6Contents
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