Since this TV uses an OLED panel, however, this test pattern essentially looks flawless. LCD-based ... including HDMI 2.1 models, like the LG NanoCell 90. I spoke to Vizio about the problem ...

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 ...

The M-Series Quantum X is a shining feat of new innovative LCD guise, capable of spitting out games in 1080p at 240Hz. That's a best Vizio TV if there ever was one. But you could always get the ...

All video content is played through the TV's HDMI inputs. Some tests are also performed via the TV USB input.

All video content is played through the TV's HDMI inputs. Some tests are also performed via the TV USB input.

you'll need to get a display with an IPS LCD screen or an OLED panel. That said, off-angle performance does still seem to be improved over last year's P-Series model. Smart TV features Vizio's ...