If your keys work, but they register as standard F1–F12 keys instead of media keys (meaning you have to physically hold down "Fn" to change brightness), this is a system setting you can alter in the motherboard BIOS. Shut down your laptop completely.
If you receive an error during installation, it's often due to missing prerequisites.
On-screen displays (OSD) for volume or brightness do not appear. The keyboard backlight cannot be activated. toshiba function key utility windows 10 64 bit
Tech-savvy users can write AHK scripts to intercept Fn keypresses. Example:
Getting Your Toshiba Function Keys Working on Windows 10 (64-bit) If your keys work, but they register as
After reboot:
Download the latest available 64-bit version of the utility (even if it is for Windows 8). On-screen displays (OSD) for volume or brightness do
Filter the operating system dropdown menu specifically to .
Look for a row labeled or Toshiba Settings .
Right-click the downloaded file and select .