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Troubleshoot a Lost Internet Connection on a Wireless Network (Windows XP)

This document pertains the HP Notebook PCs with Windows XP.
If you use your notebook on multiple wireless networks, you may occasionally have trouble establishing a wireless connection. This document presents a list of problem symptoms and quick tips on tasks you can use to re-establish a connection. This document assumes that your computer has been set up properly and has been connected to one or more wireless networks recently.
Do this first
To troubleshoot a problem, consider what is happening on your home network. For instance, yesterday you were connected to your email and favorite web site, but today there is a browser error message that says cannot display the web page, or dns_unresolved_hostname, or other error message. Your first task is to determine if the wireless network or the internet connection is not working. Look at the network connection icon in the system tray and identify it with one of the following conditions.
Advanced Troubleshooting
If the issue is not resolved, use the following for more specific troubleshooting.

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