Magic Trackpad and Magic Mouse: How to adjust double-click and scrolling speed in Lion

Learn how to adjust the double-click and scrolling speed of your Magic Trackpad or Magic Mouse with OS X Lion.

  1. From the Apple () menu, choose System Preferences.
  2. From the View menu, choose Universal Access.
  3. Click the Mouse & Trackpad tab.
    Mouse and trackpad System Preferences
    For Magic Trackpad, click Trackpad Options to show these slider controls:
    Mouse options in System Preferences
    For Magic Mouse, click Mouse Options to show these slider controls:
    Trackpad options in System Preferences
  4. Adjust the sliders to your preference for double-click and scrolling speeds. 
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