Lenovo ThinkCentre M76 Hardware Maintenance Manual

Type
Hardware Maintenance Manual
ThinkCentre
HardwareMaintenanceManual
MachineTypes:3114,3120,3121,3122,3123,3126,3127,and3128
Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadandunderstandChapter2
“Safetyinformation”onpage3andAppendixA“Notices”onpage205.
ThirdEdition(February2012)
©CopyrightLenovo2011,2012.
LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwareisdeliveredpursuantaGeneralServicesAdministration
“GSAcontract,use,reproduction,ordisclosureissubjecttorestrictionssetforthinContractNo.GS-35F-05925.
Contents
Chapter1.Aboutthismanual......1
Importantsafetyinformation..........1
Chapter2.Safetyinformation......3
Generalsafety................3
Electricalsafety...............3
Voltage-selectionswitch............5
Safetyinspectionguide............5
Handlingelectrostaticdischarge-sensitive
devices..................6
Groundingrequirements............6
Safetynotices(multi-lingualtranslations).....6
Chapter3.Generalinformation....33
LenovoWelcome..............33
LenovoThinkVantageTools.........33
LenovoSolutionCenter...........33
SimpleTap................33
Additionalinformationresources.......34
Specications...............34
Formachinetypes:3114,3121,3123,and
3127.................34
Formachinetypes:3120,3122,3126,and
3128.................35
Chapter4.Generalcheckout.....37
Problemdeterminationtips..........37
Chapter5.Diagnosticprograms...39
LenovoThinkVantageToolbox........39
LenovoSolutionCenter...........39
PC-DoctorforDOS.............40
Creatingadiagnosticdisc........40
Runningthediagnosticprogramfromthe
diagnosticdisc.............40
Navigatingthroughthediagnosticprograms.40
Runningtests.............40
Viewingthetestlog...........42
Chapter6.UsingtheSetupUtility
program................43
StartingtheSetupUtilityprogram.......43
Viewingorchangingsettings.........43
Usingpasswords..............43
Passwordconsiderations.........44
Power-onpassword...........44
Administratorpassword.........44
Setting,changing,ordeletingapassword..44
Enablingordisablingadevice........44
Selectingastartupdevice..........45
Selectingatemporarystartupdevice....45
Viewingorchangingthestartupdevice
sequence...............45
ExitingtheSetupUtilityprogram.......46
Chapter7.Symptom-to-FRUindex..47
Harddiskdrivebooterror..........47
Powersupplyproblems...........47
Diagnosticerrorcodes...........47
Beepsymptoms..............65
POSTerrorcodes.............65
Miscellaneouserrormessages........67
Undeterminedproblems...........69
Chapter8.ReplacingFRUs(Machine
Types:3114,3121,3123,and3127.).71
Locations.................71
Locatingconnectors,controls,andindicators
onthefrontofyourcomputer.......72
Locatingconnectorsandpartsontherearof
yourcomputer.............73
Locatingcomponents..........75
Locatingpartsonthesystemboard....76
Locatinginternaldrives.........76
Handlingstatic-sensitivedevices.......77
Installingorreplacinghardware........78
Removingthecomputercover.......78
Removingandreinstallingthefrontbezel..79
InstallingorreplacingaPCIcard......80
Installingorreplacingamemorymodule...83
Installingorreplacingtheopticaldrive...85
Installingorreplacingthecardreader....87
Replacingthebattery..........91
Replacingthepowersupplyassembly...92
Replacingtheheatsinkandfanassembly..94
Replacingthemicroprocessor.......96
Replacingthesystemboard.......98
Replacingtheprimaryharddiskdrive....100
Replacingthesecondaryharddiskdrive...102
ReplacingtheFrontfanassembly.....104
Replacingtherearfanassembly......105
ReplacingthefrontaudioandUSB
assembly...............107
Replacingtheinternalspeaker.......108
Completingthepartsreplacement.....110
©CopyrightLenovo2011,2012
i
Chapter9.ReplacingFRUs(Machine
Types:3120,3122,3126,and
3128.)................113
Locations.................113
Locatingconnectors,controls,andindicators
onthefrontofyourcomputer.......114
Locatingconnectorsontherearofyour
