Solved
Roku express and Vizio TV
I have a Roku express I use on my Vizio TV. While streaming the screen will go black and show no signal then go back to streaming. For most streaming services it will go back to the stream but if it ...
If you're using the TV's USB port to power the Express, try a USB power adapter/charger from a phone or tablet that can supply at least 1 Amp. Some TVs' USB ports can't supply enough power.
