# sudo -i 進入超級使用者模式
# nano /usr/share/X11/xorg.conf.d/80-backlight.conf
複製以下內容
Section "Device"
Identifier "Intel Graphics"
Driver "intel"
Option "AccelMethod" "sna"
Option "Backlight" "intel_backlight"
BusID "PCI:0:2:0"
EndSection