Also, make sure Fn keys are enabled in your system’s BIOS. Furthermore, you should also be having an active internet connection.

This happens a lot with Windows and simply restarting everything properly fixes the issue.īefore we move on with the specific solutions, make sure that you are logged in as an administrator. Error State: Your machine might be in an error state.Installation file: The installation file which is responsible for managing your hotkeys (which includes laptop backlight hotkey) might not be executed yet in your computer for installation.Refreshing and checking each hardware component one by one will eliminate this.