Grub not installing when Xubuntu installs

[chris]

On Tue, 2012-06-12 at 17:33 -0400, Bill Stanley wrote:
> On 06/12/2012 04:15 PM, Bill Stanley wrote:
> > On 06/12/2012 03:56 PM, chris wrote:
> >> On Tue, 2012-06-12 at 19:39 +0100, Liam Proven wrote:
> >>> On 12 June 2012 19:26, Bill Stanley<bstanle at wowway.com> wrote:
> >>>> I am cleaning up an older computer that had before successfully dual
> >>>> booted.
> >>>> I did a full reinstall of Windows and installed all of the patches
> >>>> etc. it
> >> <snip>
> >>>
> >>> Is it possible in the BIOS to tell the PC to boot from sdb instead of
> >>> sda?
> >>>
> >>> --
> >>> Liam Proven • Profile: http://lproven.livejournal.com/profile
> >>> Email: lproven at cix.co.uk • GMail/G+/Twitter/Flickr/Facebook: lproven
> >>> MSN: lproven at hotmail.com • Skype/AIM/Yahoo/LinkedIn: liamproven
> >>> Tel: +44 20-8685-0498 • Cell: +44 7939-087884
> >>>
> >>
> >> You can run a google for the grub2 recovery disk iso, and use that to
> >> sort things out.
> >> I have used it successfully many times in a similar situation to yours.
> >
> >
> > Thanks, but I see something called a "Super Grub disk" which claims to
> > do it but I am not sure. Does this web page look right?
> >
> > http://www.supergrubdisk.org/
> >
> > Bill Stanley
> >
> I tried the super grub disk but that does not seem to be the right 
> choice.  It repairs an EXISTING boot setup but does not install a new one.
> 
> -- 
> 
> Bill Stanley
> 

True, but it will boot into an existing Linux distro, which then allows
you to run  sudo grub-install /dev/sda1 if that is where your boot disk
is,  then sudo update-grub.

This will reinstall the boot loader to the correct <active> partition