edit /boot/grub/grub.cfg and modify this code:
if font (hd0,2)/grub/unifont.pff ; then set gfxmode=640x480 insmod gfxterm insmod vbe terminal gfxterm fi
with the right one:
set gfxmode=640x480 insmod gfxterm insmod vbe terminal gfxterm
edit /boot/grub/grub.cfg and modify this code:
if font (hd0,2) /grub/unifont. pff ; then
set gfxmode=640x480
insmod gfxterm
insmod vbe
terminal gfxterm
fi
with the right one:
set gfxmode=640x480
insmod gfxterm
insmod vbe
terminal gfxterm