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. BNHabs macrumors regular

    Jul 5, 2010
    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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