My TV and devices are on the same mesh network with strong signals but Apple TV can't find any devices when it searches.

Hello Ramruns,

Thanks for posting in Apple Support Communities. It sounds like you've tried some great troubleshooting so far. If you haven't already, restart your other devices as well since that might refresh the connection.

If the same continues, try resetting your Apple TV and setting it up again to see if that helps. You can find guidance for each Apple TV model in Reset or restore your Apple TV to its factory settings - Apple Support. For example, Apple TV 4K and Apple TV HD guidance is as follows.

"Reset your Apple TV 4K or Apple TV HD

1. On your Apple TV, go to Settings > System > Reset.
2. Choose a reset option:

• Reset: This option is the fastest way to return your Apple TV to factory settings. This option doesn't require an Internet connection.
• Reset and Update: This option returns your Apple TV to its factory settings and installs software updates. This option requires an Internet connection.

3. Keep your Apple TV plugged into power until the Reset process finishes. Then you can set up your Apple TV again."

All the best.