I just added those to the /etc/rc.local and the problem has been solved: echo 1 > /sys/bus/pci/devices/0000\:02\:00.0/remove echo 1 > /sys/bus/pci/rescan service lightdm start
I just added those to the /etc/rc.local and the problem has been solved: pci/devices/ 0000\:02\ :00.0/remove
echo 1 > /sys/bus/
echo 1 > /sys/bus/pci/rescan
service lightdm start