10.4.1. Trouble With the Graphical GRUB Screen on an x86-based System?
If you are experiencing problems with GRUB, you may need to disable the graphical boot screen. To do this, become the root user and edit the /boot/grub/grub.conf
file.
You may re-enable the graphical boot screen by uncommenting (or adding) the above line back into the grub.conf
file.