Run the check
Confirm the operating system recognizes the controller first.
Open the gamepad test, focus the tab, and press a face button.
Compare wired and wireless modes or another browser after one change.
Read the result
Detection in the OS but not the tab narrows the issue to browser support or access.
Limits and next step
Gamepad API mapping differs by controller and browser.
Repeat the check after changing one setting or connection. Keep a record of what changed before deciding whether the device needs service.