Toshiba Function Key Utility Windows 10 64 Bit May 2026

How to Install and Use Toshiba Function Key Utility on Windows 10 (64-bit)

  1. Install .NET Framework 3.5 (Windows Features → enable .NET 3.5). The utility requires it.
  2. Install Toshiba System Driver first, then reboot.
  3. Check Device Manager for any unknown devices under "System devices" or "Keyboards".
  4. Disable Fast Startup in Power Options → Choose what power buttons do → uncheck Fast Startup (prevents driver loading issues).

1. What Does It Actually Do?

If any of these sound familiar, your system is missing the Function Key Utility.

Toshiba Value Added Package

To get your Toshiba function keys (Fn) working on Windows 10 (64-bit), you typically need the . This package contains the Function Key Utility and Flash Cards Support Utility , which provide the on-screen display and manage hotkey shortcuts. 1. Download the Necessary Utilities toshiba function key utility windows 10 64 bit

Cause:

You downloaded a 32-bit version on 64-bit Windows, or the installer is for an older OS. Fix: Force compatibility mode: How to Install and Use Toshiba Function Key

If the keys aren't behaving as expected, you can change their mode: FAQ: What is Toshiba Function Key? - Support - Dynabook Install