ok i jsu got a HP Pavilion Media Center a1350n Desktop PC, it came with windows xp Media center.. i have windows xp pro, .. and dont want media center, .. so i formated and installed xp pro, .. i downloaded all the updates, .. i purchased an Ati radeonX 700 pro with the computer and have installed that and went to there web sight and downloaded the latest drivers for that, .. the problem im having now , is i have 4 devices not working missing drivers. Multimedia Audio Controller SM Bus Controller Universal Serial Bus (USB) Controller Unknown Device i dont have sound among other things, .. havent tryed the burner/usb ect.. heres is a link to all i could find on my computer from HP http://h10025.www1.hp.com/ewfrf/wc/...product=1818056&dlc=en&docname=c00496280#N362 i tryed searching for the mother board and a driver for it , my friend said i need a driver for that and it shoudl fix it because its all on bord, .. i cant find it, . waht am i doing wrong? im totaly lost here, . can anyone help me?