Hello Adam,
I had also the boot issue on a Dell Optiplex 5050 even with TPM
disabled.
After booting into 5.0.0-32 generic and upgrading grub2 to
"2.04-1ubuntu12.1" I am still stuck while booting (and the color
background of grub menu has switched to black).
lsb_release -rd
Description: Ubuntu 19.10
Release: 19.10
grub-efi:
Installed: (none)
Candidate: 2.04-1ubuntu12
Version table:
2.04-1ubuntu12.1 400
400 http://be.archive.ubuntu.com/ubuntu eoan-proposed/main amd64
Packages
2.04-1ubuntu12 500
500 http://be.archive.ubuntu.com/ubuntu eoan/main amd64 Packages
sudo update-grub2
Sourcing file `/etc/default/grub'
Sourcing file `/etc/default/grub.d/init-select.cfg'
Generating grub configuration file ...
Found linux image: /boot/vmlinuz-5.3.0-19-generic
Found initrd image: /boot/initrd.img-5.3.0-19-generic
Found linux image: /boot/vmlinuz-5.0.0-32-generic
Found initrd image: /boot/initrd.img-5.0.0-32-generic
Found memtest86+ image: /boot/memtest86+.elf
Found memtest86+ image: /boot/memtest86+.bin
Found Windows 10 on /dev/sda1
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You received this bug notification because you are a member of Ubuntu
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https://bugs.launchpad.net/bugs/1848892
Title:
"error: Unknown TPM error." after upgrading to grub 2.04
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1848892/+subscriptions
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