
If the problem persists after you’ve gone through all of the troubleshooting methods, reset your pc, Please make a backup of your personal files before resetting your computer. Continue to the next troubleshooting step if the problem persists after installing the driver.If you dont have a desktop PC and the slider doesnt appear or work, try updating the display driver. To find the brightness slider in earlier versions of Windows 10, select Settings > System > Display, and then move the Change brightness slider to adjust the brightness. You may learn more about How to search for and download drivers by visiting this page. The Brightness slider appears in action center in Windows 10, version 1903. Download and install the ASUS System Control Interface driver from the ASUS support site.


Replace the AC adapter and battery, and then turn on the computer to see if the problem has been repaired.To perform a hard reset, press and hold the Power Button for 40 seconds.Memory cards, CD/DVDs, dongles, and other external devices should all be removed.Reinstall the control interface driver for ASUS system.If the keyboard backlight does not turn on or the display is not working properly, please follow the troubleshooting procedures below:
