Issue with full screen

Discussion in 'OS X Mountain Lion (10.8)' started by cheungtw1969, Jul 28, 2012.

  1. cheungtw1969 macrumors newbie

    Jul 28, 2012
    I am using the MBA 13" at 1440x900 with an external Dell monitor at 1920x1200.

    When I use an application to make it full screen (be in safari, videolan), the other screen becomes a grey background.

    How do I make it not happening because I want to use both screens.

    I don't have this issue if I don't use full screen.

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