I saw a lecturer using PowerPoint to present his lecture, however, I notice that although the projector only show the PowerPoint's slides, his laptop screen show different things. How can I do that?
My laptop is Lenovo T400, and my OS is Ubuntu 10.10. I connect my laptop to a projector to do presentation. By hitting the functional key "Fn + F7". the laptop screen content will be shown by the ...
as I am doing my first conference talk, I want to prepare as best as I can. I often encounter problems that make my images looking on laptop/workstation screen perfect, but you can't see anything or ...