nMP 10.9.3 More than 2 displays

Discussion in 'Mac Pro' started by Kryckter, May 15, 2014.

  1. Kryckter macrumors 6502


    Mar 12, 2009
    Has anyone updated to 10.9.3 yet and have more than 2 displays?

    I have 3 displays, one of them using mini display port, the other 2 are using Active adapters and DVI. Its worked fine since I got the nMP. However since the update, I can only get 2 monitors working, doesn't matter which 2, but just 2.

    Anyone else?
  2. Bad Leopard macrumors member

    Jan 14, 2014
    Yes, I have 2 Asus PA279Q monitors hooked up via mini display port, and a Wacom Cintiq 22HD hooked up via DVI to Thunderbolt adapter on 10.9.3 (13D61), and having 0 issues.
  3. Kryckter thread starter macrumors 6502


    Mar 12, 2009
    Weird, someone else in the main 10.9.3 thread is having the same problems as me.

    And I have tried changing to have 2 passive hooked directly up and just using one active adapter and it still does not work...
  4. jenzjen macrumors 68000

    Aug 20, 2010
  5. macpro2000 macrumors 6502a


    Apr 20, 2005
    It's something messed up with 10.9.3. Apple has acknowledged the problem and they are trying to get a fire update completed.
  6. bxs macrumors 6502a

    Oct 20, 2007
    Seattle, WA
    Have 3 displays on my MP6,1 12core/1TB-SSD/D700s/64GB-RAM

    1) 20" ACD via DVI->MDP->TB port
    2) LG 34UM95 via TB->TB port
    3) 60" Sony Bravia TV via HDMI->HDMI

    All three are working without issues under 10.9.3.
  7. Kryckter thread starter macrumors 6502


    Mar 12, 2009
    Wierd. I just tried hooking up 2 of my displays to the TB ports and a TV to the HDMI port and I still only get 2 displays working.

    I wonder what is causing it to break from some and work for others...

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