I just set up my sling box m1, and everything is working fine. I paid $15 for the sling app for my android tablet. I can connect and watch TV on my tablet. The issue comes when I try to stream my roku streaming stick. All of my software is up to date. I was able to download the sling app on my roku. I get audio only, no video. I've disconnected, even changed HDMI ports. Any trouble shooting tips?