Grub fails when moving HD to a new computer

[Billy Tallis]

On Wed, 16 Mar 2005 09:02:56 -0500, Eric Wood <eric at interplas.com> wrote:
> ----- Original Message -----
> From: "rescondio"
> > Even after reinstalling grub.. I can place HD again on the original
> > computer and boot without any trouble.
> 
> It your BIOS in your new system set to LBA or AUTO? I'm wondering if your
> BIOS'es is detecting the drive geometry differently than your other
> computer.
> 
> If you original computer had manual drive setting plugged into its BIOS,
> then you will have boot problems in other systems.
> -eric wood
> 
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I think that in your case the drive is changing letters from hda to
hdb or something. Make a grub boot floppy. IIRC, using grub-install is
dangerous and frowned upon, at least compared to grub itself. Put the
drive in the new computer and use grub on the floppy to locate what
drive the stage 2 is on. The form is (hd0,0) for what would normally
be hda1. You just need to reinstall the stage 1 bootloader setup so
that it can find the stage 2 where it expects it to be. You should
also be able to directly load the kernel from the boot floppy to check
if it works.