Why is the volume off on Apple TV?
Why is there no sound on the Apple TV ?
Apple TV HD, tvOS 15
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Likely due to either a poor network connection or a HDMI cable issue. Please first ensure the HDMI is secure on the Apple TV and also your TV. If that does not resolve the problem please use the following:
- Unplug your modem from its power source and Restart Modem.
- Unplug your router from its power source and Restart router.
- Unplug Apple TV from Power for 2-3 minutes – re-plug in and retest.
and also Apple TV - Remote troubleshooting