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 641830-001. See
Cable Kit on page 39
for more Cable Kit spare part number information.
Description Spare part number
Modem module 628824-001
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 63).
5. Remove the bottom door (see
Bottom door on page 70).
Remove the modem module:
1. Position the computer upside-down with the front toward you.
2. Remove the two Phillips PM2.0×3.0 screws (1) that secure the modem module to the system
board.
3. Disconnect the modem module (2) from the system board by lifting it straight up.
4. Disconnect the modem module cable (3) from the modem module.
Reverse this procedure to install the modem module.
Component replacement procedures 89
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