Contents 7
Wireless Local Area Network. . . . . . . . . . . . . . 92
What You Need to Establish a WLAN
Connection . . . . . . . . . . . . . . . . . . . . . 92
Checking Your Wireless Network Card. . . . . . . 93
Setting Up a New WLAN Using a Wireless
Router and a Broadband Modem. . . . . . . . . . 94
Connecting to a WLAN . . . . . . . . . . . . . . . 95
Mobile Broadband (or Wireless Wide Area
Network). . . . . . . . . . . . . . . . . . . . . . . . . 96
What You Need to Establish a Mobile
Broadband Network Connection. . . . . . . . . . 97
Checking Your Dell™ Mobile Broadband Card. . . 97
Connecting to a Mobile Broadband Network . . . 98
Enabling/Disabling the Dell Mobile
Broadband Card . . . . . . . . . . . . . . . . . . 99
Dell Wi-Fi Catcher™ Network Locator . . . . . . . . . 99
11 Securing Your Computer . . . . . . . . . . . . 101
Security Cable Lock . . . . . . . . . . . . . . . . . . . 101
Passwords . . . . . . . . . . . . . . . . . . . . . . . . 101
If Your Computer Is Lost or Stolen. . . . . . . . . . . . 102
12 Troubleshooting. . . . . . . . . . . . . . . . . . . 105
Dell Technical Update Service . . . . . . . . . . . . . 105
Dell Diagnostics. . . . . . . . . . . . . . . . . . . . . 105
Dell Support Center . . . . . . . . . . . . . . . . . . . 110
Dell Support . . . . . . . . . . . . . . . . . . . . 110
Dell PC TuneUp. . . . . . . . . . . . . . . . . . . 111