Administration screens gone..

[Matthew Kuiken]

Chanchao wrote:
> I don't know how I managed this but all my administration screens are
> gone, save for a few non-admin-rights ones.
>
> There's two possible ways this may have come about:
>
> Installing Xubuntu-desktop, and xubunty-system-tools, then uninstalling
> xubuntu-system-tools again as they mostly match the Ubuntu ones.  After
> that all my admin screens were gone. 
>
> Secondly, it may have happened while adding another user with admin
> rights.. and ended up with nobody with sudo/admin rights!  I managed to
> correct this by going into recovery mode and so a 'visudo' to update the
> sudoers file and adding my username as (ALL) ALL (same as root).  
>
> So after that I can sudo again, but my admin screens are still gone.
>
> What can be my next step to fix this?
>
>   
Is your user still a member of group admin?

-Matt