To use the new 27-inch iMac as an external monitor requires a very specific cable to work: a Mini DisplayPort to Mini DisplayPort cable, to be exact. It does not work with a HDMI cable or a DVI cable, ...
I've been battling through some issues with my newish Mac Mini and audio. It made me dig out an Mini Displayport adaptor for my Mac Mini to connect it to my TV. On their website, they say, "• DVI ...
Apple does not make a first-party Mini DisplayPort to HDMI adapter, and there is no sign of one yet on the Apple store. Existing third-party options have been available since early 2009 for under $20.