Hi! I just upgraded my Apple TV 4K 1st gen to 3rd gen. Everything works perfectly with my old Apple TV but not my new one that doesn’t show 4K HDR or SDR as a resolution option. The highest available is 1080. Also there is no option to check my hdmi cable and it’s not possible to change chrominans from 4:2:2, which is strange to me since 4:2:0 is a less complicated setting.. frustrated!
Apple TV 4K, tvOS 16
What is the model TV?
Do you have a direct connection between the new Apple TV box and the TV, or is there equipment in between?
Is the HDMI port on the TV, to which the Apple TV box is connected, capable of 4K HDR, and HDCP 2.2 or better? A few years back a lot of TVs shipped with HDMI ports of varying capability on one set, e.g. both HDMI 1.4 and HDMI 2.0 ports. Additionally some TV brands need to have their HDMI ports configured for high bandwidth use. That can be for each port differently.
Do you use 18 Gbps or better certified (“Premium High Speed” or better) HDMI cables?
It started by itself when I did a sound and picture test on my sony bravia. It was as if the apple tv could not perceive that the equipment was capable of 4k quality until after I did this test.
No 4K option
