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Rosalita21 Author

Level 1

4 points

Apple TV 4K 3rd Gen

My Apple TV 4K 3rd Gen flashes white on the bottom third of the screen. This was happening on our 1st Gen, so we bought a new one, got a new receiver, and it’s still happening.

Apple TV 4K

Posted on Jan 4, 2023 4:33 PM

Top-ranking reply

Urquhart1244

Community+ 2024

Level 10

143,046 points

Posted on Jan 4, 2023 6:12 PM

With this behavior, I would suspect the HDMI circuitry behind the HDMI port on the TV. Have you tried connecting to a different port?

Please also test connecting the Apple TV box (and receiver) to a different TV.

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Apple TV 4K 3rd Gen

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