No picture or sound when turn tv on

[sheilarsquires]

92” Mitsubishi tv model WD 92A12 when I turn on I have a green stays light stays on quite a while but no picture or sound then status light turns red and stays red until I hold the power button for a few seconds then status light turns to a fast blinking green light until it eventually shuts off

 

[smorizio]

using the input button can you change inputs to see if one of the hdmi ports went bad??