[sanity]

I own a NUC7i3bnh, a HDMI 1.4 capable AV receiver, and a 4k TV (LG-55EF9509). I'm still struggelling with the correct way to connect these devices. As I want 4k movies to show in 4k, I would like to connect the NUC and the TV directly. Should I use the usb-c port or the HDMI port to go to the TV?

Thanks

unfortunatly you are limited by your receiver now. you can connect your nuc directly to your tv and then use a spdif cable from the tv to receiver to get the sound. This will however limit you to Dolby digital or dts. no hd audio or atmos support via spdif.
dunno if its possible to use both digital outputs at the same time on the NUC? if so then you maybe will be able to get both sound and picture (sound via arc) to work. this will make the HD audio work but still no atmos/dtsX and no HDCP 2.2 etc.
In the end I opened the wallet and bought me a new receiver to get everything up to date...for now...