Not quite clear as to your problem. Are you trying to access the web-based configuration page
for the router (for which you need an administrator password)? Or are you trying to make a wireless connection to the Internet via the router (for which you need the wireless security key
Those are two separate passwords, and you may be able to retrieve them both. The administrator password
would be stored in the computer that was used to configure the router. The security key
should be in the computer which configured the router, as well as any computer which made a wireless connection to the router.
If the passwords are stored, you should be able to retrieve them by installing some additional software.
For the computer that configured the router, download and install this program:RouterPassView
For a laptop that connected to the router, download and install this program:WirelessKeyView