Lenovo Y520T Series Hmm 20170601 User Manual Legion Y520 Tower Hardware Maintenance 25IKL Desktop (Lenovo) Type 90H8

User Manual: Lenovo Y520T Series Hmm 20170601 Lenovo Legion Y520 Tower Hardware Maintenance Manual Legion Y520T-25IKL Desktop (Lenovo) - Type 90H8 90H8

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LenovoLegionY520TowerHardware

MaintenanceManual

MachineTypes:90H7[Y520T-25IKL/EnergyStar]

LenovoLegionY520Tower

HardwareMaintenanceManual

MachineTypes:90H7[Y520T-25IKL/EnergyStar]

FirstEdition(January2017)21st

©CopyrightLenovo2017.

LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwarearedeliveredpursuantaGeneralServices

Administration“GSA”contract,use,reproduction,ordisclosureissubjecttorestrictionssetforthinContractNo.

GS-35F-05925

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

Chapter6.Symptom-to-FRUIndex..19

Harddiskdrivebooterror..........19

PowerSupplyProblems...........19

POSTerrorcodes.............20

Undeterminedproblems...........20

Chapter7.Locatingconnectors,

controlsandcomponents......21

Chapter8.Replacinghardware....25

Generalinformation.............25

Replacingthekeyboardandmouse......26

Removingthecomputercover........26

Removingthetopbezel...........27

Removingthefrontbezel..........28

Replacingthepowersupplyassemby.....29

Replacinganopticaldrive..........30

ReplacingtheM.2storagedrive........31

Replacingthe3.5-inchstoragedrive......32

Replacingthegraphiccard..........33

Replacingamemorymodule.........34

ReplacingtheWi-Ficard...........35

ReplacingtheWi-Fiantenna.........37

Replacingtheheat-sinkandfanassembly....38

Replacingthemicroprocessor........39

Replacingthefrontfan...........40

Replacingtherearfan............41

Replacingthemotherboard..........42

Chapter9.FRUlists..........45

Chapter10.Generalinformation...49

AdditionalServiceInformation........49

©CopyrightLenovo2017iii

ivLenovoLegionY520TowerHardwareMaintenanceManual

Chapter1.Aboutthismanual

ThismanualcontainsserviceandreferenceinformationforLenovoideacentre300seriesdesktopcomputers

listedonthecover.ItisintendedonlyfortrainedservicerswhoarefamiliarwithLenovocomputerproducts.

BeforeservicingaLenovoproduct,besuretoreadtheSafetyInformation.

ThedescriptionoftheTVcardinthismanualisonlyusedforthemachineswhichhavetheTVcard.Itis

invalidforthosemachineswhichdonothaveTVcard.

ImportantSafetyInformation

Besuretoreadallcautionanddangerstatementsinthisbookbeforeperforminganyoftheinstructions.

VeuillezliretouteslesconsignesdetypeDANGERetATTENTIONduprésentdocumentavantd’exécuter

lesinstructions.

LesenSieunbedingtalleHinweisevomT yp“ACHTUNG”oder“VORSICHT”indieserDokumentation,bevor

SieirgendwelcheVorgängedurchführen

LeggereleistruzioniintrodottedaATTENZIONEePERICOLOpresentinelmanualeprimadieseguireuna

qualsiasidelleistruzioni

Certifique-sedelertodasasinstruçõesdecuidadoeperigonestemanualantesdeexecutarqualquer

umadasinstruções

Esimportantequeleatodaslasdeclaracionesdeprecauciónydepeligrodeestemanualantesdeseguir

lasinstrucciones.

©CopyrightLenovo20171

2LenovoLegionY520TowerHardwareMaintenanceManual

Chapter2.Safetyinformation

Thischaptercontainsthesafetyinformationthatyouneedtobefamiliarwithbeforeservicingacomputer.

Generalsafety

Followtheserulestoensuregeneralsafety:

•Observegoodhousekeepingintheareaofthemachinesduringandaftermaintenance.

•Whenliftinganyheavyobject:

1.Ensureyoucanstandsafelywithoutslipping.

2.Distributetheweightoftheobjectequallybetweenyourfeet.

3.Useaslowliftingforce.Nevermovesuddenlyortwistwhenyouattempttolift.

4.Liftbystandingorbypushingupwithyourlegmuscles;thisactionremovesthestrainfromthe

musclesinyourback.

Donotattempttoliftanyobjectsthatweighmorethan16kg(35lb)orobjectsthatyouthinkare

tooheavyforyou.

•Donotperformanyactionthatcauseshazardstothecustomer,orthatmakestheequipmentunsafe.

•Beforeyoustartthemachine,ensurethatotherservicerepresentativesandthecustomer’spersonnelare

notinahazardousposition.

•Placeremovedcoversandotherpartsinasafeplace,awayfromallpersonnel,whileyouareservicing

themachine.

•Keepyourtoolcaseawayfromwalkareassothatotherpeoplewillnottripoverit.

•Donotwearlooseclothingthatcanbetrappedinthemovingpartsofamachine.Ensurethatyoursleeves

arefastenedorrolledupaboveyourelbows.Ifyourhairislong,fastenit.

•Inserttheendsofyournecktieorscarfinsideclothingorfastenitwithanonconductiveclip,approximately

8centimeters(3inches)fromtheend.

•Donotwearjewelry,chains,metal-frameeyeglasses,ormetalfastenersforyourclothing.

Remember:Metalobjectsaregoodelectricalconductors.

•Wearsafetyglasseswhenyouare:hammering,drillingsoldering,cuttingwire,attachingsprings,using

solvents,orworkinginanyotherconditionsthatmightbehazardoustoyoureyes.

•Afterservice,reinstallallsafetyshields,guards,labels,andgroundwires.Replaceanysafetydevice

thatiswornordefective.

•Reinstallallcoverscorrectlybeforereturningthemachinetothecustomer.

Electricalsafety

CAUTION:

Electricalcurrentfrompower,telephone,andcommunicationcablescanbehazardous.T oavoid

personalinjuryorequipmentdamage,disconnecttheattachedpowercords,telecommunication

systems,networks,andmodemsbeforeyouopenthecomputercovers,unlessinstructedotherwise

intheinstallationandconfigurationprocedures.

©CopyrightLenovo20173

Observethefollowingruleswhenworkingonelectricalequipment.

Important:Useonlyapprovedtoolsandtestequipment.Somehandtoolshavehandlescoveredwithasoft

materialthatdoesnotinsulateyouwhenworkingwithliveelectricalcurrents.Manycustomershave,near

theirequipment,rubberfloormatsthatcontainsmallconductivefiberstodecreaseelectrostaticdischarges.

Donotusethistypeofmattoprotectyourselffromelectricalshock.

•Findtheroomemergencypower-off(EPO)switch,disconnectingswitch,orelectricaloutlet.Ifanelectrical

accidentoccurs,youcanthenoperatetheswitchorunplugthepowercordquickly.

•Donotworkaloneunderhazardousconditionsornearequipmentthathashazardousvoltages.

•Disconnectallpowerbefore:

–Performingamechanicalinspection

–Workingnearpowersupplies

–RemovingorinstallingFieldReplaceableUnits(FRUs)

•Beforeyoustarttoworkonthemachine,unplugthepowercord.Ifyoucannotunplugit,askthecustomer

topower-offthewallboxthatsuppliespowertothemachineandtolockthewallboxintheoffposition.

•Ifyouneedtoworkonamachinethathasexposedelectricalcircuits,observethefollowingprecautions:

–Ensurethatanotherperson,familiarwiththepower-offcontrols,isnearyou.

Remember:Anotherpersonmustbetheretoswitchoffthepower,ifnecessary.

–Useonlyonehandwhenworkingwithpowered-onelectricalequipment;keeptheotherhandinyour

pocketorbehindyourback.

Remember:Theremustbeacompletecircuittocauseelectricalshock.Byobservingtheaboverule,

youmaypreventacurrentfrompassingthroughyourbody.

–Whenusingatester,setthecontrolscorrectlyandusetheapprovedprobeleadsandaccessoriesfor

thattester.

