So the Intel support engineers can have more information about your system, Download, run, and save the results of this utility as a text file:
Then ATTACH the text file using the instructions under the reply window ( Drag and drop here or browse files to attach ).
Doc (not an Intel employee or contractor)
Thank you for posting on the Intel️® communities.
We see that you tested the latest drivers from the Intel website and the OS is up to date. Because of the customizations included, we recommend that you use the drivers provided by HP*. You can contact HP* to use their customized drivers, verify that the firmware is up to date and HDMI port is working properly.
Intel Customer Support Technician