I'm seeing an error message related to HDMI CEC on my Apple TV. What is CEC, and how can I troubleshoot it?

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Grade: Education Subject: Support

Asked by: USER6342

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USER7253

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HDMI CEC (Consumer Electronics Control) allows your Apple TV to control other devices connected to your TV. Sometimes, it can cause conflicts. Try disabling CEC on both your Apple TV (Settings > Remotes and Devices > HDMI Control) and your TV. You may need to consult your TV's manual for instructions on disabling CEC.

Answered on 26 Agustus 2025

I'm seeing an error message related to HDMI CEC on my Apple TV. What is CEC, and how can I troubleshoot it?

Question

Answer (107)

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Bonjour, on considère l'expression (x- 3) au carré - (x-1) (x-2)
1) Developpe puis réduis E.
2) Comment peut ton déduire sans calculatrice , le résultat de 99 997 au carré - 99 999 fois 99 998 ?

Forme un adverbe à partir de chacun de ces adjectifs : gentil - différent - vrai- méchant- franc