I tried. They disable the control functionality for the first set of ads. I press brightness until screen is off as soon as I sit down. Screen comes on for th

I tried. They disable the control functionality for the first set of ads. I press brightness until screen is off as soon as I sit down. Screen comes on for the ads and the safety video. Screen goes back to off for the rest of the flight. Happened this week on a United on a 737.