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Contents 7
Wireless Local Area Network . . . . . . . . . . . . . 88
What You Need to Establish a WLAN
Connection
. . . . . . . . . . . . . . . . . . . . . 88
Checking Your Wireless Network Card
. . . . . . 89
Setting Up a New WLAN Using a Wireless
Router and a Broadband Modem
. . . . . . . . . 90
Connecting to a WLAN
. . . . . . . . . . . . . . . 91
Mobile Broadband (or Wireless Wide
Area Network)
. . . . . . . . . . . . . . . . . . . . . . 92
What You Need to Establish a Mobile
Broadband Network Connection
. . . . . . . . . 93
Checking Your Dell Mobile Broadband Card
. . . . 93
Connecting to a Mobile Broadband Network
. . . 94
Enabling/Disabling the Dell Mobile
Broadband Card
. . . . . . . . . . . . . . . . . . 95
Dell Wi-Fi Catcher™ Network Locator
. . . . . . . . . 95
10 Securing Your Computer . . . . . . . . . . . . . 97
Security Cable Lock . . . . . . . . . . . . . . . . . . . 97
Passwords
. . . . . . . . . . . . . . . . . . . . . . . . 97
If Your Computer Is Lost or Stolen
. . . . . . . . . . . 98
11 Troubleshooting . . . . . . . . . . . . . . . . . . 101
Dell Technical Update Service . . . . . . . . . . . . . 101
Dell Diagnostics
. . . . . . . . . . . . . . . . . . . . . 101
Dell Support Utility
. . . . . . . . . . . . . . . . . . . 105