Comcast Xfinity TV no sound? Can’t get any audio out of your TV when you’re trying to watch stuff on Xfinity Cable box? Here’s a solution video that may fix it instantly.
This video is produced by Avantree, industry leader in TV Audio Adapters:
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While we all love the new surround sound and Dolby 5.1 even 7.1 technology, not every TV can handle it, especially if your TV is more than 4-5 years old. Though TV manufacturers did make it so that the TV itself can detect the best signal your TV can handle, they’re not always accurate.

So, you’ll have to do this manually. All you have to do is take the TV remote control and switch signal to Stereo (aka PCM) – thereby ensuring that the signal from the Xfinity Cable Box can be recognized by your TV.

Furthermore, if you’re using the Digital Optical Port (Toslink SPDIF) on your TV as an audio output to your Sound Bar or Stereo System, you may also need to go into your TV settings menu and do the same thing: Turn Dolby OFF and switch the Audio Format to PCM (aka Stereo).

This method should work for: Samsung, Sony Bravia, LG, Vizio, JVC, Sharp, Insignia, Toshiba, Panasonic, TCL, Hisense, Onn and more.

If this still doesn’t work, please contact your TV manufacturer, they should be able to tell you what to do next.

**Please leave your questions & comments below, we’ll reply within 24 hours. You may also contact us at [email protected]**

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