How to install NVIDIA GPU driver in Ubuntu?

If you want to install a specific GPU driver,

sudo apt --purge autoremove nvidia*

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

sudo apt update

sudo apt-cache search NVIDIA driver metapackage

sudo apt-get install nvidia-driver-460

sudo reboot

 

If you want to install ubuntu drivers automatically,

sudo apt --purge autoremove nvidia*

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

sudo apt update

sudo ubuntu-drivers autoinstall

sudo reboot