The official Xbox Support Twitter channel says you need only “power cycle” your Xbox One by holding the power button for 10 seconds to fix the issue. Simple enough.
Unfortunately for some users, the Xbox One “black screen” issue interrupted their Titanfall beta gameplay sessions. Though it’s a headache and an inconvenience, the issue does not appear to be very widespread or significantly damaging, so you can rest easy and continue playing Titanfall until the beta ends tomorrow, February 19.
The February Xbox One update rolled out on Friday, February 15. It added a battery power indication and USB keyboard support, while also improving storage space management.