My Dell XPS 13 Ultrabook goes to maximum brightness whenever I close the top and I have to execute the following command in order to control the brightness again:
echo 0 > /sys/class/backlight/intel_backlight/brightness The following script in /etc/pm/sleep.d/ is said to fix the problem: http://ubuntuforums.org/showpost.php?p=11783826&postcount=40 I created it and made it executable but it doesn't work for me. Does anyone know what the problem might be? - Grant