–Standonsuitablerubbermats(obtainedlocally,ifnecessary)toinsulateyoufromgroundssuchas

metalfloorstripsandmachineframes.

Observethespecialsafetyprecautionswhenyouworkwithveryhighvoltages;theseinstructionsarein

thesafetysectionsofmaintenanceinformation.Useextremecarewhenmeasuringhighvoltages.

•Regularlyinspectandmaintainyourelectricalhandtoolsforsafeoperationalcondition.

•Donotusewornorbrokentoolsandtesters.

•Neverassumethatpowerhasbeendisconnectedfromacircuit.First,checkthatithasbeenpowered-off.

•Alwayslookcarefullyforpossiblehazardsinyourworkarea.Examplesofthesehazardsaremoistfloors,

nongroundedpowerextensioncables,powersurges,andmissingsafetygrounds.

•Donottouchliveelectricalcircuitswiththereflectivesurfaceofaplasticdentalmirror.Thesurfaceis

conductive;suchtouchingcancausepersonalinjuryandmachinedamage.

•Donotservicethefollowingpartswiththepoweronwhentheyareremovedfromtheirnormaloperating

placesinamachine:

–Powersupplyunits

–Pumps

–Blowersandfans

–Motorgenerators

andsimilarunits.(Thispracticeensurescorrectgroundingoftheunits.)

•Ifanelectricalaccidentoccurs:

–Usecaution;donotbecomeavictimyourself.

–Switchoffpower.

4LenovoLegionY520TowerHardwareMaintenanceManual

–Sendanotherpersontogetmedicalaid.

Safetyinspectionguide

Theintentofthisinspectionguideistoassistyouinidentifyingpotentiallyunsafeconditionsonthese

products.Eachmachine,asitwasdesignedandbuilt,hadrequiredsafetyitemsinstalledtoprotectusers

andservicepersonnelfrominjury.Thisguideaddressesonlythoseitems.However,goodjudgmentshould

beusedtoidentifypotentialsafetyhazardsduetoattachmentoffeaturesoroptionsnotcoveredbythis

inspectionguide.

Ifanyunsafeconditionsarepresent,youmustdeterminehowserioustheapparenthazardcouldbeand

whetheryoucancontinuewithoutfirstcorrectingtheproblem.

Considertheseconditionsandthesafetyhazardstheypresent:

•Electricalhazards,especiallyprimarypower(primaryvoltageontheframecancauseseriousorfatal

electricalshock).

•Explosivehazards,suchasadamagedCRTfaceorbulgingcapacitor

•Mechanicalhazards,suchaslooseormissinghardware

Theguideconsistsofaseriesofstepspresentedinachecklist.Beginthecheckswiththepoweroff,and

thepowercorddisconnected.

Checklist:

1.Checkexteriorcoversfordamage(loose,broken,orsharpedges).

2.Power-offthecomputer.Disconnectthepowercord.

3.Checkthepowercordfor:

a.Athird-wiregroundconnectoringoodcondition.Useametertomeasurethird-wireground

continuityfor0.1ohmorlessbetweentheexternalgroundpinandframeground.

b.Thepowercordshouldbetheappropriatetypeasspecifiedinthepartslistings.

c.Insulationmustnotbefrayedorworn.

4.Removethecover.

5.Checkforanyobviousalterations.Usegoodjudgmentastothesafetyofanyalterations.

6.Checkinsidetheunitforanyobviousunsafeconditions,suchasmetalfilings,contamination,wateror

otherliquids,orsignsoffireorsmokedamage.

7.Checkforworn,frayed,orpinchedcables.

8.Checkthatthepower-supplycoverfasteners(screwsorrivets)havenotbeenremovedortamperedwith.

Handlingelectrostaticdischarge-sensitivedevices

Anycomputerpartcontainingtransistorsorintegratedcircuits(ICs)shouldbeconsideredsensitiveto

electrostaticdischarge(ESD).ESDdamagecanoccurwhenthereisadifferenceinchargebetweenobjects.

ProtectagainstESDdamagebyequalizingthechargesothatthemachine,thepart,theworkmat,andthe

personhandlingthepartareallatthesamecharge.

Notes:

1.Useproduct-specificESDprocedureswhentheyexceedtherequirementsnotedhere.

2.MakesurethattheESDprotectivedevicesyouusehavebeencertified(ISO9000)asfullyeffective.

WhenhandlingESD-sensitiveparts:

•Keepthepartsinprotectivepackagesuntiltheyareinsertedintotheproduct.

Chapter2.Safetyinformation5

•Avoidcontactwithotherpeoplewhilehandlingthepart.

•Wearagroundedwriststrapagainstyourskintoeliminatestaticonyourbody.

•Preventthepartfromtouchingyourclothing.Mostclothingisinsulativeandretainsachargeeven

whenyouarewearingawriststrap.

•Usetheblacksideofagroundedworkmattoprovideastatic-freeworksurface.Thematisespecially

usefulwhenhandlingESD-sensitivedevices.

•Selectagroundingsystem,suchasthoselistedbelow,toprovideprotectionthatmeetsthespecific

servicerequirement.

Note:TheuseofagroundingsystemisdesirablebutnotrequiredtoprotectagainstESDdamage.

–AttachtheESDgroundcliptoanyframeground,groundbraid,orgreen-wireground.

–UseanESDcommongroundorreferencepointwhenworkingonadouble-insulatedor

battery-operatedsystem.Youcanusecoaxorconnector-outsideshellsonthesesystems.

–Usetheroundground-prongoftheacplugonac-operatedcomputers.

Groundingrequirements

Electricalgroundingofthecomputerisrequiredforoperatorsafetyandcorrectsystemfunction.Proper

groundingoftheelectricaloutletcanbeverifiedbyacertifiedelectrician.

Safetynotices

ThecautionanddangersafetynoticesinthissectionareprovidedinthelanguageofEnglish.

DANGER

Electricalcurrentfrompower,telephoneandcommunicationcablesishazardous.

Toavoidashockhazard:

•Donotconnectordisconnectanycablesorperforminstallation,maintenance,orreconfiguration

ofthisproductduringanelectricalstorm.

•Connectallpowercordstoaproperlywiredandgroundedelectricaloutlet.

•Connecttoproperlywiredoutletsanyequipmentthatwillbeattachedtothisproduct.

•Whenpossible,useonehandonlytoconnectordisconnectsignalcables.

•Neverturnonanyequipmentwhenthereisevidenceoffire,water,orstructuraldamage.

•Disconnecttheattachedpowercords,telecommunicationssystems,networks,andmodems

beforeyouopenthedevicecovers,unlessinstructedotherwiseintheinstallationandconfiguration

procedures.

•Connectanddisconnectcablesasdescribedinthefollowingtablewheninstalling,moving,or

openingcoversonthisproductorattacheddevices.

6LenovoLegionY520TowerHardwareMaintenanceManual

ToConnectToDisconnect

1.T urneverythingOFF .

2.First,attachallcablestodevices.

3.Attachsignalcablestoconnectors.

4.Attachpowercordstooutlet.

5.T urndeviceON.

1.T urneverythingOFF .

2.First,removepowercordsfromoutlet.

3.Removesignalcablesfromconnectors.

4.Removeallcablesfromdevices.

CAUTION:

Whenreplacingthelithiumbattery,useonlyPartNumber45C1566oranequivalenttypebattery

recommendedbythemanufacturer.Ifyoursystemhasamodulecontainingalithiumbattery,replace

itonlywiththesamemoduletypemadebythesamemanufacturer.Thebatterycontainslithiumand

canexplodeifnotproperlyused,handled,ordisposedof.

Donot:

•Throworimmerseintowater

•Heattomorethan100°C(212°F)

•Repairordisassemble

Disposeofthebatteryasrequiredbylocalordinancesorregulations.

CAUTION:

Whenlaserproducts(suchasCD-ROMs,DVD-ROMdrives,fiberopticdevices,ortransmitters)are

installed,notethefollowing:

•Donotremovethecovers.Removingthecoversofthelaserproductcouldresultinexposureto

hazardouslaserradiation.Therearenoserviceablepartsinsidethedevice.

•Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthosespecifiedherein

mightresultinhazardousradiationexposure.

DANGER

SomelaserproductscontainanembeddedClass3AorClass3Blaserdiode.Notethefollowing:

Laserradiationwhenopen.Donotstareintothebeam,donotviewdirectlywithoptical

instruments,andavoiddirectexposuretothebeam.

Chapter2.Safetyinformation7

≥18kg(37lbs)≥32kg(70.5lbs)≥55kg(121.2lbs)

CAUTION:

Usesafepracticeswhenlifting.

CAUTION:

Thepowercontrolbuttononthedeviceandthepowerswitchonthepowersupplydonotturnoff

theelectricalcurrentsuppliedtothedevice.Thedevicealsomighthavemorethanonepower

cord.Toremoveallelectricalcurrentfromthedevice,ensurethatallpowercordsaredisconnected

fromthepowersource.

1

2

CAUTION:

Donotplaceanyobjectweighingmorethan82kg(180lbs.)ontopofrack-mounteddevices.

8LenovoLegionY520TowerHardwareMaintenanceManual

Chapter3.Generalinformation

Thischapterprovidesgeneralinformationthatappliestoallmachinetypessupportedbythispublication.

Specifications

Thissectionliststhephysicalspecificationsforyourcomputer.

Thissectionliststhephysicalspecificationsforyourcomputer.

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

©CopyrightLenovo20179

10LenovoLegionY520TowerHardwareMaintenanceManual

Chapter4.GeneralCheckout

Attention:Thedrivesinthecomputeryouareservicingmighthavebeenrearrangedorthedrivestartup

sequencechanged.Beextremelycarefulduringwriteoperationssuchascopying,saving,orformatting.

Dataorprogramscanbeoverwrittenifyouselectanincorrectdrive.

Generalerrormessagesappearifaproblemorconflictisfoundbyanapplicationprogram,theoperating

system,orboth.Foranexplanationofthesemessages,refertotheinformationsuppliedwiththatsoftware

package.

Usethefollowingproceduretohelpdeterminethecauseoftheproblem:

1.Power-offthecomputerandallexternaldevices.

2.Checkallcablesandpowercords.

3.Setalldisplaycontrolstothemiddleposition.

4.Power-onallexternaldevices.

5.Power-onthecomputer.

•Lookfordisplayederrorcodes

•Lookforreadableinstructionsoramainmenuonthedisplay.

Ifyoudidnotreceivethecorrectresponse,proceedtostep6.

Ifyoudoreceivethecorrectresponse,proceedtostep7.

6.Lookatthefollowingconditionsandfollowtheinstructions:

•IfthecomputerdisplaysaPOSTerror,goto“POSTerrorcodes” .

•Ifthecomputerhangsandnoerrorisdisplayed,continueatstep7.

7.Iftheteststopsandyoucannotcontinue,replacethelastdevicetested.

©CopyrightLenovo201711

12LenovoLegionY520TowerHardwareMaintenanceManual

Chapter5.UsingtheSetupUtility

TheSetupUtilityprogramisusedtoviewandchangetheconfigurationsettingsofyourcomputer,regardless

ofwhichoperatingsystemyouareusing.However,theoperating-systemsettingsmightoverrideanysimilar

settingsintheSetupUtilityprogram.

StartingtheLenovoBIOSSetupUtilityprogram

TostarttheLenovoBIOSSetupUtilityprogram,dothefollowing:

1.Ifyourcomputerisalreadyonwhenyoustartthisprocedure,shutdowntheoperatingsystemand

turnoffthecomputer.

2.PressandholdtheF1key,andthenturnonthecomputer.WhentheLenovoBIOSSetupUtilityprogram

isdisplayed,releasetheF1key.

Note:IfaPower-OnPasswordoranAdministratorPasswordhasbeenset,theSetupUtilityprogrammenu

isnotdisplayeduntilyoutypeyourpassword.Formoreinformation,see“Usingpasswords.”

Viewingandchangingsettings

SystemconfigurationoptionsarelistedintheLenovoBIOSSetupUtilityprogrammenu.Tovieworchange

settings,see“StartingtheSetupUtilityprogram.”

YoumustusethekeyboardwhenusingtheLenovoBIOSSetupUtilitymenu.Thekeysusedtoperform

varioustasksaredisplayedonthebottomofeachscreen.

Usingpasswords

YoucanusetheLenovoBIOSSetupUtilityprogramtosetpasswordstopreventunauthorizedpersons

fromgainingaccesstoyourcomputeranddata.See“StartingtheSetupUtilityprogram.”Thefollowing

typesofpasswordsareavailable:

•AdministratorPassword

•Power-OnPassword

Youdonothavetosetanypasswordstouseyourcomputer.However,ifyoudecidetosetpasswords,read

thefollowingsections.

Passwordconsiderations

Apasswordcanbeanycombinationoflettersandnumbersupto16character(a-z,and0-9).Forsecurity

reasons,itisagoodideatouseastrongpasswordthatcannotbeeasilycompromised.Wesuggestthat

passwordsshouldfollowtheserules:

•Strongpasswordscontain7-16characters,combinelettersandnumbers.

•Donotuseyournameoryourusername.

•Donotuseacommonwordoracommonname.

•Besignificantlydifferentfromyourpreviouspassword.

Attention:AdministratorandPower-Onpasswordsarenotcasesensitive

©CopyrightLenovo201713

AdministratorPassword

SettinganAdministratorPassworddetersunauthorizedpersonsfromchangingconfigurationsettings.You

mightwanttosetanAdministratorPasswordifyouareresponsibleformaintainingthesettingsofseveral

computers.

AfteryousetanAdministratorPassword,apasswordpromptisdisplayedeverytimeyouaccesstheLenovo

BIOSSetupUtilityprogram.

IfboththeAdministratorandPower-OnPasswordareset,youcantypeeitherpassword.However,youmust

useyourAdministratorPasswordtochangeanyconfigurationsettings.

Setting,changing,ordeletinganAdministratorpassword

TosetanAdministratorPassword,dothefollowing:

Note:Apasswordcanbeanycombinationoflettersandnumbersupto16character(a-z,and0-9).For

moreinformation,see“Passwordconsiderations”onpage13.

1.StarttheLenovoBIOSSetupUtilityprogram(see“StartingtheLenovoBIOSSetupUtilityprogram”on

page13).

2.FromtheSecuritymenu,selectSetAdministratorPasswordandpresstheEnterkey.

3.Thepassworddialogboxwillbedisplayed.Typethepassword,andthenpresstheEnterkey.

4.Re-typethepasswordtoconfirm,andthenpresstheEnterkey.Ifyoutypethepasswordcorrectly,

thepasswordwillbeinstalled.

TochangeanAdministratorPassword,dothefollowing:

1.StarttheLenovoBIOSSetupUtilityprogram(see“StartingtheLenovoBIOSSetupUtilityprogram”on

page13).

2.FromtheSecuritymenu,selectSetAdministratorPasswordandpresstheEnterkey.

3.Thepassworddialogboxwillbedisplayed.Typethecurrentpassword,andthenpressEnterkey.

4.Typethenewpassword,andthenpressEnterkey.Re-typethepasswordtoconfirmthenewpassword,

ifyoutypethenewpasswordcorrectly,thenewpasswordwillbeinstalled.ASetupNoticewilldisplay

thatchangeshavebeensaved.

TodeleteapreviouslysetAdministratorPassword,dothefollowing:

1.FromtheSecuritymenu,selectSetAdministratorPasswordandpresstheEnterkey.

2.Thepassworddialogboxwillbedisplayed.TypethecurrentpasswordandpresstheEnterkey.

3.TodeleteanAdministratorPassword,Enterblankfieldsforeachnewpasswordlineitem.Asetup

noticewilldisplaythatchangeshavebeensaved.

4.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.

5.SelectSavechangesandExitfromthemenu.

Power-OnPassword

WhenaPower-OnPasswordisset,youcannotstarttheLenovoBIOSSetupUtilityprogramuntilavalid

passwordistypedfromthekeyboard.

