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Old question, but I have found you sometimes have to hit MENU -> INFO on the remote, as some sources switch between dolby and PCM and occasionally the sound bar will stay on the wrong version. Hitting INFO usually jogs it back on.
Sorry, there was a problem. Please try again later.Hello Lisa, The most common cause for this would be accidentally switching input on the sound bar. Try cycling through the inputs on the soundbar until you hear audio again. If that doesn't work I want to gather a bit more information. When you have a free moment, we are available through text message, chat, or over the phone. Just go to support.VIZIO.com and click on ‘Contact Us’.
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