Checking Your Dell Mobile Broadband Card . . . . 94 Connecting to a Mobile Broadband Network . . . 94 Enabling/Disabling the Dell Mobile Broadband Card 95

Dell Wi-Fi Catcher™ Network Locator . . . . . . . . . 96

11 Securing Your Computer . . . . . . . . . . . . . 97

Security Cable Lock

97

Passwords

97

If Your Computer Is Lost or Stolen

99

12 Troubleshooting . . . . . . . . . . . . . . . . . . 101

Dell Technical Update Service

101

Dell Diagnostics

101

Dell Support Center

106

Dell Support 3

106

Dell PC Tune-Up

107

Dell PC CheckUp

108

Dell Network Assistant

108

DellConnect

108

Drive Problems

109

Optical drive problems

109

Hard drive problems

110

E-Mail, Modem, and Internet Problems

111

Error Messages

112

ExpressCard Problems

117

Contents

7

Page 7
Image 7
Dell PP22L, RT722 owner manual Securing Your Computer