uick fixes.
- Restart Roku
Settings → System → System Restart. - Restart Your Router
Unplug for 30 seconds. - Check WiFi Password
Make sure you’re entering the correct one. - Move Roku Closer to Router
Weak signal = failed connection. - Switch to 2.4GHz
Some Roku models don’t support 5GHz. - Reset Network Settings
Settings → System → Advanced System Settings → Network Connection Reset.
Conclusion:
If Roku still won’t connect, your router may need a channel change or firmware update.