the problem is that I download all the drivers except the PCI Device, I am not sure if this is the sound driver too, however It tells me to download the Uaa high definition audio. I have gone to microsoft link and got the link for hotfix however does not have windows xp sp2, only windows 2000 and server 2003. Please help me. I also pay for robot driver, but still does not detect the driver-what's going on. I need your help.