Thanks for joining the NUC community.
I understand the NUC boots fine with LG TV, meaning that HDMI port and graphics controller are working properly. The problem might be compatibility with Insignia TV.
Are you getting any video once your NUC boots to windows with Insignia TV? If you are getting video after windows booted, you may need to load latest TV drivers from Product Support | Insignia
Thanks for your prompt reply.
Our NUC's run Linux.
I agree that it maybe a compatibly issue between Insignia and the NUC. However this is difficult for me to accept. I would imagine if the HDMI-certified device is connected to a HDMI-certified display: the display would work. As a product manufacturer, it's a difficult position to identify and confirm my clients have a "compatible" HDMI-Compatible TV.
You are welcome.
Intel does not test and validate Intel® NUC on Linux, however we know that a lot of NUC owners are using it successfully on many different Linux distros.
Intel suggests you check your Linux distro's website and forums at Login | Linux.com for peer assistance with this issue.