Quote Originally Posted by slugzkea View Post
I don't use onboard audio and it is disabled in the bios so i don't know why windows is still reocnizing it
It's the ATI HD audio device on HD 3870, not motherboard! You could download it on internet or just browse to your driver disk and install the HD audio driver and there will be "ATI Function Driver for High Definition Audio - ATI AA01" shown on your device manager......sigh!