Sony Vaio Function Keys Driver Windows 10 64 Bit Apr 2026

sony-vaio-function-keys-driver-windows-10-64bit If you’ve recently upgraded your trusty Sony Vaio laptop to Windows 10 (64-bit) —or performed a clean installation—you’ve probably noticed one frustrating issue: the Function (Fn) keys no longer work.

Last updated: [Current Month, Year] – Verified on Windows 10 22H2 64-bit. Sony Vaio Function Keys Driver Windows 10 64 Bit

Here’s exactly how to fix it. Windows 10 does a great job finding generic drivers, but Sony Vaio laptops use a custom embedded controller (EC). The standard HID (Human Interface Device) driver can’t interpret the special signals from your Fn key combos. but holding Fn + F2 (mute)

Pressing might still type letters, but holding Fn + F2 (mute), Fn + F5/F6 (brightness), or Fn + F7 (projector) does absolutely nothing. Fn + F5/F6 (brightness)