Grub2-efi-x64-modules

As addressed in MSI motherboards defy boot manager after BIOS update the question is why

https_proxy=http://127.0.0.1:8082/ http_proxy=http://127.0.0.1:8082/ dnf -y install grub2-efi-x64-modules
or
https_proxy=http://127.0.0.1:8082/ http_proxy=http://127.0.0.1:8082/ wget --secure-protocol=TLSv1_2 -O grub2-efi-x64-modules-2.04-21.fc32.noarch.rpm "https://kojipkgs.fedoraproject.org//packages/grub2/2.04/21.fc32/noarch/grub2-efi-x64-modules-2.04-21.fc32.noarch.rpm"

fail in a Secure Shell or under chroot when a system has become unusable. Is this a sensitive topic?

Which options are available, if both bare metal installation I have are not working any more?

The solution is provided here.