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In had comcast and i had to change settings in my cable box to set up the picture for be 1080p or 4k uhd and also set to be letter box, full, or original size. Check settings in your cable menu.
Sorry, there was a problem. Please try again later.You may need to check the settings from your cable set top box.
Sorry, there was a problem. Please try again later.To make sure you’re getting the most out of you VIZIO TV, we’d recommend making sure your devices are connected with an HDMI cable, and are set to broadcast in 4K (2160p) or Full HD (1080p). This should allow your image to fill the screen fully.
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