wireless network strong connection. password is correct. every device in house works perfectly fine except roku . unable to establish wireless connection. already reset modem. and factory reset roku. same issue. 014.30
Is Comcast/Xfinity or Cox your ISP? If so, go into your router's settings and change the wireless mode from g/n to b/g/n.
Thanks for the post.
Did you try the troubleshooting steps provided by @renojim?
Please keep us posted what you find out.