Hi all, There was another thread on this that I found via Google, but now I can't seem to find it again. I have to occasionally hook up my Macbook (not a Pro) to various digital projectors at different companies. I bought the $20 attachment thing. I brought it in and have not been able to get any projector to recognize it at all. This is on several different projectors. I try hooking it up both before and after turning the computer on and it doesn't work. I went to "Display" in System Preferences but there is nothing there about changing the display (to "dual" or "mirror" or anything), it just says "Color LCD" and some preferences about size, bits and stretching. There are no tabs. The worst part is that I teach at a lot of tech companies, so the people there should all know how to fix it, but...1.) I'm in Taiwan and the people who can help can't read English that well, and my Chinese is OK but not *that* good, and 2.) they all use PCs. Macs are like aliens to them. So they can't fix it either. The manual is worse than useless. I have yet to find a post online that really helps, either. So...er...help please! Thank you!