Lenovo ThinkCentre M73p Owner's manual

ThinkCentreM73p
HardwareMaintenanceManual
MachineTypes:10K9,10KA,10KB,and10KC

Note:Beforeusingthisinforationandtheproductitsupports,besuretoreadandunderstandtheChapter
1“Readthisfirst:Iportantsafetyinforation”onpage1andAppendixF“Notices”onpage147.
FirstEdition(August2015)
©CopyrightLenoo2015.
LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwareisdeliveredpursuantaGeneralServicesAdinistration
“GSA”contract,use,reproduction,ordisclosureissubjecttorestrictionssetforthinContractNo.GS-35F-05925.

Contents
Aboutthismanual............
Chapter1.Readthisfirst:Important
safetyinformation............1
Powercordsandpoweradapters........1
Generalsafety................1
Electricalsafety...............2
Safetyinspectionguide............4
Handlingelectrostaticdischarge-sensitive
devices..................4
Groundingrequireents............5
Safetynotices(ulti-lingualtranslations).....5
Chapter2.Productoeriew.....27
Hardwarelocations.............27
Frontview...............27
Rearview...............29
Coputercoponents.........31
MajorFRUsandCRUs..........31
Partsonthesysteboard........34
Machinetypeandodellabel.......36
Features.................36
Specifications...............40
Progras.................40
Accessingaprograonyourcoputer...40
Installingaprograthatisreadytobe
installed...............41
AnintroductiontoLenovoprogras....41
Chapter3.Usingyourcomputer...45
Registeringyourcoputer..........45
Settingthecoputervolue.........45
AddinganicontotheWindowsnotificationarea.45
Usingadisc................45
Guidelinesaboutusingtheopticaldrive...46
Handlingandstoringadisc........46
Playingandreovingadisc.......46
Recordingadisc............47
Connectingtoanetwork...........47
ConnectingtoanEthernetLAN......47
ConnectingtoawirelessLAN.......48
ConnectingtoaBluetooth-enableddevice..48
Chapter4.Youandyourcomputer..49
Arrangingyourworkspace..........49
Glareandlighting............49
Aircirculation.............49
Electricaloutletlocationsandcablelengths.49
Cofort...............49
Accessibilityinforation...........50
Cleaningyourcoputer...........53
Maintenance...............53
Basicaintenancetips.........53
Goodaintenancepractices.......54
Keepingyourcoputercurrent......54
Movingyourcoputer...........55
Chapter5.Security..........57
Lockingyourcoputer...........57
Lockingthecoputercover.......57
AttachingaKensington-stylecablelock...58
Attachingacablelock..........59
Viewingandchangingsecuritysettingsinthe
SetupUtilityprogra............59
Preventingunauthorizedaccesstoyour
coputer.................59
Usingfingerprintauthentication........60
Usingandunderstandingfirewalls.......60
Protectingdataagainstviruses........60
CoputraceAgentsoftwareebeddedin
firware.................61
TrustedPlatforModule(TPM)........61
Chapter6.Adancedconfiguration..63
UsingtheSetupUtilityprogra........63
StartingtheSetupUtilityprogra.....63
Enablingordisablingadevice.......63
EnablingordisablingtheAutoaticPowerOn
features...............63
EnablingordisablingErPLPScopliance
ode................64
ChangingICEPerforanceMode.....64
EnablingordisablingtheICETheralAlert
feature................65
EnablingordisablingtheConfiguration
ChangeDetectionfeature........65
Usingthecoverpresenceswitch......65
UsingBIOSpasswords.........66
Selectingastartupdevice........67
ExitingtheSetupUtilityprogra......68
UpdatingandrecoveringtheBIOS.......68
UpdatingtheBIOS...........68
RecoveringfroaBIOSupdatefailure...69
©CopyrightLenovo2015i

