VIZIO TV No Sound (Digital Optical) - How to Fix it?

VIZIO TV No Sound? Can't get audio to come through on your VIZIO TV? Here's a quick method that may be able to get it fixed!
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How to Fix VIZIO TV No Sound, especially if you're using the Digital Optical port as your audio output port.
This method should work for Roku TV, Amazon Fire TV, Google Chromecast, Apple TV, AT&T Uverse, Direct TV, Comcast TV, Dish Network, Cox, Verizon TV, Xfinity and more.
If you're using Roku or Amazon Fire TV specifically, stay until the end of the video and follow the links for more detailed solutions.

This method also works for Digital Optical Audio Output usage such as Soundbar, AV Receiver, Bluetooth Audio Transmitter, Stereo and more.

*Video demonstrated with VIZIO V409-G9 and Roku TV.*

[This "How to Fix VIZIO TV No Sound" Method Works with]
VIZIO D-Series, M-Series, 4K QLED, V-Series, P-Series, UHD TV, LCD TV and more.

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