About the "Ignoring accidental trackpad input" option on computers with the Multi-Touch trackpad
Summary
Are you trying to locate the Ignore accidental trackpad input trackpad option on the Trackpad tab in Keyboard & Mouse System Preferences—or the Trackpad System Preferences if using Mac OS X v10.5.6 or later—on your MacBook, MacBook Pro, or MacBook Air computer with a Multi-Touch trackpad?
Products Affected
MacBook Air (Mid 2009), MacBook Pro (17-inch, Mid 2009), MacBook Pro (13-inch, Mid 2009), MacBook Pro (15-inch, Mid 2009), MacBook Pro (15-inch, 2.53GHz, Mid 2009), MacBook Air (Original), MacBook Pro (17-inch, Early 2008), MacBook Pro (15-inch Early 2008), MacBook Pro (17-inch, Early 2009), MacBook (13-inch, Aluminum, Late 2008), MacBook Air (Late 2008), MacBook Pro (15-inch, Late 2008)
The "Ignore accidental trackpad input" trackpad option no longer appears in System Preferences. Functionality for "Ignore accidental trackpad input" is enabled automatically, by default for these computers.
Additional Information
To learn keyboard and trackpad tips and shortcuts for MacBook, MacBook Pro, and MacBook Air computers with Multi-touch trackpads, see MacBook Air and MacBook Pro (Early 2008): Useful keyboard and trackpad tips and shortcuts.