I own a yamaha crw2100sz and for some reason today it's gone nuts. As soon as i put a cd in it spins up to full speed and locks my computer. I've tried new drivers new firmware. I only just re-installed win2000 two or three days ago but it still just sits and spins. and when there is already a disk in the drive and i reboot it starts doing it then just after the memory check finishes.