To make use of a 27-inch iMac in Goal Show mode with every other pc because the supply:
Make sure that each computer systems are grew to become on and conscious.
Join a male-to-male Mini DisplayPort cable to the Mini DisplayPort on every pc. The 27-inch iMac will enter Goal Show Mode and show content material from the supply pc.
Word: In case you are connecting two 27-inch iMacs, join a Mini DisplayPort cable to every laptop and press Command + F2 on the 27-inch iMac keyboard that you’re going to use as an exterior show.
To go away Goal Show mode, press Command + F2 on the keyboard of the 27-inch iMac that’s in Goal Show mode. To come back to Goal Show mode, press Command + F2 once more.