Amigo, você pode usar esses comandos no terminal do seu MacBook, após inserir, faça logout e depois entre novamente.
# Enable tap to click. (Don't have to press down on the trackpad -- just tap it.)
defaults write com.apple.driver.AppleBluetoothMultitouch.trackpad Clicking -bool true
defaults write com.apple.AppleMultitouchTrackpad Clicking -bool true
# Enable "tap-and-a-half" to drag.
defaults write com.apple.driver.AppleBluetoothMultitouch.trackpad Dragging -int 1
defaults write com.apple.AppleMultitouchTrackpad Dragging -int 1
# Enable 3-finger drag. (Moving with 3 fingers in any window "chrome" moves the window.)
defaults write com.apple.driver.AppleBluetoothMultitouch.trackpad TrackpadThreeFingerDrag -bool true
defaults write com.apple.AppleMultitouchTrackpad TrackpadThreeFingerDrag -bool true