[SATLUG] How to fix a broken grub boot after Window 7 upgrade

Dylan Nelson cold2na at gmail.com
Wed Apr 7 17:07:42 CDT 2010


Thanks! Works.! I love SATLUG mailing list. Read it more than my text books

On Wed, Apr 7, 2010 at 4:11 PM, Ernest De Leon <edeleonjr at gmail.com> wrote:

> Here is a link I found to help you out.
>
> http://www.iceflatline.com/2009/09/how-to-dual-boot-windows-7-and-linux-using-bcdedit/
>
> Ernest
>
> On Wed, Apr 7, 2010 at 4:08 PM, Ernest De Leon <edeleonjr at gmail.com>
> wrote:
>
> > You have two options with Win 7 to modify the boot loader. You can run
> the
> > command prompt as administrator and use the bcedit command if you want to
> go
> > the hardcore CLI route, or you can download EasyBCD which provides a gui
> to
> > do the same thing. Very easy. You will just have to know what partition
> > Ubuntu is sitting on so that you can point the new entry in the BCD to
> that
> > partition.
> >
> > Ernest
> >
> >
> > On Wed, Apr 7, 2010 at 3:58 PM, Dylan Nelson <cold2na at gmail.com> wrote:
> >
> >> I am using 9.1 Ubuntu. Can the Windows boot loader boot ext4? Or mount
> it?
> >> Google and Ubuntu forums giving me nothing. And would I do the mounting
> >> inside the live OS. I would rescue it pretty much the same way from
> rescue
> >> mode if it was the option. Also, GParted can't do any this with just
> >> clicking a flag on the original boot partition?
> >>
> >> On Wed, Apr 7, 2010 at 3:40 PM, Jeremy Mann <jeremymann at gmail.com>
> wrote:
> >>
> >> > On Wed, Apr 7, 2010 at 4:35 PM, Dylan Nelson <cold2na at gmail.com>
> wrote:
> >> > > My computer is a dual booted Win / Ubuntu. I did a windows 7 upgrade
> >> from
> >> > > vista and it removed the grub boot option. I know that I can load a
> >> live
> >> > cd
> >> > > and try to rescue it from there. However, all the live cds I have
> tell
> >> me
> >> > > that option is not included on the cd and that I should boot to the
> >> live
> >> > OS
> >> > > and do work from within. How can I rescue my linux partition from
> >> > > Microsoft?
> >> > > Dylan
> >> >
> >> > Which Live CD are you using? If you know what partition your Ubuntu is
> >> > on you can do:
> >> >
> >> > mkdir /mnt/image
> >> > mount /dev/hdaX /mnt/image
> >> > grub-install --root-directory=/mnt/image /dev/hda
> >> >
> >> > This will reinstall the Grub boot sector.
> >> >
> >> >
> >> >
> >> > --
> >> > Jeremy Mann
> >> > jeremy at biochem.uthscsa.edu
> >> >
> >> > University of Texas Health Science Center
> >> > Bioinformatics Core Facility
> >> > http://www.bioinformatics.uthscsa.edu
> >> > Phone: (210) 567-2672
> >> > --
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