computer...............115
Locatingcomponents..........116
Locatingpartsonthesystemboard....117
Locatinginternaldrives.........117
Handlingstatic-sensitivedevices.......118
Installingorreplacinghardware........119
Openingthecomputercover.......119
Removingandreinstallingthefrontbezel..120
Accessingthesystemboardcomponentsand
drives................122
Installingorreplacingamemorymodule...123
InstallingorreplacingaPCIcard......124
Installingorreplacingthecardreader....126
Replacingthebattery..........131
Replacingtheharddiskdrive.......132
Replacingtheopticaldrive........135
Replacingtheheatsinkandfanassembly..137
Replacingthepowersupplyassembly...140
Replacingthemicroprocessor.......145
Replacingthesystemboard.......148
Replacingthesystemfanassembly....150
Replacingtheinternalspeaker.......151
ReplacingthefrontaudioandUSB
assembly...............156
Completingthepartsreplacement.....157
Chapter10.FRUlists........159
Overall:MT3120,3122,3126,and3128....159
MechanicalFRUs.............162
KeyboardandMouse............164
AdaptersandmiscellaneousFRUs.......174
PowerCords...............174
Recoverydiscs..............177
Windows7HomeBasic32SP1Recovery
CD.................177
Windows7HomePremium32SP1Recovery
CD.................177
Windows7HomePremium64SP1Recovery
CD.................177
Windows7Professional32SP1Recovery
CD.................177
Windows7Professional64SP1Recovery
CD.................177
Windows7Ultimate32SP1RecoveryCD..178
Windows7Ultimate64SP1RecoveryCD..178
WindowsXPProfessional32RecoveryCD..178
WindowsXPProfessionalGenericRecovery
CD.................178
WindowsVistaBusiness32RecoveryCD..179
Overall:3114,3121,3123,and3127......180
MechanicalFRUs.............183
KeyboardandMouse............185
AdaptersandmiscellaneousFRUs.......194
PowerCords...............195
Recoverydiscs..............197
Windows7HomeBasic32SP1Recovery
CD.................197
Windows7HomePremium32SP1Recovery
CD.................197
Windows7HomePremium64SP1Recovery
CD.................198
Windows7Professional32SP1Recovery
CD.................198
Windows7Professional64SP1Recovery
CD.................198
Windows7Ultimate32SP1RecoveryCD..198
Windows7Ultimate64SP1RecoveryCD..198
WindowsXPProfessional32RecoveryCD..198
WindowsXPProfessionalGenericRecovery
CD.................199
WindowsVistaBusiness32RecoveryCD..200
Chapter11.Additionalservice
information.............201
Securityfeatures..............201
Hardware-controlledpasswords......201
Operatingsystempassword.......201
VitalProductData...........201
BIOSlevels................201
Updating(ashing)theBIOSfromadisc....201
Updating(ashing)theBIOSfromyouroperating
system..................202
RecoveringfromaPOSTandBIOSupdate
failure..................202
Powermanagement............203
AdvancedCongurationandPowerInterface
(ACPI)BIOS..............203
AutomaticPower-Onfeatures.......203
AppendixA.Notices.........205
Televisionoutputnotice...........206
EuropeanpeanconformanceCEmark.....206
Trademarks................206
Index.................207
iiThinkCentreHardwareMaintenanceManual
Chapter1.Aboutthismanual
ThismanualcontainsserviceandreferenceinformationforThinkCentre
®
computermachinetypeslistedon
thefrontcover.ThismanualisintendedonlyfortrainedServiceProviderswhoarefamiliarwithLenovo
®
computerproducts.
Note:BesuretoreadandunderstandtheChapter2“Safetyinformation”onpage3
beforeusingthe
informationinthismanual.
The“Symptom-to-FRUIndex”chapterandtheAdditionalserviceinformation”chapterapplytoall
ThinkCentrecomputers.
ThismanualincludesacompleteFRUpartnumberlistforeachmachinetypelistedonthefrontcover.If
youhaveinternetaccess,theFRUpartnumbersarealsoavailableat:
http://www.lenovo.com/support
Importantsafetyinformation
Besuretoreadallcautionanddangerstatementsinthismanualbeforeperforminganyoftheinstructions.
VeuillezliretouteslesconsignesdetypeDANGERetATTENTIONduprésentdocumentavantd'exécuter
lesinstructions.
