After update to SUSE Linux 11 SP4, it stuck on a black screen written grub>

After updating a Suse Linux 11 to SP4, I’ve booted the server and it was stuck on a black screen written grub>

To solve this problem it is needed to:
Boot using a Suse Linux 11 DVD
Select Rescue System
Choose a language
Login as root

# grub
find /boot/grub/stage1
root (hd0,0) -> type according to your system, found using find /boot/grub/stage1
setup (hd0)

Reboot the server
reboot -d -n -f