Sony Vaio Assist Button Driver Download - !!hot!! Link

Install the VAIO Care application. This ensures there is a program for the button to launch.

If you only install the driver, the button may not do anything. If you only install the software, the button may not trigger the software. sony vaio assist button driver download link

a. SFEP Driver (run as Administrator) → Reboot b. VAIO Event Service → Reboot c. VAIO Care (optional, but recommended) → Reboot Install the VAIO Care application