1, here in Windows 8, for example, first find the system "computer", as shown in the figure.
2, then select the "Computer" and click the right mouse button, and then click the "Management" option, as shown in the picture.
3. Next, select the Device Manager option in the right pane of the Open Computer Management window, as shown in the figure.
4, and then locate the network adapters option in the middle pane.
As shown in the figure.
5, under the "network adapter", the current computer will list all the network card devices. The network device with the word "WiFi" is the wireless card, as shown in the figure.
Note: The general PC computer, in the driver is installed in the case, if the network adapter list only one network card device, it means that the current computer does not have a wireless network card.