联想拯救者R9000p 双系统亮度调节解决方案

问题描述：在联想拯救者R9000p安装双系统时ubuntu系统的亮度无法调节，一直保持在最大亮度

解决方案：更新显卡驱动并修改配置信息

Ubuntu版本：20.04.5 LTS

ubuntu-drivers devices # 查看可用显卡型号

❯ ubuntu-drivers devices== /sys/devices/pci0000:00/0000:00:01.1/0000:01:00.0 ==modalias : pci:v000010DEd000024DDsv000017AAsd00003A4Fbc03sc00i00vendor : NVIDIA Corporationdriver : nvidia-driver-515 - distro non-freedriver : nvidia-driver-525-open - distro non-free recommendeddriver : nvidia-driver-470 - distro non-freedriver : nvidia-driver-515-open - distro non-freedriver : nvidia-driver-515-server - distro non-freedriver : nvidia-driver-470-server - distro non-freedriver : nvidia-driver-510 - distro non-freedriver : nvidia-driver-525 - distro non-freedriver : xserver-xorg-video-nouveau - distro free builtin

sudo apt install nvidia-driver-525 # 安装525型号的显卡sudo gedit /usr/share/X11/xorg.conf.d/10-nvidia.conf # 对显卡配置进行修改

将配置信息修改为如下配置即可实现亮度调节

Section "Device"Identifier"Device0"Driver "nvidia"VendorName"NVIDIA Corporation"BoardName"NVIDIA GeForce RTX 3070 Laptop GPU"Option "RegistryDwords" "EnableBrightnessControl=1"EndSectionSection "OutputClass"Identifier "nvidia"MatchDriver "nvidia-drm"Driver "nvidia"Option "AllowEmptyInitialConfiguration"ModulePath "/usr/lib/x86_64-linux-gnu/nvidia/xorg"EndSection