This message was posted on behalf of Intel Corporation
Hamza-M: Thank you very much for joining the Intel® NUC communities. We are sorry to hear the NUC is not working as expected.
Based on the research we did, the problem could be related to the resolution that the NUC is working with. Just to rule out that possibility, do you have the option to use a converter to test the NUC with a VGA monitor? On the following links you will be able to confirm that information:
Additionally on the link below you will be able to find graphics drivers for Ubuntu:
And this is the link for Ubuntu forums, where you might be able to get further suggestions and information from the peers in there:
Any further questions, please let me know.