Dell Inspiron 6400 Owner's Manual - Page 6

8 Setting Up a Network 69 Physically Connecting to a Network or Broadband Modem 69 Network Setup Wizard 70 Wireless Local Area Network (WLAN 70 What You Need to Establish a WLAN Connection 70 Checking Your Wireless Network Card 70 Setting Up a New WLAN 71 Connecting to a Wireless Local Area Network 72 Enabling/Disabling the Wireless Network Card 74 Monitoring the Status of Wireless Network Connections Through Dell™ QuickSet 74 Mobile Broadband or Wireless Wide Area Network (WWAN 74 What You Need to Establish a Mobile Broadband Network Connection 74 Connecting to a Mobile Broadband Network 75 9 Securing Your Computer 77 Security Cable Lock 77 Passwords 77 Computer Tracking Software 78 If Your Computer Is Lost or Stolen 78 10 Solving Problems 79 Dell Diagnostics 79 Dell Support Utility 82 Accessing the Dell Support Utility 82 Clicking the Dell Support Icon 82 Double-Clicking the Dell Support Icon 82 Drive Problems 83 CD and DVD drive problems 83 If you cannot eject the CD, CD-RW, DVD, or DVD+RW drive tray . . . . . 83 If you hear an unfamiliar scraping or grinding sound 84 Hard drive problems 84 6 Contents