Setting,changing,ordeletingaPower-OnPassword

Note:Apasswordcanbeanycombinationoflettersandnumbersupto16character(a-z,and0-9).

14LenovoLegionY520TowerHardwareMaintenanceManual

TosetaPower-OnPassword,dothefollowing:

1.StarttheLenovoBIOSSetupUtilityprogram(See”StartingtheLenovoBIOSSetupUtilityprogram”on

page13.)

2.FromtheSecuritymenu,selectSetPower-OnPasswordandpresstheEnterkey.

3.Thepassworddialogboxwillbedisplayed.Typethepassword,andpresstheEnterkey.

4.Re-typethepasswordtoconfirm,ifyoutypethepasswordcorrectly,thepasswordwillbeinstalled.

TochangeaPower-OnPassword,dothefollowing:

1.StarttheLenovoBIOSSetupUtilityprogram(See”StartingtheLenovoBIOSSetupUtilityprogram”on

page13.)

2.FromtheSecuritymenu,selectSetPower-OnPasswordandpresstheEnterkey.

3.Thepassworddialogboxwillbedisplayed.Typethecurrentpassword,andthenpresstheEnterkey.

4.Typethenewpassword,andthenpresstheEnterkey.Re-typethepasswordtoconfirmthenew

password,ifyoutypethenewpasswordcorrectly,thenewpasswordwillbeinstalled.Asetupnotice

willdisplaythatchangeshavebeensaved.

TodeleteapreviouslysetPower-OnPassword,dothefollowing:

1.FromtheSecuritymenu,selectSetPower-OnPasswordandpresstheEnterkey.

2.Thepassworddialogboxwillbedisplayed.TypethecurrentpasswordandpresstheEnterkey.

3.TodeletethePower-OnPassword,Enterblankfieldsforeachnewpasswordlineitem.Asetup

noticewilldisplaythatchangeshavebeensaved.

4.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.

5.SelectSavechangesandExitfromthemenu.

Enablingordisablingadevice

TheDevicesoptionsisusedtoenableordisableuseraccesstothefollowingdevices:

SerialPortSetupSelectthisoptiontoenableordisableSerialPort(com).

USBFunctionsSelectwhethertoenableordisableUSB(UniversalSerial

Bus)functions.Ifitisdisabled,theUSBkeyboardand/or

USBmousemaybenotabletobeusedwithoutdevice

driversupport.

ATADriveSetupSelectIDE,ACHImodeordisableSATAcontroller.Device

driversupportisrequiredforACHImode.Dependingon

howtheharddiskimagewasinstalled,changingthis

settingmaypreventthesystemfrombooting.

VideoSetupToconfigurevideorelatedfunctions.Thisoptionallows

youtoconfiguresystem'sinitiategraphicadapterfrom

eitherIGD(IntegratedGraphicsDevice)orPEG(PCI

ExpressGraphics).KeepontheIGDenabledbasedon

thesetupoptions.

Chapter5.UsingtheSetupUtility15

OnboardAudioControllerSelectwhethertoenableordisabletheOnboardAudio

Controller,whenfeatureissettoDisabledalldevices

connectedtotheaudioconnectors(e.g.aheadphoneor

amicrophone)aredisabledandcan’tbeused.

OnboardEthernetControllerorLANBootAgentSelectwhethertoenableordisableOnboardEthernet

Controller,orselectwhethertoenableordisableload

onboardPXE(PrebootExecutionEnvironment),or

SMC(SecureManagedClient).Thisfeaturewillallow

thecomputertobootfromaserverimage.

Toenableordisableadevice,dothefollowing:

1.StarttheSetupUtilityprogram(see“StartingtheSetupUtilityprogram”onpage13).

2.FromtheSetupUtilityprogrammenu,selectDevices.

3.Select:

SerialPortSetuppresstheEnterkey,andthenselectSerialPortSetup.

USBSetuppresstheEnterkey,andthenselectUSBFunctions.

ATADeviceSetuppresstheEnterkey.SelectConfigureSATAas,presstheEnterkey,and

thenselectSATAmode.

VideoSetuppresstheEnterkey,andthenselectVideoSetup.

AudioSetuppresstheEnterkey,andthenselectOnboardAudioController.

NetworkSetuppresstheEnterkey,andthenselectOnboardEthernetSupportorLANBoot

Agent.

4.SelectDisabledorEnabledandthenpresstheEnterkey.

5.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.

6.SelectSavechangesandExitfromthemenu.

Note:Ifyoudonotwanttosavethesettings,selectDiscardchangesandExitfromthemenu.

Selectingastartupdevice

IfyourcomputerdoesnotbootfromadevicesuchastheCD/DVD-ROMdrivediskorharddiskasexpected,

followoneoftheproceduresbelow.

Selectingatemporarystartupdevice

Usethisproceduretostartupfromanybootdevice.

Note:NotallCDs,DVDsorharddiskdrivesarebootable.

1.Turnoffyourcomputer.

2.PressandholdtheF12key,andthenturnonthecomputer.WhentheStartupDeviceMenuappears,

releasetheF12key.

Note:IftheStartupDeviceMenudoesnotdisplayusingthesesteps,repeatedlypressandreleasethe

F12keyratherthankeepingitpressedwhenturningonthecomputer.

3.Use↑and↓arrowstoselectthedesiredstartupdevicefromtheStartupDeviceMenuandpress

theEnterkeytobegin.

Note:SelectingastartupdevicefromtheStartupDeviceMenudoesnotpermanentlychangethe

startupsequence.

16LenovoLegionY520TowerHardwareMaintenanceManual

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:

a.Ifyoudonotwanttosavethesettings,selectDiscardchangesandExitfromthemenu.

b.Ifyouhavechangedthesesettingsandwanttoreturntothedefaultsettings,selectLoadOptimal

Defaultsfromthemenu.

ExitingtheLenovoBIOSSetupUtilityprogram

Afteryoufinishviewingorchangingsettings,presstheEsckeytoreturntotheLenovoBIOSSetupUtility

programmainmenu.YoumighthavetopresstheEsckeyseveraltimes.Dooneofthefollowing:

•Ifyouwanttosavethenewsettings,selectSavechangesandExitfromthemenu.WhentheSave&

resetwindowshows,selecttheYesbutton,andthenpresstheEnterkeytoexittheLenovoBIOS

SetupUtilityprogram.

•Ifyoudonotwanttosavethesettings,selectDiscardchangesandExitfromthemenu.Whenthe

ResetWithoutSavingwindowshows,selecttheYesbutton,andthenpresstheEnterkeytoexitthe

SetupUtilityprogram.

Chapter5.UsingtheSetupUtility17

18LenovoLegionY520TowerHardwareMaintenanceManual

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

Aharddiskdrivebooterrorcanhavethefollowingcauses.

ErrorFRU/Action

Thestartupdriveisnotincludedinthebootsequence

inconfiguration.

Checktheconfigurationandensurethestartupdriveis

inthebootsequence.

Nooperatingsysteminstalledonthebootdrive.Installanoperatingsystemonthebootdrive.

Thebootsectoronthestartupdriveiscorrupted.Thedrivemustbeformatted.Dothefollowing:

1.Attempttoback-upthedataonthefailingharddisk

drive.

2.Usetheoperatingsystemtoformattheharddisk

drive.

Thedriveisdefective.Replacetheharddiskdrive.

PowerSupplyProblems

Followtheseproceduresifyoususpectthereisapowersupplyproblem.

Check/VerifyFRU/Action

Checkthatthefollowingareproperlyinstalled:

•PowerCord

•On/OffSwitchconnector

•SystemBoardPowerSupplyconnectors

•Microprocessor(s)connection

Reseatconnectors

Checkthepowercord.PowerCord

Checkthepower-onswitch.Power-onSwitch

©CopyrightLenovo201719

POSTerrorcodes

Eachtimeyouturnthecomputeron,itperformsaseriesofteststocheckthatthesystemisoperating

correctlyandthatcertainoptionsareset.ThisseriesoftestsiscalledthePower-OnSelf-Test,orPOST.

