Windows comes with a troubleshooter that can help you determine the cause of your network problems. This figure shows Windows version 8. Answer the questions asked by the troubleshooter and click Next to switch from desktop to desktop. Networking Troubleshooter can’t solve all the network problems, but it points to the causes of the most common issues.

Sử dụng Networking Troubleshooter khắc phục sự cố mạng

The procedure for starting the Network troubleshooter depends on the version of Windows you are using:

  • Windows 8 and Windows 7: Open Control Panel, click View Network Status and Tasks, then click Troubleshoot Problems. Then select the troubleshooter that seems closest to the problem you are having. You will find a troubleshooter for a wireless, home network, and local area network (LAN) and Internet connection problems.

  • Windows Vista: Select StartHelp and Support, click Troubleshooting, and then click the link for the Networking Troubleshooter that seems closest to the problem you are having. You will find a troubleshooter for the wireless, home network, local area network (LAN), and Internet connection problems.

  • Windows XP: Select Start → Help and Support → Networking and the Web → Fixing Network or Web Problems. Then click Home and Small Office Networking Troubleshooter.