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4.
Remove the audio board (3) and cable.
Reverse this procedure to install the audio board.
Speakers
Description Spare part number
Speakers (include cables and 4 rubber isolators) 655792-001
Before removing the speakers, follow these steps:
1. Turn off 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 the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the battery (see
Battery on page 45), and then remove the following components:
a. Service cover (see
Service cover on page 47)
b. Hard drive (see
Hard drive on page 48)
c. WLAN module (see
WLAN module on page 51)
d. WWAN module (see
WWAN module on page 53)
e.
Keyboard (see
Keyboard on page 58)
f. Base enclosure (see
Base enclosure on page 63)
68 Chapter 4 Removal and replacement procedures