Fn key not working on g580

as the subject says, my fn key refuses to work along with the up directional key and left directional, i havent spilled anything on it or dropped it, they just stopped working! any help?

Hi seamuss119,
Welcome to Lenovo Community Forums!
Uninstall energy Management under Control Panel / Uninstall a program.
after uninstalling Energy Management, Open Device Manager and under display Adapter and look for the Intel HD and make sure to place a check under Remove driver software for this device.
After uninstalling those two,
download and install these.
Graphics Driver
      Windows 7
              Intel Video Driver for 32-bit Windows
              Intel Video Driver for 64-bit Windows
     Windows 8
             Intel VGA Driver for 32-bit Windows
             Intel VGA Driver for 64-bit Windows
Lenovo Energy Management
Lenovo Energy Management
Restart after every Installation and see if it works
Best Regards
Solid Cruver
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