POSTdoesthefollowing:

•Checkssomebasicsystem-boardoperations

•Checksthatthememoryisworkingcorrectly

•Startsvideooperations

•Verifiesthatthebootdriveisworking

POSTErrorMessageDescription/Action

KeyboarderrorCannotinitializethekeyboard.Makesurethekeyboard

isproperlyconnectedtothecomputerandthatnokeys

areheldpressedduringPOST.Topurposelyconfigure

thecomputerwithoutakeyboard,selectKeyboardless

operationinStartupoptiontoEnabled.TheBIOSthen

ignoresthemissingkeyboardduringPOST.

RebootandSelectproperBootdeviceorInsertBoot

MediainselectedBootdevice

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.

20LenovoLegionY520TowerHardwareMaintenanceManual

Chapter7.Locatingconnectors,controlsandcomponents

Thissectionprovidesillustrationstohelplocatethevariousconnectors,controlsandcomponentsofthe

computer.

Fontview

Thefollowingillustrationshowsthelocationofcontrolsandcomponentsonthefrontofthecomputer.

Attention:Becarefulnottoblockanyairventsonthecomputer.Blockedairventscancauseoverheating.

1.USB3.0connector5.Powerbutton

2.Headphoneconnector6.Opticaldrive

3.Microphoneconnector7.Opticaldriveejectbutton

4.USB3.0connector

©CopyrightLenovo201721

Rearview

Thefollowingillustrationsshowthelocationofconnectorsandcomponentsontherearofthe310series

computers.

1.HDMI-outconnector5.Ethernetconnector

2.USB3.0connector6.Audioconnectors

3.USB2.0connectors(2)7.PCI-Expresscardarea

4.USB3.0connector8.Powerconnector

22LenovoLegionY520TowerHardwareMaintenanceManual

Hardwarecomponents

Thefollowingillustrationshowsthecomponentsthatmakeupyourcomputer.

1.PCIcover13.Opticaldrive

2.Microprocessorassembly14.Graphiccard

3.Rearfan15.Storagedrive

4.Topbezel16.Storagedrivebracket

5.Wi-Fiantennas(2)17.Graphiccardholder

6.FrontI/Obracket18.Topbezel

7.FrontI/Oassembly19.Keyboard

8.Rightcomputercover20.Mouse

9.Motherboard21SATAcable(forconnectingthestoragedrive)

10.Chassis22SATAcable(forconnectingtheopticaldrive)

11Leftcomputercover23Frontfan(optional)

12.Powersupplyunit

Identifyingpartsonthemotherboard

Themotherboard(sometimescalledtheplanarorsystemboard)isthemaincircuitboardinyourcomputer.

Itprovidesbasiccomputingfunctionsandsupportsavarietyofdevicesthatarefactory-installedorthat

Chapter7.Locatingconnectors,controlsandcomponents23

youcaninstalllater.Thefollowingillustrationshowsthelocationofconnectorsandcomponentsonthe

frontofthemotherboard.

1

2

4

5

6

11

9

10

12

13

14

15161719

8

7

3

18

1.HDMI-outconnector11.Frontfanconnector

2.USB3.0connector12.M.2SSDconnector

3.USB2.0connectors(2)13.Frontpanelconnector

4.USB3.0andEthernetconnectors14.24pinpowerconnectortoconnectthepowersupply

unit

5.Audioconnectors15.Memoryslots(2)

6.PCIexpressX16adapterslot16.Microprocessorfanconnector

7.M.2Wi-Ficardslot17.Rearfanconnector

8.FrontUSB3.0connector18.Microprocessorsocket

9.SATAconnector19.4pinconnectortoconnectthemicroprocessor

10.SATAconnector

24LenovoLegionY520TowerHardwareMaintenanceManual

Chapter8.Replacinghardware

Attention:Donotremovethecomputercoverorattemptanyrepairbeforereadingthe“Importantsafetyinformation”

intheSafetyandWarrantyGuidethatwasincludedwithyourcomputer.ToobtaincopiesoftheSafetyandWarranty

Guide,gototheSupportWebsiteat:http://consumersupport.lenovo.com.

Note:UseonlypartsprovidedbyLenovo.

Generalinformation

Pre-disassemblyinstructions

Beforeproceedingwiththedisassemblyprocedure,makesurethatyoudothefollowing:

1.Turnoffthepowertothesystemandallperipherals.

2.Unplugallpowerandsignalcablesfromthecomputer.

3.Placethesystemonaflat,stablesurface.

©CopyrightLenovo201725

Replacingthekeyboardandmouse

Toreplacethekeyboardandmouse

Step1.Removeanymedia(disks,CDs,DVDsormemorycards)fromthedrives,shutdowntheoperating

system,andturnoffthecomputerandallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”

and“Rearview”forhelpwithlocatingthevariousconnectors.

Note:YourkeyboardwillbeconnectedtoaUSBconnectorononesideorattherearofthe

computer.

Step4.Disconnectthedefectivekeyboardcablefromthecomputerandconnectthenewkeyboardcable

tothesameconnector.

Note:Themousecanbereplacedusingthesamemethod.

Removingthecomputercover

Attention:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftflatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches

orotherdamage.

Toremovethecomputercover:

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.

26LenovoLegionY520TowerHardwareMaintenanceManual

Step4.Removethe2screwsthatsecurethecomputercoverattherearofthechassis.

1

1

2

Step5.Toreinstallthecomputercover:

a.Lineupthecomputercoverwiththechassis,andthenslideitback.

b.Securethecomputercovertothechassiswiththescrews.

1

2

2

Removingthetopbezel

Attention:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftflatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches

orotherdamage.

Toremovethetopbezel:

Step1.Removeanymediafromthedrives,shutdowntheoperatingsystem,andturnoffthecomputer

andallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Chapter8.Replacinghardware27

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.RefertoLocatingconnectors,

controlsandcomponentstolocatethevariousconnectors.

Step4.Removethecomputercover.RefertoRemovingthecomputercover.

Step5.Pressandpushthefourplastictabsonthetopofthechassisoutward1,andthenremovethe

topbezel2.

1

1

2

Step6.Toreattachthetopbezel:

a.Insertthefourplastictabsintothecorrespondingholesonthetopofthechassisuntilthey

snapintoposition.

Step7.Reinstallalltheremovedparts,andthenreconnectthecables.

Removingthefrontbezel

Attention:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftflatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches

orotherdamage.

Toremovethefrontbezel:

Step1.Removeanymediafromthedrives,shutdowntheoperatingsystem,andturnoffthecomputer

andallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.RefertoLocatingconnectors,

controlsandcomponentstolocatethevariousconnectors.

Step4.Removethecomputercover.RefertoRemovingthecomputercover.

28LenovoLegionY520TowerHardwareMaintenanceManual

Step5.Releasethethreeplastictabsontheleftandrightsidesofthefrontbezel1,andthenpivot

thefrontbezeloutward2.

1

1

2

Step6.Toreattachthebezel:

a.Alignthethreeplastictabsonbothsidesofthefrontbezelwiththecorrespondingholesinthe

chassis.Then,pivotthefrontbezelinwarduntilitsnapsintoposition.

Step7.Reinstallalltheremovedparts,andthenreconnectthecables.

Replacingthepowersupplyassemby

Note:Forthisprocedure,ithelpstolaythecomputerflat.

Toreplacethepowersupplyassembly:

Step1.Removeanymediafromthedrives,shutdowntheoperatingsystem,andturnoffthecomputer

andallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.RefertoLocatingconnectors,

controlsandcomponentstolocatethevariousconnectors.

Step4.Removethecomputercover.RefertoRemovingthecomputercover.

Chapter8.Replacinghardware29

Step5.Removethefivescrewsthatsecurethepowersupplyassembly.

Step6.Slidethenliftthepowersupplyassemblyoutofthechassis.

Step7.Installthenewpowersupplyassembly：

a.Positionthenewpowersupplyassemblyinthechassissothatthefivescrewholesinthe

powersupplyassemblyalignwiththoseinthechassis.Then,installthefivescrewstosecure

thepowersupplyassembly.

b.Connectthepowersupplyassemblycablestotheconnectorsonthemotherboard.

