Out of curiosity, how were you installing Ubuntu on the Mac? In a VM? Boot
Camp?
Typed with my thumbs on my iPhone. Expect typlos.
On Aug 21, 2018, at 12:42 PM, Rex Bouwense <majb@xxxxxxxxxx> wrote:--------------------------------------------------------------------
At our most recent installfest we installed 18.04 on a Mac-Mini and the
screen froze just prior to login. I attempted to replicate the problem at
home on an old Dell Opti-Plex and it too failed to boot but it would install
and boot to any of the other Ubuntu "flavors" even Kubuntu which is just as
robust as Ubuntu. Many things were tried, including nomodeset. While
attempting to take nomodeset off the grub menu I discovered that Ubuntu 18.04
now comes with gdm3 as the default login display manager which is a lot
heavier that the older LightDM that used to be the default login display
manager. Older machines may not have the ability to load the gdm3. A
solution was found here:
https://unix.stackexchange.com/questions/446119/the-difference-in-ubuntu-18-04-that-requires-nomodeset/447707#447707
which downloads the LightDM and makes it the default login display manager.
Now the Opti-Plex boots normally.
Rex Bouwense
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