i have a windows xp with a cd writer or cdrom or cdrw what ever its called anyhow it quit working. it sometime disapears from the device manager and from my computer and when it comes back in there it will not play my cds. sometimes the light on it is red and its suppose to be green. and the other day it was back in my computer folder but it had a question mark can anyone help me with this please i want to reinstall windows. thank you