Lenovo ThinkPad L412 Owner's manual

HardwareMaintenanceManual
ThinkPadL412andL512

Note
Beforeusingthisinformationandtheproductitsupports,besuretoreadthegeneralinformationunder
AppendixA“Notices”onpage157.
ThirdEdition(September2011)
©CopyrightLenovo2011.
LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwareisdeliveredpursuantaGeneralServicesAdministration
“GSA”contract,use,reproduction,ordisclosureissubjecttorestrictionssetforthinContractNo.GS-35F-05925.

Contents
Aboutthismanual...........iii
Chapter1.Safetyinformation......1
Generalsafety................1
Electricalsafety...............2
Safetyinspectionguide............3
Handlingdevicesthataresensitivetoelectrostatic
discharge..................3
Groundingrequirements............4
Safetynotices(multilingualtranslations)......4
Lasercompliancestatement(multilingual
translations)................17
Chapter2.Importantservice
information..............23
StrategyforreplacingFRUs.........23
Strategyforreplacingaharddiskdrive...24
Importantnoticeforreplacingasystem
board................24
Howtouseerrormessage........24
StrategyforreplacingFRUsforCTO,CMV,and
GAV...................24
Productdenition............24
FRUidenticationforCTO,CMV,andGAV
products...............25
Chapter3.Generalcheckout.....27
Whattodorst..............27
Checkoutguide..............28
DiagnosticsusingPC-DoctorforDOS....28
LenovoThinkVantageToolbox.......31
PC-DoctorforRescueandRecovery....31
FRUtests...............31
Powersystemcheckout...........32
Checkingtheacadapter.........33
Checkingoperationalcharging......33
Checkingthebatterypack........33
Checkingthebackupbattery.......34
Chapter4.Relatedservice
information..............35
RestoringthefactorycontentsbyusingRecovery
DiscSet.................35
Passwords................36
Power-onpassword...........36
Hard-diskpassword...........36
Supervisorpassword..........37
Howtoremovethepower-onpassword...37
Howtoremovethehard-diskpassword...37
Powermanagement............38
Screenblankmode...........38
Sleep(standby)mode..........38
Hibernationmode...........39
Symptom-to-FRUindex...........39
Numericerrorcodes..........40
Errormessages............42
No-beepsymptoms...........42
LCD-relatedsymptoms.........43
Intermittentproblems..........43
Undeterminedproblems.........43
Chapter5.Statusindicators.....45
Chapter6.Fnkeycombinations...47
Chapter7.FRUreplacement
notices................51
Screwnotices...............51
Retainingserialnumbers...........52
Restoringtheserialnumberofthesystem
unit.................52
RetainingtheUUID...........53
ReadingorwritingtheECAinformation...53
Chapter8.Removingandreplacinga
FRU..................55
1010Batterypack.............55
1020ExpressCardblankbezelandMediaCard
blankbezel................57
1030Opticaldriveortravelcover.......58
1040Thermalcover.............59
1050Harddiskdrive(HDD)assembly.....60
1060DIMM................61
1070Fanassembly.............62
1080CPU................65
1090SIMslotcover............66
1100WirelessWANslotcoverandPCIExpress
MiniCardforwirelessWAN..........68
1110Palmrestassemblywithcables......70
1120PCIExpressMiniCardforwirelessLAN..72
1130Backupbattery............74
1140Bluetoothdaughtercard(BDC-2).....74
1150MediaCardReaderslotboardandMedia
CardReadercableassembly.........75
1160Keyboard..............77
1170Keyboardbezel............79
©CopyrightLenovo2011i

