4.Lift the right edge of the heat shield to disengage the tabs on the left side of the heat shield from the top cover, and then remove the heat shield (3).
5.Disconnect the fan cable from the system board (1).
6.Loosen the 2.0×5.0 captive screw (2) from the system board, and then remove the fan (3).
58 Chapter 4 Removal and replacement procedures
