The 'Check HDMI Connection' option on my Apple TV tells me that my HDMI connection is looking better. Better than what? It didn't tell me there was anything wrong previously. : r/appletv
my HDMI cable does not fit the Apple TV H… - Apple Community
How to Fix HDCP Error on Apple TV - macReports
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Buy NEWCARE 4K HDMI Splitter 1 in 3 Out, 1×3 HDMI Splitter Support 4Kx2K, 1080P, 3D, HDR, DTS/Doby-TrueHD for Xbox PS5/4 Fire Stick Roku Blu-Ray Player Apple TV,NOT Supported Extend(HDMI Cable Included)
New HDCP error message. : r/appletv
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Apple TV 4K no signal in Samsung TV (being on) please help !!! | Page 2 | MacRumors Forums
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Use HDMI ARC or eARC with your Apple TV 4K (2nd generation) - Apple Support
TV not supporting 4K HDR signal from Apple TV
