Friday, November 27, 2009

Restoring grub

GRUB Loading stage 1.5.
GRUB loading, please wait...
Error 17
This is a common error people find when uninstalling windows where linux is also present in that machine.This is because your GRUB may have lost due to uninstalling.

This method puts GRUB back on the MBR (master boot record) of the hard drive instead of in the root partition.
To fix this
1. Boot from a Live CD, like Ubuntu Live, Knoppix, Mepis, or similar.

2. Open a Terminal. Go SuperUser (that is, type "su"). Enter root passwords as necessary.(You may create superuser by typing sudo passwd in terminal when live cd is loaded)

3. Type "grub" which makes a GRUB prompt appear.

4. Type "find /boot/grub/stage1". You'll get a response like "(hd0)" or in my case "(hd0,3)". Use whatever your computer spits out for the following lines.

5. Type "root (hd0,3)".

6. Type "setup (hd0,3)". This is key. Other instructions say to use "(hd0)", and that's fine if you want to write GRUB to the MBR. If you want to write it to your linux root partition, then you want the number after the comma, such as "(hd0,3)".

7. Type "quit".

8. Restart the system. Remove the bootable CD.

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