I installed audio driver but no sound

[Bishop20]

in change my system from window 7 to xp

 

[WyomingKnott]

Did you download the appropriate drivers for that machine for XP; they are different from the 7 drivers.

Open the Device Manager, expand the section "Sound, video, and game controllers," and look for a warning mark next to any of the audio devices. Let us know what you see.