Chapter7.Troubleshooting,
diagnostics,andrecoery......71
Basicprocedureforresolvingcoputer
probles.................71
Troubleshooting..............71
Startupprobles............71
Audioprobles............72
CDprobles.............73
DVDprobles.............73
Interittentprobles..........74
Storagedriveprobles.........74
Networkingprobles..........75
Perforanceprobles..........77
Serialconnectorcannotbeaccessed....78
MyUSBconnectorscannotbeaccessed..78
Softwareanddriverprobles.......78
Diagnostics................79
LenovoSolutionCenter.........79
UEFIdiagnosticprogra.........79
Recoveryinforation............80
RecoveryinforationforWindows7....80
RecoveryinforationforWindows10....81
Chapter8.Sericecheckoutand
symptom-to-FRUindex........83
Servicecheckout..............83
Probledeterinationtips........83
Sypto-to-FRUindex...........84
Harddiskdrivebooterror........84
Powersupplyprobles.........85
Miscellaneouserrorconditions......85
POSTerrorcodes............87
Undeterinedprobles.........88
Beepsyptos............88
Chapter9.Installingorreplacing
hardware...............89
Handlingstatic-sensitivedevices.......89
Installingorreplacinghardware........89
Installingexternaloptions........89
Reovingthecoputercover.......90
Replacingthefrontbezel.........90
Replacingtheopticaldrive........91
ReplacingthefrontaudioandUSB
assebly...............93
Replacingthecardreader........94
Replacingthetheralsensor.......97
Replacingthepowersupplyassebly...98
Replacingtherearfan..........100
Replacingthecoverpresenceswitch....102
Installingthe2.5-inchstoragedrive.....104
Replacingthe3.5-inchstoragedrive....105
Replacingaeoryodule.......107
Replacingtheheatsinkandfanassebly..109
Replacingtheicroprocessor.......111
Replacingthecoin-cellbattery......113
ReplacingaPCI/PCI-Expresscard.....114
ReplacingtheWi-Ficard.........116
ReplacingtheWi-Fiantennas.......121
Replacingthesysteboard.......124
Copletingthepartsreplaceent.....126
Chapter10.Gettinginformation,help,
andserice.............129
Inforationresources............129
Accessingtheuserguideinvarious
languages...............129
Windowshelpsyste..........129
Safetyandwarranty...........129
LenovoWebsite............129
LenovoSupportWebsite.........130
Frequentlyaskedquestions........130
Helpandservice..............130
Callingforservice............130
Usingotherservices..........131
Purchasingadditionalservices......131
AppendixA.Regulatory
information.............133
Exportclassificationnotice..........133
Electroniceissionsnotices.........133
FederalCounicationsCoission
DeclarationofConfority........133
Eurasiancoplianceark..........135
Brazilaudionotice.............135
Mexicowireless-radiocoplianceinforation..135
Additionalregulatoryinforation.......135
AppendixB.WEEEandrecycling
information.............137
IportantWEEEinforation.........137
RecyclinginforationforJapan........137
RecyclinginforationforBrazil........138
BatteryrecyclinginforationforTaiwan.....138
BatteryrecyclinginforationfortheEuropean
Union..................138
AppendixC.RestrictionofHazardous
SubstancesDirectie(RoHS)....141
EuropeanUnionRoHS...........141
ChinaRoHS................141
TurkishRoHS...............141
UkraineRoHS...............142
iiThinkCentreM73pHardwareMaintenanceManual

IndiaRoHS................142
AppendixD.ChinaEnergyLabel..143
AppendixE.ENERGYSTARmodel
information.............145
AppendixF.Notices.........147
Tradearks................148
©CopyrightLenovo2015iii

iThinkCentreM73pHardwareMaintenanceManual

Aboutthismanual
ThisanualprovidesserviceandreferenceinforationforLenovo®coputerslistedonthefrontcover.
Usethisanualalongwiththeadvanceddiagnosticteststotroubleshootprobles.
Important:ThisanualisintendedonlyfortrainedservicetechnicianswhoarefailiarwithLenovo
coputers.Usethisanualalongwiththeadvanceddiagnosticteststotroubleshootprobleseffectively.
BeforeservicingaLenovocoputer,besuretoreadandunderstandChapter1“Readthisfirst:Iportant
safetyinforation”onpage1.
©CopyrightLenovo2015

