Dell 6400 Owner's Manual page 6

8 Setting Up a Network
Physically Connecting to a Network or Broadband Modem
Network Setup Wizard
Wireless Local Area Network (WLAN)
What You Need to Establish a WLAN Connection
Checking Your Wireless Network Card
Setting Up a New WLAN
Connecting to a Wireless Local Area Network
Enabling/Disabling the Wireless Network Card
Monitoring the Status of Wireless Network Connections Through
Dell™ QuickSet
Mobile Broadband or Wireless Wide Area Network (WWAN)
What You Need to Establish a Mobile Broadband Network
Connection
Connecting to a Mobile Broadband Network
9 Securing Your Computer
Security Cable Lock
Passwords
Computer Tracking Software
If Your Computer Is Lost or Stolen
10 Solving Problems
Dell Diagnostics
Dell Support Utility
Accessing the Dell Support Utility
Clicking the Dell Support Icon
Double-Clicking the Dell Support Icon
Drive Problems
CD and DVD drive problems
If you cannot eject the CD, CD-RW, DVD, or DVD+RW drive tray
If you hear an unfamiliar scraping or grinding sound
Hard drive problems
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