Hey @JeffSm,
Thank you for posting here in the Roku Community!
We understand you're having a problem with the channels on your Roku since they were not working. We're happy to help. Please try the troubleshooting steps below:
Restart your Wi-Fi or router
You may need to reset your internet connection if you are having trouble streaming content with your Roku device.
Restart your Roku device
Settings → System → Power → System Restart. (If you do not see a Power submenu, skip to the next step)
For more information, please check out this support article on issues playing shows and movies on your Roku device.
Let us know how it works, and we'll continue to assist you further.
Cheers,
Roku Community Team