“Several Problems w/ 55" Dynex The tv randomly shuts off ((suddenly as if there was a power outage)), The side buttons no longer work, except to shut the TV off. When the TV is shut off it automatically comes back on in less than a second. The red light turns on ((which means the tv is off, then goes right back to 3 blinks)) and powers on. What's going on?!?! Help!!! I have a 32" for three years and it works like a dream. I've had the 55" for just shy of a year. It is NOT the cable box or the HDMI cables. Defective TV perhaps?”
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1st be sure your power cable is plugged into both the TV and wall socket. Try replacing the common power cable. You can get them in any store electronics is sold from. If this isn't good, it will cause the symptoms you state. Be sure you ARE NOT plugged into a power strip that has surge protection. Cheap ones are known to go bad and cause weird brown out situations that can damge your TV. Plug it into a wall socket. Another less likely thing is to be sure you are not using another TV remote nearby as the remotes will interfere with each other's TVs. The IR signal in one close room can often bounce off the walls and end up controling or interfering with a TV in another room. If all this fails, you have a bad TV. You'll need to get on this as a warranty issue right away as this unit only has a 1 year warranty. The Geek squad guys will charge you for service outside this time and the factory would want you to send it off (not good for a 100 pound item!). A normal lifespan for a TV now days is usually just twice the warranty period. Hope this helps.
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