Screen Switching Problem Lion

Discussion in 'OS X Mountain Lion (10.8)' started by fireworksdesign, Jul 18, 2013.

  1. fireworksdesign macrumors member

    Apr 8, 2011
    I just noticed last week when for example I'm viewing a site, I have an app opened like Photoshop as well but the browser is the selected window.

    The screen suddenly shows the photoshop window for half a second. And it happens like 10 times a day max.

    I'm using macbook air 2011 connected to an external monitor. Could it be a software update problem? Or the monitor ?

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