FC1 is pretty old and doesn't get patches anymore, so you might considder upgrading to fc3 or fc4.
even if i try it using "su" at terminal giving the root pswd,
Try su - (with a dash)
Is your device listed in /etc/fstab ?
Sorry, I can't help you any more than this.
Registered Linux user number 389291
Laptop: Nec Versa p550, Pentium M 1.86GHz, 1024MB ram, x300, 80 GB HD, bluetooth, 2915BG Wlan card
Desktop: Amd Athlon x2 4200+, 2GB ram, Geforce 7300GT 512MB silent, 160GB HD in a nice centurion 534 case :cool: