Lenovo M78 Betriebsanweisung PDF herunterladen (Seite 27)

Machinetypeandmodellabel

Themachinetypeandmodellabelidentiesyourcomputer.WhenyoucontactLenovoforhelp,themachine

typeandmodelinformationhelpssupporttechnicianstoidentifyyourcomputerandprovidefasterservice.

Thefollowingisasampleofthemachinetypeandmodellabel.

Figure6.Machinetypeandmodellabel

Chapter1.Productoverview15

1 2 ... 22 23 24 25 26 27 28 29 30 31 32 ... 153 154

ThinkCentre 1
UserGuide 1
ThirdEdition(September2012) 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
Specications 16
Lenovoprograms 17
Chapter1.Productoverview7 19
Locations 20
.Productoverview9 21
10ThinkCentreUserGuide 22
.Productoverview11 23
Locatingcomponents 24
Locatingpartsonthesystemboard 25
Locatinginternaldrives 26
Machinetypeandmodellabel 27
16ThinkCentreUserGuide 28
Chapter2.Usingyourcomputer 29
Usingthekeyboard 30
UsingWindowsshortcutkeys 30
Usingangerprintreader 30
Usingthewheelmouse 31
Adjustingaudio 31
Aboutyourcomputeraudio 31
UsingCDsandDVDs 32
PlayingaCDorDVD 33
RecordingaCDorDVD 33
22ThinkCentreUserGuide 34
Chapter3.Youandyourcomputer 35
Glareandlighting 36
Aircirculation 36
Registeringyourcomputer 37
Voltage-selectionswitch 37
Replacementpowercords 38
Chapter4.Security 39
BIOSpasswords 40
Windowspasswords 41
Conguringthengerprintreader 41
Usingandunderstandingrewalls 41
Protectingdataagainstviruses 41
30ThinkCentreUserGuide 42
Installingorreplacinghardware 43
Installingexternaloptions 43
Openingthecomputercover 44
Figure9.Removingthefrontbezel 45
Attention: 46
36ThinkCentreUserGuide 48
InstallingorreplacingaPCIcard 49
Figure14.RemovingaPCIcard 50
Installingthecardreader 51
Replacingthecardreader 54
Replacingthebattery 56
Installingthesolid-statedrive 57
Replacingtheharddiskdrive 59
1,pin2,pin4,andpin 60
Replacingtheopticaldrive 61
50ThinkCentreUserGuide 62
1,2and3onthesystemboard 70
Replacingthemicroprocessor 72
Replacingtheinternalspeaker 76
Replacingthethermalsensor 78
1inthechassis.Thenalign 80
1and2inthechassis 80
ReplacingtheWiFiunits 82
RemovingtheWiFicardmodule 83
InstallingtheWiFiunits 84
InstallingtherearWiFiantenna 86
RemovingtherearWiFiantenna 87
InstallingthefrontWiFiantenna 88
RemovingthefrontWiFiantenna 90
Replacingthekeyboardormouse 91
Completingthepartsreplacement 91
Obtainingdevicedrivers 92
Chapter6.Recoveryinformation 93
Creatingrecoverymedia 94
Usingrecoverymedia 94
Performingabackupoperation 94
Performingarecoveryoperation 95
Creatingandusingarescuemedium 96
Reinstallingsoftwareprograms 98
Reinstallingdevicedrivers 98
Solvingrecoveryproblems 98
88ThinkCentreUserGuide 100
Viewingandchangingsettings 101
Usingpasswords 101
AdministratorPassword 102
HardDiskPassword 102
Passwordconsiderations 102
Power-OnPassword 102
Enablingordisablingadevice 103
Selectingastartupdevice 104
EnablingErPcompliancemode 104
ICEperformancemode 105
ICEthermalalert 105
ExitingtheSetupUtilityprogram 106
Usingsystemprograms 107
ThinkCentreUserGuide 108
Chapter9.Preventingproblems 109
UsingSystemUpdate 110
Cleaningyourcomputer 111
Goodmaintenancepractices 112
Movingyourcomputer 112
Basictroubleshooting 113
Troubleshootingprocedure 114
Troubleshooting 114
Audioproblems 115
CDproblems 116
DVDproblems 117
DVDmoviewillnotplay 118
Playbackisverysloworchoppy 118
Intermittentproblems 119
Monitorproblems 121
Networkingproblems 122
Ethernetproblems 123
AwirelessLANproblem 124
AwirelessWANproblem 124
Optionproblems 125
Performanceandlockupproblems 126
Printerproblems 127
Serialportproblems 128
Softwareproblems 128
USBproblems 129
LenovoSolutionCenter 130
LenovoSupportWebsite 132
Helpandservice 132
Callingforservice 132
Usingotherservices 133
Purchasingadditionalservices 133
122ThinkCentreUserGuide 134
AppendixA.Notices 135
Trademarks 136
Exportclassicationnotice 137
Electronicemissionsnotices 137
128ThinkCentreUserGuide 140
ImportantWEEEinformation 141
Recyclinginformation 141
RecyclinginformationforBrazil 142
132ThinkCentreUserGuide 144
ChinaRoHS 145
TurkishRoHS 145
UkraineRoHS 145
IndiaRoHS 146
136ThinkCentreUserGuide 148
138ThinkCentreUserGuide 150
140ThinkCentreUserGuide 152

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