How to fix the control of screen brightness in KDE Plasma 5 in the debian 9/10 with Intel graphical card

  • Install the driver for the intel graphical card
# sudo apt-get install xserver-xorg-video-intel
  • Create the xorg.config file
# sudo vim /etc/X11/xorg.conf
Section "Device"
Identifier "Card0"
Driver "intel"
Option "AccelMethod" "sna"
EndSection
# sudo reboot

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