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4. Remove the battery (see Battery on page 43).
5. Remove the following components:
a. Hard drive (see
Hard drive on page 48).
b. Optical drive (see
Optical drive on page 44).
c. Switch cover and keyboard (see
Switch cover and keyboard on page 57).
d. Speaker assembly (see
Speaker assembly on page 62).
e. Display assembly (see
Display assembly on page 64).
f. Top cover (see
Top cover on page 74).
Remove the USB board:
1. Disconnect the USB board cable (1) from the LIF connector on the system board.
2. Remove the Phillips PM2.5×5.0 screw (2) that secures the USB board to the base enclosure.
3. Remove the USB board (3) from the base enclosure.
Reverse this procedure to install the USB board.
Subwoofer
Description Spare part number
Subwoofer 516333-001
Before removing the subwoofer, 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.
84 Chapter 4 Removal and replacement procedures