I have just purchased a Beelink 12th Gen Mini PC SEi12, 12650H. The machine is great - very quick. However the DisplayPort does not work for me. I have a dual HDMI monitor setup, and the HDMI port to one of the monitors works fine.
There are no additional monitors listed in Device Manager, which leads me to believe that either the port is faulty, or I have the wrong cable. The one I purchased is:

Any advice? - do I need a more intelligent DP -> HDMI cable?

    MarkH Hi there,

    The DP port is 1.4 Version, please buy an active DP1.4 to HMDI2.1 cable ,here is the reference ：