wi fi driver for laptop dell inspiron 3521

[SABAH2016]

I lost my wi fi signal with no reason
my PC is Dell 3521 laptop
Now am working with LAN

 

[ThatVietGuy]

You should try reinstalling the driver for the wifi and seeing if that works: http://www.dell.com/support/home/us/en/19/product-support/product/inspiron-15-3521/drivers