I accidentally pushed a button on the remote. I think the screen said "can't change channels in video" There's no video button on the remote. I couldn't turn the TV off with the remote so I used the on-off button on the TV. Now I can't do anything--with the remote or the TV controls. Help.

I accidentally pushed a button on the remote. I think the screen said "can't change channels in video" There's no video button on the remote. I couldn't turn the tv off with the remote so i used the on-off button on the tv. Now I can't do anything--with the remote or the tv controls. Help.
Un plug the TV