@yogeshpathade: See my first post. You'll have to boot into a live
system, mount the root filesystem, chroot into it and replace the
versions of shim-signed and grub with the original versions. To do so,
purge the installed versions, look up the original versions of those
packages via "apt-cache policy [package]" and then install those via
"apt install [package]=[version]". Boot-repair will not work since it
will try to install the latest versions, which don't work on our
@vorlon: Since this bug seems to affect multiple Thinkpad models, the
title and the priority of this bug should probably be changed.
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(Acer Aspire V3-372) System not booting after update
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