Rakesh, redhat uses grub legacy whereas ubuntu is using grub2 so there might be some differences in the commands. But even i think that your partition table is corrupted while updating your system. So you should try to recover the partition as mahesh said.
Regards Aman Thakur _______________________________________________ Ilugd mailing list Ilugd@lists.linux-delhi.org http://frodo.hserus.net/mailman/listinfo/ilugd
