Here is a workaround to set the Brightness via shell: ~$ sudo setpci -s 00:02.0 F4.B=75 (to set Brightness to 75%) be careful with low values, 00 is completely black.
Here is a workaround to set the Brightness via shell:
~$ sudo setpci -s 00:02.0 F4.B=75
(to set Brightness to 75%)
be careful with low values, 00 is completely black.