I've had my TCL Roku TV using wired ethernet for months.
After updating to the latest version 9.4, I can no longer connect via ethernet cable. I've rebooted my router, checked all the cables, etc. I've restarted the TV as well. WiFi works, but I would prefer to use ethernet.
Anyone else?
If there's an option to "reset network connections" (in streamers: Settings/System/Advanced system settings/Network connection reset) for your Roku TV, try that.
If there's an option to "reset network connections" (in streamers: Settings/System/Advanced system settings/Network connection reset) for your Roku TV, try that.
I reset all my network equipment and it's working fine now.