Quote:You might want to check your volume control, and if you are using speakers you might want to try headphones (if you are already using headphones, you might want to try them out on something else to make sure the problem isn't there)

 

If that's not the problem then you might want to start here:

http://windows.microsoft.com/en-us/windo...=winxptab1

 

Hopefully that will help resolve the problem.  Sound card is just one of the many possibilities.  But it's definitely a good place to start.