I have followed a few different methods of trying to get my Sony DVD player to be recognized on the TCL but it keeps asking me if it is turned on. It used to work just fine. I've tried different HDMI cables different HDMI ports. But it still does not see it. I've removed the HDMI "button" on the home screen & plugged it in & it sees something is there but still asks if it is turned on or plugged in. Please help!