[LAU] Slightly OT: Re-Installing GRUB

Folderol folderol at ukfsn.org
Sat Jun 14 12:40:08 EDT 2008

On Sat, 14 Jun 2008 10:03:39 -0400
"Christopher Stamper" <christopherstamper at gmail.com> wrote:

> It's kinda OT, but I really need some help and this is the most active forum
> I know of.
> I've been running a dual-boot system: Ubuntu Studio and Window$ XP. Of
> course, Windows needs reinstalled every month because of 'problems', so I
> just finished a reinstall.
> The problem is, it re-wrote my MBR and put its dumb boot loader in. Now my
> pc will only boot windows, because GRUB is no longer in the MBR.
> My drive looks like this:
> hd0,0: Windows
> hd0,1: swap
> hd0,2: Studio
> So I need to have GRUB in (hd0,0)'s MBR to boot. When I try "grub-install
> /dev/sda0" it install grub. However, using the chainloader on (hd0,0) causes
> grub to start *again *instead of windows, thus causing an endless loop.
> So I need to install it in the MBR without messing with the boot sector, I
> think. (I've done the dos command fixmbr and fixboot, so now windows boots
> and linux wont again.)
> Any suggestions would be greatly appreciated! Thanks!
> (I'm not at all worried about messing with my MBR)

Get a copy of supergrub. It will search the partitions for a grub
bootloader and invite you to repair it. ie. rewrite the MBR

Will J Godfrey

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