[newbie] LI boot prompt

[cyberclay]

Hey,
  When attempting to upgrade to a newer
version of Mandrake, apparently grub failed
to completely delete the portion of my MBR
containing lilo, because now when I boot up
grub doesn't run and an "LI" is printed on
the screen.  How can I fix this?  The computer
doesn't have windows on it, but I can run
the "rescue" thing from the CD's lilo menu.
   Any help would be greatly appreciated.

Regards,
  cyberclay

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