NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver. Make sure that the latest NVIDIA driver is installed and running.

[ksh0165]

https://bluecolorsky.tistory.com/52

apt --installed list | grep nvidia-driver

sudo apt remove nvidia-driver-<설치된 버전> sudo apt autoremove

sudo apt-get install nvidia-driver-<이전에 설치된 버전> sudo reboot now

nvidia-smi

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apt update

apt list

apt list --upgradable

apt upgrade

[ksh0165]

apt-get install software-properties-common

sudo add-apt-repository ppa:graphics-drivers/ppa

sudo apt update

[ksh0165]

삭제

apt remove --autoremove nvidia-* apt list --upgradable apt upgrade