iThinkCentreM73pHardwareMaintenanceManual

Chapter1.Readthisfirst:Importantsafetyinformation
Thischaptercontainsthesafetyinforationthatyouustbefailiarwith.
Powercordsandpoweradapters
Useonlythepowercordsandpoweradapterssuppliedbytheproductanufacturer.Donotusetheac
powercordforotherdevices.
Thepowercordsshallbesafetyapproved.ForGerany,itshallbeH05VV-F,3G,0.752,orbetter.For
othercountries,thesuitabletypesshallbeusedaccordingly.
Neverwrapapowercordaroundapoweradapterorotherobject.Doingsocanstressthecordinwaysthat
cancausethecordtofray,crack,orcrip.Thiscanpresentasafetyhazard.
Alwaysroutepowercordssothattheywillnotbewalkedon,trippedover,orpinchedbyobjects.
Protectpowercordandpoweradaptersfroliquids.Forinstance,donotleaveyourpowercordorpower
adapternearsinks,tubs,toilets,oronfloorsthatarecleanedwithliquidcleansers.Liquidscancausea
shortcircuit,particularlyifthepowercordorpoweradapterhasbeenstressedbyisuse.Liquidsalsocan
causegradualcorrosionofpowercordterinalsand/ortheconnectorterinalsonapoweradapter,
whichcaneventuallyresultinoverheating.
Ensurethatallpowercordconnectorsaresecurelyandcopletelypluggedintoreceptacles.
Donotuseanypoweradapterthatshowscorrosionattheacinputpinsorshowssignsofoverheating(such
asdeforedplastic)attheacinputoranywhereonthepoweradapter.
Donotuseanypowercordswheretheelectricalcontactsoneitherendshowsignsofcorrosionor
overheatingorwherethepowercordappearstohavebeendaagedinanyway.
Generalsafety
Followtheserulestoensuregeneralsafety:
•Observegoodhousekeepingintheareaoftheachinesduringandafteraintenance.
•Whenliftinganyheavyobject:
1.Ensureyoucanstandsafelywithoutslipping.
2.Distributetheweightoftheobjectequallybetweenyourfeet.
3.Useaslowliftingforce.Neverovesuddenlyortwistwhenyouattepttolift.
4.Liftbystandingorbypushingupwithyourleguscles;thisactionreovesthestrainfrothe
usclesinyourback.
Attention:
Donotattepttoliftanyobjectsthatweighorethan16kg(35lb)orobjectsthatyouthinkare
tooheavyforyou.
•Donotperforanyactionthatcauseshazardstothecustoer,orthatakestheequipentunsafe.
•Beforeyoustarttheachine,ensurethatotherservicerepresentativesandthecustoer'spersonnelare
notinahazardousposition.
©CopyrightLenovo20151

•Placereovedcoversandotherpartsinasafeplace,awayfroallpersonnel,whileyouareservicing
theachine.
•Keepyourtoolcaseawayfrowalkareassothatotherpeoplewillnottripoverit.
•Donotwearlooseclothingthatcanbetrappedintheovingpartsofaachine.Ensurethatyoursleeves
arefastenedorrolledupaboveyourelbows.Ifyourhairislong,fastenit.
•Inserttheendsofyournecktieorscarfinsideclothingorfastenitwithanonconductiveclip,approxiately
8centieters(3inches)frotheend.
•Donotwearjewelry,chains,etal-fraeeyeglasses,oretalfastenersforyourclothing.
Remember:Metalobjectsaregoodelectricalconductors.
•Wearsafetyglasseswhenyouare:haering,drilling,soldering,cuttingwire,attachingsprings,using
solvents,orworkinginanyotherconditionsthatightbehazardoustoyoureyes.
•Afterservice,reinstallallsafetyshields,guards,labels,andgroundwires.Replaceanysafetydevice
thatiswornordefective.
•Reinstallallcoverscorrectlybeforereturningtheachinetothecustoer.
CAUTION:
Hazardousmoingparts.Keepfingersandotherbodypartsaway.
CAUTION:
Beforeyouopenthecomputercoer,turnoffthecomputerandwaitseeralminutesuntilthe
computeriscool.
Electricalsafety
CAUTION:
Electricalcurrentfrompower,telephone,andcommunicationcablescanbehazardous.Toaoid
personalinjuryorequipmentdamage,disconnecttheattachedpowercords,telecommunication
systems,networks,andmodemsbeforeyouopenthecomputercoers,unlessinstructedotherwise
intheinstallationandconfigurationprocedures.
Observethefollowingruleswhenworkingonelectricalequipent.
Important:Useonlyapprovedtoolsandtestequipent.Soehandtoolshavehandlescoveredwithasoft
aterialthatdoesnotinsulateyouwhenworkingwithliveelectricalcurrents.Manycustoershave,near
theirequipent,rubberflooratsthatcontainsallconductivefiberstodecreaseelectrostaticdischarges.
Donotusethistypeofattoprotectyourselffroelectricalshock.
2ThinkCentreM73pHardwareMaintenanceManual

