4k Display and Sound settings for LG 4k tv
i had a few yellow and red warnings for video output under display and sound
on xbox to view these details
* Settings - Display and Sound - Video Output - 4k TV Details
i Have an LG 43" 4k tv in the uk how i fixed for my setup
Settings to change on TV!!
just do this for the hdmi port on the tv that you use your xbox one x on
* All Settings - General - HDMI Ultra Deep Colour
change hdmi port to on, tv will require an restart to update the settings, after i done this every option on the xbox was an green tick.