Installed GRUB2 in place of GRUB and now Ubuntu does not boot

If you can boot up using the Ubuntu Cd and use

Applications - Accessories - Terminal

or alternatively do a normal boot but use the second Ubuntu option, the one that has "Recovery Mode" at the end of the line to "drop to a Root shell" or something.

Either way on a command-line type in

sudo grub

find /boot/grub/stage1

this should give at least one but possibly more results such as (hd0,2), which would mean 1st, primary hard-drive's 3rd partition, the one Ubuntu normally calls sda3. Grub is good at talking to machines rather than people so it counts from 0. Anyway take the numbers it gives you and replace my numbers in this example with the ones your machine gave you

root (hd0,2)

setup (hd0)

quit

Hopefully that should reinstall the proper grub and booting into Windows or Ubuntu should work fine now, so just reboot :)
Good luck and regards from
Tom :)

Hello Tom:
Thank you for taking the time to answer my question :) Do I know you? Have you by any chance been a helpful hand at the old MICRION?
Feedback about the answer: I used the Ubuntu CD to boot and got to " Applications - Accessories - Terminal". From there I was able to reinstall GRUB but, unfortunately, I did not removed the GRUB2 empty file, so I ended at the same place as before (my fault), and reinstalled Ubuntu 9.04. Fortunately I have a different HD partition for /home so I did not lose much stuff. Things are AOK now, at least until my next boo-boo!
Best regards.
Hernan

-----Original Message-----
From: <email address hidden> [mailto:<email address hidden>] On Behalf Of Tom
Sent: Friday, May 08, 2009 2:54 PM
To: <email address hidden>
Subject: Re: [Question #70347]: Installed GRUB2 in place of GRUB and now Ubuntu does not boot

Your question #70347 on Ubuntu changed:
https://answers.launchpad.net/ubuntu/+question/70347

    Status: Open => Answered

Tom proposed the following answer:
If you can boot up using the Ubuntu Cd and use

Applications - Accessories - Terminal

or alternatively do a normal boot but use the second Ubuntu option, the
one that has "Recovery Mode" at the end of the line to "drop to a Root
shell" or something.

Either way on a command-line type in

sudo grub

find /boot/grub/stage1

this should give at least one but possibly more results such as (hd0,2),
which would mean 1st, primary hard-drive's 3rd partition, the one Ubuntu
normally calls sda3. Grub is good at talking to machines rather than
people so it counts from 0. Anyway take the numbers it gives you and
replace my numbers in this example with the ones your machine gave you

root (hd0,2)

setup (hd0)

quit

Hopefully that should reinstall the proper grub and booting into Windows or Ubuntu should work fine now, so just reboot :)
Good luck and regards from
Tom :)

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Nicely done :)))
Congrats on fixing it. Good to hear you have a separate /home, that makes things much easier. Sorry it went to a full install tho.
There's a lot of Toms in here, i don't know Micrion but always glad to help :)
Thanks and regards from
Tom :)