotalloperatingsystemssupportACPIBIOSmode.
AutomaticPower-Onfeatures
TheAutomaticPower-OnfeatureswithinthePowerManagementmenuallowyoutoenableanddisable
featuresthatturnonthecomputerautomatically.
•WakeUponAlarm:Youcanspecifyadateandtimeatwhichthecomputerwillbeturnedonautomatically.
Thiscanbeeitherasingleevent,adailyeventoraweeklyevent.
•WakeUponLAN:ThisfeatureallowsLANadaptercardtowaketheSystem.
©CopyrightLenovo2017
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