•Findtherooeergencypower-off(EPO)switch,disconnectingswitch,orelectricaloutlet.Ifanelectrical
accidentoccurs,youcanthenoperatetheswitchorunplugthepowercordquickly.
•Donotworkaloneunderhazardousconditionsornearequipentthathashazardousvoltages.
•Disconnectallpowerbefore:
–Perforingaechanicalinspection
–Workingnearpowersupplies
–ReovingorinstallingFieldReplaceableUnits(FRUs)
•Beforeyoustarttoworkontheachine,unplugthepowercord.Ifyoucannotunplugit,poweroffthe
wallboxthatsuppliespowertotheachineandlockthewallboxintheoffposition.
•Ifyouneedtoworkonaachinethathasexposedelectricalcircuits,observethefollowingprecautions:
–Ensurethatanotherperson,failiarwiththepower-offcontrols,isnearyou.
Remember:Anotherpersonustbetheretoswitchoffthepower,ifnecessary.
–Useonlyonehandwhenworkingwithpowered-onelectricalequipent;keeptheotherhandinyour
pocketorbehindyourback.
Remember:Thereustbeacopletecircuittocauseelectricalshock.Byobservingtheaboverule,
youaypreventacurrentfropassingthroughyourbody.
–Whenusingatester,setthecontrolscorrectlyandusetheapprovedprobeleadsandaccessoriesfor
thattester.
–Standonsuitablerubberats(obtainedlocally,ifnecessary)toinsulateyoufrogroundssuchas
etalfloorstripsandachinefraes.
Observethespecialsafetyprecautionswhenyouworkwithveryhighvoltages;theseinstructionsarein
thesafetysectionsofaintenanceinforation.Useextreecarewheneasuringhighvoltages.
•Regularlyinspectandaintainyourelectricalhandtoolsforsafeoperationalcondition.
•Donotusewornorbrokentoolsandtesters.
•Neverassumethatpowerhasbeendisconnectedfroacircuit.First,checkthatithasbeenpowered-off.
•Alwayslookcarefullyforpossiblehazardsinyourworkarea.Exaplesofthesehazardsareoistfloors,
nongroundedpowerextensioncables,powersurges,andissingsafetygrounds.
•Donottouchliveelectricalcircuitswiththereflectivesurfaceofaplasticdentalirror.Thesurfaceis
conductive;suchtouchingcancausepersonalinjuryandachinedaage.
•Donotservicethefollowingpartswiththepoweronwhentheyarereovedfrotheirnoraloperating
placesinaachine:
–Powersupplyunits
–Pups
–Blowersandfans
–Motorgenerators
andsiilarunits.(Thispracticeensurescorrectgroundingoftheunits.)
•Ifanelectricalaccidentoccurs:
–Usecaution;donotbecoeavictiyourself.
–Switchoffpower.
–Sendanotherpersontogetedicalaid.
Chapter1.Readthisfirst:Iportantsafetyinforation3

