installing nvidia-dkms will blacklist nouveau but could be neofetch gave you a false detection if running in TTY ?
If not it could be installing the needed packages was not working (just taking a look into
)
So first of all give some needed info like the exact full output when installing packages, and the kernel parameter needs to be added in any case:
DRM kernel mode setting
To enable DRM (Direct Rendering Manager) kernel mode setting, add the
nvidia_drm.modeset=1kernel parameter.
wiki says ![]()
If you are using grub the most common way is to add it to grub boot kernel parameter implementation: