A few weeks ago I want to use a HDMI Monitor with my XPS but it didn't work. Half year ago it was working with this HDMI adapter. I am using Windows 10 Ver. 1803. All drivers are up-to-date. When I plug in the adapter and connect it to a Monitor, the Computer recognizes that a Monitor is plugged in but as soon as I want to extend or mirror the monitor the configuration jumps back to single monitor mode. I don't understand why I am not able to change the config to second monitor when I can see the second Monitor in display config. So I tried to figure out what the problem is.
Here some other investigations I mage:
Can somebody please help? How can I investigate what the Problem is and how can I get it to work again?