What I meant is what happen if you do:
sudo echo 15 > /proc/acpi/video/VGA/LCDD/brightness sudo echo 5 > /proc/acpi/video/VGA/LCDD/brightness
If 5 is brighter than 15 then it could still be a kernel problem but even then, maybe not..
What I meant is what happen if you do:
sudo echo 15 > /proc/acpi/ video/VGA/ LCDD/brightness video/VGA/ LCDD/brightness
sudo echo 5 > /proc/acpi/
If 5 is brighter than 15 then it could still be a kernel problem but even then, maybe not..