1180LCDunit...............81
1190Topshieldingassembly.........85
1200Systemboardassembly.........87
1210USBconnectorboardandUSBcable
assembly.................92
1220DC-incableandbasecover.......94
2010LCDfrontbezel............98
2020Speakerassembly...........99
2030Integratedcamera...........100
2040Antennaassembly...........100
2050Hinges,LCDpanel,LCDcable,andLCDrear
coverassembly..............102
Chapter9.Locations........107
Frontview................108
Rearview.................109
Bottomview...............109
Chapter10.Partslist........111
Overall..................112
LCDFRUs................133
Keyboard.................139
Miscellaneousparts............140
acpoweradapters.............141
Powercords...............142
Recoverydiscs..............143
WindowsXPProfessional(32bit)DVDs...143
WindowsVistaHomeBasic(32bit)DVDs..144
WindowsVistaHomePremium(32bit)
DVDs................145
WindowsVistaHomePremium(64bit)
DVDs................145
WindowsVistaBusiness(32bit)DVDs...146
Windows7HomeBasic(32bit)DVDs....146
Windows7HomePremium(32bit)DVDs..147
Windows7HomePremium(64bit)DVDs..149
Windows7Professional(32bit)DVDs....150
Windows7Professional(64bit)DVDs....152
Windows7Ultimate(32bit)DVDs.....154
Windows7Ultimate(64bit)DVDs.....154
Commonservicetools...........155
AppendixA.Notices.........157
Trademarks................158
iiHardwareMaintenanceManual

Aboutthismanual
ThismanualcontainsserviceandreferenceinformationforthefollowingThinkPad®Notebookproducts.
ThinkPadL412MT0530,0553,0585,and0591
ThinkPadL512MT2550,2597,2598,and2599
Usethismanualalongwiththeadvanceddiagnosticteststotroubleshootproblems.
Important:
ThismanualisintendedonlyfortrainedservicetechnicianswhoarefamiliarwithThinkPadNotebook
products.Usethismanualalongwiththeadvanceddiagnosticteststotroubleshootproblemseffectively.
BeforeservicingaThinkPadNotebookproduct,besuretoreadalltheinformationunderChapter1“Safety
information”onpage1andChapter2“Importantserviceinformation”onpage23.
©CopyrightLenovo2011iii

ivHardwareMaintenanceManual

Chapter1.Safetyinformation
Thischapterpresentsfollowingsafetyinformationthatyouneedtobefamiliarwithbeforeyouservice
aThinkPadNotebook.
•“Generalsafety”onpage1
•“Electricalsafety”onpage2
•“Safetyinspectionguide”onpage3
•“Handlingdevicesthataresensitivetoelectrostaticdischarge”onpage3
•“Groundingrequirements”onpage4
•“Safetynotices(multilingualtranslations)”onpage4
•“Lasercompliancestatement(multilingualtranslations)”onpage17
Generalsafety
Followtheserulestoensuregeneralsafety:
•Observegoodhousekeepingintheareaofthemachinesduringandaftermaintenance.
•Whenliftinganyheavyobject:
1.Makesurethatyoucanstandsafelywithoutslipping.
2.Distributetheweightoftheobjectequallybetweenyourfeet.
3.Useaslowliftingforce.Nevermovesuddenlyortwistwhenyouattempttolift.
4.Liftbystandingorbypushingupwithyourlegmuscles;thisactionremovesthestrainfromthe
musclesinyourback.Donotattempttoliftanyobjectthatweighsmorethan16kg(35lb)orthat
youthinkistooheavyforyou.
•Donotperformanyactionthatcauseshazardstothecustomer,orthatmakestheequipmentunsafe.
•Beforeyoustartthemachine,makesurethatotherservicetechniciansandthecustomer'spersonnelare
notinahazardousposition.
•Placeremovedcoversandotherpartsinasafeplace,awayfromallpersonnel,whileyouareservicing
themachine.
•Keepyourtoolcaseawayfromwalkareassothatotherpeoplewillnottripoverit.
•Donotwearlooseclothingthatcanbetrappedinthemovingpartsofamachine.Makesurethatyour
sleevesarefastenedorrolledupaboveyourelbows.Ifyourhairislong,fastenit.
•Inserttheendsofyournecktieorscarfinsideclothingorfastenitwithanonconductiveclip,about8
centimeters(3inches)fromtheend.
•Donotwearjewelry,chains,metal-frameeyeglasses,ormetalfastenersforyourclothing.
Attention:Metalobjectsaregoodelectricalconductors.
•Wearsafetyglasseswhenyouarehammering,drilling,soldering,cuttingwire,attachingsprings,using
solvents,orworkinginanyotherconditionsthatmightbehazardoustoyoureyes.
•Afterservice,reinstallallsafetyshields,guards,labels,andgroundwires.Replaceanysafetydevice
thatiswornordefective.
•Reinstallallcoverscorrectlybeforereturningthemachinetothecustomer.
•Fanlouversonthemachinehelptopreventoverheatingofinternalcomponents.Donotobstructfan
louversorcoverthemwithlabelsorstickers.
©CopyrightLenovo20111

Electricalsafety
Observethefollowingruleswhenworkingonelectricalequipment.
Important:
Useonlyapprovedtoolsandtestequipment.Somehandtoolshavehandlescoveredwithasoftmaterial
thatdoesnotinsulateyouwhenworkingwithliveelectricalcurrents.
Manycustomershave,neartheirequipment,rubberoormatsthatcontainsmallconductivebersto
decreaseelectrostaticdischarges.Donotusethistypeofmattoprotectyourselffromelectricalshock.
•Findtheroomemergencypower-off(EPO)switch,disconnectingswitch,orelectricaloutlet.Ifanelectrical
accidentoccurs,youcanthenoperatetheswitchorunplugthepowercordquickly.
•Donotworkaloneunderhazardousconditionsornearequipmentthathashazardousvoltages.
•Disconnectallpowerbefore:
–Performingamechanicalinspection
–Workingnearpowersupplies
–Removingorinstallingmainunits
•Beforeyoustarttoworkonthemachine,unplugthepowercord.Ifyoucannotunplugit,askthecustomer
topower-offthewallboxthatsuppliespowertothemachine,andtolockthewallboxintheoffposition.
•Ifyouneedtoworkonamachinethathasexposedelectricalcircuits,observethefollowingprecautions:
–Ensurethatanotherperson,familiarwiththepower-offcontrols,isnearyou.
Attention:Anotherpersonmustbetheretoswitchoffthepower,ifnecessary.
–Useonlyonehandwhenworkingwithpowered-onelectricalequipment;keeptheotherhandinyour
pocketorbehindyourback.
Attention:Anelectricalshockcanoccuronlywhenthereisacompletecircuit.Byobservingtheabove
rule,youmaypreventacurrentfrompassingthroughyourbody.
–Whenusingtesters,setthecontrolscorrectlyandusetheapprovedprobeleadsandaccessoriesfor
thattester.
–Standonsuitablerubbermats(obtainedlocally,ifnecessary)toinsulateyoufromgroundssuchas
metaloorstripsandmachineframes.
Observethespecialsafetyprecautionswhenyouworkwithveryhighvoltages;Instructionsforthese
precautionsareinthesafetysectionsofmaintenanceinformation.Useextremecarewhenmeasuring
highvoltages.
•Regularlyinspectandmaintainyourelectricalhandtoolsforsafeoperationalcondition.
•Donotusewornorbrokentoolsandtesters.
•Neverassumethatpowerhasbeendisconnectedfromacircuit.First,checkthatithasbeenpoweredoff.
•Alwayslookcarefullyforpossiblehazardsinyourworkarea.Examplesofthesehazardsaremoistoors,
nongroundedpowerextensioncables,powersurges,andmissingsafetygrounds.
•Donottouchliveelectricalcircuitswiththereectivesurfaceofaplasticdentalmirror.Thesurfaceis
conductive;suchtouchingcancausepersonalinjuryandmachinedamage.
•Donotservicethefollowingpartswiththepoweronwhentheyareremovedfromtheirnormaloperating
placesinamachine:
–Powersupplyunits
–Pumps
–Blowersandfans
–Motorgenerators
–Similarunitstolistedabove
2HardwareMaintenanceManual

