Why the sound dead?

no sound on Tv.

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@ahmedouda verify that your TV is a Toshiba 50U5865. If not then let us know what the model number is. Next you want to tell us what you have already checked and what you have already tried. It has no sound whatsoever? You have tried different video sources? You have checked your settings? We need more details in order to try and help you with this.

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