Lenovo E73 Betriebsanweisung PDF herunterladen (Seite 70)

3.Attherearofthecomputer,removethescrewthatsecuresthePCIExpresscardlatch.

4.GrasptheWiFiadaptercardthatiscurrentlyinstalledandgentlypullitoutoftheslot.

Figure34.RemovingtheWiFiadaptercard

Note:Thecardﬁtstightlyintothecardslot.Ifnecessary,alternatemovingeachsideofthecarda

smallamountuntilitisremovedfromthecardslot.

RemovingtheWiFicardmodule

ToremovetheWiFicardmodule,dothefollowing:

1.RemovetheWiFiadaptercardfromthecomputer,andthendisconnectthefrontandrearWiFiantenna

cablesfromtheWiFicardmodule.

Figure35.RemovingtheWiFiantennacables

58ThinkCentreE73UserGuide

1 2 ... 65 66 67 68 69 70 71 72 73 74 75 ... 147 148

ThinkCentreE73 1
UserGuide 1
ThirdEdition(June2014) 2
Contents 3
Importantsafetyinformation 7
Powercordsandpoweradapters 8
Plugsandoutlets 9
Externaldevices 9
Heatandproductventilation 9
Operatingenvironment 10
Lasercompliancestatement 10
Powersupplystatement 11
Cleaningandmaintenance 11
Chapter1.Productoverview 13
Chapter1.Productoverview3 15
Speciﬁcations 17
Lenovoprograms 17
Chapter1.Productoverview7 19
Locations 21
10ThinkCentreE73UserGuide 22
.Productoverview11 23
Locatingcomponents 24
Locatingpartsonthesystemboard 25
Locatinginternaldrives 26
Machinetypeandmodellabel 26
.Productoverview15 27
16ThinkCentreE73UserGuide 28
Chapter2.Usingyourcomputer 29
NavigatingonWindows8 30
NavigatingonWindows8.1 31
UsingWindowsshortcutkeys 33
Usingthewheelmouse 33
Adjustingaudio 33
Aboutyourcomputeraudio 34
UsingCDsandDVDs 35
PlayingaCDorDVD 35
RecordingaCDorDVD 36
Chapter3.Youandyourcomputer 37
Glareandlighting 38
Aircirculation 38
Accessibilityinformation 38
Chapter3.Youandyourcomputer27 39
Chapter3.Youandyourcomputer29 41
Registeringyourcomputer 42
Chapter4.Security 43
Lockingthecomputercover 44
Usingpasswords 45
BIOSpasswords 45
Windowspasswords 46
Usingandunderstandingﬁrewalls 46
Protectingdataagainstviruses 46
Installingorreplacinghardware 47
Installingexternaloptions 47
Removingthecomputercover 47
1asshownto 52
42ThinkCentreE73UserGuide 54
Replacingthebattery 55
Replacingtheopticaldrive 58
Replacingthemicroprocessor 64
2onthemicroprocessor 65
Replacingtherearfanassembly 67
ReplacingtheWiFiunits 69
RemovingtheWiFicardmodule 70
InstallingtheWiFiunits 71
60ThinkCentreE73UserGuide 72
InstallingtherearWiFiantenna 74
RemovingtherearWiFiantenna 74
InstallingthefrontWiFiantenna 75
Replacingthekeyboardormouse 77
Completingthepartsreplacement 78
Obtainingdevicedrivers 79
68ThinkCentreE73UserGuide 80
Chapter6.Recoveryinformation 81
Creatingrecoverymedia 82
Usingrecoverymedia 82
Performingabackupoperation 82
Performingarecoveryoperation 83
Creatingandusingarescuemedium 84
Reinstallingsoftwareprograms 86
Reinstallingdevicedrivers 86
Solvingrecoveryproblems 86
Refreshingyourcomputer 87
Viewingandchangingsettings 89
Passwordconsiderations 90
Power-OnPassword 90
AdministratorPassword 90
HardDiskPassword 90
Enablingordisablingadevice 91
Selectingastartupdevice 92
EnablingErPLPScompliancemode 92
ExitingtheSetupUtilityprogram 93
82ThinkCentreE73UserGuide 94
Usingsystemprograms 95
Chapter9.Preventingproblems 97
UsingSystemUpdate 98
Cleaningyourcomputer 99
Goodmaintenancepractices 100
Movingyourcomputer 100
Chapter9.Preventingproblems89 101
90ThinkCentreE73UserGuide 102
Basictroubleshooting 103
Troubleshootingprocedure 104
Troubleshooting 104
Audioproblems 105
CDproblems 106
DVDproblems 107
DVDmoviewillnotplay 108
Playbackisverysloworchoppy 108
Intermittentproblems 109
ThinkCentreE73UserGuide 110
Monitorproblems 111
Theimageappearstobeﬂickering 112
Theimageisdiscolored 112
Networkingproblems 113
Optionproblems 115
Performanceandlockupproblems 116
Printerproblems 118
Serialportproblems 118
Softwareproblems 119
USBproblems 120
Diagnosticprograms 120
LenovoSolutionCenter 121
LenovoThinkVantageToolbox 121
PC-DoctorforDOS 121
Informationresources 123
LenovoThinkVantageT ools 123
HelpandSupport 123
SafetyandWarranty 123
LenovoWebsite 123
LenovoSupportWebsite 124
Helpandservice 124
Callingforservice 124
Usingotherservices 125
Purchasingadditionalservices 125
114ThinkCentreE73UserGuide 126
AppendixA.Notices 127
Trademarks 128
Exportclassiﬁcationnotice 129
Televisionoutputnotice 129
Electronicemissionsnotices 129
Eurasiancompliancemark 131
Brazilregulatorynotice 131
Mexicoregulatorynotice 131
ImportantWEEEinformation 133
RecyclinginformationforJapan 133
RecyclinginformationforBrazil 134
124ThinkCentreE73UserGuide 136
EuropeanUnionRoHS 137
ChinaRoHS 137
TurkishRoHS 137
UkraineRoHS 138
IndiaRoHS 138
AppendixE.ChinaEnergyLabel 139
128ThinkCentreE73UserGuide 140
130ThinkCentreE73UserGuide 142
132ThinkCentreE73UserGuide 144
134ThinkCentreE73UserGuide 146

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