But before we move toward the real solution. There are some definitive ways through which we can fix this issue, and those are mentioned below. How To Fix Asus Keyboard Backlight Not Working In Windows 10
Outdated Drivers:- If the system which you are using hasn’t updated the required drivers for keyboards, then also you will stumble on this type of problem.If that’s the case, then checking hardware, and fixing issues associated with it will resolve this issue.