Roku setup

[Pamcg83]

We’ve used switches before with our Roku sticks with no problem. Bought a Roku Ultra for our living room, hooked it up to the switch and have inconsistent results. Sometime everything is fine; other times, there is nothing but snow on the screen.  Other devices (like our DVD player) are working through the switch so not sure why this inconsistency. If I hook it up directly to the TV, everything is fine. Any ideas for how to figure out what is causing problem?

[AvsGunnar]

@Pamcg83 

When you see the "snow", does pressing the Home button a couple of times on the Roku remote help to wake up the Roku device and make the snow disappear?