Thispracticeensurescorrectgroundingoftheunits.
•Ifanelectricalaccidentoccurs:
–Usecaution;donotbecomeavictimyourself.
–Switchoffpower.
–Sendanotherpersontogetmedicalaid.
Safetyinspectionguide
Thepurposeofthisinspectionguideistoassistyouinidentifyingpotentiallyunsafeconditions.Aseach
machinewasdesignedandbuilt,requiredsafetyitemswereinstalledtoprotectusersandservicetechnicians
frominjury.Thisguideaddressesonlythoseitems.Youshouldusegoodjudgmenttoidentifypotential
safetyhazardsduetoattachmentofnon-ThinkPadfeaturesoroptionsnotcoveredbythisinspectionguide.
Ifanyunsafeconditionsarepresent,youmustdeterminehowserioustheapparenthazardcouldbeand
whetheryoucancontinuewithoutrstcorrectingtheproblem.
Considertheseconditionsandthesafetyhazardstheypresent:
•Electricalhazards,especiallyprimarypower(primaryvoltageontheframecancauseseriousorfatal
electricalshock)
•Explosivehazards,suchasadamagedCRTfaceorabulgingcapacitor
•Mechanicalhazards,suchaslooseormissinghardware
Todeterminewhetherthereareanypotentiallyunsafeconditions,usethefollowingchecklistatthebeginning
ofeveryservicetask.Beginthecheckswiththepoweroff,andthepowercorddisconnected.
Checklist:
1.Checkexteriorcoversfordamage(loose,broken,orsharpedges).
2.Poweroffthecomputer.Disconnectthepowercord.
3.Checkthepowercordfor:
a.Athird-wiregroundconnectoringoodcondition.Useametertomeasurethird-wireground
continuityfor0.1ohmorlessbetweentheexternalgroundpinandtheframeground.
b.Thepowercordshouldbethetypespeciedinthepartslist.
c.Insulationmustnotbefrayedorworn.
4.Checkforcrackedorbulgingbatteries.
5.Removethecover.
6.Checkforanyobviousnon-ThinkPadalterations.Usegoodjudgmentastothesafetyofany
non-ThinkPadalterations.
7.Checkinsidetheunitforanyobviousunsafeconditions,suchasmetallings,contamination,wateror
otherliquids,orsignsofreorsmokedamage.
8.Checkforworn,frayed,orpinchedcables.
9.Checkthatthepower-supplycoverfasteners(screwsorrivets)havenotbeenremovedortamperedwith.
Handlingdevicesthataresensitivetoelectrostaticdischarge
Anycomputerpartcontainingtransistorsorintegratedcircuits(ICs)shouldbeconsideredsensitiveto
electrostaticdischarge(ESD.)ESDdamagecanoccurwhenthereisadifferenceinchargebetweenobjects.
ProtectagainstESDdamagebyequalizingthechargesothatthemachine,thepart,theworkmat,andthe
personhandlingthepartareallatthesamecharge.
Chapter1.Safetyinformation3

Notes:
1.Useproduct-specicESDprocedureswhentheyexceedtherequirementsnotedhere.
2.MakesurethattheESDprotectivedevicesyouusehavebeencertied(ISO9000)asfullyeffective.
WhenhandlingESD-sensitiveparts:
•Keepthepartsinprotectivepackagesuntiltheyareinsertedintotheproduct.
•Avoidcontactwithotherpeople.
•Wearagroundedwriststrapagainstyourskintoeliminatestaticonyourbody.
•Preventthepartfromtouchingyourclothing.Mostclothingisinsulativeandretainsachargeevenwhen
youarewearingawriststrap.
•Useagroundedworkmattoprovideastatic-freeworksurface.Thematisespeciallyusefulwhen
handlingESD-sensitivedevices.
•Selectagroundingsystem,suchasthoselistedbelow,toprovideprotectionthatmeetsthespecic
servicerequirement.
Note:
TheuseofagroundingsystemtoguardagainstESDdamageisdesirablebutnotnecessary.
–AttachtheESDgroundcliptoanyframeground,groundbraid,orgreen-wireground.
–Whenworkingonadouble-insulatedorbattery-operatedsystem,useanESDcommongroundor
referencepoint.Y oucanusecoaxorconnector-outsideshellsonthesesystems.
–Usetheroundgroundprongoftheacplugonac-operatedcomputers.
Groundingrequirements
Electricalgroundingofthecomputerisrequiredforoperatorsafetyandcorrectsystemfunction.Proper
groundingoftheelectricaloutletcanbeveriedbyacertiedelectrician.
Safetynotices(multilingualtranslations)
Thesafetynoticesinthissectionareprovidedinthefollowinglanguages:
•English
•Arabic
•BrazilianPortuguese
•French
•German
•Hebrew
•Japanese
•Korean
•Spanish
•TraditionalChinese
DANGER
4HardwareMaintenanceManual

