Device: Model 3929X, SN# K429CG444642.
Wireless quit working in the middle of a show. Tried everything already posted. Restarted device, soft boot of device, hard boot, rebooted router, rescaned, all were done multiple times. Device is not seeing any wireless networks, none. My daughter brought here Roku downstairs and plugged in and it worked no problem. I'm out of ideas.
Try this:
Thanks for the suggestions everyone but they have all been tried and failed. Problem still exists.
Did you reset both the Roku and the router at the same time? Generally that is what works with mine.