[Problema Trackpad MacBook Pro 13 Atualização High Sierra]

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