Welcome to the Roku Community, @Debbiemcm!
Thanks for letting us know about this issue that you had with the Roku remote since it stopped working. Remote issues are different based on the type of Roku remote. Before you begin troubleshooting, first determine which type of remote you use with your Roku streaming device: A Roku simple remote or a Roku voice remote.
After you've figured out what Roku remote you have, visit the article for your specific remote.
You can use the Roku mobile app to control your streaming device while you are troubleshooting your voice remote.
We hope this helps. Please keep us posted on what you find out.
All the best,
John
John
Roku Community Moderator