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NOTE: When replacing the bottom cover, make sure to remove the modem plug from the slot in the
bottom cover if the repaired unit includes a modem.
Speaker assembly
Description Spare part number
Speaker assembly 641186-001
Before removing the speaker assembly, 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 58).
5. Remove the following components:
a. Bottom door (see
Bottom door on page 64).
b. Hard drive (see
Hard drive on page 69)
c. Optical drive (see
Optical drive on page 65)
d. WLAN module (see
WLAN module on page 76)
e. WWAN module (see
WWAN module on page 74)
f. Fan (see
Fan on page 85)
g. Heat sink (see
Heat sink on page 86)
h. Keyboard (see
Keyboard on page 92)
i. Bottom cover (see
Bottom cover on page 94)
Remove the speaker assembly:
1. Position the bottom cover with the front toward you.
2. Remove the two Phillips PM2.0×3.0 screws (1) that secure the speaker assembly to the bottom
cover.
Component replacement procedures 99