Sometimes drivers with different versions can cause such problems.

Try updating your BIOS and chipset drivers and see if it makes any difference.

If you have created one then restore your system in the previous state by going in the system restore settings. The best practice in such cases is to create a System Restore Point before installing the software.

Did you make any software changes recently after which the backlighting stopped working? If so, then you should try uninstalling that software and see if it fixes the issue.

They may look differently depending on the brand of laptop you own. This key can be different for different models of laptops.

The first thing to do, press the FN + Spacebar to turn the backlighting ON or OFF.

Here, we will list the most common solutions to fix the problem. Unlike many other issues, the backlight issue of not working on your computer can be composed of several different reasons but not all of them might not be applicable in your case.

Popular fixes for Backlight not Working in Windows There is a possibility that they fail to work due to bad software updates or hardware issues. There could be several reasons for them to not work. Keyboard backlighting is controlled through software.

Having a backlit keyboard on your laptop has become common now. They provide better visibility and make it easy to type even under totally dark rooms. Backlit keyboards are those keyboards which have keys illuminated with some LED underneath them.

How to fix keyboard settings on laptop