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After working very well, The cable connecting the apple device is not working, it starts then fizzled out, says unsupported signal, check device output. If I play with the cable it sometimes connects, then after an a few minutes or an hour it stops again.what do I do.?
Apple TV 4K, tvOS 14
It could be either the cable or the port.
Try a different HDMI cable.
Try a different port (on the TV or AV receiver).
It could be either the cable or the port.
Try a different HDMI cable.
Try a different port (on the TV or AV receiver).
Connection cable
