here you go:
http://askubuntu.com/questions/97655/error-out-of-disk-message-after-fresh-install-of-11-10
http://askubuntu.com/questions/18531/error-out-of-disk-grub-rescue
http://askubuntu.com/questions/112251/grub-rescue-hd0-out-of-disk
http://askubuntu.com/questions/155051/error-hd0-out-of-disk-grub-rescue
http://askubuntu.com/questions/125882/grub-rescue-error-hd0-out-of-disk
http://askubuntu.com/questions/4336/how-do-i-get-my-machine-to-boot-with-a-grub-out-of-disk-error