12Troubleshooting . . . . . . . . . . . . . . . . . . . . 87

Dell Technical Update Service

87

Dell Diagnostics

87

Dell Support Center

91

Dell Support 3

92

Dell PC Tune-Up

93

Dell PC CheckUp

93

Dell Network Assistant

94

DellConnect

94

Drive Problems

94

Optical drive problems

95

Hard drive problems

96

E-Mail, Modem, and Internet Problems

96

Error Messages

98

ExpressCard Problems

103

IEEE 1394 Device Problems

103

Keyboard Problems

104

External Keyboard problems

104

Unexpected characters

105

Lockups and Software Problems

105

The computer does not start

105

The computer stops responding

105

A program stops responding or

 

crashes repeatedly

106

A program is designed for an earlier

 

Microsoft Windows operating system

106

A solid blue screen appears

106

8

Contents

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Image 8
Dell RW491 owner manual Mail, Modem, and Internet Problems