Hi @TV202,
Welcome to the Roku Community!
We would recommend starting the troubleshooting steps provided by our Support page here: Why does my Roku® streaming device not recognize my external USB drive? | Official Roku Support
If this issue is not resolved, please let us know along with any additional information you may have that would be helpful for us to assist you further in this problem.
Please keep us posted and we'll continue assisting you from there.
Best regards,
Mary
Mary F.
Roku Community Moderator