Ping 192.168.1.1
The video shows how to ping 192.168.1.1 (or any other default IP) and what are the best results of it. If you get results different from the ones in the video, like "Request timed out" it tells you that you have connectivity problems between your router and PC. For more info on 192.168.1.1 visit http://www.19216811ip.net/