下载驱动文件

官网地址：官方驱动 | NVIDIA
根据自己的显卡型号，选择驱动文件进行下载
（注意：选择系统的下拉框中如果没有ubuntu系统，可以点击全部系统，就能选择了）

更新系统软件

root账户下操作

apt update

apt install g++ gcc make

禁用默认驱动

安装Nvidia驱动前，需要禁用自带显卡驱动nouveau

vi /etc/modprobe.d/blacklist.conf

在文件末尾添加并保存：

blacklist nouveau
options nouveau modeset=0

更新initinitramfs，执行以下命令

update-initramfs -u

查看可用驱动

ubuntu-drivers devices

== /sys/devices/pci0000:00/0000:00:02.0/0000:03:00.0 ==
modalias : pci:v000010DEd00002503sv0000107Dsd00002503bc03sc00i00
vendor   : NVIDIA Corporation
model    : GA106 [GeForce RTX 3060]
driver   : nvidia-driver-525 - distro non-free
driver   : nvidia-driver-525-server - distro non-free
driver   : nvidia-driver-535-open - distro non-free
driver   : nvidia-driver-535-server - distro non-free
driver   : nvidia-driver-470-server - distro non-free
driver   : nvidia-driver-535-server-open - distro non-free recommended
driver   : nvidia-driver-525-open - distro non-free
driver   : nvidia-driver-535 - distro non-free
driver   : nvidia-driver-470 - distro non-free
driver   : xserver-xorg-video-nouveau - distro free builtin