Upgrading Ubuntu 17.10 to 18.04 failed and won't boot
59017
How to repair Ubuntu installation after interrupted dist-upgrade without losing any custom settings?
120161
Ubuntu 19.04 problems install upgrades
20751
Problem upgrading Ubuntu 9.10
75727
Kernel panic and unable to boot Ubuntu 16.04 after updating
80794
Ubuntu 18.04 stuck at upgrading linux-header
46173
Can't boot Windows 7 after installing Ubuntu
115421
Ubuntu 13.10 to 14.04 Lts does not upgrade, keeps showing error
36354
Why am I not able to shutdown, log-off and restart after an upgrade to Ubuntu 13.10?
119920
Failed upgrade from Ubuntu 19.10 to 20.04 "Please update the microcode"
7301
How to install Ubuntu 18.04 alongside Windows 10
130374
Error saying "unable to update ICE authority" while booting
133478
Ubuntu 16.04: grub-efi-amd64-signed failed to install into /target/ error
76671
Bootloader install failed
7273
Can't find boot-repair package for the newest version of Ubuntu
119971
Install 17.10 on 32 bit machine
88438
Windows 10 upgrade kills grub and boot-repair doesn't help
1285
My computer boots to a black screen, what options do I have to fix it?