Lenovo M72 Betriebsanweisung PDF herunterladen (Seite 87)

6.Pressthetab1thatsecurestheinternalspeakerandthenpivottheinternalspeakeroutwardasshown

tocompletelyremovetheinternalspeakerfromtheinternalspeakerholder.

Figure68.Removingtheinternalspeaker

Chapter5.Installingorreplacinghardware73

1 2 ... 82 83 84 85 86 87 88 89 90 91 92 ... 153 154

ThinkCentre 1
UserGuide 1
ThirdEdition(September2012) 2
Contents 3
Importantsafetyinformation 7
Powercordsandpoweradapters 8
Plugsandoutlets 9
Externaldevices 9
Generalbatterynotice 9
Rechargeablebatterynotice 10
Heatandproductventilation 10
Operatingenvironment 11
Modemsafetyinformation 11
Lasercompliancestatement 12
Powersupplystatement 12
Chapter1.Productoverview 15
Chapter1.Productoverview3 17
Specications 18
Lenovoprograms 18
Chapter1.Productoverview5 19
Chapter1.Productoverview7 21
Locations 22
.Productoverview9 23
10ThinkCentreUserGuide 24
Locatingcomponents 25
Locatingpartsonthesystemboard 26
Machinetypeandmodellabel 27
14ThinkCentreUserGuide 28
Chapter2.Usingyourcomputer 29
Usingthekeyboard 30
UsingWindowsshortcutkeys 30
Usingangerprintreader 30
Usingthewheelmouse 31
Adjustingaudio 31
Aboutyourcomputeraudio 31
UsingCDsandDVDs 32
PlayingaCDorDVD 33
RecordingaCDorDVD 33
20ThinkCentreUserGuide 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
28ThinkCentreUserGuide 42
Installingorreplacinghardware 43
Installingexternaloptions 43
Attention: 44
32ThinkCentreUserGuide 46
Removingthecomputercover 47
Replacingtheopticaldrive 51
38ThinkCentreUserGuide 52
40ThinkCentreUserGuide 54
44ThinkCentreUserGuide 58
46ThinkCentreUserGuide 60
Replacingthebattery 62
Replacingtheacpoweradapter 63
50ThinkCentreUserGuide 64
Replacingthepowerswitchboard 67
54ThinkCentreUserGuide 68
Replacingtheheatsink 69
Figure45.Removingtheheatsink 70
Replacingthemicroprocessor 72
2onthemicroprocessor 73
62ThinkCentreUserGuide 76
ReplacingtheWiFicardmodule 78
InstallingtherearWiFiantenna 80
RemovingtherearWiFiantenna 81
InstallingtherearWiFiantennas 81
RemovingtherearWiFiantennas 82
Replacingthesystemfan 83
70ThinkCentreUserGuide 84
Replacingtheinternalspeaker 86
Replacingthekeyboardormouse 88
Completingthepartsreplacement 89
76ThinkCentreUserGuide 90
Obtainingdevicedrivers 91
78ThinkCentreUserGuide 92
Chapter6.Recoveryinformation 93
Creatingrecoverymedia 94
Usingrecoverymedia 94
Performingabackupoperation 94
Performingarecoveryoperation 95
Creatingandusingarescuemedium 96
Reinstallingsoftwareprograms 98
Reinstallingdevicedrivers 98
Solvingrecoveryproblems 98
86ThinkCentreUserGuide 100
Viewingandchangingsettings 101
Usingpasswords 101
AdministratorPassword 102
HardDiskPassword 102
Passwordconsiderations 102
Power-OnPassword 102
Enablingordisablingadevice 103
Selectingastartupdevice 104
EnablingErPcompliancemode 104
ExitingtheSetupUtilityprogram 105
92ThinkCentreUserGuide 106
Usingsystemprograms 107
ThinkCentreUserGuide 108
Chapter9.Preventingproblems 109
UsingSystemUpdate 110
Cleaningandmaintenance 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
120ThinkCentreUserGuide 134
AppendixA.Notices 135
Trademarks 136
Exportclassicationnotice 137
Electronicemissionsnotices 137
126ThinkCentreUserGuide 140
ImportantWEEEinformation 141
Recyclinginformation 141
RecyclinginformationforBrazil 142
130ThinkCentreUserGuide 144
ChinaRoHS 145
TurkishRoHS 145
UkraineRoHS 145
IndiaRoHS 146
134ThinkCentreUserGuide 148
136ThinkCentreUserGuide 150
138ThinkCentreUserGuide 152

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