1. Reinstalling grub from the Fedora Rescue Boot off the rescue CD. Mount your boot partition as /mnt/sysimage # linux rescue # mount /dev/hda6 /mnt/sysimage # chroot /mnt/sysimage/sbin/grub (run grub on the installed linux). grub> root (hd0,5) <- hda6 is hd0,5 grub> find /boot/grub/stage1 grub> setup (hd0) This command will install GRUB on the MBR of the 1st drive.