“Since the smartcast updates that occurred on my Vizio last night, the sound on my HDMI does not come through,”

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• I would like to offer the assistance of our award-winning technical support team with this issue. Please visit support.VIZIO.com and click on ‘Contact Us’. We’ve got agents ready to chat, text message, or speak with you on the phone.

  Answered by VIZIO 3 years ago

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