Solid White: Best connection between your router and your Netgear WiFi extender. Solid Amber: Your Netgear AC3000 extender and your WiFi router have a good connection. Solid Red: This color LED indicates the poor connection. Off: No connection between your devices. Blinking White: Your Netgear EX8000 AC3000 extender is reset back to the factory default settings. This results in mywifiext not working issues. visit : https://poptype.co/mywifiextnet/what-do-the-leds-on-my-netgear-nighthawk-ex8000-extender-mean