Lenovo B50-35 Manuel du propriétaire

LenovoB50–35All-In-OneComputer

HardwareMaintenanceManual

MachineType:F0AV[B50-35]

LenovoB50–35All-In-OneComputer

HardwareMaintenanceManual

MachineType:F0AV[B50-35]

ThirdEdition(September2014)12th

©CopyrightLenovo2014.

LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataoroftwarearedeliveredpuruantaGeneralService

Adminitration“GSA”contract,ue,reproduction,ordicloureiubjecttoretrictionetforthinContractNo.

GS-35F-05925

Contents

Chapter1.Aboutthismanua.....1

ImportantSafetyInformation.........1

Chapter2.Safetyinformation.....3

Generalafety...............3

Electricalafety..............3

Safetyinpectionguide...........5

Handlingelectrotaticdicharge-enitive

device.................5

Groundingrequirement...........6

Safetynotice...............6

Chapter3.Generainformation....9

Speciﬁcation...............9

Chapter4.GeneraCheckout.....11

Chapter5.UsingtheSetupUtiity...13

StartingtheLenovoBIOSSetupUtilityprogram.13

Viewingandchangingetting........13

Uingpaword..............13

Enablingordiablingadevice........15

Selectingatartupdevice..........16

ExitingtheLenovoBIOSSetupUtilityprogram..17

Chapter6.Symptom-to-FRUIndex..19

Harddikdrivebooterror..........19

PowerSupplyProblem...........19

POSTerrorcode.............20

Undeterminedproblem...........20

Chapter7.Repacinghardware....21

Generalinformation.............21

Replacingthekeyboardandmoue......22

Replacingthepowercord..........22

Removingthetandbae..........23

Removingthefootcover...........24

Replacingthememorymodule........25

Replacingtheharddikdrive.........26

Replacingtheopticaldrive..........27

Removingthetandholder..........29

Removingthemiddlecover.........30

Replacingtheconverterboard........31

RemovingtheEMIcover...........32

ReplacingtheWi-Ficard...........33

ReplacingtheTVtunercard.........34

Replacingtheheat-ink...........35

ReplacingtheCPU.............36

Replacingtheytemfan..........39

Replacingthepeakerytem........40

Replacingthepowerwitchboard.......41

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

Removingthereardeco...........43

Replacingthecamera............44

ReplacingtheLEDpanelmodule.......45

Chapter8.FRUists..........49

Chapter9.Generainformation....59

AdditionalServiceInformation........59

©CopyrightLenovo2014iii

ivLenovoB50–35All-In-OneComputerHardwareMaintenanceManual

Chapter1.Aboutthismanua

ThimanualcontainerviceandreferenceinformationforLenovoB50–35All-In-Onecomputerlitedon

thecover.ItiintendedonlyfortrainedervicerwhoarefamiliarwithLenovocomputerproduct.

BeforeervicingaLenovoproduct,beuretoreadtheSafetyInformation.

ThedecriptionoftheTV-tunercardinthimanualapplieonlytocomputerwithaTV-tunercardintalled.

ItdoenotapplytocomputerwithoutaTV-tunercard.

ImportantSafetyInformation

BeuretoreadallCAUTIONandDANGERectioninthimanualbeforefollowinganyoftheintruction.

VeuillezliretouteleconignedetypeDANGERetATTENTIONdupréentdocumentavantd’exécuter

leintruction.

LeenSieunbedingtalleHinweievomTyp“ACHTUNG”oder“VORSICHT”indieerDokumentation,bevor

SieirgendwelcheVorgängedurchführen

LeggereleitruzioniintrodottedaATTENZIONEePERICOLOpreentinelmanualeprimadieeguireuna

qualiaidelleitruzioni

Certiﬁque-edelertodaaintruçõedecuidadoeperigonetemanualantedeexecutarqualquer

umadaintruçõe

Eimportantequeleatodaladeclaracionedeprecauciónydepeligrodeetemanualantedeeguir

laintruccione.

©CopyrightLenovo20141

2LenovoB50–35All-In-OneComputerHardwareMaintenanceManual

Chapter2.Safetyinformation

Thichaptercontaintheafetyinformationthatyouneedtobefamiliarwithbeforeervicingacomputer.

Generasafety

Followtheeruletoenuregeneralafety:

•Keeptheareaaroundthecomputerclearandcleanduringandaftermaintenance.

•Whenliftinganyheavyobject:

1.Enureyoucantandafelywithoutlipping.

2.Ditributetheweightoftheobjectequallyacrobothfeet.

3.Liftlowly.Nevermoveuddenlyortwitwhenyouattempttolift.

4.Liftbytandingorbypuhingupwithyourlegmucle;thiactionremovethetrainfromthe

mucleinyourback.

Donotattempttoliftanyobjectsthatweighmorethan16kg(35lb)orobjectsthatyouthinkare

tooheavyforyou.

•Donotperformanyactionthatwouldcreateahazardforthecutomer,orwouldmakethecomputer

unafe.

