关于独立显卡笔记本安装显卡驱动及调节亮度

在网上参考了很多教程，很多都不通用，以我的笔记本电脑为例（光影精灵4_GTX1050Ti），整理了一下有效的教程

1. 将NVIDIA repository 加入你的 apt

wget https://developer.download.nvidia.com/compute/cuda/repos/ubuntu1804/x86_64/cuda-repo-ubuntu1804_10.0.130-1_amd64.deb
sudo dpkg -i cuda-repo-ubuntu1804_10.0.130-1_amd64.deb
sudo apt-key adv --fetch-keys https://developer.download.nvidia.com/compute/cuda/repos/ubuntu1804/x86_64/7fa2af80.pub
sudo apt update
wget http://developer.download.nvidia.com/compute/machine-learning/repos/ubuntu1804/x86_64/nvidia-machine-learning-repo-ubuntu1804_1.0.0-1_amd64.deb
sudo apt install ./nvidia-machine-learning-repo-ubuntu1804_1.0.0-1_amd64.deb
sudo apt update

2. 安装 NVIDIA Driver

ubuntu-drivers devices
sudo ubuntu-drivers autoinstall

若在安装期间遇到driver安装不完整的情况，所以重新再试一次：

sudo apt-get update
sudo ubuntu-drivers autoinstall

安装完以后重新启动：

sudo reboot

测试一下是否安装成功：

 base) ➜  Frequent-use git:(master) nvidia-smi
Sun Aug 18 09:03:59 2019
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 430.40       Driver Version: 430.40       CUDA Version: 10.1     |
|-------------------------------+----------------------+----------------------+
| GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile Uncorr. ECC |
| Fan  Temp  Perf  Pwr:Usage/Cap|         Memory-Usage | GPU-Util  Compute M. |
|===============================+======================+======================|
|   0  GeForce GTX 106...  Off  | 00000000:05:00.0  On |                  N/A |
| 29%   33C    P8     8W / 120W |    110MiB /  6077MiB |      0%      Default |
+-------------------------------+----------------------+----------------------++-----------------------------------------------------------------------------+
| Processes:                                                       GPU Memory |
|  GPU       PID   Type   Process name                             Usage      |
|=============================================================================|
|    0      1630      G   /usr/lib/xorg/Xorg                            39MiB |
|    0      2055      G   /usr/bin/gnome-shell                          68MiB |
+-----------------------------------------------------------------------------+

(这里声明一下，上面是我看另一个老哥的安装结果，我运行nvidia-smi的时候出错，但我的附加驱动显示已安装)

3.修改xorg.conf文件

1.先看一下有没有xorg.conf这个文件
cd /etc/X11
ls一下，若没有的话执行sudo nano xorg.conf
然后输入下面的内容：

Section "Screen"Identifier "Default Screen"DefaultDepth  24
EndSection
Section "Module"Load  "glx"
EndSection
Section "Device"Identifier    "Default Device"Driver    "nvidia"Option    "NoLogo"  "True"Option "RegistryDwords" "EnableBrightnessControl=1"
EndSection

如果有的话在终端输入：

sudo nano /etc/X11/xorg.conf（注意大小写）打开该文件，把
Section “Device”
Identifier “Device0”
Driver “nvidia”
VendorName “NVIDIA Corporation”
EndSection
改成
Section “Device”
Identifier “Device0”
Driver “nvidia”
VendorName “NVIDIA Corporation”
Option “RegistryDwords” “EnableBrightnessControl=1”
EndSection
然后保存退出
重启后就可以调节亮度了
但暂时还无法通过键盘快捷键调节亮度，若后续找到可以使用的教程，我会补上

参考文献

【1】ubuntu 18.04 安装 nvidia drivers 430安装
【2】ubuntu安装nvidia显卡驱动后不能用快捷键调节亮度的解决办法