mouse is going crazy!

Discussion in 'iMac' started by thebiggermac, May 8, 2015.

  1. thebiggermac macrumors newbie

    Apr 27, 2015
    i can't seem to control the mouse, it's jumping up and down on the screen. both the touchpad and external - same thing. does anyone have any experienc with this?
  2. redheeler macrumors 603


    Oct 17, 2014
    If this is a Mac laptop you're in the wrong sub-forum, but it sounds like an issue with your trackpad. Try connecting the external and enabling System Preferences > Accessibility > Mouse & Trackpad > Ignore built-in trackpad when mouse or wireless trackpad is present.

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