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  | 
3Advanced Troubleshooting
Diagnostic Lights . . .
Drivers . . . . . . . .
What Is a Driver? .
Identifying Drivers
Reinstalling Drivers
Using System Restore
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Restoring the Computer to an Earlier Operating State Undoing the Last System Restore . . . . . . . . . .
. . . . . .  | 63  | 
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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
Contents
5