If you are stuck at Green Screen of Death and you are not able to do anything then the only thing you can do is a hard reset. Just press the Power button for 20-30 sec and your system will turn off.

While watching YouTube videos, if you get a green screen problem randomly, here is how you can fix it. It may appear on almost any standard browser, including Google ...

To fix the Xbox One Green Screen of Death, try a hard reboot by holding the power button for 10 seconds. If it persists, perform an offline update with a USB, reset to factory defaults, or reformat ...