Dell U7021, WHL manual Using Microsoft Windows XP System Restore

Network Problems	45
Power Problems	46
Printer Problems	47
Scanner Problems	47
Sound and Speaker Problems	48
No sound from speakers	48
No sound from headphones	49
Video and Monitor Problems	50
If the screen is blank	50
If the screen is difficult to read	50

4 Advanced Troubleshooting

Diagnostic Lights	53
Dell Diagnostics	56
When to Use the Dell Diagnostics	56
Drivers	59
What Is a Driver?	59
Identifying Drivers	59
Reinstalling Drivers	60
Using Microsoft® Windows® XP System Restore	61
Creating a Restore Point	62
Restoring the Computer to an Earlier Operating State	62
Undoing the Last System Restore	62
Using Dell PC Restore by Symantec	63
Resolving Software and Hardware Incompatibilities	64
Reinstalling Microsoft® Windows® XP	64
Before You Begin	64
Reinstalling Windows XP	65

Contents

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