Lenovo ThinkCentre M73 10B2 Hardware Maintenance Manual

ThinkCentreM73

HardwareMaintenanceManual

MachineTypes:10B0,10B1,10B2,10B3,10B4,10B5,10B6,10B7,

10AX,10AY,10DK,10DL,10DM,10DN,10HJ,10HK,10HL,and10HM

Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadandunderstandChapter2

“Safetyinformation”onpage3andAppendixA“Notices”onpage243.

SeventhEdition(August2015)

©CopyrightLenovo2013,2015.

LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwarearedeliveredpursuantaGeneralServices

Administration“GSA”contract,use,reproduction,ordisclosureissubjecttorestrictionssetforthinContractNo.

GS-35F-05925.

Contents

Chapter1.Aboutthismanual......1

Importantsafetyinformation..........1

Chapter2.Safetyinformation......3

Generalsafety................3

Electricalsafety...............3

Safetyinspectionguide............5

Handlingelectrostaticdischarge-sensitive

devices..................5

Groundingrequirements............6

Safetynotices(multi-lingualtranslations).....6

Chapter3.Generalinformation....29

Speciﬁcations...............29

Formachinetypes:10B0,10B1,10B2,10B3,

10HJ,and10HK............29

Formachinetypes:10B4,10B5,10B6,10B7,

10HL,and10HM............30

Formachinetypes:10AX,10AY,10DK,10DL,

10DM,and10DN............31

Lenovoprograms.............31

Accessingaprogramonyourcomputer...31

AnintroductiontoLenovoprograms....32

LenovoSupportWebsite..........34

Chapter4.Generalcheckout.....35

Problemdeterminationtips..........35

Chapter5.Troubleshootingand

diagnostics..............37

Basictroubleshooting............37

AccessingControlPanelontheWindows8or

Windows8.1operatingsystem........38

Troubleshootingprocedure..........38

Troubleshooting..............39

Audioproblems............40

CDproblems.............41

DVDproblems.............42

Intermittentproblems..........43

Harddiskdriveproblems.........43

Keyboard,mouse,orpointingdevice

problems...............44

Monitorproblems............45

Networkingproblems..........47

Optionproblems............49

Performanceandlockupproblems.....50

Printerproblems............51

Serialportproblems...........52

Softwareproblems...........52

USBproblems.............53

Diagnostics................54

LenovoSolutionCenter.........54

UEFIdiagnosticprogram.........54

Chapter6.UsingtheSetupUtility

program................57

StartingtheSetupUtilityprogram.......57

Viewingandchangingsettings........57

Usingpasswords..............57

Passwordconsiderations.........58

Power-onpassword...........58

Administratorpassword.........58

Setting,changing,anddeletingapassword.58

Erasinglostorforgottenpasswords(clearing

CMOS)................58

Enablingordisablingadevice........59

Selectingastartupdevice..........59

Selectingatemporarystartupdevice....59

Selectingorchangingthestartupdevice

sequence...............60

EnablingErPLPScompliancemode......60

ICEperformancemode...........61

ICEthermalalert..............61

ChangingtheBIOSsettingsbeforeinstallinganew

operatingsystem..............62

ExitingtheSetupUtilityprogram.......62

Chapter7.Symptom-to-FRUIndex..63

Harddiskdrivebooterror..........63

Powersupplyproblems...........63

Beepsymptoms..............63

POSTerrorcodes.............64

Miscellaneouserrorconditions........65

Undeterminedproblems...........66

Chapter8.Locations.........69

Formachinetypes:10B0,10B1,10B2,10B3,

10HJ,and10HK..............69

Locatingconnectors,controls,andindicators

onthefrontofyourcomputer.......69

Locatingconnectorsontherearofyour

computer...............70

LocatingmajorFRUsandCRUs......71

LookingupFRUinformation.......73

Locatingpartsonthesystemboard....73

Locatinginternaldrives.........75

©CopyrightLenovo2013,2015

i

Formachinetypes:10B4,10B5,10B6,10B7,