BeforethecomputerispoweredonafterFRUreplacement,makesureallscrews,springs,andothersmall
partsareinplaceandarenotleftlooseinsidethecomputer.Verifythisbyshakingthecomputerandlistening
forrattlingsounds.Metallicpartsormetalakescancauseelectricalshorts.
DANGER
Somestandbybatteriescontainasmallamountofnickelandcadmium.Donotdisassembleastandbybattery,
rechargeit,throwitintoreorwater,orshort-circuitit.Disposeofthebatteryasrequiredbylocalordinances
orregulations.Useonlythebatteryintheappropriatepartslisting.Useofanincorrectbatterycanresult
inignitionorexplosionofthebattery.
DANGER
Thebatterypackcontainssmallamountsofnickel.Donotdisassembleit,throwitintoreorwater,or
short-circuitit.Disposeofthebatterypackasrequiredbylocalordinancesorregulations.Useonlythe
batteryintheappropriatepartslistingwhenreplacingthebatterypack.Useofanincorrectbatterycanresult
inignitionorexplosionofthebattery.
DANGER
Thelithiumbatterycancauseare,anexplosion,orasevereburn.Donotrechargeit,removeitspolarized
connector,disassembleit,heatitabove100°C(212°F),incinerateit,orexposeitscellcontentstowater.
Disposeofthebatteryasrequiredbylocalordinancesorregulations.Useonlythebatteryintheappropriate
partslisting.Useofanincorrectbatterycanresultinignitionorexplosionofthebattery.
DANGER
IftheLCDbreaksandtheuidfrominsidetheLCDgetsintoyoureyesoronyourhands,immediatelywash
theaffectedareaswithwaterforatleast15minutes.Seekmedicalcareifanysymptomsfromtheuidare
presentafterwashing.
DANGER
Toavoidshock,donotremovetheplasticcoverthatprotectsthelowerpartoftheinvertercard.
DANGER
Chapter1.Safetyinformation5

Thoughthemainbatterieshavelowvoltage,ashortedorgroundedbatterycanproduceenoughcurrentto
burnpersonnelorcombustiblematerials.
DANGER
UnlesshotswapisallowedfortheFRUbeingreplaced,doasfollowsbeforeremovingit:poweroffthe
computer,unplugallpowercordsfromelectricaloutlets,removethebatterypack,anddisconnectany
interconnectingcables.
6HardwareMaintenanceManual

PERIGO
AntesdeligarocomputadorapósasubstituiçãodaFRU,certique-sedequetodososparafusos,molase
outraspeçaspequenasestejamnolugarenãoestejamsoltosdentrodocomputador.Veriqueissosacudindo
ocomputadoreprocurandoouvirsonsdepeçassoltas.Peçasmetálicasoulascasdemetalpodemcausar
curto-circuito.
PERIGO
Algumasbateriasreservacontêmumapequenaquantidadedeníquelecádmio.Nãodesmonteumabateria
reserva,recarregue-a,jogue-anofogoounaágua,oudeixe-aentraremcurto-circuito.Descarteabateria
conformerequeridopelasleisouregulamentoslocais.Usesomenteabaterianasparteslistadasapropriadas.
Ousodeumabateriaincorretapoderesultaremcombustãoouexplosãodabateria.
PERIGO
Chapter1.Safetyinformation7

