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Thunderbolt Display Arrangement

883 Views 8 Replies Latest reply: Apr 27, 2012 2:14 PM by BradWagner RSS
vielster Calculating status...
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Jan 20, 2012 8:42 AM

So, I'm lucky enough to have an employer who purchased 2 thunderbolt displays along with my new Macbook Pro, and for the most part, everything works as it should.  I simply plug in the monitors (daisy chained) and they both come alive and work.  My issue is that when I reconnect the monitors or I reboot the computer, the screen arrangement when everything starts is completely random. I get 1 of any 4 combinations (position of screen and which screen contains the menu bar).  The per-screen walpapers actually seem to track appropriately so that once I reconfigure everything, the same wallpaper is always on the L & R screens.  This tells me that somehow the system must be able to identify the monitors, but the arrangement is not being saved for some reason.

 

Is there any workaround so that I don't have to manually change the arrangement every single time I reconnect or restart?

MacBook Pro, Mac OS X (10.7.2)
  • gommo Calculating status...
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    Feb 6, 2012 9:29 PM (in response to vielster)

    I would love to know if there are solutions for this

  • MMShannon Calculating status...
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    Apr 21, 2012 5:42 PM (in response to gommo)

    +1 for me.

  • Grant Bennet-Alder Level 8 Level 8 (48,110 points)
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    Apr 21, 2012 6:39 PM (in response to MMShannon)

    You need to be certain the changes you make are recorded, which requires that the Preferences be shut.

     

    If you already do that, perhaps there are problems with the preference file, such as bad permissions, that keep it from being written correctly., or perhaps it is damaged in some other way the confuses the system before it gets to the screen position information.

    Mac Pro (Early 2009), Mac OS X (10.6.8), & Server, PPC, & AppleTalk Printers
  • MMShannon Level 1 Level 1 (0 points)
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    Apr 21, 2012 7:53 PM (in response to Grant Bennet-Alder)

    Thanks Grant. I'm not sure I understand your comment about making sure Preferences are shut. Are you referring to System -> Diaplays?  Do you know which file contains the display preferences?  Again, thanks for your comments!!!

     

    Matt

  • Grant Bennet-Alder Level 8 Level 8 (48,110 points)
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    Apr 21, 2012 8:03 PM (in response to MMShannon)

    Some users have developed a habit af setting

     

    System Preferences > Displays ...

     

    ... and other preferences, and then just leaving the panes open and going on to another window. This makes the change now, but may not save those changes for the next Startup.

     

    Flipping to a different Preferences or closing Preferences entirely will save them, provided the progam has access to the files.

     

    There are displays preferences for the entire computer, for each User account, and there may be additional ones filed in a folder named ByHost, for special circumstances where one User account is shared across many machines.

    Mac Pro (Early 2009), Mac OS X (10.6.8), & Server, PPC, & AppleTalk Printers
  • MMShannon Level 1 Level 1 (0 points)
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    Apr 22, 2012 6:34 AM (in response to Grant Bennet-Alder)

    Ah!!!  I understand.  I've double checked that I havent done it this way.  Still exhibits the behavior.  Ive seen another thread where Apple has confirmed this as an issue with the Displays...

     

    https://discussions.apple.com/message/17601677#17601677

     

    I take it you dont have the same issue?

     

    - Matt

  • Grant Bennet-Alder Level 8 Level 8 (48,110 points)
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    Apr 22, 2012 9:08 AM (in response to MMShannon)

    I am a big fan of of Extended Desktop, an elegant feature that has been in Mac OS since at least 1987, System 4.2 with MultiFinder. It works for all well-behaved Mac Applications without requiring programmers or users to do anything weird.

     

    But at the moment I am using a single 30" cinema display for my daily work, so I am not seeing the problems you describe.

     

    The larger single display makes it easy for me to increase most type sizes for my deteriorating vision. Cataract surgery is coming up soon.

    Mac Pro (Early 2009), Mac OS X (10.6.8), & Server, PPC, & AppleTalk Printers
  • BradWagner Calculating status...
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    Apr 27, 2012 2:14 PM (in response to vielster)

    +1.  Same issue with 2 TB Displays using a MBP 15" Late 2011.

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