How to reinstall Grub in linux

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This short Totorial shows you the snelest way to reinstall Grub

 

1- Boot off the LiveCD

2- Open a Terminal and type in the following command

su -c grub 

if doesen`t work try

sudo grub

This command will take you to the Grub prompt.

3- Now type the command bellow, this will return a location. If you have more than one, select the installation that you want to provide the grub files.

find /boot/grub/stage 

4- After type the command

root (hd0,0)

hd0,0 implies the first hard drive and the first partition on that drive,

IMPORTANT : Again use the value from the find command i.e. if find returned (hd0,1) then you would enter root (hd0,1)

5- type the command bellow  to install it on hd0, that is MBR of the first HD :

setup (hd0)

6- now exit

exit 

 

You will have to reboot your computer and remove your live cd, you should then find the grub back.

Please report if you encountred problems reinstalling Grub. Thanks

For questions please refer to our Q/A forum at : http://ask.unixmen.com/


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