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Contents 5
Mouse Problems . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Network Problems
. . . . . . . . . . . . . . . . . . . . . . . . . 44
Power Problems
. . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Printer Problems
. . . . . . . . . . . . . . . . . . . . . . . . . . 46
Scanner Problems
. . . . . . . . . . . . . . . . . . . . . . . . . 47
Sound and Speaker Problems
. . . . . . . . . . . . . . . . . . . 48
No sound from speakers
. . . . . . . . . . . . . . . . . . . . . 48
No sound from headphones
. . . . . . . . . . . . . . . . . . . 49
Video and Monitor Problems
. . . . . . . . . . . . . . . . . . . . 49
If the screen is blank
. . . . . . . . . . . . . . . . . . . . . . 49
If the screen is difficult to read
. . . . . . . . . . . . . . . . . 50
3 Advanced Troubleshooting
Diagnostic Lights . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Dell Diagnostics
. . . . . . . . . . . . . . . . . . . . . . . . . . . 58
When to Use the Dell Diagnostics
. . . . . . . . . . . . . . . . 58
Starting the Dell Diagnostics
. . . . . . . . . . . . . . . . . . 58
Drivers
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
What Is a Driver?
. . . . . . . . . . . . . . . . . . . . . . . . 61
Identifying Drivers
. . . . . . . . . . . . . . . . . . . . . . . 61
Reinstalling Drivers
. . . . . . . . . . . . . . . . . . . . . . . 62
Using Windows
®
System Restore . . . . . . . . . . . . . . . . . 63
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
. . . . . . . 65
J2936bk0.book Page 5 Tuesday, September 2, 2003 3:06 PM