•Beforeyoutartthecomputer,enurethatotherervicerepreentativeandcutomerperonnelarenot

inapoitionthatwouldcreateahazardforthem.

•Placeremovedcoverandotherpartinaafeplace,awayfromallperonnel,whileyouareervicingthe

computer.

•Keepyourtoolcaeawayfromareathatpeoplemaywalkthroughtoenureno-onetripoverit.

•Donotwearlooeclothingthatcanbetrappedinthemovingpartofamachine.Enurethatyourleeve

arefatenedorrolledupaboveyourelbow.Ifyourhairilong,tieorfatenitback.

•Inerttheendofyournecktieorcarfinideclothingorfatenitwithanon-conductiveclip,

approximately8centimeter(3inche)fromtheend.

•Donotwearjewelry,chain,metal-frameeyeglae,ormetalfatenerforyourclothing.

Remember:Metalobjectaregoodelectricalconductor.

•Wearafetyglaewhenyouare:hammering,drillingoldering,cuttingwire,attachingpring,uing

olvent,orworkinginanyotherconditionthatmightbehazardoutoyoureye.

•Afterervice,reintallallafetyhield,guard,label,andgroundwire.Replaceanyafetydevice

thatiwornordefective.

•Reattachallcovercorrectlybeforereturningthecomputertothecutomer.

Eectricasafety

CAUTION:

Eectricacurrentfrompower,teephone,andcommunicationcabescanbehazardous.T oavoid

personainjuryorequipmentdamage,disconnectanyattachedpowercords,teecommunication

cabes,networkcabes,andmodemcabesbeforeyouopenthecomputercovers,unessinstructed

otherwiseintheinstaationandconﬁgurationprocedures.

©CopyrightLenovo20143

Obervethefollowingrulewhenworkingonelectricalequipment.

Important:Ueonlyapprovedtoolandtetequipment.Somehandtoolhavehandlecoveredwithaoft

materialthatdoenotinulateyouwhenworkingwithliveelectricalcurrent.Manycutomerhaverubber

ﬂoormatneartheirequipmentthatcontainmallconductiveﬁbertodecreaeelectrotaticdicharge.

•Findtheroomemergencypower-off(EPO)witch,diconnectingwitch,orelectricaloutlet.Ifanelectrical

accidentoccur,youcanthenoperatethewitchorunplugthepowercordquickly.

•Donotworkaloneunderhazardouconditionornearequipmentthathahazardouvoltage.

•Diconnectallpowerbefore:

–Performingamechanicalinpection

–Workingnearpowerupplie

–RemovingorintallingFieldReplaceableUnit(FRU)

•Beforeyoutarttoworkonthecomputer,unplugthepowercord.Ifyoucannotunplugit,akthe

cutomertopower-offtheelectricaloutletthatuppliepowertothemachineandtolocktheelectrical

outletintheoffpoition.

•Ifyouneedtoworkonacomputerthathaexpoedelectricalcircuit,obervethefollowingprecaution:

–Enurethatanotherperon,familiarwiththepower-offcontrol,inearyou.

Remember:Anotherperonmutbetheretowitchoffthepower,ifneceary.

–Ueonlyonehandwhenworkingwithpowered-onelectricalequipment;keeptheotherhandinyour

pocketorbehindyourback.

Remember:Theremutbeacompletecircuittocaueelectricalhock.Byobervingtheaboverule,

youmaypreventacurrentfrompaingthroughyourbody.

–Whenuingateter,etthecontrolcorrectlyanduetheapprovedprobeleadandacceoriefor

thatteter.

–Standonuitablerubbermat(obtainedlocally,ifneceary)toinulateyoufromgrounducha

metalﬂoortripandmachineframe.

Obervethepecialafetyprecautionwhenyouworkwithveryhighvoltage;theeintructionarein

theafetyectionofthemaintenanceinformation.Ueextremecarewhenmeauringhighvoltage.

•Regularlyinpectandmaintainyourelectricalhandtooltoenuretheyareafetoue.

•Donotuewornorbrokentoolandteter.

•Neverassumethatpowerhabeendiconnectedfromacircuit.Firt,checkthatithabeenpoweredoff.

•Alwaylookcarefullyforpoiblehazardinyourworkarea.Exampleoftheehazardarewetﬂoor,

non-groundedpowerextenioncable,conditionthatmaycaueorallowpowerurge,andmiing

afetyground.

•Donottouchliveelectricalcircuitwiththereﬂectiveurfaceofaplaticdentalmirror.Thiurfacei

conductive,andtouchingalivecircuitcancaueperonalinjuryanddamagetothecomputer.

•Donotervicethefollowingpartwiththepoweronwhentheyareremovedfromtheirnormaloperating

poitioninacomputer:

–Powerupplyunit

–Pump

–Blowerandfan

–Motorgenerator

andimilarunit.(Thipracticeenurecorrectgroundingoftheunit.)

•Ifanelectricalaccidentoccur:

–Uecaution;donotbecomeavictimyourelf.

4LenovoB50–35All-In-OneComputerHardwareMaintenanceManual

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