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The Apple TV remote can be configured to control volume via IR or through HDMI CEC. When plugged into a new display, the Apple TV tries to auto configure this b
by babypuncher 4y ago
The Apple TV remote can be configured to control volume via IR or through HDMI CEC. When plugged into a new display, the Apple TV tries to auto configure this based on what devices it detects. It's possible it messed up with IR and you just needed to manually set it to use CEC.