Lenovo ThinkCentre M91p Hardware Maintenance Manual

ThinkCentre

HardwareMaintenanceManual

MachineTypes:4466,4468,4471,4473,4474,4476,4477,4479,

4480,4485,4495,4496,4497,4498,4499,4503,4504,4512,4513,

4514,4517,4518,4524,4554,7005,7021,7023,7032,7033,7034,

7035,7049,7052,7053,7072,7073,7079,7136,7177,and7178

ThinkCentre

HardwareMaintenanceManual

MachineTypes:4466,4468,4471,4473,4474,4476,4477,4479,

4480,4485,4495,4496,4497,4498,4499,4503,4504,4512,4513,

4514,4517,4518,4524,4554,7005,7021,7023,7032,7033,7034,

7035,7049,7052,7053,7072,7073,7079,7136,7177,and7178

Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadandunderstandChapter2

“Safetyinformation”onpage3andAppendixA“Notices”onpage479.

FourthEdition(February2012)

©CopyrightLenovo2011,2012.

LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwarearedeliveredpursuantaGeneralServices

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

GS-35F-05925.

Contents

Chapter1.Aboutthismanual......1

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

ImportantinformationaboutreplacingRoHS

compliantFRUs...............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

LenovoThinkVantageToolbox........33

ThinkVantageProductivityCenter.......34

Additionalinformationresources.......34

Specications...............34

Formachinetypes:4468,4473,4476,4479,

4495,4497,4499,4504,4513,4517,4524,

7021,7032,7034,7049,7052,7053,7073,

7136,and7178.............34

Formachinetypes:4466,4471,4474,4477,

4480,4485,4496,4498,4503,4512,4514,

4518,4554,7005,7023,7033,7035,7072,

7079,and7177.............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

HardDiskPassword...........44

Setting,changing,ordeletingapassword..44

Erasinglostorforgottenpasswords(clearing

CMOS)................45

Enablingordisablingadevice........45

Selectingastartupdevice..........46

Selectingatemporarystartupdevice....46

Selectingorchangingthestartupdevice

sequence...............46

Smartperformancechoices.........46

ExitingtheSetupUtilityprogram.......47

Chapter7.Symptom-to-FRUindex..49

Harddiskdrivebooterror..........49

PowerSupplyProblems...........49

Diagnosticerrorcodes...........49

Beepsymptoms..............67

POSTerrorcodes.............68

Miscellaneouserrormessages........69

Undeterminedproblems...........71

Chapter8.ReplacingFRUs(Machine

Types:4468,4473,4476,4479,4495,

4497,4499,4504,4513,4517,4524,

7021,7032,7034,7049,7052,7053,

7073,7136,and7178.).........73

Locations.................73

Locatingconnectors,controls,andindicators

onthefrontofyourcomputer.......74

Locatingconnectorsontherearofyour

computer...............75

Locatingcomponents..........76

Locatingpartsonthesystemboard....77

Locatinginternaldrives.........78

Handlingstatic-sensitivedevices.......78

Installingorreplacinghardware........79

Removingthecomputercover.......79

Removingandreinstallingthefrontbezel..80

InstallingorreplacingaPCIcard......81

Installingorreplacingamemorymodule...84

Installingorreplacingtheopticaldrive...86

©CopyrightLenovo2011,2012

iii

Installingorreplacingthecardreader....88

Replacingthebattery..........92

Replacingthepowersupplyassembly...93

Replacingtheheatsinkandfanassembly..95

Replacingthemicroprocessor.......97

Replacingthesystemboard.......100

Replacingtheprimaryharddiskdrive....103

Replacingthesecondaryharddiskdrive...105

Replacingthefrontfanassembly.....107

Replacingtherearfanassembly......108

ReplacingthefrontaudioandUSB

assembly...............110

Replacingtheinternalspeaker.......111

Completingthepartsreplacement.....113

Chapter9.ReplacingFRUs(Machine

Types:4466,4471,4474,4477,4480,

4485,4496,4498,4503,4512,4514,

4518,4554,7005,7023,7033,7035,

7072,7079,and7177.)........115

Locations.................115

Locatingconnectors,controls,andindicators

onthefrontofyourcomputer.......116

Locatingconnectorsontherearofyour

computer...............117

Locatingcomponents..........118

Locatingpartsonthesystemboard....119

Locatinginternaldrives.........120

Handlingstatic-sensitivedevices.......120

Installingorreplacinghardware........121

Openingthecomputercover.......121

Removingandreinstallingthefrontbezel..122

Accessingthesystemboardcomponentsand

drives................124

Installingorreplacingamemorymodule...125

InstallingorreplacingaPCIcard......126

Installingorreplacingthecardreader....128

Replacingthebattery..........133

Replacingtheharddiskdrive.......134

Replacingtheopticaldrive........137

Replacingtheheatsinkandfanassembly..139

Replacingthepowersupplyassembly...142

Replacingthemicroprocessor.......147

Replacingthesystemboard.......150

Replacingthesystemfanassembly....153

Replacingtheinternalspeaker.......155

ReplacingthefrontaudioandUSB

assembly...............159

Completingthepartsreplacement.....160

Chapter10.FRUlists........163

Overall:MT4468,4473,4476,4479,4495,4497,

4499,4504,4513,4517,4524,7021,7032,7034,

7049,7052,7053,7073,7136,and7178....163

MechanicalFRUs.............182

KeyboardandMouse............194

AdaptersandmiscellaneousFRUs.......250