Safetyinspectionguide
Theintentofthisinspectionguideistoassistyouinidentifyingpotentiallyunsafeconditionsonthese
products.Eachachine,asitwasdesignedandbuilt,hadrequiredsafetyitesinstalledtoprotectusers
andservicepersonnelfroinjury.Thisguideaddressesonlythoseites.However,goodjudgentshould
beusedtoidentifypotentialsafetyhazardsduetoattachentoffeaturesoroptionsnotcoveredbythis
inspectionguide.
Ifanyunsafeconditionsarepresent,youustdeterinehowserioustheapparenthazardcouldbeand
whetheryoucancontinuewithoutfirstcorrectingtheproble.
Considertheseconditionsandthesafetyhazardstheypresent:
•Electricalhazards,especiallypriarypower(priaryvoltageonthefraecancauseseriousorfatal
electricalshock).
•Explosivehazards,suchasadaagedCRTfaceorbulgingcapacitor
•Mechanicalhazards,suchaslooseorissinghardware
Theguideconsistsofaseriesofstepspresentedinachecklist.Beginthecheckswiththepoweroff,and
thepowercorddisconnected.
Checklist:
1.Checkexteriorcoversfordaage(loose,broken,orsharpedges).
2.Power-offthecoputer.Disconnectthepowercord.
3.Checkthepowercordfor:
a.Athird-wiregroundconnectoringoodcondition.Useaetertoeasurethird-wireground
continuityfor0.1ohorlessbetweentheexternalgroundpinandfraeground.
b.Thepowercordshouldbetheappropriatetypeasspecifiedinthepartslistings.
c.Insulationustnotbefrayedorworn.
4.Reovethecover.
5.Checkforanyobviousalterations.Usegoodjudgentastothesafetyofanyalterations.
6.Checkinsidetheunitforanyobviousunsafeconditions,suchasetalfilings,containation,wateror
otherliquids,orsignsoffireorsokedaage.
7.Checkforworn,frayed,orpinchedcables.
8.Checkthatthepower-supplycoverfasteners(screwsorrivets)havenotbeenreovedortaperedwith.
Handlingelectrostaticdischarge-sensitiedeices
Anycoputerpartcontainingtransistorsorintegratedcircuits(ICs)shouldbeconsideredsensitiveto
electrostaticdischarge(ESD).ESDdaagecanoccurwhenthereisadifferenceinchargebetweenobjects.
ToprotectagainstESDdaage,equalizethechargebetweenobjects.Then,theachine,thepart,the
workat,andthepersonhandlingthepartareallatthesaecharge.
Notes:
1.Useproduct-specificESDprocedureswhentheyexceedtherequireentsnotedhere.
2.MakesurethattheESDprotectivedevicesyouusehavebeencertified(ISO9000)asfullyeffective.
WhenhandlingESD-sensitiveparts:
•Keepthepartsinprotectivepackagesuntiltheyareinsertedintotheproduct.
•Avoidcontactwithotherpeoplewhilehandlingthepart.
4ThinkCentreM73pHardwareMaintenanceManual

