I've had my Roku Express + since April 1st this year. No problems until now. Went to dust the top of tv and nudged just a tiny bit the Roku which was taped on top and it went off. Didn't knock it off the top of just a nudge and light went off. When I turned tv back on, all that shows now on screen is HDMI, it won't go to the Roku screen where you select Home. I went ahead and changed batteries in remote, checked all plugs/ outlets unplugged replugged to reset but nothing happened.