1,建立文件: /usr/share/X11/xorg.conf.d/20-intel.conf
文件內容如下:
Section "Device"
Identifier "Intel Graphics"
Driver "intel"
Option "Backlight" "intel_backlight"
BusID "PCI:0:2:0"
EndSection
2,修改文件:/etc/default/grub
需改內容如下:
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_backlight=video"
3,執行命令: update-grub
4,重啓系統。