Restore grub boot loader

On June 11, 2009, in boot loader, Debian and Ubuntu, grub, recover, Restore, by Dipin Krishna

I installed ubuntu and then vista, i found that my ubuntu grub was lost..

I followed these steps to “restore” the “grub boot loader” of ubuntu.
Here are the steps

1. Boot from the ubuntu Live CD.

2. Now open a terminal from Applications -> Accessories -> Terminal.

3. Now you need to start grub as root

$ sudo grub

Following was the output for me

[ Minimal BASH-like line editing is supported. For

the first word, TAB lists possible command

completions. Anywhere else TAB lists the possible

completions of a device/filename. ]

grub>

5. Now find the disk location of your ubuntu installation

grub> find /boot/grub/stage1

i got it as (hda0,2)

6. Now you will need to set the root device with the help of the above result.

grub> root (hd0,2)

7. Now setup the grub

grub> setup (hd0)

8. Exit grub

grub> quit


Now restart the system. Your ubuntu grub will be back.


 

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