Retina MBP help with external monitor

Discussion in 'MacBook Pro' started by iNewbie, Jul 29, 2012.

  1. iNewbie macrumors regular

    Aug 25, 2006

    I have an older Dell 3007 30 inch monitor. When I plug it into my 2010 MBP via a monoprice dual link dvi - which needs a USB port for power and a display port cable, then it works fine and I can set the monitor to it's native 2560x1600 resolution.

    When I plug the 2 cables into my new Retina MBP the highest mode it lets me select for the dell is 1600x1000.

    Has anyone seen this before? Is there a way to get this working with the retina MBP?

    My retina is running Mountain Lion with all the updates applied.

  2. iNewbie thread starter macrumors regular

    Aug 25, 2006

    Yay! After some more googling I found this thread with the solution:

    Short answer is in the display preferences screen for the monitor if you hold down "Option" while clicking on "Scaled" then you get a lot more resolutions to choose from.

    Not sure if this "sticks" yet if you unplug the laptop and such, but it's a solutions at least.

    Another poster suggested SwitchResX - I've not tried that though.
  3. mobilitech macrumors newbie

    Jul 8, 2010
    Glad I stumbled across your problem! I have a 30" Apple Cinema Display so I suspect I might have similar problems once I get my laptop:)

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