Step8.Reattachthecomputercover.

Replacinganopticaldrive

Note:Forthisprocedure,ithelpstolaythecomputerflat.

Toreplaceanopticaldrive:

Step1.Removeanymediafromthedrives,shutdowntheoperatingsystem,andturnoffthecomputer

andallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.RefertoLocatingconnectors,

controlsandcomponentstolocatethevariousconnectors.

Step4.Removethecomputercover.RefertoRemovingthecomputercover.

30LenovoLegionY520TowerHardwareMaintenanceManual

Step5.Disconnectthedataandpowercablesfromtherearoftheopticaldrive1.

Step6.Opentheopticaldrivecover2.

Step7.Opentheopticaldrivelock3,andthenpushtheopticaldriveout4.

1

2

3

4

Step8.Toinstallthenewopticaldrive:

a.Insertthenewopticaldriveintothechassis.

b.Closetheopticaldrivelocktosecurethenewopticaldrivetothechassis.

c.Connectthedataandpowercablestothenewopticaldrive.

d.Closetheopticaldrivecover.

Step9.Reinstallalltheremovedparts.

ReplacingtheM.2storagedrive

Note:Forthisprocedure,ithelpstolaythecomputerflat.

ToreplacetheM.2storagedrive:

Step1.Removeanymediafromthedrives,shutdowntheoperatingsystem,andturnoffthecomputer

andallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.RefertoLocatingconnectors,

controlsandcomponentstolocatethevariousconnectors.

Step4.Removethecomputercover.RefertoRemovingthecomputercover.

Chapter8.Replacinghardware31

Step5.RemovethescrewthatsecurestheM.2storagedrivetothemotherboard.

Step6.PulltheM.2storagedriveout.

Step7.ToinstallthenewM.2storagedrive：

a.InsertthenewM.2storagedriveintotheM.2slot.

b.SecurethenewM.2storagedrivetothemotherboardwithonescrew.

Step8.Reinstallalltheremovedparts,andthenreconnectthecables.

Replacingthe3.5-inchstoragedrive

Note:Forthisprocedure,ithelpstolaythecomputerflat.

32LenovoLegionY520TowerHardwareMaintenanceManual

Toreplacethe3.5-inchstoragedrive:

Step1.Removeanymediafromthedrives,shutdowntheoperatingsystem,andturnoffthecomputer

andallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.RefertoLocatingconnectors,

controlsandcomponentstolocatethevariousconnectors.

Step4.Removethecomputercover.RefertoRemovingthecomputercover.

Step5.Disconnectthedataandpowercablesfromthestoragedrive1.

Step6.Pullthestoragedriveassemblyoutward2.

1

2

Step7.Bendthestoragedrivebracketoutward3,andthenliftthe3.5-inchstoragedriveupwardto

removeitfromthestoragedrivebracket4.

3

3

3

3

4

Step8.Toinstallthenew3.5-inchstoragedrive：

a.Putthenew3.5-inchstoragedriveintothestoragedrivebracket.

b.Pushthenew3.5-inchstoragedriveassemblyintothedrivebayuntilitsnapsintoposition.

c.Connectthepoweranddatacablestothe3.5-inchstoragedrive.

Step9.Reinstallalltheremovedparts,andthenreconnectthecables.

Replacingthegraphiccard

Toreplacethegraphiccard:

Chapter8.Replacinghardware33

Step1.Removeanymediafromthedrives,shutdowntheoperatingsystem,andturnoffthecomputer

andallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.RefertoLocatingconnectors,

controlsandcomponentstolocatethevariousconnectors.

Step4.Removethecomputercover.RefertoRemovingthecomputercover.

Step5.Removethescrewsthatsecuregraphiccardbrackettothechassis1.

Step6.Removethegraphiccardbracket.

Step7.Removethescrewsthatsecurethelatchtothechassis2.

Step8.Removethelatch3.

Step9.Pressthecardretaininglatch4asshowntodisengagethelatch.Graspthecardandgentlypull

itoutoftheslot5.

1

1

2

2

3

4

5

1

Step10.Toinstallthenewgraphiccard:

a.Insertthenewgraphiccardtothegraphiccardbracket.

b.Insertthenewgraphiccardandbracketassemblyintothegraphiccardslotonthe

motherboard.

c.Pivotthecardretaininglatchtotheclosedposition.

d.Securethegraphiccardbrackettothechassiswithscrews.

e.Installthelatchtotherightpositionandsecureittothechassiswithscrews.

Step11.Reinstallalltheremovedparts,andthenreconnectthecables.

Replacingamemorymodule

Note:Forthisprocedure,ithelpstolaythecomputerflat.

Toreplaceamemorymodule:

Step1.Removeanymediafromthedrives,shutdowntheoperatingsystem,andturnoffthecomputer

andallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

34LenovoLegionY520TowerHardwareMaintenanceManual

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.RefertoLocatingconnectors,

controlsandcomponentstolocatethevariousconnectors.

Step4.Removethecomputercover.RefertoRemovingthecomputercover.

Step5.Locatethememorymoduleconnectors.RefertoLocatingconnectors,controlsandcomponents.

Step6.Removethememorymodulebeingreplacedbyopeningtheretainingclipsasshown.

Step7.Positionthenewmemorymoduleoverthememoryconnector.Makesurethenotch1onthe

memorymoduleiscorrectlyalignedwiththeconnectorkey2onthesystemboard.Pushthe

memorymodulestraightdownintotheconnectoruntiltheretainingclipsclose.

Step8.Reinstallalltheremovedparts,andthenreconnectthecables.

ReplacingtheWi-Ficard

Note:Forthisprocedure,ithelpstolaythecomputerflat.

ToreplacetheWi-Ficard:

Step1.Removeanymediafromthedrives,shutdowntheoperatingsystem,andturnoffthecomputer

andallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.RefertoLocatingconnectors,

controlsandcomponentstolocatethevariousconnectors.

Step4.Removethecomputercover.RefertoRemovingthecomputercover.

Chapter8.Replacinghardware35

Step5.RemovethescrewthatsecuretheWi-Ficardtothemotherboard1.

Step6.RemovetheWi-Ficardcover2.

Step7.Disconnectthe2antennacablesfromtheWi-Ficard.

Step8.PulltheWi-Ficardoutfromtheslot.

Step9.InstallthenewWi-Ficard:

a.LineupthenewWi-Ficard,andtheninsertitintothesamecardslot.

b.Connectthe2antennacablestothenewWi-Ficard.

c.SecuretheWi-Ficardtothemotherboardwithonescrew.

Step10.Reinstallalltheremovedparts,andthenreconnectthecables.

36LenovoLegionY520TowerHardwareMaintenanceManual

ReplacingtheWi-Fiantenna

Note:Forthisprocedure,ithelpstolaythecomputerflat.

ToreplacetheWi-Fiantenna:

Step1.Removeanymediafromthedrives,shutdowntheoperatingsystem,andturnoffthecomputer

andallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.RefertoLocatingconnectors,

controlsandcomponentstolocatethevariousconnectors.

Step4.Removethecomputercover.RefertoRemovingthecomputercover.

Step5.Removethetopbezel.RefertoRemovingthetopbezel.

Step6.DisconnecttheWi-FiantennacablesfromtheWi-Ficard.

Step7.PeelofftheWi-Fiantennafromthetoppanel,andthenremoveitfromthechassis.

Chapter8.Replacinghardware37

Step8.InstallthenewWi-Fiantenna:

a.PeeloffthereleasepaperontheadhesivesurfaceofthenewWi-Fiantenna.

b.RoutethenewWi-Fiantennacablethroughthecorrespondinghole,andthenstickthenew

Wi-Fiantennatothetoppanel.

c.ConnectthenewWi-FiantennacablestotheWi-Ficard.

Step9.Reinstallalltheremovedparts,andthenreconnectthecables.

Replacingtheheat-sinkandfanassembly

Note:Forthisprocedure,ithelpstolaythecomputerflat.

