|What you need to do is identify your hardware, then search for Win7 (or Vista) compatible drivers. Go to the Dell site & see which drivers are available for XP. You'll find the audio is Analog Devices 198x. Looks like the graphics are either Intel 915G or ATI Radeon X300....you'll have to figure out which one it is.|
Here's the Dell drivers page:
I'll help you with the audio because that one's a little tough to find. Here's a direct download link: Click to Download
The video driver should be easy once you figure out which you have.