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8 Contents
Power Problems . . . . . . . . . . . . . . . . . . . . . 94
Ensuring Sufficient Power for Your Computer
. . . 95
Printer Problems
. . . . . . . . . . . . . . . . . . . . . 95
Scanner Problems . . . . . . . . . . . . . . . . . . . . 96
Sound and Speaker Problems
. . . . . . . . . . . . . . 97
No sound from integrated speakers
. . . . . . . . 97
No sound from external speakers
. . . . . . . . . 97
No sound from headphones
. . . . . . . . . . . . 98
Touch Pad or Mouse Problems
. . . . . . . . . . . . . 98
Video and Display Problems
. . . . . . . . . . . . . . 98
If the display is blank
. . . . . . . . . . . . . . . . 99
If the display is difficult to read
. . . . . . . . . . 99
If only part of the display is readable
. . . . . . . 100
Drivers
. . . . . . . . . . . . . . . . . . . . . . . . . . 100
What Is a Driver?
. . . . . . . . . . . . . . . . . . 100
Identifying Drivers
. . . . . . . . . . . . . . . . . 100
Reinstalling Drivers and Utilities
. . . . . . . . . . 101
Resolving Software and Hardware
Incompatibilities
. . . . . . . . . . . . . . . . . . . . . 103
Restoring Your Operating System
. . . . . . . . . . . . 104
Using Microsoft
Windows XP System
Restore
. . . . . . . . . . . . . . . . . . . . . . . 104
Using Dell PC Restore by Symantec
. . . . . . . . 106
Using the Operating System Media
. . . . . . . . 108
book.book Page 8 Tuesday, July 3, 2007 12:31 PM