it may sound stupid, but can anybody give a hint on this??? I'd replace my DVD-RW for a DVD-/+ RW,and before actually doing it, I went to "hardware device" and unistalled the drivers and the whole unit, ..put the new one, re-boot againd,.. and it is reading the new device but by the time of using it, it wont read the disks, of anykind.... can anybody give a hint?? on this????