F you’re staring at a red light on your Linksys WiFi extender, that’s not great. It basically means something’s broken in the connection chain. Usually, it’s either: The extender’s not getting a proper signal from your main router. It’s way too far from the router. Something’s off with the setup: password mismatch & interference. https://wifi-linksys.com/resolve-linksys-red-light-error-with-extender-linksys-com-setup-steps/