This was a problem for me on intrepid with a sony viao if I run " xrandr --output LVDS --set BACKLIGHT_CONTROL native" I am able to control the screen brightness with Fn-F5/6.
This was a problem for me on intrepid with a sony viao if I run " xrandr --output LVDS --set BACKLIGHT_CONTROL native" I am able to control the screen brightness with Fn-F5/6.