insignia fire tv won't connect to Fios

Bar66

got a new tv, connected all the cables

selected HDMI3, Fios TV comes up on half the screen, then dissappears

clem21

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@Bar66
wrote:

got a new tv, connected all the cables

selected HDMI3, Fios TV comes up on half the screen, then dissappears

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Try a different HDMI port, preferably one that supports ARC. Also make sure the port is setup to accept 4K HDR.