hi, i started getting usb not recognised messages(pops up every few minutes), so i pluged every usb connection out externaly and internaly, and it still pops up i tracked the problem to bluetooth device cause it disapeared, tryed to uninstal/update driver but still the same, i'm using asus p8p67pro mother board, bluetooth is in the back besides usb sockets but i cant pull it out i think its built in, how can i solve the problem?