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Contents 5
Network Problems . . . . . . . . . . . . . . . . . . . . . . . . . 48
PC Card Problems
. . . . . . . . . . . . . . . . . . . . . . . . . 49
Power Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Printer Problems
. . . . . . . . . . . . . . . . . . . . . . . . . . 51
Scanner Problems
. . . . . . . . . . . . . . . . . . . . . . . . . 52
Sound and Speaker Problems . . . . . . . . . . . . . . . . . . . 53
Video and Monitor Problems
. . . . . . . . . . . . . . . . . . . . 54
If the screen is blank
. . . . . . . . . . . . . . . . . . . . . . 54
If the screen is difficult to read
. . . . . . . . . . . . . . . . . 55
3 Advanced Troubleshooting
Diagnostic Lights . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Drivers
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
What Is a Driver?
. . . . . . . . . . . . . . . . . . . . . . . . 60
Identifying Drivers
. . . . . . . . . . . . . . . . . . . . . . . 60
Reinstalling Drivers
. . . . . . . . . . . . . . . . . . . . . . . 61
Using System Restore
. . . . . . . . . . . . . . . . . . . . . . . 62
Creating a Restore Point
. . . . . . . . . . . . . . . . . . . . 63
Restoring the Computer to an Earlier Operating State
. . . . . . 63
Undoing the Last System Restore . . . . . . . . . . . . . . . . 64
Resolving Software and Hardware Incompatibilities
. . . . . . . 64
Reinstalling Microsoft
®
Windows
®
XP . . . . . . . . . . . . . . . 65
Before You Reinstall
. . . . . . . . . . . . . . . . . . . . . . 65
Reinstalling Windows XP
. . . . . . . . . . . . . . . . . . . . 65
4 Adding Parts
Front and Back View of the Computer . . . . . . . . . . . . . . . 70