Ubuntu 18.04.4 卸载 nvidia 驱动

dpkg -l | grep -i nvidia

apt purge nvidia*

# nvidia-smi

Command 'nvidia-smi' not found, but can be installed with:

apt install nvidia-340
apt install nvidia-utils-390

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参考：

1. [Ubuntu]:禁用nouveau、安装&卸载NVIDIA CUDA及驱动(深度学习)