Did you enable UHD in your TV settings?
Most TVs need that option to be enabled first, plus you need to check which HDMI ports support HDCP 2.2 on your TV.
Edit: Sorry unnecessary reply
Did you enable UHD in your TV settings?
Most TVs need that option to be enabled first, plus you need to check which HDMI ports support HDCP 2.2 on your TV.
Edit: Sorry unnecessary reply