Opacotedabateriacontémumapequenaquantidadedeníquel.Nãoodesmonte,jogue-onofogoouna
água,oudeixe-oentraremcurto-circuito.Descarteopacotedabateriaconformerequeridopelasleisou
regulamentoslocais.Usesomenteabaterianasparteslistadasapropriadasaosubstituiropacotedabateria.
Ousodeumabateriaincorretapoderesultaremcombustãoouexplosãodabateria.
PERIGO
Abateriadelítiopodecausarincêndio,explosãoougravesqueimaduras.Nãoarecarregue,removaseu
conectorpolarizado,desmonte-a,aqueça-aacimade100°C(212°F),incinere-a,ouexponhaoconteúdode
suacélulaàágua.Descarteabateriaconformerequeridopelasleisouregulamentoslocais.Usesomente
abaterianasparteslistadasapropriadas.Ousodeumabateriaincorretapoderesultaremcombustão
ouexplosãodabateria.
PERIGO
SeoLCDquebrareouidodedentrodeleentraremcontatocomseusolhosoucomsuasmãos,laveas
áreasafetadasimediatamentecomáguadurantepelomenos15minutos.Procurecuidadosmédicossealgum
sintomacausadopelouidosurgirapósalavagem.
PERIGO
Paraevitarchoqueelétrico,nãoremovaacapaplásticaqueprotegeaparteinferiordaplacainversora.
PERIGO
Emboraasprincipaisbateriaspossuambaixavoltagem,umabateriaemcurto-circuitoouaterradapode
produzircorrenteobastanteparaqueimarmateriaisdepessoalouinamáveis.
PERIGO
AmenosqueumahotswapsejapermitidaparaaFRUqueestásendosubstituída,façaoseguinteantesde
removê-la:desligueocomputador,desconectetodososcabosdeenergiadastomadas,removaopacotede
bateriasedesconectequaisquercabosdeinterconexão.
DANGER
8HardwareMaintenanceManual

Avantderemettrel'ordinateursoustensionaprèsremplacementd'uneunitéenclientèle,vériezquetousles
ressorts,visetautrespiècessontbienenplaceetbienxées.Pourcefaire,secouezl'unitéetassurez-vous
qu'aucunbruitsuspectneseproduit.Despiècesmétalliquesoudescopeauxdemétalpourraientcauser
uncourt-circuit.
DANGER
Certainesbatteriesdesecourscontiennentdunickeletducadmium.Nelesdémontezpas,nelesrechargez
pas,nelesexposezniaufeuniàl'eau.Nelesmettezpasencourt-circuit.Pourlesmettreaurebut,
conformez-vousàlaréglementationenvigueur.Lorsquevousremplacezlapiledesauvegardeoucellede
l'horlogetempsréel,veillezàn'utiliserquelesmodèlescitésdanslalistedepiècesdétachéesadéquate.Une
batterieouunepileinappropriéerisquedeprendrefeuoud'exploser.
DANGER
Labatteriecontientdunickel.Neladémontezpas,nel'exposezniaufeuniàl'eau.Nelamettezpasen
court-circuit.Pourlamettreaurebut,conformez-vousàlaréglementationenvigueur.Lorsquevousremplacez
labatterie,veillezàn'utiliserquelesmodèlescitésdanslalistedepiècesdétachéesadéquate.Eneffet,une
batterieinappropriéerisquedeprendrefeuoud'exploser.
DANGER
Lapiledesauvegardecontientdulithium.Elleprésentedesrisquesd'incendie,d'explosionoudebrûlures
graves.Nelarechargezpas,neretirezpassonconnecteurpolariséetneladémontezpas.Nel'exposezpasà
unetemperaturesupérieureà100°C,nelafaitespasbrûleretn'enexposezpaslecontenuàl'eau.Mettezla
pileaurebutconformémentàlaréglementationenvigueur.Unepileinappropriéerisquedeprendrefeuou
d'exploser.
DANGER
Silepanneaud'afchageàcristauxliquidessebriseetquevousrecevezdanslesyeuxousurlesmainsune
partieduuide,rincez-lesabondammentpendantaumoinsquinzeminutes.Consultezunmédecinsides
symptômespersistentaprèslelavage.
DANGER
And'évitertoutrisquedechocélectrique,neretirezpaslecacheenplastiqueprotégeantlapartieinférieure
delacarted'alimentation.
Chapter1.Safetyinformation9

