Check your IP Address, Maybe its conflict with other device.
My advice to turn it automatically.
Installing your Belkin router is still possible even without using its Setup CD. You can set up your router manually through the web-based setup page of the router.
Perform the steps below to set up your Belkin router through the web-based setup page.
NOTE: images may vary depending on the router model or computer you are using.
Power cycling the modem and router
Unplug the modem and router from the power source.
Connect the modem to the WAN or Internet port of the router.
Power ON your modem first, then your router by plugging them back to the power source.
Manually setting up your router
Connect the computer to one (1) of the Ethernet ports of the router.
Launch a web browser and enter "192.168.2.1" in the address bar.
Leave the Password field blank and click Submit.
Under Internet WAN, click Connection Type.
Select your Connection Type, then click Next.
NOTE: If you don't know your Connection Type, contact your Internet Service Provider (ISP). To know how to set up your router according your ISP, refer to the links below:
Cable Internet Service
PPPoE / DSL
Static IP Account
Enter the details provided by your ISP and click Image.
You should now be able to connect to the Internet. To verify, Internet Status on the upper right corner should read Connected.
You can also launch a web browser and go to your favorite website or try visiting the Belkin Site for more information and support on your devices.
as mention On official Belkin website vedio for Belking Online Support:
Setting up the Belkin router using an iOS device Video
In case you still need assistance then follow us for Belkin Tech Support on:Belkin Support