Thank you for joining the Intel® NUC community. I am sorry to hear that you are having problems with the HDMI port on this Intel® NUC.
Please let's try to address this matter updating the following components:
- BIOS version 062: https://downloadcenter.intel.com/download/27120/BIOS-Update-SYSKLi35-86A-?product=89190
- Chipset driver: https://downloadcenter.intel.com/download/26887/INF-Driver-Pack-for-Windows-8-1-64-Bit-for-Intel-NUC-Kit-NUC6i3SY-and-NU…
- Intel® HD Graphics driver: https://downloadcenter.intel.com/download/26260/NUCs-Intel-HD-Graphics-Driver-for-Windows-10-for-Intel-NUC-Kit-NUC6i-x-S…
Please let me know how it goes.
Thanks for that.
I think all of my drivers are up to date but I will check. It could be a hardware fault.