If you've recently upgraded to Windows 10 64-bit, you may need to update your Sony Vaio function keys driver to ensure compatibility. Even if your function keys were working correctly on your previous version of Windows, it's possible that the driver may not be compatible with Windows 10. Updating the driver can resolve issues such as:
The result? Your volume OSD (On-Screen Display) never appears, and pressing Fn+F5 does nothing. Sony Vaio Function Keys Driver Windows 10 64 Bit
When you install a clean copy of Windows 10 (64-bit) on a Sony Vaio, several conflicts arise: If you've recently upgraded to Windows 10 64-bit,