No Audio Device Xp [99% DIRECT]

Since Windows XP is older technology, you can buy a USB Sound Card adapter for a few dollars. These are small USB sticks that have headphone and microphone jacks on them. They usually install their own drivers automatically in XP and bypass the broken onboard sound completely.

If you open Device Manager and there is no "Sound, video and game controllers" section at all, or no audio devices are listed, the sound card might be disabled in the motherboard BIOS.