LesenSieunbedingtalleHinweisevomTyp"ACHTUNG"oder"VORSICHT"indieserDokumentation,bevor
SieirgendwelcheVorgängedurchführen
LeggereleistruzioniintrodottedaATTENZIONEePERICOLOpresentinelmanualeprimadieseguireuna
qualsiasidelleistruzioni
Certique-sedelertodasasinstruçõesdecuidadoeperigonestemanualantesdeexecutarqualquer
umadasinstruções
Esimportantequeleatodaslasdeclaracionesdeprecauciónydepeligrodeestemanualantesdeseguir
lasinstrucciones.
©CopyrightLenovo2011,2012
1
2ThinkCentreHardwareMaintenanceManual
Chapter2.Safetyinformation
Thischaptercontainsthesafetyinformationthatyouneedtobefamiliarwithbeforeservicingacomputer.
Generalsafety
Followtheserulestoensuregeneralsafety:
Observegoodhousekeepingintheareaofthemachinesduringandaftermaintenance.
Whenliftinganyheavyobject:
1.Ensureyoucanstandsafelywithoutslipping.
2.Distributetheweightoftheobjectequallybetweenyourfeet.
3.Useaslowliftingforce.Nevermovesuddenlyortwistwhenyouattempttolift.
4.Liftbystandingorbypushingupwithyourlegmuscles;thisactionremovesthestrainfromthe
musclesinyourback.Donotattempttoliftanyobjectsthatweighmorethan16kg(35lb)orobjects
thatyouthinkaretooheavyforyou.
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,drilling,soldering,cuttingwire,attachingsprings,using
solvents,orworkinginanyotherconditionsthatmightbehazardoustoyoureyes.
Afterservice,reinstallallsafetyshields,guards,labels,andgroundwires.Replaceanysafetydevice
thatiswornordefective.
Reinstallallcoverscorrectlybeforereturningthemachinetothecustomer.
Electricalsafety
CAUTION:
Electricalcurrentfrompower,telephone,andcommunicationcablescanbehazardous.Toavoid
personalinjuryorequipmentdamage,disconnecttheattachedpowercords,telecommunication
systems,networks,andmodemsbeforeyouopenthecentrecovers,unlessinstructedotherwisein
theinstallationandcongurationprocedures.
Observethefollowingruleswhenworkingonelectricalequipment.
©CopyrightLenovo2011,2012
3
Important:Useonlyapprovedtoolsandtestequipment.Somehandtoolshavehandlescoveredwithasoft
materialthatdoesnotinsulateyouwhenworkingwithliveelectricalcurrents.Manycustomershave,near
theirequipment,rubberoormatsthatcontainsmallconductiveberstodecreaseelectrostaticdischarges.
Donotusethistypeofmattoprotectyourselffromanelectricshock.
Findtheroomemergencypower-off(EPO)switch,disconnectingswitch,orelectricaloutlet.Ifanelectrical
accidentoccurs,youcanthenoperatetheswitchorunplugthepowercordquickly.
Donotworkaloneunderhazardousconditionsornearequipmentthathashazardousvoltages.
Disconnectallpowerbefore:
Performingamechanicalinspection
Workingnearpowersupplies
RemovingorinstallingFieldReplaceableUnits(FRU)
Beforeyoustarttoworkonthemachine,unplugthepowercord.Ifyoucannotunplugit,askthecustomer
topower-offthewallboxthatsuppliespowertothemachineandtolockthewallboxintheoffposition.
Ifyouneedtoworkonamachinethathasexposedelectricalcircuits,observethefollowingprecautions:
Ensurethatanotherperson,familiarwiththepower-offcontrols,isnearyou.
Remember:Anotherpersonmustbetheretoswitchoffthepower,ifnecessary.
Useonlyonehandwhenworkingwithpowered-onelectricalequipment;keeptheotherhandinyour
pocketorbehindyourback.
Remember:Theremustbeacompletecircuittocauseanelectricshock.Byobservingtheabove
rule,youmaypreventacurrentfrompassingthroughyourbody.
Whenusingatester,setthecontrolscorrectlyandusetheapprovedprobeleadsandaccessoriesfor
thattester.
