[lubuntu] Grub2 doesn't work

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http://ubuntuforums.org – Hey all, I installed lubuntu on an old XP machine, but when I boot it up it doesn't give me the option to choose between the two operating systems, it just boots straight to lubuntu. I can mount the XP section of my hard drive from lubuntu and it looks like everything's there. Does anybody have any ideas? Thanks. (Hardware)