Eccomi qui. Ho fatto come mi hai detto ma niente da fare. Si apre come sempre la schermata blu di Mandriva e mi da questo messaggio:

....
Loading ide_generic module
Loading ide_disk module
No resume device specified
Trying userspace resume from suspend.conf file
No resume device in suspend.conf
Trying suspend2 resume
Trying tuxonice resume
Creating route device
Mounting root filesystem
mount: could not find filesystem ' /dev/root '
Setting up other filesystems
Setting up new root fs
setuproot moving /dev failed: No such file or directory
no fstab.sys, mounting internal defaults
setuproot: error mounting /proc: No such file or directory
setuproot: error mounting /sys: No such file or directory
Switching to new root and running init.
unmounting old /dev
unmounting old /proc
unmounting old /sys
switchroot: mount failed: No such file or directory
Booting has failed.

Se hai la pazienza di leggerlo ti ringraziero per ennesima volta.