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. Once all desired changes have been made, click the OK button.Popular fixes for Backlight not Working in Windows Click to select the desired length of time until backlight turns off when there is no keyboard activity:ħ. To disable the backlight feature, remove the check from the box next to Turn backlight on when surroundings dark.Ħ. 
The Turn backlight on when surroundings dark box must be checked in order to allow you to specify the length of time until the backlight turns off. In the Backlit KB screen, to enable the backlight feature, click to place a check in the box next to Turn backlight on when surroundings dark. In the VAIO Control Center window, click Keyboard and Mouse and then click Backlit KB.ĥ. In the System and Security window, click VAIO Control Center.Ĥ. In the Control Panel window, click System and Security.ģ. Click the Start button, and then click Control Panel.Ģ. Consult the Marketing Specifications or Users Guide to see if your computer has this feature.ġ. Not all Sony computers are equipped with this feature. IMPORTANT: In order to use this procedure your computer must have the Backlit KB feature.
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