When you do a factory reset, it will delete all your personalized settings, including a user name, Wi-Fi network name, password, and security settings. When you can’t recover the password, then in that situation, you need a factory reset. Steps to perform factory reset are: Ensure that router’s power light is on. On the back of the router, check the reset or restore factory settings button. You can use a paper clip to press and hold the reset button for 5-7 seconds. Release the button, and your router resets. Now, login to your router again by adding the default username and default password for Netgear router. Visit more:- netgear security key not working