Tested with a brand new LG monitor (IPS277L), this cable will display a suitable image but does not support, oddly enough, the screen saver mode. So it stays on 20 seconds after the stop or standby PC. Tested with an HDMI cable "Amazon Basics", the watch is immediately supported. There has HDMI cable and HDMI cable ...! Returns are in my care costs, he moved to the trash because 299 is too expensive for the return.