ubuntu18.04 NVIDIA显卡 联想y7000 亮度无法调节

Step1 安装 NVIDIA 显卡驱动

Step2

修改grub

sudo vim /etc/default/grub

更改下面的内容

GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_osi=Linux nvidia.NVreg_EnableBacklightHandler=1"

sudo update-grub

修改NVIDIA配置文件

sudo vim /usr/share/X11/xorg.conf.d/10-nvidia.conf

添加如下内容：

Section "Device"                                                                                                                                                                          
     Identifier "Device0"
     Driver "nvidia"
     VendorName "NVIDIA Corporation"
     Option "RegistryDwords" "EnableBrightnessControl=1" 
     Option "NoLogo" "True"
EndSection