[NUC] Display Issue When Connected to 4K Display with HDMI

What are you seeing?

Display problems when the NUC is connected to a 4K display, such as:

• You can see the picture when connected to DisplayPort, but not when connected to HDMI.
• The Windows login screen doesn't appear.
• The 4K display shows Input Not Supported.
• The picture turns on and off.

Why are you seeing it?

• Your 4K display might require a firmware update.
• The HDMI driver isn't installed.
• The HDMI driver is outdated.
• The HDMI cable may not be a high-speed (category 2) cable.

How to fix it

• Check to make sure the HDMI Firmware on the NUC is up to date.
• Check the support site of the 4K display manufacturer to see if a firmware update is required.
• Download and install the latest driver or firmware.
• Make sure to use a high-speed HDMI cable.