Is your default brightness adjust not working? Many KDE users face this problem time and time again, across distros. Don't lose faith, because there's a good chance that this application will successfully alter your screen's brightness.
- KDE on your Linux machine
- Intel Integrated Graphics Card
- kdesudo : Open terminal to install. Type:
sudo apt-get install kdesudo
NOTE: If you don't want to install any aditional package or don't prefer using GUI, then you can try the command line fix available here.
