Ubuntu 12.04 changed itself to xubuntu and stopped working

[Petter Adsen]

On Fri, 31 Jul 2015 04:57:50 +0800
Bret Busby <bret.busby at gmail.com> wrote:

> On 31/07/2015, Petter Adsen <petter at synth.no> wrote:
> > On Fri, 31 Jul 2015 03:08:21 +0800
> > Bret Busby <bret.busby at gmail.com> wrote:
> >> Trying to access th system via a console, had not occured to me.
> >>
> >> I will try that and then log back into this installation.
> >
> 
> Okay; I was able to go to a console (<CTRL><ALT><F1>) and log in, and
> I purged the xubuntu and XFCE packages that were found.

OK, this is good. The kernel and most of the rest of the system is
still up. It also means you have a working console to determine what
causes the problem.

> I note that, in going to the console, both the laptop screen, and the
> external monitor, displayed the console session.

Of course. Did you expect anything else?

> I then rebooted, and got the Ubuntu splash screen, and then the system
> again goes to the blank screen and displays nothing more, in the GUI
> session.
> 
> In Ubuntu 14.04, when booting, I get the splash screen, then the
> screen goes blank, and then, after a couple of seconds (or something
> like that), the login screen is displayed.
> 
> It is that gap between the splash screen, and the login screen, where
> the Ubuntu 12.04 installation boot process goes awry.

That is when X and the display manager starts, so I would begin by
examining their log files.

Petter

-- 
"I'm ionized"
"Are you sure?"
"I'm positive."
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