Don’t worry. Your keyboard isn’t broken. Windows 10 simply doesn’t include the proprietary Sony driver that translates those hardware commands.
Fix Sony Vaio Function Keys on Windows 10 (64-Bit): The Complete Driver Guide
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.
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. Don’t worry
To restore full functionality (volume, brightness, media playback, WiFi toggle, and sleep), you need the and the Sony Function Keys Driver . Step 1: Don’t Use Windows Update (It Rarely Works) Many users spend hours letting Windows Search for drivers. On a Sony Vaio running 64-bit Windows 10, Windows Update almost never delivers the correct Fn driver. You need to install it manually. Step 2: Download the Correct Driver Package Sony officially stopped supporting many Vaio models for Windows 10. However, the Windows 8.1 64-bit driver works perfectly on Windows 10 64-bit for 95% of Vaio laptops (S, T, E, F, and Z series).
Pressing might still type letters, but holding Fn + F2 (mute), Fn + F5/F6 (brightness), or Fn + F7 (projector) does absolutely nothing. Fix Sony Vaio Function Keys on Windows 10
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.