Toreplacetheheat-sinkandfanassembly:

Step1.Removeanymediafromthedrives,shutdowntheoperatingsystem,andturnoffthecomputer

andallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.RefertoLocatingconnectors,

controlsandcomponentstolocatethevariousconnectors.

Step4.Removethecomputercover.RefertoRemovingthecomputercover.

Step5.Disconnecttheheatsinkandfanassemblycablefromthemicroprocessorfanconnectoron

themotherboard.

Loosenthefourscrewsthatsecuretheheatsinkandfanassemblytothemotherboardinthefollowing

sequence:

•a.Partiallyremovescrew1,fullyremovescrew2,andthenfullyremovescrew1.

•b.Partiallyremovescrew3,fullyremovescrew4,andthenfullyremovescrew3.

Step6.Liftthefailingheatsinkandfanassemblyoffthemotherboard.

Note:Donottouchthethermalgreasewhilehandlingtheheatsinkandfanassembly.

Step7.Toinstallthenewheat-sinkassembly:

a.Positionthenewheatsinkandfanassemblyonthemotherboardsothatthefourscrewsare

alignedwiththeholesinthemotherboard.Ensurethattheheatsinkandfanassemblycable

facestowardthemicroprocessorfanconnectoronthemotherboard.

b.Tightenthefourscrewstosecurethenewheatsinkandfanassembly.

c.Connecttheheatsinkandfanassemblycabletothemicroprocessorfanconnectoronthe

motherboard.

38LenovoLegionY520TowerHardwareMaintenanceManual

Step8.Reinstallalltheremovedparts,andthenreconnectthecables.

Replacingthemicroprocessor

Note:Forthisprocedure,ithelpstolaythecomputerflat.

Toreplacethemicroprocessor

Step1.Removeanymediafromthedrives,shutdowntheoperatingsystem,andturnoffthecomputer

andallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.RefertoLocatingconnectors,

controlsandcomponentstolocatethevariousconnectors.

Step4.Removethecomputercover.RefertoRemovingthecomputercover.

Step5.Removetheheat-sinkandfanassembly.RefertoReplacingtheheat-sinkandfanassembly.

Step6.Pressthesmallhandledownwardtoreleaseitfromtheretainer,andthenopentheretainerto

accessthemicroprocessor.

Step7.Liftthemicroprocessorstraightupandoutofthemicroprocessorsocket.

Note:

a.Yourmicroprocessorandsocketmightlookdifferentfromtheoneillustrated.

Chapter8.Replacinghardware39

b.Touchonlytheedgesofthemicroprocessor.Donottouchthegoldcontactsonthebottom.

c.Donotdropanythingontothemicroprocessorsocketwhileitisexposed.Thesocketpins

mustbekeptascleanaspossible.

Step8.Ensurethatthesmallhandleisintheraisedpositionandthemicroprocessorretainerisfullyopen.

Step9.Removetheprotectivecoverthatprotectsthegoldcontactsofthenewmicroprocessor.

Step10.Notetheorientationofthenewmicroprocessor.Holdthenewmicroprocessorbyitsedgesand

alignthenotches1onitwiththetabs2inthemicroprocessorsocket.Then,carefullylowerthe

newmicroprocessorstraightdownintothemicroprocessorsocket.

Note:Thesmalltriangle3ononecornerofthenewmicroprocessoristhemicroprocessororientation

indicator.Thenewmicroprocessorisinthecorrectorientationwhenthisindicatorpointstothebeveled

corner4ofthemicroprocessorsocket.

Step11.Closethemicroprocessorretainerandlockitintopositionwiththesmallhandletosecurethe

newmicroprocessorinthesocket.

Step12.Reinstalltheheatsinkandfanassembly.

Step13.Reinstallalltheremovedparts,andthenreconnectthecables.

Replacingthefrontfan

Toreplacethefrontfan(optional):

Step1.Removeanymediafromthedrives,shutdowntheoperatingsystem,andturnoffthecomputer

andallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.RefertoLocatingconnectors,

controlsandcomponentstolocatethevariousconnectors.

Step4.Removethecomputercover.RefertoRemovingthecomputercover.

Step5.Removethefrontbezel.RefertoRemovingthefrontbezel.

40LenovoLegionY520TowerHardwareMaintenanceManual

Step6.Disconnectthefrontfanpowercablefromthecorrespondingconnectoronthemotherboard.

Step7.Thesystemfanisconnectedtothechassisbyfourrubbermounts.Breakorcuttherubbermounts

andgentlypullthesystemfanoutofthechassis.

Step8.Toinstallthenewsystemfan:

a.Ontheoutsideofthefrontpanel,pushthefourrubbermountsonthenewsystemfanthrough

thecorrespondingholesinthechassis.

b.Ontheinsideofthefrontpanel,pullthetipsoftherubbermountsuntilthesystemfanis

securedinplace.

c.Connectthefanpowercabletothecorrespondingconnectoronthemotherboard.

Step9.Reinstallalltheremovedparts,andthenreconnectthecables.

Replacingtherearfan

Toreplacetherearfan:

Step1.Removeanymediafromthedrives,shutdowntheoperatingsystem,andturnoffthecomputer

andallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.RefertoLocatingconnectors,

controlsandcomponentstolocatethevariousconnectors.

Step4.Removethecomputercover.RefertoRemovingthecomputercover.

Chapter8.Replacinghardware41

Step5.Disconnecttherearfanpowercablefromthecorrespondingconnectoronthemotherboard.

Step6.Therearfanisconnectedtothechassisbyfourrubbermounts.Breakorcuttherubbermounts

andgentlypullthesystemfanoutofthechassis.

Step7.Toinstallthenewrearfan:

a.Ontheinsideoftherearpanel,pushthefourrubbermountsonthenewrearfanthroughthe

correspondingholesinthechassis.

b.Ontheoutsideoftherearpanel,pullthetipsoftherubbermountsuntiltherearfanissecured

inplace.

c.Connectthefanpowercabletothecorrespondingconnectoronthemotherboard.

Step8.Reinstallalltheremovedparts,andthenreconnectthecables.

Replacingthemotherboard

Note:Forthisprocedure,ithelpstolaythecomputerflat.

Toreplacethemotherboard:

42LenovoLegionY520TowerHardwareMaintenanceManual

Step1.Removeanymediafromthedrives,shutdowntheoperatingsystem,andturnoffthecomputer

andallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.RefertoLocatingconnectors,

controlsandcomponentstolocatethevariousconnectors.

Step4.Removethecomputercover.RefertoRemovingthecomputercover.

Step5.Removethefrontbezel.RefertoRemovingthefrontbezel.

Step6.Pivotthedrivebayassemblyupward.

Step7.Removethememorymodule.RefertoReplacingamemorymodule.

Step8.Removetheheat-sinkassembly.RefertoReplacingtheheat-sinkandfanassembly.

Step9.RemovetheCPU.RefertoReplacingthemicroprocessor.

Step10.Removethegraphiccard.RefertoReplacingthegraphiccard.

Step11.RemovetheWi-Ficard.RefertoReplacingtheWi-Ficard.

Step12.Removethefrontfan.RefertoReplacingthefrontfan.

Step13.Removetherearfan.RefertoReplacingtherearfan.

Step14.Disconnecttheallcablesfromtheconnectorsonmotherboard.

Step15.Removethesixscrewsthatsecurethemotherboardtothechassis.

123

4

5

6

Step16.Liftupthemotherboardtoremoveit.

Step17.Installthenewmotherboard:

a.Lineuptheholesonthenewmotherboardwiththemountingholesonthechassisand

secureitwithsixscrews.

Step18.Reinstallalltheremovedparts,andthenreconnectthecables.

Chapter8.Replacinghardware43

44LenovoLegionY520TowerHardwareMaintenanceManual

Chapter9.FRUlists

Thischapterliststheinformationonthefieldreplaceableunits(FRUs)forLenovoLegionY520Tower

seriescomputers.

Attention:BesuretoreadandunderstandallthesafetyinformationbeforereplacinganyFRUs.

