Second monitor disappeared after 10.10.1

Discussion in 'OS X Yosemite (10.10)' started by DeeAtTheCrest, Dec 13, 2014.

  1. DeeAtTheCrest macrumors newbie

    Dec 13, 2014
    Not only did the second monitor disappear, my Tricaster 455 no longer accepts output from the Mac pro after upgrading to Yosemite 10.10.1. What can I try?
    Projecting from the Mac is why I have it.
  2. Partron22 macrumors 68020


    Apr 13, 2011
    So downdate to the last version of OS that works for that purpose. It'll be several years at least before 10.9 or 10.10.0 gets outdated to the point of causing problems for iTunes, Apple TV or whatever hardware/software it is you're using for projection.

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