HELP: Black bars on left and right side of screen at resolution of 2560x1440

Discussion in 'MacBook Air' started by BNHabs, Jun 21, 2012.

  1. macrumors regular

    Joined:
    Jul 5, 2010
    #1
    For some reason my Macbook Air is outputting 2560x1440 to my Dell U2711 however on the screen I have a black bar on the left and right side? Shouldn't that resolution fit the whole screen? What am I doing wrong?
     

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