3. Disconnect all external devices connected to the computer.
4. Remove the following components:
a. Base enclosure (see Base enclosure on page 45)
b. Battery (see Battery on page 38)
c. Speakers (see Speakers on page 47).
d. Optical drive (see Optical drive on page 48)
e. Remove the fans (see Fans on page 53)
f. Remove the heatsink (see Heat sink on page 54)
g. Remove the system board (see System board on page 57)
h. Remove the TouchPad board (see TouchPad board on page 62)
Remove the display assembly:
1. Remove the six Phillips PM1.9×3.5 screws securing the left and right hinge brackets (1).
2. Remove the hinge brackets (2).
Component replacement procedures 65