Filter
Top Products
Modem module
NOTE: The modem module spare part kit does not include a modem module cable. The modem module
cable is included in the Cable Kit, spare part number 452198-001. See
Cable Kit on page 27 for more
Cable Kit spare part number information.
Description Spare part number
Modem module 443899-001
Before removing the modem module, 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 45).
5. Remove the following components:
a. Hard drive (see
Hard drive on page 49)
b. Optical drive (see
Optical drive on page 53)
c. Keyboard (see
Keyboard on page 57)
d. Switch cover (see
Switch cover on page 71)
e. TouchPad (see
TouchPad on page 67)
f. Display assembly (see
Display assembly on page 75)
g. Top cover (see
Top cover on page 80)
h. Speaker assembly (see
Speaker assembly on page 82)
Remove the modem module:
1. Remove the two Phillips PM2.5×4.0 screws (1) that secure the modem module to the system board.
2. Disconnect the modem module (2) from the system board by lifting it straight up.
84 Chapter 4 Removal and replacement procedures