To judge the magical uses of the win 7 system virtual WiFi

In the normal process of surfing the internet, it is inevitable to encounter some network problems, at this time we need to look at the status of network connectivity, to find the source of the problem. In Windows XP, everyone opens the Network Connections window from the Start menu or Control Panel to check for network problems, but for a Windows7 novice it seems a bit difficult to find the window, and searching for "network Connections" in Control Panel is not available. At this time, we should think of the last introduction of the "Network and Sharing Center", because this centralized network-related general configuration, computer knowledge here can find clues?

Try clicking the "Change adapter Settings" task at the top left, look, the Internet connection window was hidden here, and we can see the settings and status of the NIC in the computer as we did in XP:

But some students may find that there is a more than one of these network cards called " Microsoft Virtual WiFi Miniport Adapter "things that appear to be Microsoft's fictitious WiFi card by name. How could a computer have such a thing for no reason? is another Windows7 hidden function found?

Yes, this is really a new feature in the Windows7-"virtual Wifi", embarrassed to sell to everyone in front of a big one. In simple terms, Windows7 can be in the existing wireless network card on the basis of virtual a wireless card, support network sharing, so that our computer into a wireless router Oh! It seems that now "virtual" is really everywhere ah.

Some students may know that prior to this, you can also set up a temporary network to other Wifi devices to share the Internet ah, what is the new advantage of the virtual Wifi card?

A traditional temporary wireless network (that is, ad hoc mode) is a point-to-point network, similar to the "dual-computer interconnection" in a wired network, although it can be shared on the Internet, it is mainly used for the temporary interconnection of two devices, and some devices (such as devices that use Android systems) Connecting to a temporary wireless network is not supported. There is also a serious problem, because a wireless network card can only be connected to a wireless networks, so if you connect to the Internet through the wireless card, you can no longer use this wireless network card to establish a temporary networks, share the Internet.

While the virtual Wifi feature in Windows7 can then virtual a network card based on a real wireless network card, realize the AP function of the wireless router, and solve all the problems of the temporary network.

So tempting features, now quickly teach everyone:

1. Run the command prompt as an administratorbr>
Because the following steps must run under administrator privileges, we find a command prompt from the Start menu, or type cmd Quick Search, right-click it, select Run as Administrator, and click Yes in the pop-up User Control window. Another way to do this is to hold down the CTRL and SHIFT keys and click the shortcut directly, even simpler.

2. Enable and set virtual WiFi network card mode

to run the following command to enable the virtual wireless network card (equivalent to turning on the router):

Netsh wlan set hostednetwork mode=allow ssid= The Win7 AP wow! Key=wifimima

has three parameters in this command:

Mode: Whether the virtual WiFi network card is enabled, and the disallow is disabled, the virtual NIC disappears.

Ssid: Specifies the name of the wireless network, preferably in English.

Key: Specifies the password for the wireless network. The password is used for secure WPA2 encryption of the wireless network, which can prevent the net from being rubbed well.

The above three parameters can actually be used alone, such as using only Mode=disallow to disable the virtual WiFi card directly.

3. Enable Internet Connection Sharing (ICS)

To share the connected Internet with other computers or devices, we need to enable the Internet Connection Sharing feature. Open the Network Connections window, right-click a network connection that is connected to the Internet, select Properties, switch to the Sharing tab, select the check box, and select the network connection that allows it to share the internet here is our virtual WiFi card:

Once identified, a shared flag appears next to the shared network card icon, indicating that Internet Connection Sharing is open to the virtual wireless card:

4. Open the Wireless network

Continue to run the following command at the command prompt:

Netsh wlan start hostednetwork

You can turn on the wireless network that we have set up previously (equivalent to the wireless function of opening the router). Similarly, you can turn off the wireless network by changing start to stop.

As you can see, the virtual wireless network card has opened the wireless networks we have specified, and its IP address and other properties are assigned by the Internet Connection Sharing service, and are therefore more specific:

Everything is ready, and finally you can surf the internet simply by connecting the wireless network to a computer or mobile phone that needs to be networked:

What needs to say is, "virtual WiFi card", the driver that needs the real network card is designed and developed specifically for WINDOWS7. Fortunately, as long as through the "Windows7 logo certification" Wireless network card driver Support this mode, we choose the wireless network card directly to find whether the logo can be. If the virtual wireless network card does not appear in the network connection after the Mode=allow command is run, the feature is not supported by the real NIC. You can upgrade the NIC driver to the latest Windows7 version to try.

In addition to using the command to set up virtual WiFi, Microsoft also exposes its programming interface, providing the possibility for developing graphical setup programs, such as free small software connectify to visually set up virtual WiFi, which students can download on their official website

In short, today's introduction of this feature is very suitable for family or student dormitory use, as long as the sharing of the computer does not sleep does not shut down, you can and the same router to provide network sharing. Using Windows7 can also save you the cost of buying a wireless router, think about it.