5-86 Service and MaintenanceSpeaker RemovalPrerequisite:Battery Removal on page 5-471. Release the latch and disconnect the hall sensor cable from the hall sensor board connector.Then remove the screw securing the touchpad bracket to the upper case.Figure 5-127. Diconnecting the Hall Sensor Cable and Removing the Screw2. Remove the touchpad bracket from the upper case.Figure 5-128. Removing the Touchpad Bracket