I am restating my question as posed on my previous post. I cannot change the brightness on my machine.
I have a Lenovo Ideapad (330S-15ARR - Type 81FB) running Ubuntu 18.04.4 with an AMD Ryzen 5 2500u with radeon vega mobile gfx × 8.
the result is
Has anyone else had a similar issue and found a resolution?
Apologies about my previous question not being detailed enough, I have been absent from tech for some time now.