Hello > the file /etc/grub.conf is modified this way : > > sed -e "s/splashimage/password --md5 ${MD5PASSWD}\nsplashimage/g" \ > < grub.conf > grub.conf.new > mv grub.conf.new grub.conf Well , I'm not sure you really want to do this that way: # ls -l /etc/grub.conf lrwxr-xr-x 1 root root 22 Feb 26 2005 /etc/grub.conf -> ../boot/grub/grub.conf originally /etc/grub.conf is a symbolic link to /boot/grub/grub.conf -> after your manipulation you substitute it with a file .. and not the one that actually boot loader loads ... > and we re-install grub : > > /sbin/grub-install /dev/sda > > => We get an error message when executing /sbin/grub-install /dev/sda > saying that it is not defined in BIOS And the exact error message is ? ... (you may want to run grub-install --debug /dev/sda) Cheers Jarek __ ------------------------------------------------------- _ Jaroslaw_Polok ___________________ CERN - IT/FIO/LA _ _ http://home.cern.ch/~jpolok ___ tel_+41_22_767_1834 _ _____________________________________ +41_78_792_0795 _