不用更改grub,更改顯示配置檔案:/etc/X11/xorg.conf
Section "Device"
Identifier "Default Device"
VendorName "NVIDIA Corporation"
Driver "nvidia"
Option "NoLogo" "True"
Option "RegistryDwords" "EnableBrightnessControl=1"
EndSection
在配置檔案中加入倒數第二行内容:
Option "RegistryDwords" "EnableBrightnessControl=1"