Grub doesn't work it seems to give me a command prompt other than a dual boot for fedroa 4 and win Xp I had it working but then I had to reinstall because I forgot the passwork and didn't know the command for resetting the root password. Could you help currently my system is down and I can't use it. I have know clue

Phantom784 and i worked on this but it didn't work. We couldn't figure it out
It is like a dos prompt
grub/
I tried linux rescue with somthing like this (not exact)
chroot
install-grub /dev/hda
It didn't work