What can I do if there is no sound from the TV?

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If the video has no sound on the TV, please follow the below methods to do the troubleshooting:

1. Check the volume on the TV to avoid muting the TV.

2. If you use an external speaker for the TV, please check if the external speaker works properly or not.

3. Try to restore the TV back to the factory settings: press the Home button on the TV remote. Then select Settings Device Preferences Factory Reset.

4. If the TV has internet access, please check if there is a new version of software updated online or not.

Press the Home button on the TV remote, and select Settings Device Preferences About System update Network Update:

If the issue cannot be resolved, please feel free to call the TCL hotline for further help.

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