Power cycle your Xbox One console. Try a different HDMI cable. Try a different HDMI port in your TV. Try steps within our blank TV screen troubleshooter(except this because the link is unavailible) Refresh your display settings. If there's a disc in the Xbox One console, eject it.
The first and simplest solution to solve the Xbox One Green Screen of Death is to hard reset the console. If the problem is due to a memory error or a temporary glitch, then you can reset the console and see if it goes away. The procedure to reset Xbox One console is very simple. You might run into an issue of a blank screen when watching a Blu-ray disc if Video output in your console settings is set to Allow 24Hz. To change this setting: Press the Xbox button to open the guide. Select Profile & system > Settings > General > TV & display options. Select Video modes. Select Allow 24Hz to turn off this setting.