Re plug the modem first followed by the router and then the computers. He siad he didnt think the hardware is the problem.

Belkin Official Support Configuring Your Belkin Wireless
Belkin router won t connect to modem. 1 restart your devices. Power on modem and wait for in to complete bootup about 2 minutes. If your pc is not connected with the router you wont be able to log in into the belkin router. Plug the power cable back to your modem first and then into your router. Router wont connect to modem above suggestion to restart your network in correct order. So the first step is to set up the connection between the belkin router and the pc using ethernet cable as shown in the figure below.
Unplug the power cable from your modem and from your router. Connect the modem to your belkin router using an ethernet cable. I was chatting with the tech support guy from belkin and i seemed to go nowhere. Power off modem and router. I have tried resetting the router with both the reset button on the back and resetting the router in the admin page that pops up when it cant connect. If i connect an old netgear router to the modem it works fine.
Wait for 30 seconds. The router didnt come with another ethernet so i got confused. Wait for the router and modem lights to light up and then try to connect to the internet. He said i needed to connect the ethernet to from the modem to the router then plug another one into my laptop then run the setup disc. Unplug the modem the router and the computer in that order from their respective power outlets then wait for 30 seconds before plugging them back. Then open your favourite web browser and enter the default gateway for belkin router login.
Both wired and wireless computers lost internet connection. It is pretty obvious. First enable wifi on your device and connect to the wifi network you want to use. Then restart your computer. Now select the dns. However when i connect this router to the modem it will not connect.
Then tap the blue arrow button on the right side of the network name to tweak its settings. The ethernet cable must be plugged into an open ethernet port on your modem and to the port on your belkin router labeled wan internet 3 reconnect your internet modem to its power supply. Wait for the lights of all the devices to stabilize then check if you can go online try accessing any website.