DANGER
Bienquelevoltagedesbatteriesprincipalessoitpeuélevé,lecourt-circuitoulamiseàlamassed'une
batteriepeutproduiresufsammentdecourantpourbrûlerdesmatériauxcombustiblesoucauserdes
brûlurescorporellesgraves.
DANGER
Sileremplacementàchaudn'estpasautorisépourl'unitéremplaçablesursitequevousremplacez,
procédezcommesuitavantderetirerl'unité:mettezl'ordinateurhorstension,débrancheztousles
cordonsd'alimentationdesprisesdecourant,retirezleblocdebatterieetdéconnecteztouslescâbles
d'interconnexion.
VORSICHT
BevornacheinemFRU-AustauschderComputerwiederangeschlossenwird,mußsichergestelltwerden,daß
keineSchrauben,FedernoderandereKleinteilefehlenoderimGehäusevergessenwurden.DerComputermuß
geschütteltundaufKlappergeräuschegeprüftwerden.Metallteileoder-splitterkönnenKurzschlüsseerzeugen.
VORSICHT
DieBereitschaftsbatterie,diesichunterdemDiskettenlaufwerkbendet,kanngeringeMengenNickel
undCadmiumenthalten.SiedarfnurdurchdieVerkaufsstelleoderdenIBMKundendienstausgetauscht
werden.Siedarfnichtzerlegt,wiederaufgeladen,kurzgeschlossen,oderFeueroderWasserausgesetzt
werden.DieBatteriekannschwereVerbrennungenoderVerätzungenverursachen.BeiderEntsorgungdie
örtlichenBestimmungenfürSondermüllbeachten.BeimErsetzenderBereitschafts-oderSystembatterienur
BatteriendesTypsverwenden,derinderErsatzteillisteaufgeführtist.DerEinsatzfalscherBatterienkann
zuEntzündungoderExplosionführen.
VORSICHT
AkkusenthaltengeringeMengenvonNickel.Siedürfennichtzerlegt,wiederaufgeladen,kurzgeschlossen,
oderFeueroderWasserausgesetztwerden.BeiderEntsorgungdieörtlichenBestimmungenfürSondermüll
beachten.BeimErsetzenderBatterienurBatteriendesTypsverwenden,derinderErsatzteillisteaufgeführt
ist.DerEinsatzfalscherBatterienkannzuEntzündungoderExplosionführen.
VORSICHT
10HardwareMaintenanceManual

DieSystembatterieisteineLithiumbatterie.Siekannsichentzünden,explodierenoderschwereVerbrennungen
hervorrufen.BatteriendiesesTypsdürfennichtaufgeladen,zerlegt,über100°Cerhitztoderverbranntwerden.
AuchdarfihrInhaltnichtmitWasserinVerbindunggebrachtoderderzurrichtigenPolungangebrachte
Verbindungssteckerentferntwerden.BeiderEntsorgungdieörtlichenBestimmungenfürSondermüll
beachten.BeimErsetzenderBatterienurBatteriendesTypsverwenden,derinderErsatzteillisteaufgeführt
ist.DerEinsatzfalscherBatterienkannzuEntzündungoderExplosionführen.
VORSICHT
DieLeuchtstoffröhreimLCD-BildschirmenthältQuecksilber.BeiderEntsorgungdieörtlichenBestimmungen
fürSondermüllbeachten.DerLCD-BildschirmbestehtausGlasundkannzerbrechen,wennerunsachgemäß
behandeltwirdoderderComputeraufdenBodenfällt.WennderBildschirmbeschädigtistunddiedarin
bendlicheFlüssigkeitinKontaktmitHautundAugengerät,solltendiebetroffenenStellenmindestens15
MinutenmitWasserabgespültundbeiBeschwerdenanschließendeinArztaufgesuchtwerden.
VORSICHT
AusSicherheitsgründendieKunststoffabdeckung,diedenunterenTeilderSpannungswandlerplatineumgibt,
nichtentfernen.
VORSICHT
ObwohlHauptbatterieneineniedrigeSpannunghaben,könnensiedochbeiKurzschlußoderErdunggenug
Stromabgeben,umbrennbareMaterialienzuentzündenoderVerletzungenbeiPersonenhervorzurufen.
VORSICHT
WenneinAustauschderFRUbeilaufendemBetriebnichterlaubtist,gehenSiebeimAustauschderFRUwie
folgtvor:SchaltenSiedenComputeraus,ziehenSiealleNetzkabelvondenNetzsteckdosenab,entfernen
SiedenAkkuundziehenSieallemiteinanderverbundenenKabelab.
Chapter1.Safetyinformation11

12HardwareMaintenanceManual

Chapter1.Safetyinformation13

14HardwareMaintenanceManual