10HL,and10HM..............76

Locatingconnectors,controls,andindicators

onthefrontofyourcomputer.......76

Locatingconnectorsontherearofyour

computer...............77

LocatingmajorFRUsandCRUs......78

LookingupFRUinformation.......80

Locatingpartsonthesystemboard....80

Locatinginternaldrives.........82

Formachinetypes:10AX,10AY,10DK,10DL,

10DM,and10DN..............83

Locatingconnectors,controls,andindicators

onthefrontofyourcomputer.......83

Locatingconnectorsontherearofyour

computer...............84

LocatingmajorFRUsandCRUs......85

LookingupFRUinformation.......87

Locatingpartsonthesystemboard....87

Chapter9.ReplacingFRUs(machine

types:10B0,10B1,10B2,10B3,10HJ,

and10HK)...............89

Handlingstatic-sensitivedevices.......89

Installingorreplacinghardware........89

Installingexternaloptions........89

Removingthecomputercover.......90

Removingandreinstallingthefrontbezel..90

Installingorreplacingamemorymodule...92

InstallingorreplacingaPCIExpresscard..94

Replacingthebattery..........97

Installingorreplacingtheopticaldrive...98

Replacingtheslimcardreader......100

Replacingtheheatsinkandfanassembly..103

Replacingthepowersupplyassembly...104

Replacingthemicroprocessor.......106

Replacingthesystemboard.......108

Installingthesolid-statedrive.......110

Replacingtheprimaryharddiskdrive....111

Replacingtherearfanassembly......113

ReplacingthefrontaudioandUSB

assembly...............115

Replacingthethermalsensor.......116

Replacingthecoverpresenceswitch....118

ReplacingtheWi-Fiunits.........120

InstallingorremovingtherearWi-Fi

antenna...............127

InstallingorremovingthefrontWi-Fi

antenna...............128

Replacingthekeyboard.........130

Replacingthemouse..........131

Completingthepartsreplacement.....131

Chapter10.ReplacingFRUs(machine

types:10B4,10B5,10B6,10B7,10HL,

and10HM)..............135

Handlingstatic-sensitivedevices.......135

Installingorreplacinghardware........135

Installingexternaloptions........135

Removingthecomputercover.......136

Removingandreinstallingthefrontbezel..136

Accessingthesystemboardcomponentsand

drives................137

InstallingorreplacingaPCIExpresscard..139

Installingorreplacingamemorymodule...141

Replacingthebattery..........143

Replacingtheharddiskdrive.......144

Replacingthesolid-statedrive......146

Installingorreplacingtheopticaldrive...151

Replacingtheslimcardreader......154

Replacingtheheatsinkandfanassembly..157

Replacingthepowersupplyassembly...159

Replacingthemicroprocessor.......163

Replacingthesystemboard.......165

Replacingthefrontfanassembly.....167

ReplacingthefrontaudioandUSB

assembly...............169

Replacingthethermalsensor.......170

ReplacingtheWi-Fiunits.........172

InstallingorremovingtherearWi-Fi

antenna...............178

InstallingorremovingthefrontWi-Fi

antenna...............180

Replacingthekeyboard.........182

Replacingthemouse..........183

Completingthepartsreplacement.....183

Chapter11.ReplacingFRUs

(machinetypes:10AX,10AY,10DK,

10DL,10DM,and10DN).......185

Handlingstatic-sensitivedevices.......185

Installingorreplacinghardware........185

Installingexternaloptions........185

Installingorremovingtheacpoweradapter..186

Installingorremovingtheverticalstand...187

InstallingorremovingtheVESAmount

bracket................189

Installingorremovingtheacpoweradapter

bracket................191

Replacingtheopticaldrive........193

Replacingthesecondaryharddiskdrive...198

InstallingorremovingtheI/Obox.....204

Removingthecomputercover.......207

Installingorremovingtheharddiskdrive

assembly...............209

iiThinkCentreM73HardwareMaintenanceManual

Installingorreplacingamemorymodule...211

Replacingthebattery..........212

