f.
Top cover (see
Top cover on page 80)
g.
Wireless switch board (see
Wireless switch board on page 85)
h.
Audio board (see
Audio board on page 88)
i.
Bluetooth module (see
Bluetooth module on page 89)
j.
USB board (see
USB board on page 90)
Remove the system board:
1. Disconnect the power connector cable (1) from the system board.
2. Remove the two black Phillips PM2.5×4.0 screws (2) that secure the system board to the computer.
3. Use the optical drive connector (1) to lift the right side of the system board until it rests at an angle.
4. Release the system board (2) by sliding it to the right at an angle until the connectors on the left side
of the system board disengage from the base enclosure.
5. Remove the system board (3).
96 Chapter 4 Removal and replacement procedures
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