1
vote
3answers
11k views

Different display on laptop's screen and projector screen?

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?
0
votes
0answers
2k views

How to show the laptop screen content both on a projector and the laptop screen?

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 ...
1
vote
1answer
299 views

How to optimize colors for video projectors?

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 ...