Replacingthepowerswitchboard.....214

ReplacingtheWi-Ficardmodule......215

InstallingorremovingthefrontWi-Fi

antenna...............217

InstallingorremovingtherearWi-Fi

antenna...............219

Replacingtheinternalspeaker.......221

Replacingthecoverpresenceswitch....223

Replacingthesystemfan.........225

Replacingthethermalmodule.......227

Replacingthemicroprocessor.......229

Replacingthesystemboard.......231

Replacingthekeyboardormouse.....234

Completingthepartsreplacement.....235

Chapter12.Additionalservice

information.............239

Securityfeatures..............239

Hardwarecontrolledpasswords......239

Operatingsystempassword.......239

Vitalproductdata............239

BIOSlevels................239

Flashupdateprocedures..........239

UpdatingtheBIOS...........240

RecoveringfromaPOST/BIOSupdate

failure................240

Recoveringfromasystemimagefailure...240

Powermanagement............241

Advancedconﬁgurationandpowerinterface

(ACPI)BIOS..............241

AutomaticPower-onfeatures.......241

AppendixA.Notices.........243

Televisionoutputnotice...........244

EuropeanconformanceCEmark.......244

Trademarks................244

Index.................245

©CopyrightLenovo2013,2015

iii

ivThinkCentreM73HardwareMaintenanceManual

Chapter1.Aboutthismanual

ThismanualprovidesserviceandreferenceinformationforThinkCentre

®

computerslistedonthefrontcover.

ThismanualisintendedonlyfortrainedservicepersonnelwhoarefamiliarwithLenovo

®

computerproducts.

BeforeservicingaLenovocomputerproduct,besuretoread“Importantsafetyinformation”onpage1.

Chapter7“Symptom-to-FRUIndex”onpage63

andChapter12“Additionalserviceinformation”onpage

239

arenotspeciﬁctoanymachinetypeandareapplicabletoallThinkCentrecomputers.

FormajorFieldReplaceableUnits(FRU)locationsandCustomerReplaceableUnit(CRU)identiﬁcation,

seeChapter8“Locations”onpage69.

ForFRUreplacementinstructions,seeChapter9“ReplacingFRUs(machinetypes:10B0,10B1,10B2,

10B3,10HJ,and10HK)”onpage89.

ForFRUpartnumbers,gotohttp:/www.lenovo.com/serviceparts-lookup.

Importantsafetyinformation

Besuretoreadallcautionanddangerstatementsinthisbookbeforeperforminganyoftheinstructions.

VeuillezliretouteslesconsignesdetypeDANGERetATTENTIONduprésentdocumentavantd'exécuter

lesinstructions.

LesenSieunbedingtalleHinweisevomTyp"ACHTUNG"oder"VORSICHT"indieserDokumentation,bevor

SieirgendwelcheVorgängedurchführen

LeggereleistruzioniintrodottedaATTENZIONEePERICOLOpresentinelmanualeprimadieseguireuna

qualsiasidelleistruzioni

Certiﬁque-sedelertodasasinstruçõesdecuidadoeperigonestemanualantesdeexecutarqualquer

umadasinstruções

Esimportantequeleatodaslasdeclaracionesdeprecauciónydepeligrodeestemanualantesdeseguir

lasinstrucciones.

©CopyrightLenovo2013,2015

1

2ThinkCentreM73HardwareMaintenanceManual

Chapter2.Safetyinformation

Thischaptercontainsthesafetyinformationthatyouneedtobefamiliarwithbeforeservicingacomputer.

Generalsafety

Followtheserulestoensuregeneralsafety:

•Observegoodhousekeepingintheareaofthemachinesduringandaftermaintenance.

•Whenliftinganyheavyobject:

1.Ensureyoucanstandsafelywithoutslipping.

2.Distributetheweightoftheobjectequallybetweenyourfeet.

3.Useaslowliftingforce.Nevermovesuddenlyortwistwhenyouattempttolift.

4.Liftbystandingorbypushingupwithyourlegmuscles;thisactionremovesthestrainfromthe

musclesinyourback.

Attention:

Donotattempttoliftanyobjectsthatweighmorethan16kg(35lb)orobjectsthatyouthinkare

tooheavyforyou.

•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

©CopyrightLenovo2013,2015

3

systems,networks,andmodemsbeforeyouopenthecomputercovers,unlessinstructedotherwise

intheinstallationandconﬁgurationprocedures.

Observethefollowingruleswhenworkingonelectricalequipment.

