4.Remove the battery (see Battery on page 47).

5.Remove the following components:

a.Bottom door (see Bottom door on page 49).

b.Optical drive (see Optical drive on page 50)

c.Keyboard (see Keyboard on page 63) Remove the top cover:

1.Position the computer upside-down with the front toward you.

2.Remove the following covers and screws that secure the top cover to the computer:

(1)4 rubber screw covers

(2)10 Torx T8M2.5×6.0 screws

NOTE: The following image shows model 4530s. Model 4730s has 15 Torx screws on the bottom.

66 Chapter 4 Removal and replacement procedures