The Xbox is not displaying on the TV.
"When turning on TV mode on Xbox One, the HDCP protection feature is activated, preventing recording as the signal is protected. To disable HDCP and enable gaming and recording, you can simply restart the Xbox One game console.
Here's how to reboot the game console:
https://www.youtube.com/watch?v=qT5bxJlifMc
http://support.xbox.com/en-US/xbox-one/system/hdcp-error