Lenovo E420s Betriebsanweisung Seite 61
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2.ClickPerformanceandMaintenance;thenclickSystem.
3.ClicktheHardwaretab;thenclickDeviceManager.
4.Double-clickBluetoothRadiostoextracttheBluetoothRadiosdevicetree.
5.Double-clicktheThinkPadBluetoothwithEnhancedDataRateicontoopenthePropertieswindow.
6.ClicktheDrivertab;thenclickUpdateDriver.
7.ClickNo,notthistime,andthenclickNext.
8.SelectInstallfromalistorspeciclocation(Advanced),andthenclickNext.
9.SelectDon'tsearch.Iwillchoosethedrivertoinstall;thenclickNext.
10.Selectthedriverthathasno“DigitalSigned”icon;thenclickNext.
11.ClickFinish.
Note:Ifyouusethewirelessfeature(the802.11standard)ofyourcomputersimultaneouslywithaBluetooth
option,datatransmissionspeedcanbedelayedandtheperformanceofthewirelessfeaturecanbe
degraded.
UsingWiMAX
SomeThinkPadNotebookscomewithabuilt-inwirelessLANcardintegratingWiMAXtechnology.
WiMAX,along-rangewirelessdatatransmissiontechnologybasedonthe802.16standard,providesyou
witha“lastmile”broadbandconnectivitysimilartothatofferedbycableorADSL,butwithouttheneedto
physicallyconnectacabletothePC.
TousetheWiMAXfeature,startAccessConnections.
ForWindows7:TostarttheAccessConnectionswizard,seeAccessingapplicationsinWindows7,and
followtheinstructionsonthescreen.
Checkingwirelessconnectionstatus
AccessConnectionsGauge(Windows7)
IfyourcomputerisrunningWindows7,theAccessConnectionsGaugeinthetaskbardisplaysthesignal
strengthandstatusofyourwirelessconnection.
Note:TodisplayAccessConnectionsGaugeinthetaskbar,seetheHelpinAccessConnections.
Youcanndmoredetailedinformationaboutthesignalstrengthandstatusofyourwirelessconnection
byopeningAccessConnectionsorbyright-clickingtheAccessConnectionsGaugeinthetaskbarand
selectingViewStatusofWirelessConnection.
•AccessConnectionsGaugestates:wirelessLAN
–
Powertothewirelessradioisoffornosignal.
–
Powertothewirelessradioison.Thesignalstrengthofthewirelessconnectionispoor.To
improvesignalstrength,moveyoursystemclosertothewirelessaccesspoint.
–
Powertothewirelessradioison.Thesignalstrengthofthewirelessconnection
ismarginal.
–
Powertothewirelessradioison.Thesignalstrengthofthewirelessconnectionis
excellent.
•AccessConnectionsGaugestates:wirelessWAN
Chapter2.Usingyourcomputer43
- UserGuide 1
- Contents 3
- AppendixB.WEEEandrecycling 5
- AppendixC.Notices........167 5
- Readthisrst 7
- Importantsafetyinformation 8
- Safetyguidelines 9
- Powercordsandpoweradapters 11
- Plugsandoutlets 12
- Powersupplystatement 12
- Externaldevices 12
- Batteries 13
- Rechargeablebatterynotice 14
- Lithiumcoincellbatterynotice 14
- Heatandproductventilation 15
- Lasercompliancestatement 16
- Usingheadphonesorearphones 17
- Additionalsafetyinformation 17
- Chapter1.ProductOverview 19
- Frontview 20
- Right-sideview 22
- Left-sideview 24
- Bottomview 25
- Rearview 26
- Statusindicators 27
- System-statusindicators 28
- Power-statusindicators 29
- Machinetypeandmodellabel 30
- CerticateofAuthenticitylabel 31
- Features 32
- Specications 33
- Operatingenvironment 33
- Chapter1.ProductOverview17 35
- AccessConnections 36
- ActiveProtectionSystem 36
- FingerprintSoftware 36
- LenovoThinkVantageTools 37
- LenovoThinkVantageToolbox 37
- MessageCenterPlus 37
- PasswordManager 37
- PowerManager 38
- ProductRecovery 38
- PresentationDirector 38
- RescueandRecovery 38
- SystemUpdate 38
- ThinkVantageGPS 39
- 22UserGuide 40
- Chapter2.Usingyourcomputer 41
- Specialkeysandbuttons 43
- Volumeandmutebuttons 43
- Functionkeycombinations 44
- Chapter2.Usingyourcomputer27 45
- WindowskeyandApplicationkey 46
- Chapter2.Usingyourcomputer29 47
- Usingthetouchpad 49
- Powermanagement 51
- Checkingbatterystatus 51
- Usingtheacpoweradapter 51
- Chargingthebattery 52
- Maximizingbatterylife 52
- Power-savingmodes 52
- Chapter2.Usingyourcomputer35 53
- Handlingthebattery 54
- Connectingtothenetwork 55
- Ethernetconnections 55
