Disable Reverse Scrolling in Mac OS X 10.7 Lion

 Disable reverse (natural) scrolling in Mac OS X 10.7 Lion with these simple steps.

Trackpad

1. Open the Apple menu in the upper-left corner of the screen and select “System Preferences.”
2. Click the “Trackpad” icon.
3. Clear the check from the “Scroll Direction: Natural” box.
4. Close the window.

Note: On some older Macs, the box that you need to clear the check from may have the label “When using gestures to scroll or navigate, move content in the direction of finger movement.”

Mouse

1. Open the Apple menu and select “System Preferences.”
2. Click the “Mouse” icon.
3. Clear the check from the “Move content in the direction of finger movement when scrolling or navigating” box.
4. Close the window.