On Tue, Sep 20, 2005 at 06:59:02AM -0400, Jim Cornette wrote: > Ian wrote: > > >Hi Jim, > >Thanks for the response. > >My problem is, though, that I can't boot FC4 at all, because grub > >didn't get installed when I reinstalled FC4. The master boot record > >still contains lilo from my install of Mandrake, and it won't boot > >FC4. So I have no way of changing any grub settings. I think they call > >it stuck between a rock and a hard place... > >Ian > > > An easy way to wipe out the MBR information is by booting up a startup > disk for the w9x series OS and typing "fdisk /MBR". This wipes out grub > or lilo from the master boot record. A DOS boot disk with fdisk on it > should do the same, using "fdisk /mbr" > XP uses the recovery console and I believe you type fixmbr to clear the mbr. > To clear the MBR in Linux, I don't know how to do this. There is > probably a utility to clear the MBR somewhere. > > Jim Another way to do it is: dd if=/dev/zero of=/dev/hda bs=1 bc=446 or: dd if=/dev/zero of=/dev/hda bs=446 bc=1 But I don't understand why you can't boot with linux rescue, chroot to your FC4 root partition (chroot /mnt/sysimage) and run grub-install Obviously hda might be hdb or sda, etc. -- ------------------------------------------- Aaron Konstam Computer Science Trinity University telephone: (210)-999-7484
