i don't know what happened to the computer i was changing the hard drives (adding more memory) switch on the computer and was listening to my music and the next day i was gone. I looked in the control panel and it there was an explanation park on 'microsoft kernel audio wave mixer' so i decided to boot the computer (re-install Windows XP Home) checked for the kernel mixer and it wasn't there!! tried to play music and it says no audio device. I went to the 'Sounds and audio devices' in the control panel and it says theres no audio device!! i havent had sound for over 2weeks and im literally going crazy!!!!! someone gotta help me with this pleeeeeease!!!!