3. Lift up on the front of the modem module (3) to disconnect it from the system board.
4.
Remove the modem module.
Reverse the above procedure to install the modem module.
Audio board
Description Spare part number
Audio board for use only in full-featured computer models without a camera module (includes audio
connectors, infrared lens, and audio board cable)
448627-001
Audio board for use only in defeatured computer models with AMD processors and without a camera
module (includes audio connectors, infrared lens, and audio board cable)
459157-001
Audio board for use only in full-featured computer models with a camera module (includes audio
connectors, infrared lens, and audio board cable)
463974-001
Audio board for use only in defeatured computer models with AMD processors and with a camera
module (includes audio connectors, infrared lens, and audio board cable)
463975-001
Before removing the audio board, 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 53).
5.
Remove the following components:
a.
Hard drive (see
Hard drive on page 54)
b.
WLAN cover (see
WLAN module on page 57)
c.
Optical drive (see
Optical drive on page 64)
88 Chapter 4 Removal and replacement procedures
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