Standonsuitablerubbermats(obtainedlocally,ifnecessary)toinsulateyoufromgroundssuchas
metaloorstripsandmachineframes.
Observethespecialsafetyprecautionswhenyouworkwithveryhighvoltages;theseinstructionsarein
thesafetysectionsofmaintenanceinformation.Useextremecarewhenmeasuringhighvoltages.
Regularlyinspectandmaintainyourelectricalhandtoolsforsafeoperationalcondition.
Donotusewornorbrokentoolsandtesters.
Neverassumethatpowerhasbeendisconnectedfromacircuit.First,checkthatithasbeenpowered-off.
Alwayslookcarefullyforpossiblehazardsinyourworkarea.Examplesofthesehazardsaremoistoors,
nongroundedpowerextensioncables,powersurges,andmissingsafetygrounds.
Donottouchliveelectricalcircuitswiththereectivesurfaceofaplasticdentalmirror.Thesurfaceis
conductive;suchtouchingcancausepersonalinjuryandmachinedamage.
Donotservicethefollowingpartswiththepoweronwhentheyareremovedfromtheirnormaloperating
placesinamachine:
Powersupplyunits
Pumps
Blowersandfans
Motorgenerators
andsimilarunits.(Thispracticeensurescorrectgroundingoftheunits.)
Ifanelectricalaccidentoccurs:
Usecaution;donotbecomeavictimyourself.
Switchoffpower.
Sendanotherpersontogetmedicalaid.
4ThinkCentreHardwareMaintenanceManual
Voltage-selectionswitch
Somecomputersareequippedwithavoltage-selectionswitchlocatednearthepower-cordconnection
pointonthecomputer.Ifyourcomputerhasavoltage-selectionswitch,ensurethatyousettheswitchto
matchthevoltageavailableatyourelectricaloutlet.Settingthevoltage-selectionswitchincorrectlycan
causepermanentdamagetothecomputer.
Ifyourcomputerdoesnothaveavoltage-selectionswitch,yourcomputerisdesignedtooperateonlyatthe
voltageprovidedinthecountryorregionwherethecomputerwasoriginallypurchased.
Ifyourelocateyourcomputertoanothercountry,beawareofthefollowing:
Ifyourcomputerdoesnothaveavoltage-selectionswitch,donotconnectthecomputertoanelectrical
outletuntilyouhaveveriedthatthevoltageprovidedisthesameasitwasinthecountryorregion
wherethecomputerwasoriginallypurchased.
Ifyourcomputerhasavoltage-selectionswitch,donotconnectthecomputertoanelectricaloutletuntil
youhaveveriedthatthevoltage-selectionswitchissettomatchthevoltageprovidedinthatcountry
orregion.
Ifyouarenotsureofthevoltageprovidedatyourelectricaloutlet,contactyourlocalelectriccompanyor
refertoofcialWebsitesorotherliteraturefortravelerstothecountryorregionwhereyouarelocated.
Safetyinspectionguide
Theintentofthisinspectionguideistoassistyouinidentifyingpotentiallyunsafeconditionsonthese
products.Eachmachine,asitwasdesignedandbuilt,hadrequiredsafetyitemsinstalledtoprotectusers
andservicepersonnelfrominjury.Thisguideaddressesonlythoseitems.However,goodjudgmentshould
beusedtoidentifypotentialsafetyhazardsduetoattachmentoffeaturesoroptionsnotcoveredbythis
inspectionguide.
Ifanyunsafeconditionsarepresent,youmustdeterminehowserioustheapparenthazardcouldbeand
whetheryoucancontinuewithoutrstcorrectingtheproblem.
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.Thepowercordshouldbetheappropriatetypeasspeciedinthepartslistings.
c.Insulationmustnotbefrayedorworn.
4.Removethecover.
Chapter2.Safetyinformation5
5.Checkforanyobviousalterations.Usegoodjudgmentastothesafetyofanyalterations.
6.Checkinsidetheunitforanyobviousunsafeconditions,suchasmetallings,contamination,wateror
otherliquids,orsignsofreorsmokedamage.
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-specicESDprocedureswhentheyexceedtherequirementsnotedhere.
2.MakesurethattheESDprotectivedevicesyouusehavebeencertied(ISO9000)asfullyeffective.
