A: Most hotels use a control system that overrides the TV's buttons and remote. Look at the back of the TV and you'll see a control unit. Simply unplug the control cable from the control box to the TV and the input buttons on the side or front of the TV will work.
You can switch to your HDMI laptop output and enjoy Netflix. Make sure that after you're finished you switch the input of the TV back to the original source and plug the control box back in.