@ maurizio,
non mi ero accorto che eri stato tu a rispondere

vi riporto il contenuto della cartella /boot/grub/menu.lst
timeout 10
color black/cyan yellow/cyan
gfxmenu (hd0,0)/boot/gfxmenu
default 0
title linux
kernel (hd0,0)/boot/vmlinuz BOOT_IMAGE=linux root=/dev/hda1 resume=/dev/hda5 splash=silent vga=791
initrd (hd0,0)/boot/initrd.img
title linux-nonfb
kernel (hd0,0)/boot/vmlinuz BOOT_IMAGE=linux-nonfb root=/dev/hda1 resume=/dev/hda5
initrd (hd0,0)/boot/initrd.img
title failsafe
kernel (hd0,0)/boot/vmlinuz BOOT_IMAGE=failsafe root=/dev/hda1 failsafe
initrd (hd0,0)/boot/initrd.img
GRAZIE
