Solution: Open a terminal and create the following configuration file, if it does not exist: sudo touch /usr/share/X11/xorg.conf.d/20-intel.conf Now we need to edit this file. You can use any editor be it a terminal one or graphical. sudo gedit /usr/share/X11/xorg.conf.d/20-intel.conf Add the following lines to this file: Section "Device" Identifier "card0" Driver "intel" Option "Backlight" […]
Tag: backlight control
Ubuntu 18.04 Backlight Control Command Line
By default the xbacklight command does not work on Intel HD Graphics: Workaround: sudo nano /usr/share/X11/xorg.conf.d/10-intel.conf: insert: Section "Device" Identifier "Card0" Driver "intel" Option "Backlight" "/sys/class/backlight/intel_backlight" EndSection now add to startup / autostart (lxde) : xbacklight -set 30