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1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.
2.Removethecomputercover.See“Removingthecomputercover”onpage34.
3.Laythecomputeronitssideforeasieraccesstothesystemboard.
4.Locatetheheatsinkandfanassembly.See“Locatingpartsonthesystemboard”onpage12.
5.Disconnecttheheatsinkandfanassemblycablefromthemicroprocessorfanconnectoronthesystem
board.See“Locatingpartsonthesystemboard”onpage12.
6.Followthissequencetoremovethefourscrewsthatsecuretheheatsinkandfanassemblytothe
systemboard:
a.Partiallyremovescrew1,thenfullyremovescrew2,andthenfullyremovescrew1.
b.Partiallyremovescrew3,thenfullyremovescrew4,andthenfullyremovescrew3.
Note:Carefullyremovethefourscrewsfromthesystemboardtoavoidanypossibledamagetothe
systemboard.Thefourscrewscannotberemovedfromtheheatsinkandfanassembly.
Figure33.Removingtheheatsinkandfanassembly
7.Liftthefailingheatsinkandfanassemblyoffthesystemboard.
Notes:
a.Youmighthavetogentlytwisttheheatsinkandfanassemblytofreeitfromthemicroprocessor.
b.Donottouchthethermalgreasewhilehandlingtheheatsinkandfanassembly.
8.Positionthenewheatsinkandfanassemblyonthesystemboardsothatthefourscrewsarealigned
withtheholesonthesystemboard.
Note:Positionthenewheatsinkandfanassemblysothattheheatsinkandfanassemblycableis
towardthemicroprocessorfanconnectoronthesystemboard.
9.Followthefollowingsequencetoinstallthefourscrewstosecurethenewheatsinkandfanassembly.
Donotover-tightenthescrews.
a.Partiallytightenscrew1,thenfullytightenscrew2,andthenfullytightenscrew1.
50ThinkCentreUserGuide
- ThinkCentre 1
- UserGuide 1
- ThirdEdition(May2012) 2
- Contents 3
- Importantsafetyinformation 7
- Powercordsandpoweradapters 8
- Plugsandoutlets 9
- Externaldevices 9
- Heatandproductventilation 9
- Operatingenvironment 10
- Modemsafetyinformation 10
- Lasercompliancestatement 11
- Powersupplystatement 11
- Cleaningandmaintenance 11
- Chapter1.Productoverview 13
- Chapter1.Productoverview3 15
- Specications 17
- Softwareoverview 17
- SoftwareprovidedbyLenovo 17
- LenovoThinkVantageTools 18
- LenovoWelcome 18
- FingerprintSoftware 18
- ProductRecovery 18
- SimpleTap 18
- ThinkVantagePasswordManager 19
- ThinkVantagePowerManager 19
- ThinkVantageRescueandRecovery 19
- ThinkVantageSystemUpdate 19
- CommunicationsUtility 19
- Locations 20
- AdobeReader 20
- Antivirussoftware 20
- .Productoverview9 21
- 10ThinkCentreUserGuide 22
- .Productoverview11 23
- Locatingcomponents 24
- Locatingpartsonthesystemboard 24
- .Productoverview13 25
- 14ThinkCentreUserGuide 26
- Locatinginternaldrives 27
- Machinetypeandmodellabel 28
- Chapter2.Usingyourcomputer 29
- Usingangerprintreader 30
- Usingthewheelmouse 30
- Adjustingaudio 30
- Aboutyourcomputeraudio 31
- UsingCDsandDVDs 31
- PlayingaCDorDVD 32
- RecordingaCDorDVD 32
- Support”onpage127 33
- .Usingyourcomputer21 33
- 22ThinkCentreUserGuide 34
- Chapter3.Youandyourcomputer 35
- Glareandlighting 36
- Aircirculation 36
- Registeringyourcomputer 37
- Voltage-selectionswitch 37
- Replacementpowercords 38
- Chapter4.Security 39
- Lockingthecomputercover 40
- Attachingacablelock 41
- BIOSpasswords 42
- Windowspasswords 43
- Conguringthengerprintreader 43
- Usingandunderstandingrewalls 43
- Protectingdataagainstviruses 43
