14. If it is necessary to replace the modem module cable, disconnect the cable (1) from the modem
module and the system board (2), and remove the modem connector (3) from the clip built into the
base enclosure.
NOTE: The modem module cable is available in the Cable Kit, spare part number 443887-001.
Reverse this procedure to install the top cover, microphone, Bluetooth module cable, and modem
module cable.
Speaker assembly
Description Spare part number
Speaker assembly 443909-001
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 46).
5. Remove the following components:
a. Hard drive (see
Hard drive on page 50)
b. Memory/WLAN module compartment cover (see
Expansion memory module on page 54)
c. Optical drive (see
Optical drive on page 60)
d. Keyboard (see
Keyboard on page 62)
e. Switch cover (see
Switch cover on page 68)
Component replacement procedures 83
