Hi @KrystalF,
Welcome to the Roku Community!
Thanks for letting us know about the trouble you've encountered on your Roku TV and the steps you took to resolve it.
In this case, we recommend trying these quick steps: navigate to Settings > Advanced system settings > Network connection reset > Reset connection.
Also, could you restart your router and then try to reconnect your device?
Please let us know if this works for you.
All the best,
Chel
Jecheal R.
Roku Community Moderator