i have the same problem with mine. its been happening for about 4 months now. i just keep turning it off and back on again. it usually takes about 3-5 times on mine, but has gone longer. what the problem is, it has something to do with the "circut" that sends the signal into your t.v. there is a fix for it on youtube i believe, looks fairly simple but i'll do that once i cant get it going after a while.