Answer to: Tv starts to flicker while Connecting Ps4I'm assuming your house was built after 1970 and the electrical outlets are all grounded according to code. If so then we can rule out an electrical outlet issue, next I do a factory reset of all settings, then update firmware.
Answer to: No lights, nothing is onFirst Check the outlet for power. This sounds to simple, but its usually the issue. If it doesn't work respond back.