This issue is more serious than it sounds. After unlocking the screen my display has horizontal flickering lines and a bad/visible refresh rate. They disappear after a couple of minutes but I'm afraid this will affect my display on the long run.
This issue is more serious than it sounds. After unlocking the screen my display has horizontal flickering lines and a bad/visible refresh rate. They disappear after a couple of minutes but I'm afraid this will affect my display on the long run.