This will show you how to setup Belkin router manually and connect your computer to the wireless network. You can always use installation CD for configuration if that fails you go through the manual process.
Step 1 : Unplug the power cord of your Internet Modem.
Step 2 : Power off the router by unplugging the Belkin router from the power outlet (electric wall socket) as well (IMPORTANT: Leave both the devices off for at least 60 seconds).
Step 3 : Then power on Internet modem first by plugging power cord back in and wait for 60 seconds until all the lights getssteady.
Step 4 : Once you see all the lights lit onthe modem power on your Belkin router by plugging the power adapter into anelectric outlet.
Now see if you can access internet if not reboot your computer and check for internet connectivity. This is the easiest workaround to fix any modem-router issues.
How To Setup Belkin N300 Wi-Fi dual band Extender?