Check if it's a DP or HDMI connection. Confirm you're using the appropriate bandwidth cable for your display (like 4K HDMI 2.1 versus 1440/1080P at 144Hz HDMI 2.0).
Check if it's a DP or HDMI connection. Confirm you're using the appropriate bandwidth cable for your display (like 4K HDMI 2.1 versus 1440/1080P at 144Hz HDMI 2.0).