Important:Useonlyapprovedtoolsandtestequipment.Somehandtoolshavehandlescoveredwithasoft

materialthatdoesnotinsulateyouwhenworkingwithliveelectricalcurrents.Manycustomershave,near

theirequipment,rubberﬂoormatsthatcontainsmallconductiveﬁberstodecreaseelectrostaticdischarges.

Donotusethistypeofmattoprotectyourselffromelectricalshock.

•Findtheroomemergencypower-off(EPO)switch,disconnectingswitch,orelectricaloutlet.Ifanelectrical

accidentoccurs,youcanthenoperatetheswitchorunplugthepowercordquickly.

•Donotworkaloneunderhazardousconditionsornearequipmentthathashazardousvoltages.

•Disconnectallpowerbefore:

–Performingamechanicalinspection

–Workingnearpowersupplies

–RemovingorinstallingFieldReplaceableUnits(FRUs)

•Beforeyoustarttoworkonthemachine,unplugthepowercord.Ifyoucannotunplugit,askthecustomer

topower-offthewallboxthatsuppliespowertothemachineandtolockthewallboxintheoffposition.

•Ifyouneedtoworkonamachinethathasexposedelectricalcircuits,observethefollowingprecautions:

–Ensurethatanotherperson,familiarwiththepower-offcontrols,isnearyou.

Remember:Anotherpersonmustbetheretoswitchoffthepower,ifnecessary.

–Useonlyonehandwhenworkingwithpowered-onelectricalequipment;keeptheotherhandinyour

pocketorbehindyourback.

Remember:Theremustbeacompletecircuittocauseelectricalshock.Byobservingtheaboverule,

youmaypreventacurrentfrompassingthroughyourbody.

–Whenusingatester,setthecontrolscorrectlyandusetheapprovedprobeleadsandaccessoriesfor

thattester.

–Standonsuitablerubbermats(obtainedlocally,ifnecessary)toinsulateyoufromgroundssuchas

metalﬂoorstripsandmachineframes.

Observethespecialsafetyprecautionswhenyouworkwithveryhighvoltages;theseinstructionsarein

thesafetysectionsofmaintenanceinformation.Useextremecarewhenmeasuringhighvoltages.

•Regularlyinspectandmaintainyourelectricalhandtoolsforsafeoperationalcondition.

•Donotusewornorbrokentoolsandtesters.

•Neverassumethatpowerhasbeendisconnectedfromacircuit.First,checkthatithasbeenpowered-off.

•Alwayslookcarefullyforpossiblehazardsinyourworkarea.Examplesofthesehazardsaremoistﬂoors,

nongroundedpowerextensioncables,powersurges,andmissingsafetygrounds.

•Donottouchliveelectricalcircuitswiththereﬂectivesurfaceofaplasticdentalmirror.Thesurfaceis

conductive;suchtouchingcancausepersonalinjuryandmachinedamage.

•Donotservicethefollowingpartswiththepoweronwhentheyareremovedfromtheirnormaloperating

placesinamachine:

–Powersupplyunits

–Pumps

–Blowersandfans

–Motorgenerators

andsimilarunits.(Thispracticeensurescorrectgroundingoftheunits.)

•Ifanelectricalaccidentoccurs:

4ThinkCentreM73HardwareMaintenanceManual

–Usecaution;donotbecomeavictimyourself.

–Switchoffpower.

–Sendanotherpersontogetmedicalaid.

Safetyinspectionguide

Theintentofthisinspectionguideistoassistyouinidentifyingpotentiallyunsafeconditionsonthese

products.Eachmachine,asitwasdesignedandbuilt,hadrequiredsafetyitemsinstalledtoprotectusers

andservicepersonnelfrominjury.Thisguideaddressesonlythoseitems.However,goodjudgmentshould

beusedtoidentifypotentialsafetyhazardsduetoattachmentoffeaturesoroptionsnotcoveredbythis

inspectionguide.

Ifanyunsafeconditionsarepresent,youmustdeterminehowserioustheapparenthazardcouldbeand

whetheryoucancontinuewithoutﬁrstcorrectingtheproblem.

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.Thepowercordshouldbetheappropriatetypeasspeciﬁedinthepartslistings.

c.Insulationmustnotbefrayedorworn.

4.Removethecover.

5.Checkforanyobviousalterations.Usegoodjudgmentastothesafetyofanyalterations.

6.Checkinsidetheunitforanyobviousunsafeconditions,suchasmetalﬁlings,contamination,wateror

otherliquids,orsignsofﬁreorsmokedamage.

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-speciﬁcESDprocedureswhentheyexceedtherequirementsnotedhere.

2.MakesurethattheESDprotectivedevicesyouusehavebeencertiﬁed(ISO9000)asfullyeffective.

Chapter2.Safetyinformation5

WhenhandlingESD-sensitiveparts:

•Keepthepartsinprotectivepackagesuntiltheyareinsertedintotheproduct.

•Avoidcontactwithotherpeoplewhilehandlingthepart.

•Wearagroundedwriststrapagainstyourskintoeliminatestaticonyourbody.

•Preventthepartfromtouchingyourclothing.Mostclothingisinsulativeandretainsachargeeven

whenyouarewearingawriststrap.

•Usetheblacksideofagroundedworkmattoprovideastatic-freeworksurface.Thematisespecially

usefulwhenhandlingESD-sensitivedevices.

•Selectagroundingsystem,suchasthoselistedbelow,toprovideprotectionthatmeetsthespeciﬁc

servicerequirement.

Note:TheuseofagroundingsystemisdesirablebutnotrequiredtoprotectagainstESDdamage.

–AttachtheESDgroundcliptoanyframeground,groundbraid,orgreen-wireground.

–UseanESDcommongroundorreferencepointwhenworkingonadouble-insulatedor

battery-operatedsystem.Youcanusecoaxorconnector-outsideshellsonthesesystems.

–Usetheroundground-prongoftheacplugonac-operatedcomputers.

Groundingrequirements

Electricalgroundingofthecomputerisrequiredforoperatorsafetyandcorrectsystemfunction.Proper

groundingoftheelectricaloutletcanbeveriﬁedbyacertiﬁedelectrician.

Safetynotices(multi-lingualtranslations)

Thecautionanddangersafetynoticesinthissectionareprovidedinthefollowinglanguages:

•English

•Arabic

•Brazilian/Portuguese

•Chinese(simpliﬁed)

•Chinese(traditional)

•French

•German

•Hebrew

•Italian

•Korean

•Spanish

DANGER

Electricalcurrentfrompower,telephoneandcommunicationcablesishazardous.

Toavoidashockhazard:

6ThinkCentreM73HardwareMaintenanceManual

•Donotconnectordisconnectanycablesorperforminstallation,maintenance,orreconﬁguration

ofthisproductduringanelectricalstorm.

•Connectallpowercordstoaproperlywiredandgroundedelectricaloutlet.

•Connecttoproperlywiredoutletsanyequipmentthatwillbeattachedtothisproduct.

•Whenpossible,useonehandonlytoconnectordisconnectsignalcables.

•Neverturnonanyequipmentwhenthereisevidenceofﬁre,water,orstructuraldamage.

•Disconnecttheattachedpowercords,telecommunicationssystems,networks,andmodems

beforeyouopenthedevicecovers,unlessinstructedotherwiseintheinstallationandconﬁguration

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.

CAUTION:

Whenlaserproducts(suchasCD-ROMs,DVD-ROMdrives,ﬁberopticdevices,ortransmitters)are

installed,notethefollowing:

•Donotremovethecovers.Removingthecoversofthelaserproductcouldresultinexposureto

hazardouslaserradiation.Therearenoserviceablepartsinsidethedevice.

•Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthosespeciﬁedherein

mightresultinhazardousradiationexposure.

Chapter2.Safetyinformation7

DANGER

SomelaserproductscontainanembeddedClass3AorClass3Blaserdiode.Notethefollowing:

Laserradiationwhenopen.Donotstareintothebeam,donotviewdirectlywithoptical

instruments,andavoiddirectexposuretothebeam.

≥18kg(37lbs)≥32kg(70.5lbs)≥55kg(121.2lbs)

CAUTION:

Usesafepracticeswhenlifting.

