Lenovo 5248 Bedienungsanleitung PDF herunterladen (Seite 56)

4.Disconnectthefailingkeyboardfromthecomputer.

5.Connectanewkeyboardtotheappropriateconnectoronthecomputer.

6.Reconnectallpowercordstoelectricaloutlets.

Replacingthewirelesskeyboard

Toreplacethewirelesskeyboard,dothefollowing:

1.Takeawayyourfailingwirelesskeyboard.

2.Removethenewwirelesskeyboardfromthepackage.

3.Correctlyinstallthebatteriesforthenewwirelesskeyboardbyreferringtothefollowingillustrations:

4.RemovetheUSBdonglefromthewirelessmousecompartmentandconnectittoanavailableUSB

connectorsonthecomputer.See“Replacingthewirelessmouse”onpage49.

48ThinkCentreUserGuide

1 2 ... 51 52 53 54 55 56 57 58 59 60 61 ... 97 98

ThinkCentre 1
UserGuide 1
ThirdEdition(June2012) 4
Contents 5
Importantsafetyinformation 7
Chapter1.Productoverview 9
ThinkCentreUserGuide 10
Chapter1.Productoverview3 11
Specications 12
Softwareoverview 13
AdobeReader 14
LenovoSolutionCenter 14
LenovoThinkVantageToolbox 14
PC-DoctorforRescueandRecovery 14
Frontview 15
Rearview 17
Componentlocations 18
.Productoverview11 19
12ThinkCentreUserGuide 20
Installingorreplacinghardware 21
Installingexternaloptions 21
Installingacomputerwallmount 21
Removingthecomputercover 22
Figure6.Removingtheframestand 23
16ThinkCentreUserGuide 24
Replacingthebattery 30
Replacingtheharddiskdrive 31
1,pin2,pin3,and 32
Replacingtheopticaldrive 34
Replacingtheheatsink 35
28ThinkCentreUserGuide 36
Figure23.Removingtheheatsink 37
Replacingthemicroprocessor 38
ReplacingtheWI-FIcard 40
ReplacingtheBluetoothmodule 41
Replacingthemulti-touchboard 42
ReplacingtheExpressCard 45
Replacingtheinternalspeakers 46
Replacingthecardreader 50
ReplacingtherearI/Oassembly 51
ReplacingtherightI/Oassembly 52
Replacingthepowersupply 53
Replacingthekeyboard 55
Replacingthewirelesskeyboard 56
Replacingthemouse 57
Completingthepartsreplacement 58
Obtainingdevicedrivers 59
Basicsecurityfeatures 59
Integratedcablelock 59
Passwordprotection 60
54ThinkCentreUserGuide 62
Chapter3.Recoveryinformation 63
Performingabackupoperation 64
Performingarecoveryoperation 65
Creatingandusingarescuemedium 66
Creatingarescuemedium 66
Usingarescuemedium 67
Solvingrecoveryproblems 68
Viewingorchangingsettings 69
Usingpasswords 69
Passwordconsiderations 70
Administratorpassword 70
Power-onpassword 70
Harddiskdrivepassword 70
Enablingordisablingadevice 71
Selectingastartupdevice 71
ExitingtheSetupUtilityprogram 72
Usingsystemprograms 73
.Updatingsystemprograms67 75
68ThinkCentreUserGuide 76
Basictroubleshooting 77
Diagnosticprograms 78
PC-DoctorforDOS 79
Cleaninganopticalmouse 80
Informationresources 81
OnlineBooksfolder 81
LenovoThinkVantageTools 81
LenovoWelcome 82
AccessHelp 82
Safetyandwarranty 82
LenovoWebsite 82
LenovoSupportWebsite 83
Helpandservice 83
Callingforservice 83
Usingotherservices 84
Purchasingadditionalservices 84
AppendixA.Notices 85
Televisionoutputnotice 86
ImportantWEEEInformation 86
Recyclinginformation 86
RecyclinginformationforBrazil 87
Trademarks 88
AppendixA.Notices81 89
82ThinkCentreUserGuide 90
ChinaRoHS 91
TurkishRoHS 91
UkraineRoHS 91
IndiaRoHS 92
86ThinkCentreUserGuide 94
88ThinkCentreUserGuide 96
*1P89Y8034* 98

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