HP 4730s User Manual download pdf (Page 84)

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 646303-001 for 4530s models,

646304-001 for 4730s models. See

Cable Kit on page 30 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 47).

5. Remove the following components:

a. Bottom door (see

Bottom door on page 49).

b. Optical drive (see

Optical drive on page 50)

c. Keyboard (see

Keyboard on page 63)

d. Top cover (see

Top cover on page 65)

Remove the modem module:

1. Position the computer upright with the front toward you.

2. Remove the two Phillips PM2.5×5.0 screws (1) that secures the modem module to the system

board.

3. Disconnect the modem module (2) from the system board by lifting it straight up.

76 Chapter 4 Removal and replacement procedures

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HP 4730s User Manual Page 84