NVIDIA NVML Driver/library version mismatch

Question

When I run nvidia-smi I get the following message:

Failed to initialize NVML: Driver/library version mismatch

An hour ago I receiv

Answer 1

I have to restart my kernels and remove all the packages that I have installed previously(during the first installation), please make sure to delete all the packages, even after removing packages by command below

sudo apt-get --purge remove "nvidia"

the packages like "libtinfo6:i386" doesn't get removed

I'm using Ubuntu 20.04 and Nvidia-driver-440 for that you have to remove all the packages shown below image

List of all the packages that need to be remove:

as shown in the image, make sure that the package you're installing is of the correct size that is 207 Mb for Nvidia-driver-440, if it's less it means you haven't removed all the packages.