If you are a Small Business customer, find additional troubleshooting and learning resources at the Support for Small Business
(http://smallbusiness.support.microsoft.com)
site.
To continue receiving security updates for Windows, make sure that you're running Windows XP with Service Pack 3 (SP3). For more information, refer to this Microsoft web page: Support is ending for some versions of Windows
Make sure that the network cable is connected to the computer and to the modem. If your computer connects to a hub or to a router, make sure that the cable that connects the hub or the router to the modem is connected.
Before you follow these steps, you may have to download the latest driver for
your network adapter from the hardware manufacturer.
Click
Start, click Run, type
sysdm.cpl, and then click OK.
Click the Hardware tab, click
Device Manager, and then locate Network
Adapters.
Expand Network Adapters, and then
right-click the icon for your network adapter.
Click Uninstall, and then click
OK.
In the dialog box that prompts you to remove the files that are associated with this device, click Yes.
Restart the computer. Or, click Action,
and then click Scan for hardware changes.
If Windows finds the device but does not recognize it, you
must install the latest
driver for your network adapter.
If you have a Realtek 8139 network adapter, updating the driver
seems to resolve this issue. For more information, visit the Realtek
website
(http://www.realtek.com.tw/downloads/)
.
Microsoft
provides third-party contact information to help you find technical support.
This contact information may change without notice. Microsoft does not
guarantee the accuracy of this third-party contact information.
Click Start, click
Run, type netsh winsock reset, and then press Enter.
When the Command Prompt window flashes, restart the
computer.
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Warning Programs that access or monitor the Internet, such as antivirus, firewall, or proxy clients, may be adversely affected when you run the netsh winsock reset command. If you have a program that no longer functions correctly after you use this solution, reinstall the program to restore functionality.
Some third-party firewall software such as ZoneAlarm and Norton Personal Firewall may cause Internet connectivity issues on computers that are running Windows XP SP2. You may have to temporarily uninstall these programs to test the computer. Disabling these programs may not be sufficient for testing. Make sure that you have the CD or the installation files so that you can reinstall the programs later. If these programs are causing the problem, you may have to contact the program vendor if you need help with the settings for that program.
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Note You may want to verify that the Windows XP firewall is enabled
before you remove the third-party firewall program.
We recommend that you install Windows Defender. To obtain
Windows Defender or to obtain additional information about tools that you can use to remove unwanted software from your computer, visit the Microsoft Safety and Security website
Click OK in the Delete
Files dialog box, and then click OK.
Additional steps
If the problem continues after you follow the steps in this article, try the following procedures. These procedures may help you determine the cause of the problem, or they may resolve the problem.
Click
Start, click Run, type
ncpa.cpl, and then click OK.
Right-click the icon for your connection, and then click
Repair.
When you click Repair, Windows renews the IP address of your computer, and it performs other tasks that may help resolve the problem.
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
Scan for viruses by using antivirus software. If you do not have antivirus software installed on your computer, use another computer that has an Internet connection to download the installation files for the antivirus software. To download the McAfee AVERT Stinger antivirus software, visit the McAfee Labs Stinger website
(http://vil.nai.com/vil/stinger/)
.
Microsoft
provides third-party contact information to help you find technical support.
This contact information may change without notice. Microsoft does not
guarantee the accuracy of this third-party contact information.
Test in Safe Mode
Turn off the computer.
Wait 10 seconds.
Start the computer, and then immediately press F8.
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Note If you receive a keyboard error, press F1. Then,
continue to press F8 one time per second.
In the list, select Safe Mode with
Networking.
Press Enter.
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Note Your computer may take a longer than usual to start.
Click OK in the dialog box that indicates
that Windows is operating in Safe Mode.
If you are using Microsoft broadband hardware, you may have
to install software and firmware updates.
For more information about how to obtain these updates, click the following article number to view the article in the Microsoft Knowledge Base:
MSBBN: How to update the firmware and software for your Microsoft Broadband Networking device
The
third-party products that this article discusses are manufactured by companies
that are independent of Microsoft. Microsoft makes no warranty, implied or
otherwise, regarding the performance or reliability of these products.
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