Problem with the Wi-Fi

Hi,

(First : I don't speak a lot of English and excuse me if I write some wrongs things on my posts ;) )

I've got a big problem from some weeks, the Wi-Fi of my Xperia E3 doesn't work (he doesn't start and when he starts, he stops to find networks), sometime he works correctly and after sometime he stops with any reasons...


When I do

Code:

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adb logcat

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and I start Wi-FI by the notifications it's written :

Code:

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D/WifiStateMachine( 1063): handleMessage: E msg.what=131083
D/WifiStateMachine( 1063): processMsg: InitialState
D/WifiHW  ( 1063): Unable to unload driver module "wlan": No such file or directory
D/WifiService( 1063): setWifiEnabled: true pid=1178, uid=10026
E/WifiHW  ( 1063): size = 6
E/WifiHW  ( 1063): size = 29816
V/DexLibLoader( 5047): wrote 4968796 bytes to dex prog-a0af7cb08408279384aaa0ef36b024a6fdddb642.dex.jar
E/WifiStateMachine( 1063): Failed to load driver
D/WifiStateMachine( 1063): handleMessage: X

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Thanks a lot for all the answers you will give me :)