How to diagnose network connection problems under XP system

First you need to run Internet Explorer browser, and in tools, click Troubleshoot connection problems.

Eject the Windows XP Network Diagnostics dialog box, select "Do not want to join the schedule Now", and click Next to continue

Come to the "Welcome to Windows XP Network Diagnostics" interface and explain the usefulness of the tool in the interface, click Next to continue

Checking the connection interface, as shown in the figure

Because the network connection is not a problem, you are prompted that Windows does not detect any problems with your Internet connection, and if an Internet connection problem is detected, we can click the View Diagnostics Log link to view the specific error message, and then click Finish

The "Troubleshoot connection problem" Item does not appear in the tool: The problem occurs because the add-in for diagnosing the connection problem is disabled

Click the Tools button in the menu bar of the Internet Explorer page, and the menu opens to click Manage Add-ins

In the toolbars and extensions type, locate the add-in with the name "Troubleshoot connection problems," and click the "Enable" button

Then click the Close button to turn off the Admin Add-ins dialog box