grub rescue commands not working

[Haines Brown <haines@histomat.net>]

My main system cannot boot. No idea how to reinstall grub2 from Live CD, and so look to see what I
can do at grub rescue> prompt.

grub rescue> ls

  returns a big list of partitions. The only one I files from is:

grub rescue> ls (hd1,1)/boot

  returns initrd.img, vmlinux, config,  System.map files, but no .mod files

grub rescue> dump

  I run because I've been playing around,  returns initrd.img, vmlinux, config, System.map files,
    but no .mod files

grub rescue> dump

  I run because I've been playing around, but 'dump' is unknown command

grub rescue> set root=(hd1,1)
grub rescue> set prefix=(hd1,1)/boot/grub

grub rescue> insmod normal
error:  file `boot/grub/i386-pc/normal.mod not found

Haines  Brown