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The time now is Tue 21 May 2013, 10:30
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Forum index » House Training » HOWTO ( Solutions )

How to repair ubuntu grub2 MBR of your hd
Moderators: Flash, Ian, JohnMurga

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watchdog

Joined: 28 Sep 2012
Posts: 118

Posted: Thu 02 May 2013, 08:40 Post subject:

How to repair ubuntu grub2 MBR of your hd

It can happen that your pc with ubuntu and grub2 (grub-pc) even in dual-boot with windows gets its mbr damaged. There are several tutorials on the internet how to repair mbr by a ubuntu live cd/dvd. I use puppy linux. You can use puppy in ram mode or you can boot a pupsave on your hd. Assuming that sdax contains the ubuntu install you have to type the following commands in puppy console:

Code:

mkdir /mnt/dir
mount /dev/sdax /mnt/dir
mount --bind /dev /mnt/dir/dev
mount --bind /proc /mnt/dir/proc
mount --bind /sys /mnt/dir/sys
chroot /mnt/dir
grub-install /dev/sda
exit
umount /mnt/dir/dev
umount /mnt/dir/proc
umount /mnt/dir/sys
umount /mnt/dir

Restart your system.

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