Traduciendo paso 4
Line up the 5 tabs on the top of the keyboard with the tab openings on the palmrest tray
Feed the keyboard data cable down through the palmrest tray so then in the next step you will be able to connect it to the MB
Once you have the keyboard in place. Press the keyboard against the palmrest tray in all areas so that the plastic pegs can connected into the bottom of the keyboard. Listen for snapping sounds.