Hold down Shift+Control+Option and the Power button at the same time. How do you fix an unresponsive trackpad on a MacBook Pro? Check the power adapter you're using with your Mac.Avoid accidental multiple touches on the surface.Make sure your device's batteries aren't low. How do I fix my jumpy trackpad on my Mac? Make sure that the box called 'Scrolling' is checked.
Choose 'Mouse & Trackpad' from the left column, and click on the 'Trackpad Options.' button in the right window. Go to Apple -> System Preferences -> Accessibility. Why won't my Mac let me scroll with two fingers?