WhenhandlingESD-sensitiveparts:
Keepthepartsinprotectivepackagesuntiltheyareinsertedintotheproduct.
Avoidcontactwithotherpeoplewhilehandlingthepart.
Wearagroundedwriststrapagainstyourskintoeliminatestaticonyourbody.
Preventthepartfromtouchingyourclothing.Mostclothingisinsulativeandretainsachargeevenwhen
youarewearingawriststrap.
Usetheblacksideofagroundedworkmattoprovideastatic-freeworksurface.Thematisespecially
usefulwhenhandlingESD-sensitivedevices.
Selectagroundingsystem,suchasthoselistedbelow,toprovideprotectionthatmeetsthespecic
servicerequirement.
Note:TheuseofagroundingsystemisdesirablebutnotrequiredtoprotectagainstESDdamage.
AttachtheESDgroundcliptoanyframeground,groundbraid,orgreen-wireground.
UseanESDcommongroundorreferencepointwhenworkingonadouble-insulatedor
battery-operatedsystem.Youcanusecoaxorconnector-outsideshellsonthesesystems.
Usetheroundground-prongoftheacplugonac-operatedcomputers.
Groundingrequirements
Electricalgroundingofthecomputerisrequiredforoperatorsafetyandcorrectsystemfunction.Proper
groundingoftheelectricaloutletcanbeveriedbyacertiedelectrician.
Safetynotices(multi-lingualtranslations)
Thecautionanddangersafetynoticesinthissectionareprovidedinthefollowinglanguages:
English
Arabic
Brazilian/Portuguese
Chinese(simplied)
Chinese(traditional)
6ThinkCentreHardwareMaintenanceManual
French
German
Hebrew
Italian
Korean
Spanish
DANGER
Electricalcurrentfrompower,telephoneandcommunicationcablesishazardous.
Toavoidashockhazard:
Donotconnectordisconnectanycablesorperforminstallation,maintenance,orreconguration
ofthisproductduringanelectricalstorm.
Connectallpowercordstoaproperlywiredandgroundedelectricaloutlet.
Connecttoproperlywiredoutletsanyequipmentthatwillbeattachedtothisproduct.
Whenpossible,useonehandonlytoconnectordisconnectsignalcables.
Neverturnonanyequipmentwhenthereisevidenceofre,water,orstructuraldamage.
Disconnecttheattachedpowercords,telecommunicationssystems,networks,andmodems
beforeyouopenthedevicecovers,unlessinstructedotherwiseintheinstallationandconguration
procedures.
Connectanddisconnectcablesasdescribedinthefollowingtableswheninstalling,moving,or
openingcoversonthisproductorattacheddevices.
ToConnectToDisconnect
1.TurneverythingOFF.
2.First,attachallcablestodevices.
3.Attachsignalcablestoconnectors.
4.Attachpowercordstooutlet.
5.TurndeviceON.
1.TurneverythingOFF.
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.
Chapter2.Safetyinformation7
CAUTION:
Whenlaserproducts(suchasCD-ROMs,DVD-ROMdrives,beropticdevices,ortransmitters)are
installed,notethefollowing:
Donotremovethecovers.Removingthecoversofthelaserproductcouldresultinexposureto
hazardouslaserradiation.Therearenoserviceablepartsinsidethedevice.
Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthosespeciedherein
mightresultinhazardousradiationexposure.
DANGER
SomelaserproductscontainanembeddedClass3AorClass3Blaserdiode.Notethefollowing:
Laserradiationwhenopen.Donotstareintothebeam,donotviewdirectlywithoptical
instruments,andavoiddirectexposuretothebeam.
≥18kg(37lb)≥32kg(70.5lb)≥55kg(121.2lb)
CAUTION:
Usesafepracticeswhenlifting.
CAUTION:
Thepowercontrolbuttononthedeviceandthepowerswitchonthepowersupplydonotturnoff
theelectricalcurrentsuppliedtothedevice.Thedevicealsomighthavemorethanonepower
cord.Toremoveallelectricalcurrentfromthedevice,ensurethatallpowercordsaredisconnected
fromthepowersource.
