HP 4320T manual Description Spare part number Modem module

Modem module

Description	Spare part number
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. See Cable Kit on page 22 for more Cable Kit spare part
information.
High-speed 56K modem for use in all countries and regions except Australia and New Zealand	510100-001
High-speed 56K modem for use in Australia and New Zealand	510100-011

Before removing the modem module, follow these steps:

1.Shut down the computer.

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 36).

5.Remove the following components:

a.Switch cover (see Switch cover on page 37)

b.Keyboard (see Keyboard on page 39)

c.DVD-ROM drive (see DVD-ROM drive on page 43)

d.Speakers (see Speakers on page 46)

e.Palm rest (see Palm rest on page 48)

f.Top cover (see Top cover on page 67)

Remove the modem module:

1.Position the computer right-side up with the front toward you.

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

3.Lift the modem module (2) straight up to disconnect it from the system board.

4.Disconnect the modem cable (3) from the modem module.

Component replacement procedures 69