I am using a Belkin Wifi router on my system. There are around 3 different computers connected on the home network. I had protected it with powerful security. I just purchased a new system which comes with Windows Vista. It is a Dell laptop. The issue is, it is not able to locate my network. All the 3 computers are able to find the network, but the laptop fails. The network is not at all visible in it. Any idea on that will be more helpful.