Screen resolution on external monitor

Discussion in 'OS X Yosemite (10.10)' started by LucasG, Oct 11, 2014.

  1. LucasG, Oct 11, 2014
    Last edited: Oct 14, 2014

    LucasG macrumors regular

    LucasG

    Joined:
    Aug 4, 2010
    #1
    Currently running OS X Yosemite GM Candidate 2 on a MacBook Pro (Retina, 13-inch, Late 2013) and using an external ASUS VW266H 25.5" (1920x1200, HDMI cable), I'm experiencing an issue were the screen doesn't actually completely stretch to fill up all the available space. You'll notice a black bevel in the pictures.
     

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  2. LucasG thread starter macrumors regular

    LucasG

    Joined:
    Aug 4, 2010
    #2
    Bumping as I've updated the thread with more sense! :D
     
  3. Freyqq macrumors 68040

    Joined:
    Dec 13, 2004
    #3
    Try it plugging into a thunderbolt port. For some monitors, I've seen that issue with hdmi
     
  4. mannyo1221 macrumors member

    Joined:
    Sep 21, 2011
    Location:
    Blandford, UK.
    #4
    it looks like the typical overscan / underscan issue with HDMI. HDMI is traditionally used to output video, which typically has a 5-10% overscan. it looks like the monitor is compensating for this and reducing the screen size so it would fit on a normal TV. The monitor should have a setting to override this behaviour in its setup menu so that you get full 1:1 pixel mapping.
     
  5. LucasG thread starter macrumors regular

    LucasG

    Joined:
    Aug 4, 2010
    #5
    What I don't understand is why it started happening after I upgraded to Yosemite. I'm gonna try a thunderbolt connector I bought a few days ago.
     
  6. mannyo1221 macrumors member

    Joined:
    Sep 21, 2011
    Location:
    Blandford, UK.

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