Disconnection issues

[Thegreatmonkey]

Suggestions:
1. Check to make sure you have properly configured or turned off any of the following: Routers, Proxy Servers, NAT Servers, Internet Connection Sharing services.

If he turn off NAT on his router, he will lose Internet connection. NAT translates a private IP to a public IP and Private IPs are not allow to go over the Public Internet. NAT also lets you have more then one computer have Internet access.