How to hard reset Belkin F5D5231-4
Resetting your router to factory defaults
1. Find the router reset button.
2. Press and hold the Reset button for 5 seconds. The lights on the Router will momentarily flash, the "router" light will begin blinking. After the "router" light stops blinking the restore is complete
The default factory settings are: Default IP address:
192.168.2.1 Default username and password: The router does not ship with a password, so just click submit