This will reverse your scroll direction, regardless of whether it was already checked or not. To change the scroll direction of your mouse or trackpad, check (or uncheck) the box marked Scroll direction: Natural. If you’re using an external mouse, select Mouse. If you’re using your laptop’s trackpad, select Trackpad. Open System Preferences from the Apple menu. Is your Mac’s mouse wheel scrolling the wrong way? It’s no problem - you can easily change this from System Preferences. Mac Help Desk Mac tips How to change the scroll direction on a Mac?
