If your trackpad stopped working for the following reasons:
No matter the reason or the problem, we can fix it, we can undo it!
Here are some tips and shortcuts for your MacBook Trackpad:
Right-click: All you have to do is tap with two fingers.
Scroll: Just slide two fingers up or down.
Zoom in/out: Pinch with two fingers to zoom in or out.
Show desktop: Spread three fingers and thumb.
Show all the apps you’re using: Swipe down with four fingers.
Swipe between pages: Swipe left or right with two fingers to switch to previous or next page.
Swipe between apps: Swipe three or four fingers left or right to switch between full-screen apps and desktop
Rotate an object: Move a thumb and a finger around an object (like photo) to rotate it.
Open Launchpad: Pinch three fingers and thumb.
Show mission control: Swipe up with four fingers