MBA external display 2560x1440 problems

Discussion in 'MacBook Air' started by stian, Feb 11, 2012.

  1. stian macrumors newbie

    Joined:
    Feb 11, 2012
    #1
    Hey.

    Been googling for about an hour but I can't figure this out. I tried using switchresx as well, but no go.

    I have the latest MBA and I'm trying to connect it to a 27" 2560x1440 display.

    Using both a miniDisplayPort > VGA and > DVI I get no higher resolution than 1080p.

    Also, I'm about to start work at a new place soon, where I'll be getting a MBP, and I need to know what I have to do to get that to work with the same display. (I'm assuming it's the same as with the MBA, but I don't know?).

    Is the machine not able to output 2560 through a VGA/DVI adapter, or what am I doing wrong? What other adapter do I need?

    Thanks a lot.
     
  2. fat jez, Feb 11, 2012
    Last edited: Feb 11, 2012

    fat jez macrumors 68000

    fat jez

    Joined:
    Jun 24, 2010
    Location:
    Glasgow, UK
    #2
    max horizontal res with VGA is 2048 (from memory). To get over 1080 you'll either need a dual-link DVI or stick with native displayport (if possible).
     
  3. stian thread starter macrumors newbie

    Joined:
    Feb 11, 2012
    #3
    Native displayport as in displayport on the monitor? The monitor does have a displayport, but don't i need an adapter for that cable as well?
     
  4. Stetrain macrumors 68040

    Joined:
    Feb 6, 2009
    #4
  5. fat jez macrumors 68000

    fat jez

    Joined:
    Jun 24, 2010
    Location:
    Glasgow, UK
    #5
    you can get a mini-displayport to displayport cable, it's what I used to connect my MBP to my Dell U2711. It's by far the easiest and with least problems.
     
  6. stian thread starter macrumors newbie

    Joined:
    Feb 11, 2012

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