Reinstalling grub?

Robert kerplop at
Wed Oct 11 13:52:20 UTC 2006

Knute Johnson wrote:
>> How about giving Super Grub a try.  It can be found here:
>> Looks like a good answer for all of us that are having problems with
>> windows and Linux dual booting.
>> Peter
> Thanks Peter, I'll take a look.

If you haven't got that problem resolved yet, I have the following 
printed and taped inside my Windows/FC5 box. This worked on an old 
system with 2 IDE drives. It also works on a newer system with 3 SCSI 
and no IDE drives. Hope this helps.

Recovery from a screwed MBR (Install GRUB)

1. Boot with a rescue CD
    Go through the obligatory BS; network not needed
2. Once rescue finds Linux, hit OK. Do NOT do the chroot.
         Run grub. Then, from the grub> prompt:
    a. If /boot is an integral part of the / partition:
       grub> find /boot/grub/stage1
    b. If /boot is in a separate partition:
       grub> find /grub/stage1
                    -in either case-
    Grub answers with drive and partition: (hd1,0)
3. Set the root for grub:
    grub> root (hd1,0) (or whatever returned above)
4. Write the MBR on the 1st drive
    grub> setup (hd0)
    (grub will print a bunch of crap, double-checking, and install itself.)
5. Remove the rescue CD and reboot.

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