Re: Grub problem, can't boot.

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On Fri, 2008-01-25 at 07:59 +0900, John Summerfield wrote:
> Erik P. Olsen wrote:
> > I know it's my own fault but can't see a way out. I made an entry to 
> > grub.conf of an F7 system that I am currently building. The purpose of 
> > this entry should be to launch BookManager. I have tried many variations 
> > to no avail and at this last time I got the idea from some grub 
> > documentation that I should code the entry as:
> > 
> > Title BookManager
> >       map (hd0) (hd1)
> >       map (hd1) (hd0)
> >       rootnoverify (hd0,1)
> >       makeactive
> >       chainloader +1
> > 
> > All my (stupid) attemps did not launch BookManager but did no other 
> > harm. It was not till I added the two map statements that I got the 
> > problem that after the first attempt to load BM I was no longer able to 
> > boot the F7 system. Clearly the statements had ruined my boot loader 
> > somehow. Is there a way to rectify the damage? I had not expected that 
> > this would cause a permanent damage to the system.
> 
> 1. use grub's ability to edit the in-memory menu to delete and/or modify 
> lines.
> 2. use the grub command line to type the commands and boot manually. One 
> of the great things about grub is that anything it can boot, it can boot 
> without a menu.
alternatively boot the cd in rescue mode, or use knoppix to boot the
system from CD, mount your system disk and edit grub.conf again.

Regards,
Les H


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