Target display mode

Target display mode (TDM) allows supported iMac models with a Mini DisplayPort or Thunderbolt interface to function as an external monitor for another Mac.
==Support==
The iMac functioning as the external monitor must have the same or older display interface as the Mac providing the video signal. iMac models that support target display mode were released from late 2009 to mid 2014; models with Retina displays are not supported. The iMac in target display mode must be running Mac OS X 10.6.1 to 10.13.6; macOS Mojave and later are not supported.Use your iMac as a display with Target Display Mode at the Apple Repair Station UK. 2017-01-11.
This hardware functionality has been replaced by AirPlay, which allows video signals to be broadcast wirelessly.
==References==
==See also==
*Target disk mode
==External links==
*Use your iMac as a display with target display mode at Apple Support
*macOS: How to Turn Your iMac into a Secondary Display by Andrew Orr at the Mac Observer (2018-08-28)
*Undust your iMac with Target Display Mode by Beatrice Tong at Mac O’Clock (2010-03-10)
Category:Terms