•Wearagroundedwriststrapagainstyourskintoeliinatestaticonyourbody.
•Preventthepartfrotouchingyourclothing.Mostclothingisinsulativeandretainsachargeeven
whenyouarewearingawriststrap.
•Usetheblacksideofagroundedworkattoprovideastatic-freeworksurface.Theatisespecially
usefulwhenhandlingESD-sensitivedevices.
•Selectagroundingsyste,suchasthoselistedbelow,toprovideprotectionthateetsthespecific
servicerequireent.
Note:TheuseofagroundingsysteisdesirablebutnotrequiredtoprotectagainstESDdaage.
–AttachtheESDgroundcliptoanyfraeground,groundbraid,orgreen-wireground.
–UseanESDcoongroundorreferencepointwhenworkingonadouble-insulatedor
battery-operatedsyste.Youcanusecoaxorconnector-outsideshellsonthesesystes.
–Usetheroundground-prongoftheacplugonac-operatedcoputers.
Groundingrequirements
Electricalgroundingofthecoputerisrequiredforoperatorsafetyandcorrectsystefunction.Proper
groundingoftheelectricaloutletcanbeverifiedbyacertifiedelectrician.
Safetynotices(multi-lingualtranslations)
Thecautionanddangersafetynoticesinthissectionareprovidedinthefollowinglanguages:
•English
•Arabic
•Brazilian/Portuguese
•Chinese(siplified)
•Chinese(traditional)
•French
•Geran
•Hebrew
•Italian
•Korean
•Spanish
DANGER
Electricalcurrentfropower,telephoneandcounicationcablesishazardous.
Toaoidashockhazard:
•Donotconnectordisconnectanycablesorperforminstallation,maintenance,orreconfiguration
ofthisproductduringanelectricalstorm.
•Connectallpowercordstoaproperlywiredandgroundedelectricaloutlet.
Chapter1.Readthisfirst:Iportantsafetyinforation5

•Connecttoproperlywiredoutletsanyequipmentthatwillbeattachedtothisproduct.
•Whenpossible,useonehandonlytoconnectordisconnectsignalcables.
•Neerturnonanyequipmentwhenthereiseidenceoffire,water,orstructuraldamage.
•Disconnecttheattachedpowercords,telecommunicationssystems,networks,andmodems
beforeyouopenthedeicecoers,unlessinstructedotherwiseintheinstallationandconfiguration
procedures.
•Connectanddisconnectcablesasdescribedinthefollowingtableswheninstalling,moing,or
openingcoersonthisproductorattacheddeices.
ToConnectToDisconnect
1.TurneverythingOFF.
2.First,attachallcablestodevices.
3.Attachsignalcablestoconnectors.
4.Attachpowercordstooutlet.
5.TurndeviceON.
1.TurneverythingOFF.
2.First,reovepowercordsfrooutlet.
3.Reovesignalcablesfroconnectors.
4.Reoveallcablesfrodevices.
CAUTION:
Whenreplacingthelithiumbattery,useonlyPartNumber45C1566oranequialenttypebattery
recommendedbythemanufacturer.Ifyoursystemhasamodulecontainingalithiumbattery,replace
itonlywiththesamemoduletypemadebythesamemanufacturer.Thebatterycontainslithiumand
canexplodeifnotproperlyused,handled,ordisposedof.Donot:
•Throworimmerseintowater
•Heattomorethan100°C(212°F)
•Repairordisassemble
Disposeofthebatteryasrequiredbylocalordinancesorregulations.
CAUTION:
Whenlaserproducts(suchasCD-ROMs,DVD-ROMdries,fiberopticdeices,ortransmitters)are
installed,notethefollowing:
•Donotremoethecoers.Remoingthecoersofthelaserproductcouldresultinexposureto
hazardouslaserradiation.Therearenosericeablepartsinsidethedeice.
•Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthosespecifiedherein
mightresultinhazardousradiationexposure.
DANGER
SomelaserproductscontainanembeddedClass3AorClass3Blaserdiode.Notethefollowing:
Laserradiationwhenopen.Donotstareintothebeam,donotiewdirectlywithoptical
instruments,andaoiddirectexposuretothebeam.
6ThinkCentreM73pHardwareMaintenanceManual

≥18kg(37lb)≥32kg(70.5lb)≥55kg(121.2lb)
CAUTION:
Usesafepracticeswhenlifting.
CAUTION:
Thepowercontrolbuttononthedeiceandthepowerswitchonthepowersupplydonotturnoff
theelectricalcurrentsuppliedtothedeice.Thedeicealsomighthaemorethanonepower
cord.Toremoeallelectricalcurrentfromthedeice,ensurethatallpowercordsaredisconnected
fromthepowersource.
1
2
Chapter1.Readthisfirst:Iportantsafetyinforation7

