Dell Inspiron 1521 Owner's Manual page 7

Wireless Local Area Network
What You Need to Establish a WLAN
Connection
Checking Your Wireless Network Card
Setting Up a New WLAN Using a Wireless
Router and a Broadband Modem
Connecting to a WLAN
Mobile Broadband (or Wireless Wide
Area Network)
What You Need to Establish a Mobile
Broadband Network Connection
Checking Your Dell Mobile Broadband Card
Connecting to a Mobile Broadband Network
Enabling/Disabling the Dell Mobile
Broadband Card
Dell Wi-Fi Catcher™ Network Locator
10 Securing Your Computer
Security Cable Lock
Passwords
If Your Computer Is Lost or Stolen
11 Troubleshooting
Dell Technical Update Service
Dell Diagnostics
Dell Support Utility
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