Solving wireless network connection problems with WIN7 Network Diagnostics tool

Wireless network, the most annoying thing is the network Unicom and wireless network slow problem, in fact, wired network or wireless network is good, use up is not very big problem, the most critical is the troubleshooting, in fact, when encountered problems, you can use the Win7 system with the network diagnostic tools to solve their own network problems.

1. Access to Windows Network Diagnostics

In the current popular Windows 7 as an example, right click on the system tray area of the Network connection icon, select "Troubleshoot", the system will pop up a "Windows Network Diagnostics" dialog box, where to choose the problems encountered, if not open the site will choose " I'm trying to access a feature site or a folder on the network.

2, the system for automatic inspection

Enter a Web site's URL, such as inaccessible twitter.com, then the software will automatically check the problem, wait a moment will give no access to the specific reasons. As shown in the figure, the result of the check is that there is no problem with the computer configuration, but the Web site you are visiting cannot answer. If you encounter only QQ can not open web pages and other issues, you can handle this.

3, select the type of network problem

If we are not going to solve the problem of not accessing a website, instead of having problems with the NIC or being unable to connect to the workspace, in the first step, click on "I have other problems", here are three options: Allow other computers to connect to the computer, use DirectAccess to connect to the workspace, Use a specific network adapter.

4, select the specified network adapter

Here we focus on "wireless network card can not network" problem, so click "Use a specific network adapter", the software will scan all installed on the computer network card, including Wired, wireless network card, Bluetooth or even virtual adapters, select a good NIC, click "Next".

5, view the question "Details"

After the software has been checked, click "Detailed information". If the detection program does not find the problem, you can also manually click "Details" here should be able to find valuable places. Here you can see the MAC address of the wireless card, the manufacturer, the MAC address of the wireless access point nearby, the signal strength and frequency. If the wireless router is already connected, information about the success of the connection is also given.

6. Automatically start the DHCP service

By the way, in general, the problem of wireless network is a large part of IP distribution. Why can't the IP address be allocated on the computer? Most of the cases are not turned on in the system's service items, please set it to automatic and start manually. You can also run Ipconfig/release, ipconfig/renew two commands at the command prompt to retrieve the IP address again.

The main reason for the slow speed of wireless networks is because of the weak signal, when using unlimited network at home, we can use Win7 Network tools to diagnose the signal strength of the wireless network.

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