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.
Struggling with volume, brightness, or WiFi keys on your Sony Vaio after upgrading to Windows 10 64-bit? Here is exactly how to find, install, and fix the Function Key driver. Sony Vaio Function Keys Driver Windows 10 64 Bit
Don’t worry. Your keyboard isn’t broken. Windows 10 simply doesn’t include the proprietary Sony driver that translates those hardware commands. Here’s exactly how to fix it
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. Struggling with volume, brightness, or WiFi keys on
Last updated: [Current Month, Year] – Verified on Windows 10 22H2 64-bit.
Fix Sony Vaio Function Keys on Windows 10 (64-Bit): The Complete Driver Guide