Changing Primary Monitor on Dual-Monitor System

Discussion in 'OS X Yosemite (10.10)' started by Laisha, Jun 28, 2015.

  1. Laisha macrumors regular


    For no apparent reason, when I booted my Mac Mini up this morning, only one of my two monitors was recognized.

    Not a problem, right? I went to system preferences : Display and put the other one in.

    But for the same non-reason, the left monitor was on the right and the right one was on the left. So I fixed that as well.

    Problem is this: It has made the wrong monitor my primary. I tried to use my machine like this, but I'm old and a creature of habit. I can't find anything in Display to change the primary monitor on a dual-monitor system.

    Help, please!
  2. triptolemus macrumors 6502


    Apr 17, 2011
    Under System Preferences, Display, Click Arrangement, then drag the white bar -- which is a representation of the Menu Bar -- to the desired monitor.

    Screen Shot 2015-06-28 at 3.51.56 PM.png
  3. Laisha thread starter macrumors regular


    Thank you so much! That sure was much simpler than I had anticipated!

    I plead old age! :)

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