Considering that the ACPI backlight interface is currently reporting the brightness as 0, it sounds very broken. Something you can try is
Section "Device" Option "Backlight" "intel_backlight" EndSection
Considering that the ACPI backlight interface is currently reporting the brightness as 0, it sounds very broken. Something you can try is
Section "Device"
Option "Backlight" "intel_backlight"
EndSection