Yes, please remove both of those from your system and follow the steps in comment #3. The drivers you installed seem to be causing problems so we can't really see the original problem right now.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1813701 Title: [amdgpu] Flickering graphics corruption in kernel 4.18.0-13.14-generic 4.18.17 (but none observed in kernel 4.18.0-10) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1813701/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs