Comcast said 87 percent of Xfinity TV subscribers with X1 set-top boxes watched Olympic events on NBC, cable networks and Peacock. This article, New features drive Olympic engagement on Comcast ...

Booting up your Xfinity X1 TV box After you plug in your power cord, the X1 starts the boot-up process automatically. If it doesn't, press the power button on the top of the device.