Direct answer
Raise volume and select the intended output, reseat HDMI, restart the television and Apple TV, then connect Apple TV directly to the TV. Change Audio Format only after the hardware path is isolated.
What this covers
- Apple TV 4K or HD with picture but missing, intermittent or incompatible audio
- Current supported consumer software as reviewed on August 20, 2026
- The symptom described in the title before a factory reset or hardware repair
What it does not cover
- ×AirPods or Bluetooth headphones that fail to pair
- ×Billing, ownership, warranty or account-recovery disputes
- ×Regional features that the manufacturer does not list for your country
Check volume and audio output
ReversibleMake sure the television or receiver is not muted, then select the intended output under Settings › Video and Audio › Audio Output.
Reseat HDMI and restart
ReversibleReconnect both HDMI ends, then restart the TV, receiver if used, and Apple TV.
Connect Apple TV directly to the TV
ReversibleBypass the receiver, switch or soundbar. If sound returns, the intermediate audio path is the compatibility boundary.
Test a compatible audio format
ReversibleOpen Settings › Video and Audio › Audio Format and test Change Format only after noting the original setting.
Evidence ledger
Sources behind this answer
Visible sources support the visible claims. Home Product Support records the publisher, the fact used and the review date; community reports can suggest an issue but do not become a published fact on their own.
Exact questions
Common follow-ups
What should I try first for apple tv has picture but no sound?+
Make sure the television or receiver is not muted, then select the intended output under Settings › Video and Audio › Audio Output.
Will these steps erase apps, files or settings?+
No data-erasing step is required in this sequence. Cable and output tests are reversible. Changing audio format can affect surround sound but does not erase data.
When should I stop troubleshooting?+
Stop if the device reports hardware damage, becomes unusually hot, smells burnt, or the problem falls into this excluded case: AirPods or Bluetooth headphones that fail to pair.
Answer for the exact device and software version shown above.