Merryman: Thank you very much for contacting the Intel® communities. We are sorry to hear the NUC is not working as expected.
In order to try to fix this issue, we can try a BIOS update to the latest version 0054 using the F7 method:
Please install the latest graphics driver for the NUC, version 4815:
Any further questions, please let me know.
Thank you for your help. Installing the latest graphics driver did the trick.