can't login through desktop GUI after upgrade from ubuntu 10.04 to 12.01 desktop

Colin Law clanlaw at googlemail.com
Sun Oct 21 08:17:37 UTC 2012


On 20 October 2012 23:45, Qiubo Su (David Su) <qiubosu at gmail.com> wrote:
> Dear Sir/Madam,
>
> I have just upgraded ubuntu 10.04 32 bits desktop to ubuntu 12.04 32 bits
> desktop (through login into ubuntu 10.04 desktop GUI screen, and then
> upgrade to 12.01 through the popup "update manager" GUI screen), but got
> can't login though GUI screen problem, i.e. when login through the GUI
> screen with the correct password, after a few seconds, it is back to the
> same GUI login screen again. However, it can login in through terminal.
>
> Have spent sometime on googling and trying to resolve the problem, but
> unsucessful (during this period of time, run command tasksel several times
> to install and remove some applications, and I think this may cause some
> config data of the system and some applications removed, but I'm not quite
> sure whether it is the case). I have previously had (when under ubuntu
> 10.04) a lot of very important applications, data/files installed already
> (under my own user directory, i.e. /home/qiubosu/), e.g. wine, openoffice,
> virtualbox (and the vm OS images) etc applications. To avoid to
> damage/destroy these applications, data/files, I think it isn't good to
> carry on "fixing" the problem in the same approach.

Before doing anything else back up all your important data.  If
necessary boot off a Live CD to do this.

Colin




More information about the ubuntu-users mailing list