Welcome to the Apple TV fix-it hub. Start with the quick wins below, then dive into the focused guides for HDMI, Atmos, lip-sync, Wi‑Fi, and app-specific issues like Netflix, Disney+, and YouTube. Every article follows real-world triage order so you can restore picture and sound fast.
6 ft Ultra High Speed HDMI 2.1 cable
Short run, consoles and streamers direct to TV/receiver
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Mesh Wi-Fi system
For whole-home coverage and stable streaming
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Apple TV 4K (latest gen)
High-end streaming box for Dolby Vision / Atmos
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4K120 / HDMI 2.1 AV receiver
Modern receiver with 4K120 support
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eARC Dolby Atmos soundbar
Mid-range eARC Atmos soundbar
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If you fix your issue with one of these guides, bookmark this page for the next time the Apple TV, receiver, or soundbar decides to renegotiate in the middle of movie night.