Article ID : 00010724 / Last Modified : 12/13/2010

How to use the diagnose and repair tool to troubleshoot a failed network or Internet connection.

    1. Click the Start button, and then click Control Panel.
    2. In the Control Panel window, click Network and Internet.
    3. In the Network and Internet window, click Network and Sharing Center.
    4. In the Network and Sharing Center window, under Tasks, click Diagnose and Repair.
    5. Follow the suggestions in the Windows Network Diagnostics window to repair the failed network or internet connection.