RNG 200N HDMI No picture or sound - must reset

Whenever I turn my TV on, it says there is no signal from the cable box. If I reset the box by power cycling (unplugging), it comes on and works fine until I turn the TV off and back on and it does the same thing. Any ideas?

Hi catinetti,
Can you Private Message me your account info so I can do some more diagnostics in it please?
Click my name (ComcastZach) and click Private Message me.

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http://store.apple.com/us/product/HFQL2VC/A/moshi-mini-displayport-to-hdmi-adapt er-4k?fnode=a8e08a2bb3c16bf3cd606aecff68b12c10fe327cd7b063c9bbc492e57158bbfa0778 d5b941eb2a8c1c5f2e25e51cf7b82e193c9a722651b3fc2694996f7b5281b8bf4338c46284247b76 ccce6907fa6caee062d974158ee4d0336fca558384426e7a6c6cbf3ee58c8f53f8db53c9ef91
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I had updated to the new software right away, no help. It did bring the flickering, though.
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Welcome to the Apple Community.
You must restore from a computer.
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RNG 200N HDMI No picture or sound - must reset

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