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- Table des matières
- DEPANNAGE
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
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:
2ThinkCentreM83zHardwareMaintenanceManual
- ThinkCentreM83z 1
- HardwareMaintenanceManual 1
- SecondEdition(June2014) 2
- GS-35F-05925 2
- Contents 3
- Chapter9.Additionalservice 4
- AppendixA.Notices.........125 4
- Index.................127 4
- Aboutthismanual 5
- Chapter1.Safetyinformation 7
- Safetyinspectionguide 9
- Groundingrequirements 10
- Chapter1.Safetyinformation5 11
- .Safetyinformation7 13
- Chapter1.Safetyinformation9 15
- .Safetyinformation11 17
- .Safetyinformation13 19
- Chapter1.Safetyinformation15 21
- ≥18kg≥32kg≥55kg 23
- .Safetyinformation19 25
- Chapter1.Safetyinformation23 29
- Chapter2.Generalinformation 33
- Lenovoprograms 34
- LenovoSupportWebsite 35
- Chapter3.Generalcheckout 37
- Basictroubleshooting 39
- Troubleshootingprocedure 40
- Troubleshooting 41
- Audioproblems 41
- CDproblems 43
- DVDproblems 44
- Intermittentproblems 45
- Harddiskdriveproblems 45
- Monitorproblems 48
- Theimageappearstobeflickering 49
- Theimageisdiscolored 49
- Networkingproblems 50
- Optionproblems 52
- Performanceandlockupproblems 53
- Printerproblems 55
- Serialconnectorproblems 55
- Softwareproblems 56
- USBproblems 57
- Diagnostics 57
- LenovoSolutionCenter 57
- UEFIdiagnosticprogram 58
- Viewingandchangingsettings 59
- Usingpasswords 59
- Passwordconsiderations 60
- Power-onpassword 60
- Administratorpassword 60
- Enablingordisablingadevice 61
- Selectingastartupdevice 61
- EnablingErPLPScompliancemode 62
- ExitingtheSetupUtilityprogram 63
- Chapter6.Symptom-to-FRUindex 65
- POSTerrorcodes 66
- Miscellaneouserrorconditions 67
- Undeterminedproblems 69
- Chapter7.Locations 71
- .Locations67 73
- LocatingmajorFRUsandCRUs 74
- .Locations69 75
- LookingupFRUinformation 76
- Locatingpartsonthesystemboard 77
- Chapter8.ReplacingFRUs 79
- Figure5.Removingtheframestand 80
- 1.Then,installthe 81
- Chapter8.ReplacingFRUs75 81
- Removingthecomputercover 82
- Chapter8.ReplacingFRUs77 83
- Chapter8.ReplacingFRUs79 85
- Chapter8.ReplacingFRUs81 87
- Replacingtheopticaldrive 89
- Replacingtheconverterboard 91
- ReplacingtherearI/Oassembly 93
- Chapter8.ReplacingFRUs89 95
- 1alignwiththe 96
- Replacingtheinternalspeakers 97
- .ReplacingFRUs93 99
- Chapter8.ReplacingFRUs95 101
- Replacingthesystemfan 103
- Replacingtheintegratedcamera 104
- .ReplacingFRUs99 105
- Replacingtheheatsinkassembly 106
- Chapter8.ReplacingFRUs101 107
- Replacingthemicroprocessor 108
- .ReplacingFRUs103 109
- 2onthemicroprocessor 110
- Chapter8.ReplacingFRUs105 111
- Replacingthebattery 113
- Replacingthecardreader 114
- ReplacingtheWi-Ficard 115
- Figure48.RemovingtheWi-Ficard 116
- .ReplacingFRUs111 117
- Replacingthesystemboard 118
- Chapter8.ReplacingFRUs113 119
- ReplacingtheLCDpanel 120
- Chapter8.ReplacingFRUs115 121
- Chapter8.ReplacingFRUs117 123
- Completingthepartsreplacement 125
- ©CopyrightLenovo2014 127
- Powermanagement 130
- AutomaticPower-onfeatures 130
- AppendixA.Notices 131
- Televisionoutputnotice 132
- EuropeanconformanceCEmark 132
- Trademarks 132
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