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I was adjusting my AppleTV three video settings and set the video to something like 4:4:4 and now all I get is a black screen. When I attach the AppleTV to another TV it works fine. I tried holding the Menu button down and it went to one logo pic and then black again. Any suggestions?
Possibly that one TV doesn’t have the same support for video settings, possibly the HDMI port is different (less bandwidth).
The Chroma subsampling rate for YCbCr can be 4:4:4, 4:2:2, or 4:2:0 for HDMI video connections, may less depending on equipment, cables, and HDMI port. It has very little benefit to chose anything other that 4:2:0 (if available), as ALL streaming video is encoded as 4:2:0 anyway. Other settings just use more bandwidth for the exact same video quality.
To return to a functional video signal when you get a black screen, you may cycle video settings until you get some working signal. See the second bullet point in: If your Apple TV doesn't turn on - Apple Support.
Possibly that one TV doesn’t have the same support for video settings, possibly the HDMI port is different (less bandwidth).
The Chroma subsampling rate for YCbCr can be 4:4:4, 4:2:2, or 4:2:0 for HDMI video connections, may less depending on equipment, cables, and HDMI port. It has very little benefit to chose anything other that 4:2:0 (if available), as ALL streaming video is encoded as 4:2:0 anyway. Other settings just use more bandwidth for the exact same video quality.
To return to a functional video signal when you get a black screen, you may cycle video settings until you get some working signal. See the second bullet point in: If your Apple TV doesn't turn on - Apple Support.
This worked. Thanks so much!!
AppleTV video issue
