I removed the hacks and set the maximum brightness to 16777215.
But still as soon as I change the brighness (up or down, via command line or Gnome) the screens goes dark.
If it helps, the screens goes dark in 2-3 steps not right away (but pretty fast).
I removed the hacks and set the maximum brightness to 16777215.
But still as soon as I change the brighness (up or down, via command line or Gnome) the screens goes dark.
If it helps, the screens goes dark in 2-3 steps not right away (but pretty fast).