On Thu July 11 2019 14:28:29 andre_debian(a)numericable.fr wrote:
On my laptop computer , the keys F11 and F12,
adjusts the brightness of the screen.
But on Debian-Stretch with trinity, these two keys do nothing.
I can't help you with F11 and F12 but if it's a 70% brightness
you want you can put "xbacklight -set 70" in a file called
".xsessionrc" in your home directory.
--Mike