but if the Vizio menu works, then the most likely culprit is the external device you're trying to use, its HDMI cable, or your TV's HDMI port. Want the latest in tech and auto trends? Subscribe to ...
First off, there are problems with the TV's HDMI 2.1 ports. This is a new specification so it's understandable that there will be some kinks that need to be worked out, and Vizio products are far ...
but if the Vizio menu works, then the most likely culprit is the external device you're trying to use, its HDMI cable, or your TV's HDMI port.