try to make a backup with "sudo cp /etc/X11/xorg.conf/etc/X11/xorg.conf-backup" answer is cp: missing destination file operand after /etc/X11/xorg.conf/etc/X11/xorg.conf-backup Try 'cp --help' for more information I guess that I need a source destination but how I do this+where must it be placed in the backup comand regards Rene