Lenovo B50-35 Owner's manual

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

–Switchoffpower.
–Sendanotherperontogetmedicalaid.
Safetyinspectionguide
Theintentofthiinpectionguideitoaityouinidentifyingpotentialhazardpoedbytheeproduct.
Eachcomputer,aitwadeignedandbuilt,hadrequiredafetyitemintalledtoprotectuerand
erviceperonnelfrominjury.Thiguideaddreeonlythoeitem.However,goodjudgmenthouldbe
uedtoidentifypotentialafetyhazardduetoattachmentoffeatureoroptionnotcoveredbythi
inpectionguide.
Ifanyhazardarepreent,youmutdeterminehowerioutheapparenthazardcouldbeandwhetheryou
cancontinuewithoutfirtreolvingtheproblem.
Coniderthefollowingitemandtheafetyhazardtheypreent:
•Electricalhazard,epeciallyprimarypower(primaryvoltageontheframecancaueeriouorfatal
electricalhock).
•Exploivehazard,uchaadamagedCRTfaceorbulgingcapacitor
•Mechanicalhazard,uchalooeormiinghardware
Theguideconitofaerieofteppreentedaachecklit.Beginthecheckwiththepoweroff,and
thepowercorddiconnected.
Checklit:
1.Checkexteriorcoverfordamage(looe,broken,orharpedge).
2.Power-offthecomputer.Diconnectthepowercord.
3.Checkthepowercordfor:
a.Athird-wiregroundconnectoringoodcondition.Ueametertomeaurethird-wireground
continuityfor0.1ohmorlebetweentheexternalgroundpinandframeground.
b.Thepowercordhouldbetheappropriatetypeapecifiedinthepartliting.
c.Inulationmutnotbefrayedorworn.
4.Removethecover.
5.Checkforanyobvioualteration.Uegoodjudgmentatotheafetyofanyalteration.
6.Checkinidetheunitforanyobviouhazard,uchametalfiling,contamination,waterorother
liquid,orignoffireormokedamage.
7.Checkforworn,frayed,orpinchedcable.
8.Checkthatthepower-upplycoverfatener(creworrivet)havenotbeenremovedortamperedwith.
Handingeectrostaticdischarge-sensitivedevices
Anycomputerpartcontainingtranitororintegratedcircuit(IC)houldbeconideredenitiveto
electrotaticdicharge(ESD).ESDdamagecanoccurwhenthereiadifferenceinchargebetweenobject.
ProtectagaintESDdamagebyequalizingthechargeothatthecomputer,thepart,theworkmat,andthe
peronhandlingthepartareallattheamecharge.
Notes:
1.Ueproduct-pecificESDprocedurewhentheyexceedtherequirementnotedhere.
2.MakeurethattheESDprotectivedeviceyouuehavebeencertified(ISO9000)afullyeffective.
WhenhandlingESD-enitivepart:
Chapter2.Safetyinformation5

•Keepthepartinprotectivepackageuntiltheyareinertedintotheproduct.
•Avoidcontactwithotherpeoplewhilehandlingthepart.
•Wearagroundedwrittrapagaintyourkintoeliminatetaticonyourbody.
•Preventthepartfromtouchingyourclothing.Motclothingiinulativeandretainachargeeven
whenyouarewearingawrittrap.
•Uetheblackideofagroundedworkmattoprovideatatic-freeworkurface.Thematiepecially
uefulwhenhandlingESD-enitivedevice.
•Selectagroundingytem,uchathoelitedbelow,toprovideprotectionthatmeetthepecific
ervicerequirement.
Note:TheueofagroundingytemideirablebutnotrequiredtoprotectagaintESDdamage.
–AttachtheESDgroundcliptoanyframeground,groundbraid,orgreen-wireground.
–UeanESDcommongroundorreferencepointwhenworkingonadouble-inulatedor
battery-operatedytem.Youcanuecoaxorconnector-outidehellontheeytem.
–Uetheroundground-prongoftheACplugonAC-operatedcomputer.
Groundingrequirements
Electricalgroundingofthecomputerirequiredforoperatorafetyandcorrectytemfunction.Proper
groundingoftheelectricaloutletcanbeverifiedbyacertifiedelectrician.
Safetynotices
TheCAUTIONandDANGERafetynoticeinthiectionareprovidedinthelanguageofEnglih.
DANGER
Electricalcurrentfrompower,telephoneandcommunicationcableihazardou.
Toavoidashockhazard:
•Donotconnectordisconnectanycabesorperforminstaation,maintenance,orreconfiguration
ofthisproductduringaneectricastorm.
•Connectapowercordstoaproperywiredandgroundedeectricaoutet.
•Connectanyequipmentthatwibeattachedtothisproducttoaproperywiredoutet.
•Whenpossibe,useonehandonytoconnectordisconnectsignacabes.
•Neverturnonanyequipmentwhenthereisevidenceoffire,water,orstructuradamage.
•Disconnecttheattachedpowercords,teecommunicationscabes,networkcabes,andmodem
cabesbeforeyouopenthedevicecovers,unessinstructedotherwiseintheinstaationand
configurationprocedures.
•Connectanddisconnectcabesasdescribedinthefoowingtabewheninstaing,moving,or
openingcoversonthisproductorattacheddevices.
6LenovoB50–35All-In-OneComputerHardwareMaintenanceManual

