Win7 system notebook can not connect to WiFi, what should I do?

Most laptops have wireless network card devices. In a wireless network environment, you can connect to a wireless WiFi network. Of course, the wireless network should be in the absence of a password or you know the WiFi password. In order to connect, recently users have reflected that the notebook win7 64-bit flagship version can not connect to the WiFi network, why can other computers or mobile phones be connected in the same environment? There are many factors in this phenomenon, the following for the notebook wireless network can not Analyze and solve all aspects of the connection.
1, first check if the NIC switch is turned on
The notebook model is different, the way the NIC switch is turned on is also different. Some notebooks are turned on with the NIC switch on the side. Some notebooks are opened by the Fn+ wireless logo shortcut.
2, the network card driver is not installed full
View: Right click on my computer, and then select properties, device manager, network adapter and other options, pay attention to the red line drawn in front of the display is an exclamation point or The red fork, if not, indicates that the drive is normal, if necessary, reinstall the NIC driver.
3, if you still can't connect, you need to check if the wireless is disabled.
4, if not, see if the following services are open. Right click on My Computer and select Options for Administration, Services & Applications, Services.
The above is to check whether the network card switch is turned on, whether the network card driver is installed completely, whether the wireless is disabled, and whether the wireless network card related service is disabled, etc., we can use the exclusion method to operate, if still can not connect If there is a problem with the hardware, it is recommended to take the notebook to the after-sales department for inspection and maintenance.