|It could be that XP was never meant to run on that machine & the sound driver you have is not quite right. Do you know exactly what mother board & sound chip is in the machine? If not a program called Sandra may work.|
If you only use the machine at home, I would run it through the home stereo. If not, try to identify your hardware & search for a different driver.
How do you know when a politician is lying? His mouth is moving.