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dual imacs

  1. M

    Dual display iMac setup

    I have two 27" iMacs and would like to use one of them as an extended display. All of the research I have done, including on the Apple website, says that all iMacs from Late 2009 onwards are capable with this feature. The two iMacs I have are Late 2009 and Mid 2011 models (see below/attached)...