This bug affects me as well. I tried the above solution with intel graphics upgrade, but that didn't help. Only thing that hels is gala restart. This bug appears once you leave your PC powered on a few days. It happens always, not just sometimes.
This bug affects me as well. I tried the above solution with intel graphics upgrade, but that didn't help. Only thing that hels is gala restart. This bug appears once you leave your PC powered on a few days. It happens always, not just sometimes.