Dell 2350 Personal Computer User Manual


 
Contents 5
Keyboard Problems . . . . . . . . . . . . . . . . . . . . . . . . . 43
Mouse Problems
. . . . . . . . . . . . . . . . . . . . . . . . . . 44
Network Problems . . . . . . . . . . . . . . . . . . . . . . . . . 45
Power Problems
. . . . . . . . . . . . . . . . . . . . . . . . . . . 45
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
. . . . . . . . . . . . . . . . . . . . 50
If the screen is blank
. . . . . . . . . . . . . . . . . . . . . . 50
If the screen is difficult to read
. . . . . . . . . . . . . . . . . 51
3 Advanced Troubleshooting
Diagnostic Lights . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Dell Diagnostics
. . . . . . . . . . . . . . . . . . . . . . . . . . . 56
When to Use the Dell Diagnostics
. . . . . . . . . . . . . . . . 56
Starting the Dell Diagnostics
. . . . . . . . . . . . . . . . . . 56
Drivers
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
What Is a Driver?
. . . . . . . . . . . . . . . . . . . . . . . . 59
Identifying Drivers
. . . . . . . . . . . . . . . . . . . . . . . 59
Reinstalling Drivers
. . . . . . . . . . . . . . . . . . . . . . . 60
Using System Restore
. . . . . . . . . . . . . . . . . . . . . . . 61
Creating a Restore Point
. . . . . . . . . . . . . . . . . . . . 61
Restoring the Computer to an Earlier Operating State
. . . . . . 61
Undoing the Last System Restore . . . . . . . . . . . . . . . . 62
Resolving Software and Hardware Incompatibilities . . . . . . . 63