- 32ThinkCentreUserGuide 44
- Installingorreplacinghardware 45
- Installingexternaloptions 45
- Removingthecomputercover 46
- InstallingorreplacingaPCIcard 47
- 1toopenthecardlatch2 48
- Figure14.RemovingaPCIcard 49
- Figure15.InstallingaPCIcard 50
- 1onthememory 52
- Installingthecardreader 55
- Replacingthecardreader 57
- Replacingthebattery 58
- Replacingthemicroprocessor 63
- 52ThinkCentreUserGuide 64
- 2onthemicroprocessor 65
- Installingthesolidstatedrive 66
- 56ThinkCentreUserGuide 68
- 58ThinkCentreUserGuide 70
- 1,pin2,pin3 74
- Replacingthefrontfanassembly 77
- Replacingtherearfanassembly 78
- Replacingtheinternalspeaker 81
- Replacingthethermalsensor 83
- 72ThinkCentreUserGuide 84
- 1inthechassis.Then 85
- 1and2inthe 85
- 74ThinkCentreUserGuide 86
- ReplacingtheWiFiunits 87
- 1toopenthePCIcardlatch2 89
- RemovingtheWiFicardmodule 90
- InstallingtheWiFiunits 91
- 80ThinkCentreUserGuide 92
- InstallingtherearWiFiantenna 94
- RemovingtherearWiFiantenna 94
- InstallingthefrontWiFiantenna 95
- 84ThinkCentreUserGuide 96
- Replacingthekeyboardormouse 97
- Completingthepartsreplacement 98
- Obtainingdevicedrivers 99
- 88ThinkCentreUserGuide 100
- Chapter6.Recoveryinformation 101
- Usingrecoverymedia 102
- Performingabackupoperation 102
- Performingarecoveryoperation 103
- Creatingandusingarescuemedium 104
- Creatingarescuemedium 104
- Usingarescuemedium 104
- Reinstallingsoftwareprograms 106
- Reinstallingdevicedrivers 106
- Solvingrecoveryproblems 106
- .Recoveryinformation95 107
- 96ThinkCentreUserGuide 108
- Viewingandchangingsettings 109
- Usingpasswords 109
- Passwordconsiderations 110
- Power-OnPassword 110
- AdministratorPassword 110
- HardDiskPassword 110
- Enablingordisablingadevice 111
- Selectingastartupdevice 112
- EnablingErPcompliancemode 112
- ICEperformancemode 113
- ICEthermalalert 113
- ExitingtheSetupUtilityprogram 114
- Usingsystemprograms 115
- ThinkCentreUserGuide 116
- Chapter9.Preventingproblems 117
- UsingSystemUpdate 118
- Cleaningyourcomputer 119
- Goodmaintenancepractices 120
- Movingyourcomputer 120
- Basictroubleshooting 121
- Troubleshootingprocedure 122
- Troubleshooting 122
- Audioproblems 123
- CDproblems 124
- DVDproblems 125
- DVDmoviewillnotplay 126
- Playbackisverysloworchoppy 126
- Intermittentproblems 127
- Monitorproblems 128
- Networkingproblems 130
- AwirelessLANproblem 132
- AwirelessWANproblem 132
- Bluetoothproblems 132
- Optionproblems 133
- Performanceandlockupproblems 134
- Printerproblems 135
- Serialportproblems 135
- Softwareproblems 136
- USBproblems 137
- LenovoSolutionCenter 137
- 126ThinkCentreUserGuide 138
- ©CopyrightLenovo2012 139
- LenovoSupportWebsite 140
- Helpandservice 140
- Callingforservice 140
- Usingotherservices 141
- Purchasingadditionalservices 141
- 130ThinkCentreUserGuide 142
- AppendixA.Notices 143
- Trademarks 144
- Exportclassicationnotice 145
- Electronicemissionsnotices 145
- 136ThinkCentreUserGuide 148
- Recyclinginformation 149
- RecyclinginformationforBrazil 150
- 140ThinkCentreUserGuide 152
- AppendixD.EkBilgiler 153
- AppendixE.Servisistasyonlari 155
- 150ThinkCentreUserGuide 162
- 152ThinkCentreUserGuide 164
- 154ThinkCentreUserGuide 166
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