Wifi/ethernet devises dont work

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Registration date
Saturday August 2, 2014
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Last seen
March 3, 2017
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Hello,
i would like to ask you,
one day i turned on the computer but suddenly i found the wifi is Off and the only way to turn it on is FN+f3 but those buttons dont work
i tried to connect by ethernet cable but i found that the green led it allumed before i insert the cable and when i insert it nothing happen and im sure that the ethernet cable is working!
i did dignostic but nothing helps
i has gone to the device manager but i didnt find the devise
before i was see : calcom atheros but now notihng only hamachi
please help me at the nearest time thanks