- Wirelessconnections 55
- MakingwirelessLANconnections 56
- UsingwirelessWANconnections 57
- UsingBluetooth 57
- Chapter2.Usingyourcomputer41 59
- UsingWiMAX 61
- Changingdisplaysettings 63
- Attachinganexternalmonitor 63
- Connectinganexternalmonitor 64
- Settingthemonitortypes 64
- Chapter2.Usingyourcomputer47 65
- Settingupapresentation 66
- Usingacolorprole 66
- Usingaudiofeatures 66
- Usinganintegratedcamera 67
- Usingdualdisplays 68
- Chapter2.Usingyourcomputer51 69
- UsingtheThinkLightfeature 70
- Usingtheopticaldrive 70
- Usingthemediacardreader 70
- Chapter3.Youandyourcomputer 71
- Adjustingyourcomputertotyou 72
- Accessibilityinformation 73
- Travelingwithyourcomputer 73
- Traveltips 74
- Travelaccessories 74
- Chapter4.Security 75
- Power-onpassword 76
- Harddiskpasswords 77
- Supervisorpassword 79
- Harddisksecurity 81
- Usingangerprintreader 81
- Chapter4.Security65 83
- Usingandunderstandingrewalls 84
- Protectingdataagainstviruses 84
- .Security67 85
- 68UserGuide 86
- Chapter5.Recoveryoverview 87
- Creatingrecoverymedia 88
- Usingrecoverymedia 88
- Performingabackupoperation 89
- Performingarecoveryoperation 89
- Creatingandusingarescuemedium 91
- Creatingarescuemedium 91
- Usingarescuemedium 91
- Solvingrecoveryproblems 93
- 76UserGuide 94
- Chapter6.Replacingdevices 95
- .Replacingdevices79 97
- Replacingthekeyboard 98
- Chapter6.Replacingdevices81 99
- 1 and 3 100
- .Replacingdevices83 101
- Replacingmemory 102
- Chapter6.Replacingdevices85 103
- 6.Removethecard 105
- .Replacingdevices87 105
- LAN/WiMAXconnection 106
- Chapter6.Replacingdevices89 107
- 90UserGuide 108
- Chapter6.Replacingdevices91 109
- ReplacingtheSIMcard 111
- .Replacingdevices95 113
- 96UserGuide 114
- FindingThinkPadoptions 115
- Usingaashmediacard 115
- Chapter8.Advancedconguration 117
- InstallingWindows7 118
- InstallingWindowsXP 119
- Installingdevicedrivers 121
- Installingdriversandsoftware 122
- ThinkPadSetup 123
- Congmenu 124
- Dateandtimemenu 124
- Securitymenu 124
- Startupmenu 125
- Restartmenu 127
- ThinkPadSetupitems 127
- Congmenuitems 128
- 110UserGuide 128
- .Advancedconguration111 129
- 112UserGuide 130
- Securitymenuitems 131
- .Advancedconguration113 131
- 114UserGuide 132
- Startupmenuitems 133
- .Advancedconguration115 133
- UpdatingyoursystemUEFIBIOS 134
- Usingsystemmanagement 135
- Systemmanagement 135
- Settingmanagementfeatures 135
- Startupsequence 136
- Chapter9.Preventingproblems 137
- Takingcareofyourcomputer 139
- 124UserGuide 142
- Diagnosingprograms 143
- Troubleshooting 143
- Computerstopsresponding 143
- Spillsonthekeyboard 144
- Errormessages 144
- Errorswithoutmessages 146
- Beeperrors 147
- Memoryproblems 147
- Networking 148
- AwirelessLANproblem 149
- AwirelessWANproblem 149
- Bluetoothproblems 149
- UltraNavproblems 152
- Keyboardproblems 152
- Displayandmultimediadevices 153
- Externalmonitorproblems 154
- Audioproblems 158
- Fingerprintreaderproblems 160
- Batteryandpower 161
- ACpoweradapterproblems 162
- Powerproblems 162
- Apowerbuttonproblem 162
- Startupproblems 163
- Drivesandotherstoragedevices 164
- Softwareproblems 166
- Portsandconnectors 166
- UniversalSerialBusproblems 166
- 150UserGuide 168
- Chapter11.Gettingsupport 169
- Gettinghelpandservice 170
- Usingdiagnosticprograms 170
- LenovoSupportWebsite 170
- CallingLenovo 170
- Chapter11.Gettingsupport153 171
- 154UserGuide 172
- .Gettingsupport155 173
- 156UserGuide 174
- Purchasingadditionalservices 175
- 158UserGuide 176
- Wirelessrelatedinformation 177
- 2 WirelessWANantenna(Main) 178
- Exportclassicationnotice 180
- Electronicemissionnotices 180
- Directive 181
- JapaneseVCCIClassBstatement 182
- EUWEEEstatements 183
- Japanrecyclingstatements 183
- AppendixC.Notices 185
- Trademarks 186
- PartNumber: 188
- PrintedinChina 188
- (1P)P/N: 188
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