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4.Disconnecttheinternalspeakercablefromthesystemboard.See“Locatingpartsonthesystem
board”onpage10.
5.Presstheinternalspeakerlocklatch1,slidetheinternalspeakerdownwardstoremoveitfromthe
chassis.
Figure28.Removingtheinternalspeaker
6.Positionthenewinternalspeakerintothemetalclips2andpushtheinternalspeakerupwardsuntilitis
securedbythelocklatch
1.
7.Connectthenewinternalspeakercabletothesystemboard.See“Locatingpartsonthesystem
board”onpage10.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage51.
ReplacingthefrontaudioandUSBassembly
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
intheThinkCentreSafetyandWarrantyGuidethatcamewithyourcomputer.ToobtainacopyoftheThinkCentre
SafetyandWarrantyGuide,goto:
http://www.lenovo.com/support
ThissectionprovidesinstructionsonhowtoreplacethefrontaudioandUSBassembly.
ToreplacethefrontaudioandUSBassembly,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Openthecomputercover.See“Openingthecomputercover”onpage28.
3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage28.
44ThinkCentreUserGuide
- ThinkCentre 1
- UserGuide 1
- Contents 5
- AppendixB.WEEEandrecycling 7
- AppendixD.Notices........107 7
- Index.................109 7
- Importantsafetyinformation 9
- Powercordsandpoweradapters 10
- Plugsandoutlets 11
- Externaldevices 11
- Heatandproductventilation 11
- Operatingenvironment 12
- Modemsafetyinformation 12
- Lasercompliancestatement 13
- Powersupplystatement 13
- Cleaningandmaintenance 13
- Chapter1.Productoverview 15
- Chapter1.Productoverview3 17
- Specications 18
- Softwareoverview 18
- SoftwareprovidedbyLenovo 18
- FingerprintSoftware 19
- AdobeReader 21
- Antivirussoftware 21
- Locations 21
- 8ThinkCentreUserGuide 22
- .Productoverview9 23
- Locatingcomponents 24
- Locatingpartsonthesystemboard 24
- Machinetypeandmodellabel 25
- 12ThinkCentreUserGuide 26
- Chapter2.Usingyourcomputer 27
- Usingangerprintreader 28
- Usingthewheelmouse 28
- Adjustingaudio 29
- Aboutyourcomputeraudio 29
- UsingCDsandDVDs 30
- PlayingaCDorDVD 30
- RecordingaCDorDVD 31
- 18ThinkCentreUserGuide 32
- Chapter3.Youandyourcomputer 33
- Glareandlighting 34
- Aircirculation 34
- Voltage-selectionswitch 35
- Replacementpowercords 35
- 22ThinkCentreUserGuide 36
- Chapter4.Security 37
- Usingpasswords 38
- BIOSpasswords 38
- Windowspasswords 39
- SettingtheSecurityChip 39
- Usingandunderstandingrewalls 40
- Protectingdataagainstviruses 40
- Installingorreplacinghardware 41
- Installingexternaloptions 41
- Openingthecomputercover 42
- Replacingtheharddiskdrive 46
- 1,pin2,pin3,and 47
- Replacingtheopticaldrive 48
- Replacingthebattery 49
- Replacingtheheatsink 50
- Figure20.Removingtheheatsink 51
- Replacingthemicroprocessor 52
- 2onthemicroprocessor 54
- Replacingthesystemfanassembly 55
- Replacingtheinternalspeaker 57
- Replacingtheacpoweradapter 61
- Replacingthekeyboardormouse 65
- Completingthepartsreplacement 65
- Obtainingdevicedrivers 66
- Chapter6.Recoveryinformation 67
- Usingrecoverymedia 68
- Performingabackupoperation 68
- Performingarecoveryoperation 69
- Creatingandusingarescuemedium 70
- Creatingarescuemedium 70
- Usingarescuemedium 71
- Reinstallingsoftwareprograms 72
- Reinstallingdevicedrivers 73
- Solvingrecoveryproblems 73
- 60ThinkCentreUserGuide 74
- Viewingandchangingsettings 75
- Passwordconsiderations 76
- Power-OnPassword 76
- AdministratorPassword 76
- HardDiskPassword 76
- Enablingordisablingadevice 77
- Selectingastartupdevice 78
- EnablingErPcompliancemode 78
- Smartperformancechoices 79
- 66ThinkCentreUserGuide 80
- Usingsystemprograms 81
- Chapter9.Preventingproblems 83
- Cleaningyourcomputer 85
- Goodmaintenancepractices 86
- Movingyourcomputer 86
- Chapter9.Preventingproblems73 87
- 74ThinkCentreUserGuide 88
- Basictroubleshooting 89
- Troubleshootingprocedure 90
- Troubleshooting 90
- Audioproblems 91
- CDproblems 92
- DVDproblems 93
- DVDmoviewillnotplay 94
- Playbackisverysloworchoppy 94
- Intermittentproblems 95
- Monitorproblems 97
- Networkingproblems 98
- Ethernetproblems 99
- AwirelessLANproblem 100
- AwirelessWANproblem 100
- Bluetoothproblems 100
- Optionproblems 101
- Performanceandlockupproblems 102
- Printerproblems 104
- Serialportproblems 105
- Softwareproblems 105
- USBproblems 106
- Diagnosticprograms 106
- LenovoThinkVantageToolbox 107
- PC-DoctorforDOS 107
- ThinkCentreUserGuide 108
- Informationresources 109
- LenovoThinkVantageTools 109
- LenovoWelcome 109
- HelpandSupport 109
- SafetyandWarranty 110
- LenovoSupportWebsite 110
- Helpandservice 110
- Callingforservice 111
- Usingotherservices 111
- Purchasingadditionalservices 112
- Exportclassicationnotice 113
- Televisionoutputnotice 113
- Compliance 113
- JapaneseVCCIClassBstatement 114
- Japanrecyclingstatements 115
- AppendixC.Powercordnotice 117
- 104ThinkCentreUserGuide 118
- AppendixC.Powercordnotice105 119
- 106ThinkCentreUserGuide 120
- AppendixD.Notices 121
- Trademarks 122
- 110ThinkCentreUserGuide 124
- 112ThinkCentreUserGuide 126
- *0A74505* 128
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