Lenovo laptops contain a feature that allows you to quickly turn Wi-Fi on and off. If you do not know this chip, you will not be able to enjoy all the benefits, and if your computer refuses to connect to Wi-Fi.
Gently rotate Lenovo around so that the back side was at the right of the ac.
Find the Wi-Fi switch on its right side.
Click the switch to the icon In the form of a square.
Turn Lenovo to you, and click Start, Control Panel, Network and Internet, Network Settings, and then Manage Network Connections.
Right-click the wireless adapter in the list, and then click the Enable button if this option is available. Otherwise, just click the “Cancel” button.16 January 2016