Weird flipping screens

Discussion in 'OS X Yosemite (10.10)' started by DMark, Apr 6, 2015.

  1. DMark macrumors newbie

    Apr 6, 2015
    I'm having a problem. When I bring a mouse near any active icon or button, the window will change size, the desktop will blur and an image of the desktop will appear in a band above. When the desktop is blurred, it is impossible to click/activate an icon. The screen will quickly flip back and forth. I tried to attach two images to illustrate, but not sure if that works on this forum. Any ideas?

    Attached Files:

  2. Son-Y macrumors newbie

    Jan 21, 2015
    Possibly it is just "mission control" which lets you switch between apps and desktops. It is triggered by a trackpad-gesture:

    To look it up you can go to:
    System Preferences > Trackpad > More Gestures

    This is where you also can turn this trackpad-gesture on or off.

  3. DMark thread starter macrumors newbie

    Apr 6, 2015
    Thanks but no trackpad on my Mac. However, I applied your suggestion to the mouse and changed the odd mouse functions like mission control launch to function keys, so they're all F#. Problem solved, but still not sure why it started after 5 yrs with no problem. Must be aging mouse....
    Thanks again, really appreciate it

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