Locate the "System Software," "Utilities," or "Applications" section on your model's download page. Download the following installation files to your desktop:
If your model page lists any "VAIO Care Update" patches, download and install those next. Troubleshooting: What to Do If the Button Still Fails sony vaio assist button driver download link
This component binds the physical Assist button to the Windows input manager. Locate the "System Software
If the button still does not work after installing the app above, you need to force-install the drivers in "Compatibility Mode." sony vaio assist button driver download link
👉 VAIO Care for Windows 10/11 (Microsoft Store) (Note: This link works if the Microsoft Store app is active on your PC).