Reset the router to factory defaults by holding the reset button down for 15 seconds with power on.
- Turn off everything, the modem, router, computer.
- Connect the modem to the router's WAN/Internet port.
- Connect the computer to one of the router's LAN/Network ports.
- Turn on the modem, wait for a steady connect light.
- Turn on the router, wait for two minutes.
- Boot the computer.
This should get you a wired connection to the router.
To configure wireless, take a look at this guide:
http://www.portforward.com/english/r...C/wireless.htm