If you are trying to connect to 192.168.0.l.l, this is wrong! The correct IP address is 192.168.1.1. You would usually use 192.168.1.1 for a router or alternative network entree device on the networks is usually put in at 192.168.1.1. If you have no idea about your IP address, check out this guide: How To Find Your Router IP Address.
To get access to the control panel of your wireless router operation, you need to enter this address into your browser URL address (or simply click to 192.168.1.1). You will then be prompted to enter your username and your password.
First, you should find the default passwords and try some to see if it works. If they won't work, you have to perform a factory reset by following these steps:
(Warning: Resetting wipes all configuration changes done on network settings, forwarded ports, parental controls, and custom passwords on the router)
Now you can log into the router using your default username and password.