Before I have been experience many shits from 98. have to restart my poor pc all the time! so I updated it to 2k, (what i should have done is: backup registration inf).....any way, now I may detect my D drive at "Setup" I may enter when just turn pc on.......but I could detect it in my windows2k, in device management, or hardware detect. don't know what's wrong!

Can anybody help me pls! I am dying.......saved so many important files on D drive! 5555555555.