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Asus Laptop Backlight Not Working? Here's How to Fix It



Before troubleshooting, here you can learn more about How to turn the keyboard backlight on. If you experience that the keyboard backlight cannot turn on or the display is abnormal after this FAQ, please refer to the following troubleshooting steps in order.




How To Turn On Backlight On Asus Laptopl



On my Asus FX550VX I cannot turn on the keyboard backlight. The fn+F4 or the fn+F3 does not turn it on or off. fn+F3 opens the outlook mail and the fn+F4 opens my browser. How do I turn on the keyboard backlight?


The first way to turn on the keyboard backlight on Windows 10 is by using Windows Mobility Center. The Windows Mobility Center is a built-in tool on Windows 10 that allows you to view information on specific hardware like audio devices and control your keyboard backlight and brightness.


To sum up, backlighting on keyboards helps a lot when typing in low light conditions, primarily if you are not used to typing on your keyboard. However, for some unknown reasons, Windows blocks this feature on your computer and comes turned off by default.


Yes, it writes the file. You can see the maximum brightness in /sys/class/leds/asus::kbd_backlight/max_brightness, you should be able to write values between 0 and the maximum into /sys/class/leds/asus::kbd_backlight/brightness, and that should, in theory, change the brightness of the keyboard. E.g. if the maximum brightness is 50, you could try


You can turn off the backlighting on your keyboard by tapping the shortcut Alt + Brightness down until the backlighting slide drops to 0%. Once you've manually adjusted the backlighting once, the backlighting should stay at that level until rebooted or manually adjusted again.


You can turn up the backlighting on your keyboard by tapping the shortcut Alt + Brightness up until the backlighting is at a more readable level. Once you've manually adjusted the backlighting once, the backlighting should stay at that level until rebooted or manually adjusted again.


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