How to Fix Grub Rescue
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How to fix Grub Rescue –
From within rescue mode.
- Command: ls
It will list all your drives and partitions, just like:
(hd0) (hd0,msdos2) (hd0,msdos1)
- If you don’t know your Ubuntu boot partition, check them one by one:
ls (hd0,msdos2)/
ls (hd0,msdos1)/
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When you hit the right one, you’ll get a line mentioning ‘ lost + found ‘, & more importantly ‘boot’, and so on.
- Assuming (hd0,msdos2) is the Ubuntu partition:
set prefix=(hd0,2)/boot/grub
set root=(hd0,2)
insmod normal
normal
- Now you’ll be able to boot into Ubuntu. Once you do, execute the following commands on a terminal (ctrl+alt+t):
sudo update-grub
sudo grub-install /dev/sda
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or you can simply boot from your windows cd/USB and after booting press ctrl/alt + F10..
enter
bootrec /fixmbr
bootrec /fixboot
bootrec /scanos
bootrec /rebuildbcd
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