While the DIR-615 is powered-up, press and hold the reset button on the rear of the unit for >8 seconds. This procedure will reset all of your user settings and password to the factory default settings.
The CD is not required to access the router. Once the router is reset, Open a web browser and enter http://192.168.0.1. When the login window appears, set the user name to Admin and leave
the password box empty. Click Log In to continue.
Once connected you can create a new secure password.