There are HDMI2.0, DP and EDP three display port, EDP is not suggested to using converter regularly, but it not mean EDP converter not work, just it require high quality converter adapter and also not so friendly to some monitors, if it not shows as the video, just restart the pc would be ok.
EDP to VGA display video:
EDP to HDMI display video:
Using DP cable to connect EDP port to monitor directly:
All above three display port can work together, support three simultaneous displays, if EDP port not show directly as other two ports, restart the pc would be ok.
To make sure the port working fine with your monitor, it’s better getting the convers from hystou directly.