ToConnectToDisconnect
1.TurneverythingOFF .
2.Firt,attachallcabletodevice.
3.Attachignalcabletoconnector.
4.Attachpowercordtooutlet.
5.TurndeviceON.
1.TurneverythingOFF .
2.Firt,removepowercordfromoutlet.
3.Removeignalcablefromconnector.
4.Removeallcablefromdevice.
CAUTION:
Whenrepacingtheithiumbattery,useonyPartNumber45C1566oranequivaenttypebattery
recommendedbythemanufacturer.Ifyoursystemhasamoduecontainingaithiumbattery,repace
itonywiththesamemoduetypemadebythesamemanufacturer.Thebatterycontainsithiumand
canexpodeifnotproperyused,handed,ordisposedof.
Donot:
•Throwintoorimmerseinwater
•Heattomorethan100°C(212°F)
•Repairordisassembe
Disposeofthebatteryasrequiredbyocaordinancesorreguations.
CAUTION:
Whenaserproducts(suchasCD-ROMs,DVD-ROMdrives,fiberopticdevices,ortransmitters)are
instaed,notethefoowing:
•Donotremovethecovers.Removingthecoversoftheaserproductcoudresutinexposureto
hazardousaserradiation.Therearenoserviceabepartsinsidethedevice.
•Useofcontrosoradjustmentsorperformanceofproceduresotherthanthosespecifiedherein
mightresutinhazardousradiationexposure.
DANGER
SomeaserproductscontainanembeddedCass3AorCass3Baserdiode.Notethefoowing:
Thesediodesemitradiationwhenopen.Donotstareintothebeam,donotviewdirectywith
opticainstruments,andavoiddirectexposuretothebeam.
Chapter2.Safetyinformation7

≥18kg(37bs)≥32kg(70.5bs)≥55kg(121.2bs)
CAUTION:
Usesafepracticeswhenifting.
CAUTION:
Thepowercontrobuttononthedeviceandthepowerswitchonthepowersuppydonotturnoff
theeectricacurrentsuppiedtothedevice.Thedeviceasomighthavemorethanonepower
cord.Toremoveaeectricacurrentfromthedevice,ensurethatapowercordsaredisconnected
fromthepowersource.
1
2
CAUTION:
Donotpaceanyobjectweighingmorethan82kg(180bs.)ontopofrack-mounteddevices.
8LenovoB50–35All-In-OneComputerHardwareMaintenanceManual

Chapter3.Generainformation
Thichapterprovidegeneralinformationthatapplietoallcomputermodelcoveredbythimanual.
Specifications
Thiectionlitthephyicalpecificationforyourcomputer.
Thissectioniststhephysicaspecificationsforyourcomputer.
TypeLenovoB50–35
Thiectionlitthephyicalpecification.
Environment
Airtemperature:
Operating:10°to35°C
Tranit:-20°to55°C
Humidity:
Operating:35%to80%
Tranit:20%to90%(40°C)
Altitude:86KPato106KPa
Electricalinput:
Inputvoltage:90V-264V(AC)
Inputfrequency:47Hz-63Hz
©CopyrightLenovo20149

10LenovoB50–35All-In-OneComputerHardwareMaintenanceManual

Chapter4.GeneraCheckout
Attention:Thedriveinthecomputeryouareervicingmighthavebeenrearrangedorthedrivetartup
equencemayhavebeenchanged.Beextremelycarefulduringwriteoperationuchacopying,aving,or
formatting.Dataorprogramcanbeoverwrittenifyouelectanincorrectdrive.
Generalerrormeageappearifaproblemorconflictifoundbyanapplication,theoperatingytem,or
both.Foranexplanationoftheemeage,refertotheinformationuppliedwiththatoftwarepackage.
Uethefollowingproceduretohelpdeterminethecaueoftheproblem:
1.Power-offthecomputerandallexternaldevice.
2.Checkallcableandpowercord.
3.Setalldiplaycontroltothemiddlepoition.
4.Power-onallexternaldevice.
5.Power-onthecomputer.
•Lookfordiplayederrorcode.
•Lookforreadableintructionoramainmenuonthediplay.
Ifyoudidnotreceivethecorrectrepone,proceedtotep6.
Ifyoudidreceivethecorrectrepone,proceedtotep7.
6.Ifoneofthefollowinghappen,followtheintructiongiven:
•IfthecomputerdiplayaPOSTerror,goto“POSTerrorcode” .
•Ifthecomputerhangandnoerroridiplayed,continueattep7.
7.Ifthetettopandyoucannotcontinue,replacethelatdeviceteted.
©CopyrightLenovo201411

