Sony Vaio Assist Button Driver Download Link ^new^ [DIRECT]
Many VAIO laptops were made for Windows 7. If you are on a newer OS, try running the installers in Compatibility Mode (Right-click > Properties > Compatibility > Run this program for Windows 7).
Because there isn't a single "driver" just for the button itself, restoring its functionality requires installing a specific set of Sony utilities in a particular order. Why the ASSIST Button Stops Working 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 Many VAIO laptops were made for Windows 7