FruP/NDescription

ANTENNA

00XJ106DT-Y520ANTENNA

BDPLANAR

00XK269Y520TMBFRUB250TWWINDPK

00XK268Y520TMBFRUB250TWNODPK

CABLE

00XL317FIOCable

00XL320C.A.SATA_HDD_TO_MB_LDF1

00XL319C.A.SATA_ODD_TO_MB_LDF1

DT_KYB

00XH633USBCalliopeKBBKNORDIC

00XH604USBCalliopeKBBKHBW

00XH605USBCalliopeKBBKHUN

00XH607USBCalliopeKBBKITA

00XH598USBCalliopeKBBKFRA

00XH602USBCalliopeKBBKGRE

00XH601USBCalliopeKBBKGER

00XH627USBCalliopeKBBKSLV

00XH626USBCalliopeKBBKEUROENG

00XH610USBCalliopeKBBKKOR

00XH608USBCalliopeKBBKJPN

00XH621USBCalliopeKBBKSWS

00XH622USBCalliopeKBBKTHAI

00XH630USBCalliopeKBBKINDENG

00XH618USBCalliopeKBBKSLK

00XH625USBCalliopeKBBKUKE

00XH619USBCalliopeKBBKSPA

00XH624USBCalliopeKBBKTUR

00XH611USB,Calliope,KB,BK,LASPA

00XH993USBCalliopeKBBKCZE/SLK

00XH594USBCalliopeKBBKTC/ENG

00XH614USBCalliopeKBBKPOR

©CopyrightLenovo201745

00XH595USBCalliopeKBBKCZE

00XH593USBCalliopeKBBKBUL

00XH591USB,Calliope,KB,BK,BELENG

00XH616USBCalliopeKBBKRUS

00XH587USBCalliopeKBBKENG

00XH588USBCalliopeKBBKARA

00XH635USBCalliopeKBBKCANENG/FRA

FAN

01MN067FrontFanWLEDforY520

00XD157FrontSystemFan

HDD_ASM

45K0623HDD,1TB,7200,DT3,SATA3,STD

45K0625HDD,2TB,7200,DT3,SATA3,STD

00PC551HDD,1TB,7200,DT3,SATA3,STD

00PC552HDD,2TB,7200,DT3,SATA3,STD

HEATSINK

01MN069LGA115XCPUCooler

LINECORD

00XL006Fru,US/CA,1.8M,3P ,NON-LH

00XL014Fru,EU/KR,1.8M,3P ,NON-LH

00XL038Fru,LINECORD,ZA,1.8M,3P ,NON-LH

00XL018Fru,LINECORD,TW,1.8M,3P ,NON-LH

00XL000Fru,JP ,Anti- TR,1.8M,3P ,NON-LH

00XL026Fru,LINECORD,IL,1.8M,3P ,NON-LH

00XL049Fru,LINECORD,IT,1.8M,3P ,NON-LH

00XL009Fru,LINECORD,CN,1.8M,3P ,NON-LH

00XL029Fru,LINECORD,CH,1.8M,3P ,NON-LH

00XL028Fru,LINECORD,IL,1.8M,3P ,NON-LH

00XL044Fru,LINECORD,DK,1.8M,3P ,NON-LH

00XL043Fru,LINECORD,AU,1.8M,3P ,NON-LH

00XL041Fru,LINECORD,AU,1.8M,3P ,NON-LH

00XL016Fru,EU/KR,1.8M,3P ,NON-LH

00XL004Fru,US/CA,1.8M,3P ,NON-LH

00XL040Fru,LINECORD,ZA,1.8M,3P ,NON-LH

00XL047Fru,LINECORD,IT,1.8M,3P ,NON-LH

00XL031Fru,LINECORD,CH,1.8M,3P ,NON-LH

00XL050Fru,LINECORD,TH,1.8M,3P ,NON-LH

00XL048Fru,LINECORD,IT,1.8M,3P ,NON-LH

00XL023Fru,LINECORD,GB,1.8M,3P ,NON-LH

00XL019Fru,LINECORD,TW,1.8M,3P ,NON-LH

46LenovoLegionY520TowerHardwareMaintenanceManual

00XL024Fru,LINECORD,GB,1.8M,3P ,NON-LH

00XL025Fru,LINECORD,GB,1.8M,3P ,NON-LH

00XL039Fru,LINECORD,ZA,1.8M,3P ,NON-LH

00XL046Fru,LINECORD,DK,1.8M,3P ,NON-LH

00XL001Fru,JP ,Anti- TR,1.8M,3P ,NON-LH

00XL010Fru,LINECORD,CN,1.8M,3P ,NON-LH

00XL015Fru,EU/KR,1.8M,3P ,NON-LH

00XL030Fru,LINECORD,CH,1.8M,3P ,NON-LH

00XL017Fru,LINECORD,TW,1.8M,3P ,NON-LH

00XL005Fru,US/CA,1.8M,3P ,NON-LH

00XL027Fru,LINECORD,IL,1.8M,3P ,NON-LH

00XL042Fru,LINECORD,AU,1.8M,3P ,NON-LH

00XL045Fru,LINECORD,DK,1.8M,3P ,NON-LH

MECH_ASM

01MN117ASSY_COVER_TOP_IO_LDF1_25L

01MN118ASSY_REAR_IO_SHIELDING_LDF1_25L

00XD328HDMI_COVERKit

01MN119ASSY_3.5HDD_TRAY_LDF1_25L

01MN111ASSY_BRKT_MAIN_LDF1_25L_Chassis

01MN116ASSY_FRONT_BEZEL_LDF1_25L

MECHANICAL

01MN293SCRW_#6_32_L29WZS

01MN140BRKT_SIDE_COVER_L_LDF1_25L

01MN137BRKT_PCI_COVER_LDF1_25L

01MN139BRKT_SIDE_COVER_L_LDF1_25L

01MN260FRUIOshieldMylarw/Oculus

01MN132HLDR_VGA_LDF1_25L

01MN122BRKT_ODD_DUMMY_LDF1_25L

01MN128WIFIlockbracketA5000

01MN123ODDDUMMYCOVER_LDF1_25L

01MN138CABLETIEYJ-295

MEMORY

01AG8058GBDDR42400UDIMM

01AG8158GBDDR42666UDIMM,MICRON

01AG8218GBDDR42666UDIMM,Ramaxel

MOUSE

00PH133USBCalliopeMouseBK

OPT_DRIVE

71Y5545SMD,DT,SATA,H/H,x16

PWR_SUPPLY

Chapter9.FRUlists47

00PC751200-240Vac,multiatx400WPSU

54Y8985100-240Vac,Y710280WESPSU

54Y8930PWR_SUPPLY,100-240Vac,450W

SCREW

01MN134TAPFLATM5*10LNI

01MN164MANUAL-C#6-32L5BLACKZN,WZS

01MN163MANUAL_#6_32_L7.1BLACKZN,WZS

01MN292#6-32UNC_HW_L6.35_NIWZS

01MN133MAHEX#6-325MMBLACK

01MN135M2CAPL4NI

SP

01AG102IntelCorei5-74003.0G4C

01AG106IntelCorei3-71003.9GHZ/2C/3M/2400/

01AG096IntelCorei7-77003.6G4C

SSD

00UP455FRU16GBM.2OptaneMemory

SSD_ASM

00UP468128G,M.2,2280,PCIe3x4,INTEL,STD

00UP436256G,M.2,2280,PCIe3x4,SAM,OPAL

00UP448128G,M.2,2280,PCIe3x4,SAMSG,STD

00UP641256G,M.2,2280,PCIe3x4,TOS,OPAL

VIDEO_CARD

01AJ856MSI@GTX1050Ti@4G/D5/H/DP/DVI

01AJ857GTX1060@3G/D5/H/DP/DVIPCP

01AJ844MSI@GTX1060@6G/D5/H/3-DP/DVI

01AJ874BLD@RX560@4G/D5/H/DP/DVI/HP

WIRELESS

01AX709Wireless,CMB,LTN,NFA435A

48LenovoLegionY520TowerHardwareMaintenanceManual

Chapter10.Generalinformation

Thischapterprovidesgeneralinformationthatappliestoallmachinetypessupportedbythispublication.

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.

©CopyrightLenovo201749