I recently used my MacBook Pro (OS X 10.8.4) with a projector using a mini display port to VGA adapter. The resolution of the screen was modified from the use of the projector from 1680x1050 to ...
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. ...