Solved! Hi there I have a promblem with hdmi3 it keep flashing on & off when I am watching Netflix or Apple TV. If looks like interfer

[sythompson]

HDMI3 interference / flashing

 

[jsmithepa]

May wanna try turning CEC off.

 

[americanaudiophile]

Try a different HDMI cable.
Try a different HDMI input.
Try rebooting the Apple TV.
Does it only happen on Netflix or on all the apps in the Apple TV?

 

[sythompson]

May wanna try turning CEC off.

 

[sythompson]

Hi thanks for that. Have just discovered that it was a faulty cable.