When you attempted the Roku reset, did you hold the button for a minimum of 30 seconds? It doesn't matter what is happening on screen. You have to hold it at least that long for the reset to actually happen.
Dan
Roku Stick (3600), Ultra (4640), Ultra (4670), Ultra (4800), Premiere (3920), Insignia 720p Roku TV, Sharp 4K Roku TV, Nvidia Shield, Windows 10 Pro x64 running Serviio and Plex on a wired Gigabit network.