7 clearing forgotten passwords, 8 cleaning your computer, 9 troubleshooting – Dell Precision T7400 (Late 2007) User Manual

Page 6

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Contents

Option Settings

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

84

Selecting the Boot Device for the Current Boot

. .

84

Changing Boot Sequence for Future Boots

. . . .

85

Booting to a USB Device

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

85

7 Clearing Forgotten Passwords

. . . . . . . .

87

Clearing CMOS Settings

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

89

Flashing the BIOS

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

89

8 Cleaning Your Computer

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

91

Computer, Keyboard, and Monitor

. . . . . . . . .

91

Floppy Drive

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

91

CDs and DVDs

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

91

9 Troubleshooting

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

93

Solving Problems

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

93

Battery Problems

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

93

Drive Problems

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

93

E-Mail and Internet Problems

. . . . . . . . . . .

95

Keyboard Problems

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

96

Lockups and Software Problems

. . . . . . . . . .

96

Memory Problems

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

98

Mouse Problems

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

99

Network Problems

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

99

Power Problems

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

100

Printer Problems

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

101

Scanner Problems

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

102

Sound Problems

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

103

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