All of a sudden the 3 1/2 drive is not working under windows, if I start the cpu with a boot floppy drive it will work in only dos mode. When In windows on windows exporer it gives me the "no a valid funtion, or incorrect funtion" same thing with the cd rom, but if I put a music cd it works fine. I have windows 2000 pro, I want to know how to reinstall the registry, or what keys on the registry should I edit to have this floppy and cd rom working again. When I go to dos mode under windows it doesn't work either. I unintall the floppy and reintalled it but nothing. Any ideas or suggestions?