using Late 2009 iMac as an external monitor

Discussion in 'iMac' started by mattwolfmatt, Apr 30, 2012.

  1. mattwolfmatt macrumors 65816


    Jun 7, 2008
    I'm interested in using my late 2009 21" iMac as an external monitor for my late 2010 Macbook air. Both use Mini Display Ports (not Thunderbolt).

    Is this even possible? I'd assume I need a male to male mini display port cable.

    Thanks for your help.
  2. akm3 macrumors 68020

    Nov 15, 2007
    The target display mode is only possible on 27" iMacs (I am 99% sure)
  3. robgendreau macrumors 68040

    Jul 13, 2008
    I agree; I believe that's only possible on the later 27" models.

    Try ScreenRecycler; it's a software method of doing that. Works pretty well if you have a fast connection.


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