On 22 janv. 2017 20:40, Robin Cook <rcook@???> wrote:
> On Sun, 22 Jan 2017 17:18:04 +0100
> Christian Marillat <marillat@???> wrote:
[...]
>> You have this problem since when ?
[...]
> It has been a bit. I have been trying different video programs to see
> if one would work as well as hoping an update would fix it but nothing
> so far.
I think you Xorg configuration is brken or you are missing a package.
Could you read this documentation and check if your configuration is
correct ?
https://wiki.debian.org/AtiHowTo
Christian
