Archlinux screen brightness adjustment (dell studio 15z-1569 notebook)

Archlinux screen brightness adjustment (dell studio's 15z-1569 notebook) after the 15z-1569 notebook of the dell studio series is installed with Archlinux, the screen brightness is the highest by default, and the eyes cannot stand it.

The hotkey used to switch the screen brightness of Fn is invalid and cannot change the screen brightness. Linux requires a lot of effort. After a variety of methods, we finally find a solution. 1. edit a script to change the screen brightness. # Vim/usr/local/sbin/brightness. sh echo 600> Save/sys/class/backlight/intel_backlight/brightness, and exit (: wq) www.2cto.com to explain that 600 is a custom value and you have set the brightness that suits you. Do not exceed the maximum value or set it to too small, if the screen is too small, you cannot see the maximum value. view the method # cat/sys/class/backlight/intel_backlight/max_brightness 4648 <-dell. 2. added the executable attribute # chmod + x/usr/local/sbin/brightness. sh 3 the script for changing the screen brightness is automatically run when the system starts # vim/etc/rc. local www.2cto.com # Add the following command/usr/local/sbin/brightness. sh save, exit 4, restart your computer, and check whether the brightness of the screen is reduced! Close the job, and the eyes are quite comfortable. By Han pengcheng