PowerCords...............254

Recoverydiscs..............266

Windows7Professional32RecoveryCD..266

Windows7HomeBasic32RecoveryCD..275

Windows7HomePremium32Recovery

CD.................278

Windows7HomePremium64Recovery

CD.................278

Windows7Professional64RecoveryCD..283

WindowsXPProfessional32RecoveryCD..291

WindowsXPProfessionallyGeneric32

RecoveryCD.............296

WindowsVistaBusiness32RecoveryCD..298

WindowsVistaHomeBasic32Recovery

CD.................299

Overall:MT4466,4471,4474,4477,4480,4485,

4496,4498,4503,4512,4514,4518,4554,7005,

7023,7033,7035,7072,7079,and7177....301

MechanicalFRUs.............326

KeyboardandMouse............344

AdaptersandmiscellaneousFRUs.......412

PowerCords...............416

Recoverydiscs..............431

Windows7Professional32RecoveryCD..431

Windows7HomeBasic32RecoveryCD..442

Windows7HomePremium32Recovery

CD.................445

Windows7HomePremium64Recovery

CD.................446

Windows7Professional64RecoveryCD..451

WindowsXPProfessional32RecoveryCD..461

WindowsXPProfessionallyGeneric32

RecoveryCD.............468

WindowsVistaBusiness32RecoveryCD..471

WindowsVistaHomeBasic32Recovery

CD.................472

Chapter11.Additionalservice

information.............475

Securityfeatures..............475

Hardware-controlledpasswords......475

Operatingsystempassword.......475

VitalProductData...........475

BIOSlevels................475

Updating(ashing)theBIOSfromadisc....475

Updating(ashing)theBIOSfromyouroperating

system..................476

ivThinkCentreHardwareMaintenanceManual

RecoveringfromaPOSTandBIOSupdate

failure..................476

Powermanagement............477

AdvancedCongurationandPowerInterface

(ACPI)BIOS..............477

AutomaticPower-Onfeatures.......477

AppendixA.Notices.........479

Televisionoutputnotice...........480

EuropeanconformanceCEmark.......480

Trademarks................480

Index.................481

©CopyrightLenovo2011,2012

v

viThinkCentreHardwareMaintenanceManual

Chapter1.Aboutthismanual

ThismanualcontainsserviceandreferenceinformationforThinkCentre

®

computermachinetypeslistedon

thefrontcover.ThismanualisintendedonlyfortrainedServiceProviderswhoarefamiliarwithLenovo

®

computerproducts.

Note:BesuretoreadandunderstandtheChapter2“Safetyinformation”onpage3

beforeusingthe

informationinthismanual.

The“Symptom-to-FRUIndex”chapterandthe“Additionalserviceinformation”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.

ImportantinformationaboutreplacingRoHScompliantFRUs

RoHS,theRestrictionofHazardousSubstancesinElectricalandElectronicEquipmentDirective

(2002/95/EC)isaEuropeanUnionlegalrequirementaffectingtheglobalelectronicsindustry.RoHS

requirementsmustbeimplementedonLenovoproductsplacedonthemarketandsoldinthe

EuropeanUnionafterJune,2006.ProductsonthemarketbeforeJune,2006arenotrequiredto

haveRoHScompliantparts.Ifthepartsarenotcompliantoriginally,replacementpartscanalso

©CopyrightLenovo2011,2012

1

benoncompliant,butinallcases,ifthepartsarecompliant,thereplacementpartsmustalsobe

compliant.

Note:RoHSandnon-RoHSFRUpartnumberswiththesametandfunctionareidentiedwithunique

FRUpartnumbers.

LenovoplanstotransitiontoRoHScompliancewellbeforetheimplementationdateandexpectsitssuppliers

tobereadytosupportLenovo'srequirementsandscheduleintheEU.Productssoldin2005willcontain

someRoHScompliantFRUs.ThefollowingstatementpertainstotheseproductsandanyproductLenovo

producescontainingRoHScompliantparts.

RoHScompliantThinkCentrepartshaveuniqueFRUpartnumbers.BeforeorafterJune2006,failedRoHS

compliantpartsmustalwaysbereplacedusingRoHScompliantFRUs,soonlytheFRUsidentiedas

compliantinthesystemhardwaremaintenancemanualordirectsubstitutionsforthoseFRUscanbeused.

ProductsmarketedbeforeJune2006ProductsmarketedafterJune2006

Currentororiginalpart

ReplacementFRU

Currentororiginalpart

ReplacementFRU

Non-RoHSCanbeNon-RoHS

Non-RoHSCanbeRoHS

Non-RoHSCansubstitutetoRoHS

RoHSMustbeRoHS

MustbeRoHSMustbeRoHS

Note:AdirectsubstitutionisapartwithadifferentFRUpartnumberthatisautomaticallyshippedbythe

distributioncenteratthetimeoforder.

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(37lbs)≥32kg(70.5lbs)≥55kg(121.2lbs)

CAUTION:

Usesafepracticeswhenlifting.

CAUTION:

Thepowercontrolbuttononthedeviceandthepowerswitchonthepowersupplydonotturnoff

theelectricalcurrentsuppliedtothedevice.Thedevicealsomighthavemorethanonepower

cord.Toremoveallelectricalcurrentfromthedevice,ensurethatallpowercordsaredisconnected

fromthepowersource.

1

2

8ThinkCentreHardwareMaintenanceManual

Chapter2.Safetyinformation9

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

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(37lbs)≥32kg(70.5lbs)≥55kg(121.2lbs)

CUIDADO:

Utilizeprocedimentosdesegurançaparalevantarequipamentos.

12ThinkCentreHardwareMaintenanceManual

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Lenovo ThinkCentre M91p Hardware Maintenance Manual

Lenovo ThinkCentre M91p Hardware Maintenance Manual

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