(redirected) Inspiron 3521, WIFI issue

Hi team i Bought New Dell  3521 Laptop  , I installed Windows 7 Professional Operating System on Dell 3521 Laptop , After that i installed all drivers Expect Bluetooth + Wifi Driver all other installed successfully. At the time of installing its showing Activate bluetooth using wireless switch, i used  FN+F2 key to activate but Wifi Symbol is shown as activated , in notification also showing Bluetooth icon, and indicator LED also glowing , and also i checked in the Windows Mobility Center that also show Bluetooth is on. Note Screenshot also I attached . CAN ANY ONE GIVE SOLUTION ...