My 15 month old tv started doing this. I noticed that when someone walked in front of it it would reboot. Then the same thing if I waved my hand in front of the sensor. I noticed that the red standby light was flashing and flickering. I pulled the batteries out of the remote but it didn't change. I pulled the batteries from the remote for the samsung bluray player and it worked. No more flashing red led and no more reboots. Strange.
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