An alarm souding noise went off like a siren and the remote control would not shut off the t.v. or you couldn't shut it off on the t.v. either, so it was turned off by the power bar, now when I restart I get the Vizio to turn from Yellow to White, but then the white dims and there is no picture, no sound, you can't shut it off at the site on the t.v. or use the remote.