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Contents 7
Checking Your Wireless Network Card. . . . . . . 77
Setting Up a New WLAN Using a Wireless
Router and a Broadband Modem
. . . . . . . . . . 78
Connecting to a WLAN
. . . . . . . . . . . . . . . 79
Enabling/Disabling the Wireless Network
Card
. . . . . . . . . . . . . . . . . . . . . . . . . 81
Mobile Broadband/Wireless Wide Area
Network (WWAN)
. . . . . . . . . . . . . . . . . 82
What You Need to Establish a Mobile
Broadband Network Connection
. . . . . . . . . . 82
Checking Your Dell Mobile Broadband Card
. . . . 83
Microsoft
®
Windows
®
Firewall . . . . . . . . . . . . 83
10 Securing Your Computer . . . . . . . . . . . . . 85
Security Cable Lock . . . . . . . . . . . . . . . . . . . 85
Passwords
. . . . . . . . . . . . . . . . . . . . . . . . 85
Computer Tracking Software
. . . . . . . . . . . . . . 86
If Your Computer Is Lost or Stolen
. . . . . . . . . . . . 86
11 Adding and Replacing Parts . . . . . . . . . . 89
Before You Begin . . . . . . . . . . . . . . . . . . . . 89
Recommended Tools
. . . . . . . . . . . . . . . . 89
Turning Off Your Computer
. . . . . . . . . . . . . 89
Before Working Inside Your Computer
. . . . . . . 90
Optical Drive
. . . . . . . . . . . . . . . . . . . . . . . 92
Hard Drive
. . . . . . . . . . . . . . . . . . . . . . . . 92
Returning a Hard Drive to Dell
. . . . . . . . . . . 94
book.book Page 7 Friday, October 19, 2007 2:03 PM