To get rid of the problem, I tried to install the amdgpu-pro driver 18.50, but it is supported only in ubuntu 18.04. Then I installed the free driver https://launchpad.net/~oibaf/+archive/ubuntu/graphics-drivers. but unfortunately the problem is not solved.
To get rid of the problem, I tried to install the amdgpu-pro driver 18.50, but it is supported only in ubuntu 18.04. Then I installed the free driver https:/ /launchpad. net/~oibaf/ +archive/ ubuntu/ graphics- drivers. but unfortunately the problem is not solved.