Possible Duplicate: How to fix “The system is running in low-graphics mode” error? I installed 12.04 LTS (upgraded from 11.10) but When I start my computer it shows Your system is ...
I remember reading that servers do not have a GUI because X11 is a security risk. Why?
I have notebook with nvidia optimus technology. I have installed bumblebee and everything seems to work fine. The problem is that when I connected a second monitor to my notebook after login, it works ...