Try all the options available and check which one works best for you. Your Apple TV may automatically enable the highest audio settings that your equipment supports but they may not necessarily be compatible with the content you’re watching. Check Your Audio and Video SettingsĬheck your Apple TV audio settings and make sure they’re compatible with the content you’re watching. If you’re using Apple TV 3rd generation, you need to go to Settings → General → Software Updates → Update Software. Your device will automatically restart while installing the updates. Wait until Apple TV downloads the update.Updating to tvOS 15.1 and later fixed the problem for many users. Outdated software may cause all sorts of glitches, including audio and video sync issues. What to Do if Video and Audio Won’t Sync on Apple TV Install the Latest Updatesīe sure to update tvOS to the latest version. Bypass Your Receiver for Video and Check Your Cables.What to Do if Video and Audio Won’t Sync on Apple TV.

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