Help & troubleshooting for network issues, including connecting your device to your home Wi-Fi network, connecting to public networks, troubleshooting wireless issues & ethernet connections, and optimizing streaming performance.
If you have Comcast/Xfinity or Cox as your ISP go into your router's settings and change the wireless mode from g/n to b/g/n. If you don't, ensure your ISP didn't disable 2.4GHz. ISP's are known to muck with their customer's router settings.
Roku Community Streaming Expert
Help others find this answer and click "Accept as Solution." If you appreciate my answer, maybe give me a Kudo.