The best way to start our troubleshooting is by power cycling your system. Moreover, do not forget to check for any loose cables. 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. Hardware issues: Sometimes the manufacturer’s hardware (in this case ASUS) does not sync properly with the operating system.

Incorrect Drivers: If the latest drivers are not installed for your keyboard (whether laptop or external), you will not be able to access all of its features (which includes backlighting).

Asus g75vw keyboard not lit up