I've just bought a brand new macbook pro 13 Retina and try to use my iMac 27 (late-2009) as a secondary display.
It doesn't work...
I connect them using a thunderbolt cable but iMac is not recognized at all even if I try to force the target mode (Command + F2).
I red the forum and the following article but nothing works .
Any idea ?
I have the 15 inch Retina MacBook Pro and I got it to work by getting the following mini DisplayPort to DisplayPort cable :
Retrieving data ...