Hi all , I have Lenovo G585 , the contact between the laptop and WLAN is ok , and I have installed its original driver , but when I press Fn+F5 the WLAN dose not work , it still off, I have replaced it by another but nothing change pleas any one could tell me why ? if the problem caused by BIOS , please provide me BIOS update and thanks so much..........

Is Lenovo Energy Management Software installed?

No ....................

So install it.

I shall do........

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Posted after 25 minutes 57 seconds:
Thanks very much , now WLAN is working well..........