mikeyknob

Q: Displays preferences don't stick for monitor arrangement after upgrading

I have three monitors on a MacPro...  one is a TV on the wall, two are late-model Apple displays on my desk.

 

I have never had a problem with the OS remembering the arrangement of these three monitors, but ever since upgrading to Mountain Lion, the two monitors on my desk are constantly getting switched up after each restart...  every time I restart my mac, I inevitably have to rearrange the desktop monitors to the correct position and move the menu-bar to the correct location.

 

This is exacerbated by the fact that the third monitor sometimes is/isn't switched on.  Before Mountain Lion, it didn't matter if the third monitor was on -- I could turn it on/off at any point with the mac turned on or off...  and my monitor positions were always preserved.  But now, I am constantly having to rearrange the monitors, sometimes with the third one on/off -- and reset the monitor arrangement from scratch, almost on a daily basis.

 

Any ideas out there why my arrangement prefs won't stick?

 

Thanks in advance.

Mac Pro, OS X Mountain Lion

Posted on Aug 13, 2012 10:13 AM

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Q: Displays preferences don't stick for monitor arrangement after upgrading

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  • by Jack H Ng,

    Jack H Ng Jack H Ng Jan 20, 2014 4:40 AM in response to garyleif
    Level 1 (4 points)
    Jan 20, 2014 4:40 AM in response to garyleif

    Do you power on the monitor first before you connect your Mac or after?

     

    I found this from another thread: (so I left a feedback at apple.com/feedback)

     

     

     

    Hello everyone,

     

    While I fear everyone may have moved on to the ten grand can by this point, I am still trying to get this issue with the older Mac Pro resolved. I have some exciting news for you all!

     

    About a week ago, I had had enough, so I unplugged my Mac Pro, and carried it 10 blocks down to the Apple Store in Charleston, SC, where I was graciously greeted by the genius team whom I had previously spoke to about the problem. We did some testing in the store and were in fact able to replicate the problem. The genius spent some time looking through Apple's logs of cases and support documentation, but was unable to find anything relating to this issue. The next step he then told me, was to escalate the issue to the engineering department. I was told I would hear a response back in about a week. To my amazement, it was less than 48 hours later. I got a call from the same guy at the local Apple store. He told me that he spoke to the engineering team and said this, "this is a software or firmware bug that has recently been brought to light. The issue is related to the order in which the displays are powered on/brought out of sleep." I was told the best thing for me to do next, was to head over to apple.com/feedback and fill out a software bug feature request. I did so, and I would suggest that all of you, still have this issue do the same as well!

     

    I will certainly keep you all informed of any further developments.

     

    -John

  • by passenger57,

    passenger57 passenger57 Dec 27, 2014 11:45 AM in response to Jack H Ng
    Level 1 (4 points)
    iPhone
    Dec 27, 2014 11:45 AM in response to Jack H Ng

    My 10 grand can has the same problem.

    I have the latest 2014 MacPro with Yosemite.

     

    About a couple weeks ago my computer would forget the multi monitor arrangement on boot up.

     

    I tried all the suggestions here, no luck. I wonder if it's a bug.

  • by xprsnism,

    xprsnism xprsnism Mar 31, 2015 1:20 AM in response to Jack H Ng
    Level 1 (0 points)
    Mar 31, 2015 1:20 AM in response to Jack H Ng

    Experiencing this too with a 2012 Mac Mini, and just gave Apple feedback.

     

    (My screen arrangements are reset on restart. Using two Dell 27". One via miniDP/TB (daisy-chained through a Drobo 5D) and one via HDMI. Both screens work fine, but the arrangement is reset.)

  • by Mcpro-User,

    Mcpro-User Mcpro-User Apr 16, 2015 9:47 AM in response to passenger57
    Level 1 (0 points)
    Apr 16, 2015 9:47 AM in response to passenger57

    OK. I am not alone. So it seems this is Yosemite.

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