NVIDIA driver error reporting solution

Command line input

nvidia-smi

report errors:

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

Solution 1:

Don’t rush to reinstall the NVIDIA driver. First check whether the security boot is disabled in the BIOS. If not, please enter the BIOS to disable the security boot!

Solution 2:

Confirm that the security boot is disabled, and then follow the online method:

enter the Ubuntu advanced option and select the previous kernel version. If the previous method doesn’t work, reinstall the NVIDIA driver