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8ThinkCentreHardwareMaintenanceManual
Chapter2.Safetyinformation9
≥18kg(37lb)≥32kg(70.5lb)≥55kg(121.2lb)
10ThinkCentreHardwareMaintenanceManual
1
2
PERIGO
Acorrenteelétricaprovenientedecabosdealimentação,detelefoneedecomunicaçõeséperigosa.
Paraevitarriscodechoqueelétrico:
Nãoconectenemdesconectenenhumcaboouexecuteinstalação,manutençãooureconguração
desteprodutoduranteumatempestadecomraios.
Conectetodososcabosdealimentaçãoatomadaselétricascorretamenteinstaladaseaterradas.
Todoequipamentoqueforconectadoaesteprodutodeveserconectadoatomadascorretamente
instaladas.
Quandopossível,utilizeapenasumadasmãosparaconectaroudesconectarcabosdesinal.
Nuncaliguenenhumequipamentoquandohouverevidênciadefogo,águaoudanosestruturais.
Antesdeabrirtampasdedispositivos,desconectecabosdealimentação,sistemasdetelecomunicação,
redesemodemsconectados,amenosqueespecicadodemaneiradiferentenosprocedimentosde
instalaçãoeconguração.
Conecteedesconecteoscabosconformedescritonatabelaapresentadaaseguiraoinstalar,moverou
abrirtampasdesteprodutooudedispositivosconectados.
ParaConectar:ParaDesconectar:
1.DESLIGUETudo.
2.Primeiramente,conectetodososcabosaos
dispositivos.
3.Conecteoscabosdesinalaosconectores.
4.Conecteoscabosdealimentaçãoàstomadas.
5.LIGUEosdispositivos.
1.DESLIGUETudo.
2.Primeiramente,removaoscabosdealimentaçãodas
tomadas.
3.Removaoscabosdesinaldosconectores.
4.Removatodososcabosdosdispositivos.
Chapter2.Safetyinformation11
CUIDADO:
Aosubstituirabateriadelítio,utilizeapenasumabateriacomNúmerodePeça45C1566ouumtipo
debateriaequivalenterecomendadopeloSeoseusistemapossuiummódulocomumabateriade
lítio,substitua-oapenasporummódulodomesmotipoedomesmofabricante.Abateriacontémlítio
epodeexplodirsenãoforutilizada,manuseadaoudescartadademaneiracorreta.
Não:
Jogueoucoloquenaágua
Aqueçaamaisde100°C(212°F)
Consertenemdesmonte
Descarteabateriaconformerequeridopelasleisouregulamentoslocais.
PRECAUCIÓN:
Quandoprodutosalaser(comounidadesdeCD-ROMs,unidadesdeDVD-ROM,dispositivosdebraótica
outransmissores)estivereminstalados,observeoseguinte:
Nãoremovaastampas.Aremoçãodastampasdeumprodutoalaserpoderesultaremexposição
prejudicialàradiaçãodelaser.Nãoexistempeçasquepodemserconsertadasnointeriordodispositivo.
Autilizaçãodecontrolesouajustesouaexecuçãodeprocedimentosdiferentesdosespecicadosaqui
poderesultaremexposiçãoprejudicialàradiação.
PERIGO
AlgunsprodutosalasercontêmdiododelaserintegradodaClasse3AoudaClasse3B.Observeoseguinte:
Radiaçãoalaserquandoaberto.Nãoolhediretamenteparaofeixeaolhonuoucominstrumentosópticose
eviteexposiçãodiretaaofeixe.
≥18kg(37lb)≥32kg(70.5lb)≥55kg(121.2lb)
CUIDADO:
Utilizeprocedimentosdesegurançaparalevantarequipamentos.
12ThinkCentreHardwareMaintenanceManual
CUIDADO:
Obotãodecontroledealimentaçãododispositivoeobotãoparaligar/desligardafontedealimentação
nãodesligamacorrenteelétricafornecidaaodispositivo.Odispositivotambémpodetermaisdeumcabo
dealimentação.Pararemovertodaacorrenteelétricadodispositivo,assegurequetodososcabosde
alimentaçãoestejamdesconectadosdafontedealimentação.
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Chapter2.Safetyinformation13
14ThinkCentreHardwareMaintenanceManual
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Chapter2.Safetyinformation15
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Lenovo ThinkCentre M76 Hardware Maintenance Manual

Type
Hardware Maintenance Manual

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