I had this problem as well on a 13" MacBook Pro. My "fix" was to go HDMI to USB-C (instead of Thunderbold to USB-C). I understand this might not be viable for

I had this problem as well on a 13" MacBook Pro. My "fix" was to go HDMI to USB-C (instead of Thunderbold to USB-C). I understand this might not be viable for everyone, but it resolved the issue for me.