Hi, rickeames
Thanks for posting here in the Roku Community.
We appreciate you for sharing this information with us, and we understand the situation you've encountered with an error on multiple external devices plugged in your TCL Roku TV.
For this matter, it might be best to contact your Roku TV manufacturer since this is a hardware connectivity issue. Roku TV manufacturers provide direct support with their TV models, including troubles with connected external devices plugged in to the HDMI.
You can be guided here: Contacting Support for your Roku TV
We hope this will be sorted out. Let us know if there's anything we can do to help further.
Best wishes,
Kash