Before removing the top cover, follow these steps:
1.Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system.
2.Disconnect all external devices connected to the computer.
3.Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer.
4.Remove the battery (see Battery on page 46).
5.Remove the following components:
a.Hard drive (see Hard drive on page 50)
b.Memory/WLAN module compartment cover (see Expansion memory module on page 54)
c.Optical drive (see Optical drive on page 60)
d.Keyboard (see Keyboard on page 62)
e.Switch cover (see Switch cover on page 68)
f.Display assembly (see Display assembly on page 75)
Remove the top cover:
1.Turn the computer upside down, with the rear panel toward you.
2.Remove the two rubber screw covers (1) on the front edge of the computer.
NOTE: The base enclosure rubber screw covers are included in the Plastics Kit, spare part number
3.Remove the eleven Torx T8M2.5×9.0 screws (2) that secure the top cover to the computer.
4.Remove the two HM5.0×9.0 screw locks (3) that secure the top cover to the computer.
80 Chapter 4 Removal and replacement procedures
