I am a new user of ubuntu.
I wanted to plug my 24 inch Samsung monitor to my laptop with HDMI.
My laptop has an Nvidia GT 555M and an i7 sandy bridge. so i have 2 graphic cards.
But when i go to displays it said there is only one display (the one from my laptop).
I have tried several things, I have installed Bumblebee but I do not know how to use it.
I only know about
optirun for using the Nvidia card.