In Mountain Lion, I was able to toggle in and off the mirroring for my projector display. In Mavericks, I don't see how to do that. Where can I easily turn on and off mirroring?
I work on a college campus with a number of iMacs hooked up to projectors. For some reason, after imaging, they all default to 800x600 resolution on both the iMacs and the projectors, despite their ...
I try to use an external projector on an mid 2011 iMac running Snow Leopard. The iMac is connected to the projector using a VGA adapter. DVI is out of the question as the beamer supports VGA only. ...