SVE 14A16FAH Drivers problem format + new windows

After formatting the hard disk and installing a new windows 7 , the drivers are not working properly,
Switchable graphics are not working at all, i tried reinstalling several versions of the drivers , but the problem is not solved, the ATI graphics card is visible in the device manager but not used at all, switchable graphics option is not available.

The light sensor is not working,
Vaio control center is not installed properly,
Vaio smart network is not installed properly, not working.
Fn keys are not working