1. Go to driver page https://support.getac.com/Portal/Page/763
2. Enter your serial number of the K120G3 Unit
3. On BIOS section it will have the Keyboard Dock EC click details
4. Click the link there to download the file
5. Unzip the File and open the folder within
6. There is a Guide you can view if needed
7. You'll make sure the K120G3 is on the keyboard dock and power is applied on the keyboard
8. Run the K120G3KeyboardFlash.exe
9. Let it continue to run without interruption until its completed to bring it to the latest firmware on the keyboard

If you have any issues please contact support at 866-394-3822 and we can remote in to assist.