8ThinkCentreM73pHardwareMaintenanceManual

≥18kg(37lb)≥32kg(70.5lb)≥55kg(121.2lb)
1
2
PERIGO
Acorrenteelétricaprovenientedecabosdealientação,detelefoneedecounicaçõeséperigosa.
Chapter1.Readthisfirst:Iportantsafetyinforation9

Paraevitarriscodechoqueelétrico:
•Nãoconectenedesconectenenhucaboouexecuteinstalação,anutençãooureconfiguração
desteprodutoduranteuatepestadecoraios.
•Conectetodososcabosdealientaçãoatoadaselétricascorretaenteinstaladaseaterradas.
•Todoequipaentoqueforconectadoaesteprodutodeveserconectadoatoadascorretaente
instaladas.
•Quandopossível,utilizeapenasuadasãosparaconectaroudesconectarcabosdesinal.
•Nuncaliguenenhuequipaentoquandohouverevidênciadefogo,águaoudanosestruturais.
•Antesdeabrirtapasdedispositivos,desconectecabosdealientação,sisteasdetelecounicação,
redeseodesconectados,aenosqueespecificadodeaneiradiferentenosprocedientosde
instalaçãoeconfiguração.
•Conecteedesconecteoscabosconforedescritonatabelaapresentadaaseguiraoinstalar,overou
abrirtapasdesteprodutooudedispositivosconectados.
ParaConectar:ParaDesconectar:
1.DESLIGUETudo.
2.Prieiraente,conectetodososcabosaos
dispositivos.
3.Conecteoscabosdesinalaosconectores.
4.Conecteoscabosdealientaçãoàstoadas.
5.LIGUEosdispositivos.
1.DESLIGUETudo.
2.Prieiraente,reovaoscabosdealientaçãodas
toadas.
3.Reovaoscabosdesinaldosconectores.
4.Reovatodososcabosdosdispositivos.
CUIDADO:
Aosubstituirabateriadelítio,utilizeapenasumabateriacomNúmerodePeça45C1566ouumtipo
debateriaequialenterecomendadopeloSeoseusistemapossuiummódulocomumabateriade
lítio,substitua-oapenasporummódulodomesmotipoedomesmofabricante.Abateriacontémlítio
epodeexplodirsenãoforutilizada,manuseadaoudescartadademaneiracorreta.
Não:
•Jogueoucoloquenaágua
•Aqueçaaaisde100°C(212°F)
•Consertenedesonte
Descarteabateriaconforerequeridopelasleisouregulaentoslocais.
PRECAUCIÓN:
Quandoprodutosalaser(coounidadesdeCD-ROMs,unidadesdeDVD-ROM,dispositivosdefibraótica
outransissores)estivereinstalados,observeoseguinte:
•Nãoreovaastapas.Areoçãodastapasdeuprodutoalaserpoderesultareexposição
prejudicialàradiaçãodelaser.Nãoexistepeçasquepodeserconsertadasnointeriordodispositivo.
10ThinkCentreM73pHardwareMaintenanceManual

•Autilizaçãodecontrolesouajustesouaexecuçãodeprocedientosdiferentesdosespecificadosaqui
poderesultareexposiçãoprejudicialàradiação.
PERIGO
AlgunsprodutosalasercontêdiododelaserintegradodaClasse3AoudaClasse3B.Observeoseguinte:
Radiaçãoalaserquandoaberto.Nãoolhediretaenteparaofeixeaolhonuoucoinstruentosópticose
eviteexposiçãodiretaaofeixe.
≥18kg(37lb)≥32kg(70.5lb)≥55kg(121.2lb)
CUIDADO:
Utilizeprocedientosdesegurançaparalevantarequipaentos.
CUIDADO:
Obotãodecontroledealientaçãododispositivoeobotãoparaligar/desligardafontedealientação
nãodesligaacorrenteelétricafornecidaaodispositivo.Odispositivotabépodeteraisdeucabo
dealientação.Parareovertodaacorrenteelétricadodispositivo,assegurequetodososcabosde
alientaçãoestejadesconectadosdafontedealientação.
1
2
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12ThinkCentreM73pHardwareMaintenanceManual