How to Disable MacBook Trackpad when mouse is connected


OS X offers an option to ignore built-in trackpad when mouse / wireless trackpad is connected.

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  1. Open System Preferences
  2. Click on Accessibility
  3. Click on Mouse & Trackpad on left panel
  4. Check on “Ignore built-in trackpad when mouse or wireless rackpad is present”
  5. Close Accessibility window.

Disable MacBook Trackpad when mouse is connected
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