12LenovoB50–35All-In-OneComputerHardwareMaintenanceManual

Chapter5.UsingtheSetupUtiity
TheSetupUtilityprogramiuedtoviewandchangetheconfigurationettingofyourcomputer,regardle
ofwhichoperatingytemyouareuing.However,theoperatingytemettingmightoverrideanyimilar
ettingintheSetupUtilityprogram.
StartingtheLenovoBIOSSetupUtiityprogram
TotarttheLenovoBIOSSetupUtilityprogram,dothefollowing:
1.Ifyourcomputerialreadyonwhenyoutartthiprocedure,hutdowntheoperatingytemand
turnoffthecomputer.
2.PreandholdtheF1keythenturnonthecomputer.WhentheLenovoBIOSSetupUtilityprogrami
diplayed,releaetheF1key.
Note:IfaPower-OnPawordoranAdminitratorPawordhabeenet,theSetupUtilityprogrammenu
willnotbediplayeduntilyoutypeyourpaword.Formoreinformation,ee“Uingpaword.”
Viewingandchangingsettings
SytemconfigurationoptionarelitedintheLenovoBIOSSetupUtilityprogrammenu.Tovieworchange
etting,ee“StartingtheSetupUtilityprogram.”
YoumutuethekeyboardwhenuingtheLenovoBIOSSetupUtilitymenu.Thekeyuedtoperform
varioutakarediplayedonthebottomofeachcreen.
Usingpasswords
YoucanuetheLenovoBIOSSetupUtilityprogramtoetpawordtopreventunauthorizedperon
fromgainingaccetoyourcomputeranddata.See“StartingtheSetupUtilityprogram.”Thefollowing
typeofpawordareavailable:
•AdminitratorPaword
•Power-OnPaword
Youdonothavetoetanypawordtoueyourcomputer.However,ifyoudecidetoetpaword,read
thefollowingection.
Passwordconsiderations
Apawordcanbeanycombinationofletterandnumberupto16character(a-zand0-9).Forecurity
reaon,itiagoodideatoueatrongpawordthatcannotbeeailycompromied.Weuggetthat
pawordhouldfollowtheerule:
•Foratrongpaword,ue7-16characterandamixofletterandnumber.
•Donotueyournameoryouruername.
•Donotueacommonwordoracommonname.
•Ueomethingignificantlydifferentfromyourprevioupaword.
Attention:AdminitratorandPower-Onpawordarenotcaeenitive.
©CopyrightLenovo201413

AdministratorPassword
SettinganAdminitratorPaworddeterunauthorizedperonfromchangingconfigurationetting.You
mightwanttoetanAdminitratorPawordifyouarereponibleformaintainingtheettingofeveral
computer.
AfteryouetanAdminitratorPaword,apawordpromptidiplayedeverytimeyouaccetheLenovo
BIOSSetupUtilityprogram.
IfboththeAdminitratorandPower-OnPawordareet,youcantypeeitherpaword.However,youmut
ueyourAdminitratorPawordtochangeanyconfigurationetting.
Setting,changing,ordeetinganAdministratorpassword
ToetanAdminitratorPaword,dothefollowing:
Note:Apawordcanbeanycombinationofletterandnumberupto16character(a-zand0-9).For
moreinformation,ee“Pawordconideration”onpage13.
1.StarttheLenovoBIOSSetupUtilityprogram(ee“StartingtheLenovoBIOSSetupUtilityprogram”on
page13).
2.FromtheSecuritymenu,electSetAdministratorPasswordandpretheEnterkey.
3.Thepaworddialogboxwillbediplayed.TypethepawordthenpretheEnterkey.
4.Re-typethepawordtoconfirm,thenpretheEnterkey.Ifyoutypedthepawordcorrectly,
thepawordwillbeintalled.
TochangeanAdminitratorPaword,dothefollowing:
1.StarttheLenovoBIOSSetupUtilityprogram(ee“StartingtheLenovoBIOSSetupUtilityprogram”on
page13).
2.FromtheSecuritymenu,electSetAdministratorPasswordandpretheEnterkey.
3.Thepaworddialogboxwillbediplayed.TypethecurrentpawordthenpretheEnterkey.
4.Typethenewpaword,thenpretheEnterkey.Re-typethepawordtoconfirmthenewpaword.
Ifyoutypedthenewpawordcorrectly,thenewpawordwillbeintalled.ASetupNoticedconfirming
thatchangehavebeenavedwillbediplayed.
TodeleteaprevioulyetAdminitratorPaword,dothefollowing:
1.FromtheSecuritymenu,electSetAdministratorPasswordandpretheEnterkey.
2.Thepaworddialogboxwillbediplayed.TypethecurrentpawordandpretheEnterkey.
3.TodeleteanAdministratorPassword,leaveeachnewpawordlineitemblank,thenpretheEnter
key.ASetupNoticeconfirmingthatchangehavebeenavedwillbediplayed.
4.ReturntotheLenovoBIOSSetupUtilityprogrammenuandelecttheExitoption.
5.SelectSavechangesandExitfromthemenu.
Power-OnPassword
WhenaPower-OnPawordiet,youcannottarttheLenovoBIOSSetupUtilityprogramuntilavalid
paworditypedfromthekeyboard.
Setting,changing,ordeetingaPower-OnPassword
Note:Apawordcanbeanycombinationofletterandnumberupto16character(a-zand0-9).
14LenovoB50–35All-In-OneComputerHardwareMaintenanceManual