7 clearing forgotten passwords, 8 cleaning your computer, 9 troubleshooting – Dell Precision T5400 (Late 2007) User Manual

Page 6: 10 troubleshooting tools

Advertising
background image

6

Contents

7 Clearing Forgotten Passwords

. . . . . . .

101

Clearing CMOS Settings

. . . . . . . . . . . . . . . . .

103

Flashing the BIOS

. . . . . . . . . . . . . . . . . . . .

103

8 Cleaning Your Computer

. . . . . . . . . . . .

105

Computer, Keyboard, and Monitor

. . . . . . . . .

105

Floppy Drive

. . . . . . . . . . . . . . . . . . . .

105

CDs and DVDs

. . . . . . . . . . . . . . . . . . .

105

9 Troubleshooting

. . . . . . . . . . . . . . . . . . .

107

Solving Problems

. . . . . . . . . . . . . . . . . . . .

107

Battery Problems

. . . . . . . . . . . . . . . . . .

107

Drive Problems

. . . . . . . . . . . . . . . . . . .

107

E-Mail and Internet Problems

. . . . . . . . . . .

109

Error Messages

. . . . . . . . . . . . . . . . . .

110

IEEE 1394 Device Problems

. . . . . . . . . . . . .

111

Keyboard Problems

. . . . . . . . . . . . . . . . .

112

Lockups and Software Problems

. . . . . . . . . .

112

Memory Problems

. . . . . . . . . . . . . . . . .

114

Mouse Problems

. . . . . . . . . . . . . . . . . .

115

Network Problems

. . . . . . . . . . . . . . . . .

116

Power Problems

. . . . . . . . . . . . . . . . . .

116

Printer Problems

. . . . . . . . . . . . . . . . . .

117

Scanner Problems

. . . . . . . . . . . . . . . . .

118

Sound Problems

. . . . . . . . . . . . . . . . . .

119

10 Troubleshooting Tools

. . . . . . . . . . . . . .

121

Diagnostic Lights

. . . . . . . . . . . . . . . . . . . .

121

Advertising