assuming all connection are listed when using ipconfig and all connections work fine, this step by step troubleshooting may help,
Troubleshoot missing network connections icons
When you open your Network Connections folder in Windows XP/2003, you find that your network connections such as Local Area Network, High-Speed Internet, Dial-up, wireless network connection and New Connection Wizard are not listed....
Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on
http://www.ChicagoTech.net
How to Setup Windows, Network, VPN & Remote Access on
http://www.HowToNetworking.com
My system is running ok, I am on broadband and my network connection icon is
missing from both the sysytem tray and also from the Network Connections
window, any ideas please?
Ray