Now open a tty1 session by pressing Ctrl+ Alt+ F1 and log on with either your root account or your local account (which should have access to the sudo command). You'll need to write down these instructions or access them via another device as you won't have a GUI soon. For sake of example I will call it n for this. AMD Cleanup Utility is designed to remove any previously installed AMD graphics and audio drivers/software found on a system and to prepare it for new. Select and uninstall the older drivers for your Nvidia. The feature may be Uninstall a program or Add/Remove programs depending on your Windows version. Select Search and enter Uninstall Program. To find them do the following: Open Finder and press the Shift+Command+G shortcut. These files are usually hidden and stored in the system Library folder. Now you need to find all the leftovers (service files) of the Nvidia driver on your Mac’s disk. Expand Display adapters and then right click the NVIDIA display driver to Uninstall device. Part 1: Uninstall NVIDIA Drivers in Device Manager. Download the driver (I assume you've done this) from nVidia's site. The safest way to remove the nvidia driver is to do dpkg -l grep nvidia Search for nvidia-xxx.xx version or nvidia-driver-xxx.xx version and then type sudo apt purge nvidia-xxx.xx It will only remove that package but will also flag its dependencies for removal. Fully uninstall your current or older drivers. Make a right-click on it and select Remove CUDA Preference Pane. It is said above that users can uninstall NVIDIA drivers in Device Manager, so you may as well get rid of the old driver in this management tool.

How to fully uninstall nvidia drivers