[Bug 1863434] Re: 20.04 grub menu not visible

[Alexey]

I seem to have the same bug under Linux Mint 19.1 on a late 2008
MacBook.

After some upgrade a few months ago, I've got a [problem with shim-
signed][1], where I was getting "Failed to set MokListRT" error and no
GRUB menu. After purging shim-signed, the error messages were gone, but
the GRUB menu did not come back.

I tried the solution linked to from comment #23, and it worked, but

(1) the menu does not look the same as before,

(2) there seem to be somewhat unusual timeouts before the menu is shown
and after a boot option is selected, but I may be wrong.

The workaround suggested in comment #23 is to set

    GRUB_TERMINAL=console

in /etc/default/grub.

[1]: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1867092

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https://bugs.launchpad.net/bugs/1863434

Title:
  20.04 grub menu not visible

Status in grub2 package in Ubuntu:
  Incomplete

Bug description:
  T430
  Ubuntu MATE 20.04

  New installation.

  After initial boot there is a blank black screen where grub should be visible.
  Grub is functional but not visible.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: grub-common 2.04-1ubuntu18
  ProcVersionSignature: Ubuntu 5.4.0-14.17-generic 5.4.18
  Uname: Linux 5.4.0-14-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.11-0ubuntu16
  Architecture: amd64
  CurrentDesktop: MATE
  Date: Sat Feb 15 09:19:13 2020
  InstallationDate: Installed on 2020-02-14 (0 days ago)
  InstallationMedia: Ubuntu-MATE 20.04 LTS "Focal Fossa" - Alpha amd64 (20200214)
  ProcEnviron:
   LANGUAGE=en_US
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: grub2
  UpgradeStatus: No upgrade log present (probably fresh install)

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