tech stuff » re-enable grub http://codytaylor.org From Cody Taylor. Sun, 30 Oct 2011 04:15:41 +0000 http://wordpress.org/?v=2.8.4 en hourly 1 Re-Enable Grub For Linux After Windows Install http://codytaylor.org/2009/08/re-enable-grub-for-linux-after-windows-install.html http://codytaylor.org/2009/08/re-enable-grub-for-linux-after-windows-install.html#comments Mon, 17 Aug 2009 04:30:24 +0000 Cody Taylor http://codytaylor.org/?p=14228 Following the installation of Windows 7 on my desktop machine that was previously running Ubuntu 9.04, I realized that one of my partitions was missing. It was formatted as ext3 so of course it wouldn’t show up in windows. When I went to boot back into linux the grub boot manager was gone. The machine just booted straight into windows 7.

To re-enable grub was a lot simpler than I thought it would be. Since the Ubuntu 8.04 install disc that I had lying around also works as a live disc I booted my desktop off that. Once Ubuntu started up I opened up a terminal and typed these commands:


sudo grub
root(hd0,7)
setup(hd0)
quit

I then rebooted and grub was back to normal with both my Ubuntu operating system and windows 7 listed. Note that hd0,7 was the partition where I installed Ubuntu. If you installed linux before windows then you will probably want to use hd0,0. I installed windows 7 over a broken windows xp partition that I had installed before everything else.

If you installed ubuntu before you installed windows then you’re probably going to have to edit your ‘/boot/grub/menu.lst’ file. The grub documentation may be helpful.

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