Wired or wireless connections may fail or have errors in Windows XP. The Network Connection utilities in Windows XP have a repair function that has Windows automatically attempt to fix your connection problems. Network Connection repairs disable and enable the network adapter, release and renew the adapter's IP and clears out several caches. You do not need to have a home network set up to use the Network Connection repair feature. It also works with direct connections to a modem.
Instructions
1. Click "Start" and choose "Network Connections."
2. Find the network connection that is not working properly under LAN or High-Speed Internet. Select this connection.
3. Click "Repair this connection" in the Network Tasks sidebar. A status window appears and displays exactly what methods the repair utility is using to attempt to fix your problem.
4. Click "Close" when the repair utility completes its tasks. Check your network or Internet connection to determine whether the problem has been fixed.
