Originally Posted by johnwill

Reset the router to factory defaults.

Connect your computer to one of the router's LAN/Network ports.

Reboot the computer.

Type 192.168.1.1 into the address bar of IE. You should be connected to the web based router setup. It is NOT necessary to have a web connection to configure the router.

If that doesn't work, please do this.

Start, Run, CMD to open a command prompt:

Type the following command:

IPCONFIG /ALL

Right click in the command window and choose Select All, then hit Enter.
Paste the results in a message here.