Ubuntu如何卸载cuda driver

听闻少年二字，当与平庸相斥。这篇文章主要讲述Ubuntu如何卸载cuda driver相关的知识，希望能为你提供帮助。

Ubuntu上安装了cuda driver后不能启动进入界面，只好通过recovery模式进入，然后卸载cuda driver。
参考地址：
【Ubuntu如何卸载cuda driver】How to uninstall the NVIDIA drivers on Ubuntu 20.04 step by step instructions
??https://linuxconfig.org/how-to-uninstall-the-nvidia-drivers-on-ubuntu-20-04-focal-fossa-linux??
这里列出了两种方法，介绍如下，
方法一: Uninstall the Ubuntu repository and PPA NVIDIA drivers

The following command will remove the proprietary Nvidia driver: $ sudo dpkg -P $(dpkg -l | grep nvidia-driver | awk print $2) $ sudo apt autoremove
Switch back to nouveau driver: $ sudo apt install xserver-xorg-video-nouveau

The above switch from Nvidia to Nouveau driver can also be performed from GNOME GUI ??Software & Updates?? application window.
Reboot your system.
Once your system has rebooted confirm loaded ??nouveau??? modules: $ lsmod | grep nouveau nouveau19496964 mxm_wmi163841 nouveau ttm1064961 nouveau drm_kms_helper1843201 nouveau drm4915207 drm_kms_helper,ttm,nouveau i2c_algo_bit163841 nouveau wmi327683 wmi_bmof,mxm_wmi,nouveau video491521 nouveau

方法二：Uninstall the official NVIDIA drivers
For Nvidia drivers downloaded and installed from the ??official Nvidia ??website follow the below steps for Nvidia driver uninstall and to switch back to Nouveau opensource driver.

Locate the installation script used to install the Nvidia driver. In case you cannot locate the original installation script simply ??re-download it again.??? $ ls NVIDIA-Linux-x86_64-440.44.run
Uninstall the Nvidia Driver. Update the below Nvidia script name where appropriate : $ sudo bash NVIDIA-Linux-x86_64-XXX.XX.run --uninstall
If you have not done so yet, restore your ??xorg??? original configuration from backup: $ sudo nvidia-xconfig --restore-original-backup
Enable Nouveau modules. If you followed our guide on ??how to disable nouveau drivers on Ubuntu 20.04??? execute the following command: $ sudo rm /etc/modprobe.d/blacklist-nvidia-nouveau.conf
Reboot your Ubuntu 20.04 system.