>>Well, according to the files present on /dev/sdb1, grub is installed. I >>tried the chainloader+1, didn't work, now I'm about to reboot and try the >> map syntax to swap the bios drive orders. > And that didn't work either. :( As I said in my earlier email, grub1 will not boot from an ext4 /boot. > I see by the grub file on the F12-x64 dvd that it is still grub-0.97 so it > isn't grub2, which I initially thought might be the problem. grub2 is able to boot from an ext4 /boot but let's not go there. > Is it safe to do a "grub-install /dev/sdb" from an F10 boot? If /boot were ext3, you would have to do mount your F12 partitions with (for example) a "root" partition of "/mnt" and then run "grub-install --root-directory /mnt /dev/sdb" (or "... (hd1)") Are you booting at the moment from /dev/sda or from a CD/DVD? -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines