1) First check whether the display HDMI ports are working fine 2) install DisplayLink drivers in the computer to solve the issue. DisplayLink drivers can be downloaded here: https://www.displaylink.com/downloads Settings on the computer control what ...
This is caused by lack of vídeo codecs on that PC, please update them. You can download a complete video codec pack here: https://files3.codecguide.com/K-Lite_Codec_Pack_1544_Full.exe