CAUTION:

Thepowercontrolbuttononthedeviceandthepowerswitchonthepowersupplydonotturnoff

theelectricalcurrentsuppliedtothedevice.Thedevicealsomighthavemorethanonepower

cord.Toremoveallelectricalcurrentfromthedevice,ensurethatallpowercordsaredisconnected

fromthepowersource.

1

2

8ThinkCentreM73HardwareMaintenanceManual

Chapter2.Safetyinformation9

≥18kg(37lbs)≥32kg(70.5lbs)≥55kg(121.2lbs)

1

2

PERIGO

Acorrenteelétricaprovenientedecabosdealimentação,detelefoneedecomunicaçõeséperigosa.

10ThinkCentreM73HardwareMaintenanceManual

Paraevitarriscodechoqueelétrico:

•Nãoconectenemdesconectenenhumcaboouexecuteinstalação,manutençãooureconﬁguração

desteprodutoduranteumatempestadecomraios.

•Conectetodososcabosdealimentaçãoatomadaselétricascorretamenteinstaladaseaterradas.

•Todoequipamentoqueforconectadoaesteprodutodeveserconectadoatomadascorretamente

instaladas.

•Quandopossível,utilizeapenasumadasmãosparaconectaroudesconectarcabosdesinal.

•Nuncaliguenenhumequipamentoquandohouverevidênciadefogo,águaoudanosestruturais.

•Antesdeabrirtampasdedispositivos,desconectecabosdealimentação,sistemasdetelecomunicação,

redesemodemsconectados,amenosqueespeciﬁcadodemaneiradiferentenosprocedimentosde

instalaçãoeconﬁguração.

•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.

CUIDADO:

Aosubstituirabateriadelítio,utilizeapenasumabateriacomNúmerodePeça45C1566ouumtipo

debateriaequivalenterecomendadopeloSeoseusistemapossuiummódulocomumabateriade

lítio,substitua-oapenasporummódulodomesmotipoedomesmofabricante.Abateriacontémlítio

epodeexplodirsenãoforutilizada,manuseadaoudescartadademaneiracorreta.

Não:

•Jogueoucoloquenaágua

•Aqueçaamaisde100°C(212°F)

•Consertenemdesmonte

Descarteabateriaconformerequeridopelasleisouregulamentoslocais.

PRECAUCIÓN:

Quandoprodutosalaser(comounidadesdeCD-ROMs,unidadesdeDVD-ROM,dispositivosdeﬁbraótica

outransmissores)estivereminstalados,observeoseguinte:

•Nãoremovaastampas.Aremoçãodastampasdeumprodutoalaserpoderesultaremexposição

prejudicialàradiaçãodelaser.Nãoexistempeçasquepodemserconsertadasnointeriordodispositivo.

Chapter2.Safetyinformation11

•Autilizaçãodecontrolesouajustesouaexecuçãodeprocedimentosdiferentesdosespeciﬁcadosaqui

poderesultaremexposiçãoprejudicialàradiação.

PERIGO

AlgunsprodutosalasercontêmdiododelaserintegradodaClasse3AoudaClasse3B.Observeoseguinte:

Radiaçãoalaserquandoaberto.Nãoolhediretamenteparaofeixeaolhonuoucominstrumentosópticose

eviteexposiçãodiretaaofeixe.

≥18kg(37lbs)≥32kg(70.5lbs)≥55kg(121.2lbs)

CUIDADO:

Utilizeprocedimentosdesegurançaparalevantarequipamentos.

CUIDADO:

Obotãodecontroledealimentaçãododispositivoeobotãoparaligar/desligardafontedealimentação

nãodesligamacorrenteelétricafornecidaaodispositivo.Odispositivotambémpodetermaisdeumcabo

dealimentação.Pararemovertodaacorrenteelétricadodispositivo,assegurequetodososcabosde

alimentaçãoestejamdesconectadosdafontedealimentação.

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12ThinkCentreM73HardwareMaintenanceManual

Chapter2.Safetyinformation13

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14ThinkCentreM73HardwareMaintenanceManual

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Lenovo ThinkCentre M73 10B2, ThinkCentre M73 10B0, ThinkCentre M73 10B1, ThinkCentre M73 10B3 Hardware Maintenance Manual

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