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We were required to get new boxes or our HD would not work.  We installed new boxes.  WHY CAN'T I TURN ON THE TV AND HAVE A PICTURE THAT IS NOT PICK, OR A PICTURE WITH NO SOUND OR A PICK PICTURE WITH SOUND OR I CAN'T CHANGE THE CHANEL.  This new box does not work.  I had to turn the TV on and off 10 times to get a pictue that is not pick with sound.  I am looking to change my service if this is not resolved.  Why is this happening????