Just to add some more about the issue:
I found out the problem is probably about the new drivers turning on the monitor autodetection feature on the graphic card.
I also found out many graphic cards driver allow you to turn this feature off (ati + nvidia), but I didn't find the switch on the intel interface.
Is there a program/utility that can do that? Another version of the drivers?
Can this feature be implemented in the next drivers version?
Is there anyone who knows how to ask for that feature to be implemented?
Well, I guess no one has any idea about this issue, thanks anyway for reading