sudo apt-get --purge remove "*cublas*" "*cufft*" "*curand*" \
 "*cusolver*" "*cusparse*" "*npp*" "*nvjpeg*" "cuda*" "nsight*" 

cuda10以上

cd /usr/local/cuda-xx.x/bin/
sudo ./cuda-uninstaller
sudo rm -rf /usr/local/cuda-xx.x

cuda10以下

cd /usr/local/cuda-xx.x/bin/
sudo ./uninstall_cuda_xx.x.pl
sudo rm -rf /usr/local/cuda-xx.x

然后删除环境变量。

重装

sudo apt update
 apt search nvidia-driver
 apt install nvidia-driver-530

成功~