I accidentally somehow locked my tv, now i see nothing but a blue screen with a red padlock in the lower corner. I have tried everything to unlock it, but the remote seems to not even work at all (i can only turn on the tv manually, and that's all i can do at all.) I tried holding display for four seconds like manual says, but its as if my remote has dead batteries, though it doesnt, and there's nothing i can press on the tv itself, other than menu, volume, channel, none of which work at all. help please?
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