MacBook: Trackpad disable
In some cases, it disable useful the built - in Trackpad of your MacBook-for example, if you are the "Apple Magic Mouse" prefer the Trackpad has a Defect. If you do not use the Multi-Touch surface at all, this is another reason to disable the Trackpad, since it consumes additional energy. Depending on the operating system of your MacBook, do the following, the function of the Trackpad to adjust:

Trackpad of a MacBook
Trackpad in Mac OS X 10.6 Snow Leopard off
- Open the "system settings".
- Under "appearance" click on "accessibility".
- There you have to click on the "mouse & Trackpad" and set ignore the checkmark next to "Built-in Trackpad if a mouse or wireless Trackpad is present".
Trackpad in Mac OS X Lion 10.7 & Mountain Lion 10.8 disable
- You can also open the "system settings".
- Click on "settings" and "accessibility".
- Under the "mouse & Trackpad" set it to ignore the check in the "Built-in Trackpad if a mouse or wireless Trackpad is present".

Trackpad disable
You want to the Trackpad of your MacBook continue to use, you can use the Trackpad to adjust settings.