Given that your 4K monitor runs at 3840 x 2160 and the others at 1920 x 1080 I would suggest there is an issue right there. That is quite a difference in resolution and which might explain the glitches. Just a thought.
Given that your 4K monitor runs at 3840 x 2160 and the others at 1920 x 1080 I would suggest there is an issue right there. That is quite a difference in resolution and which might explain the glitches. Just a thought.