Thread: How to reset a trackpad on a MacBook Pro?

Reset the Mac SMC

Resetting the System Management Controller (SMC) is a proven fix for all manner of hardware and power-related issues. How you do this depends on whether or not your MacBook has a detachable battery.

Resetting the SMC in MacBooks with non-removable batteries

1. Shutdown your MacBook.
2. Connect the MagSafe adapter.
3. Hold down Shift+Control+Option and the Power button at the same time.
4. Release the keys and look to see if the MagSafe adapter briefly changes color. If it does, the SMC reset has worked.
5. Reboot your Mac and test the trackpad.

Also, To Secure your macOS from virus and trojans, use always a mac optimization software like Mac Optimizer Pro.