How to activate my WiFi on Windows 7?

My WiFi turned off automatically yesterday and now it is not connected to the internet, for it is said that I have to start by turning on the wireless...

Please tell me how to do this. Also, I tried to press the (fn + f5), but it also does not work...
If anyone has a solution please help me...
Thank you...
Specifications: I use a lenovo laptop with windows 7 on it.

Have you checked the 'switch' on your computer?  There should be a 'light' on your computer, showing that the WiFi is enabled.

Tags: Windows

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