Compaq CQ42 manual Modem module, a. Hard drive see Hard drive on page

Modem module

Description	Spare part number
High-speed 56K modem for use in all countries and regions except Australia and New Zealand	510100-001
(for model 1.0 only)
High-speed 56K modem for use in Australia and New Zealand (for model 1.0 only)	510100-011
Modem module cable with RJ-11 connector (included in the cable kit)	610791-001

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 43).

5.Remove the following components:

a.Hard drive (see Hard drive on page 44)

b.Optical drive (see Optical drive on page 47)

c.Keyboard (see Keyboard on page 53)

d.Top cover (see Top cover on page 55)

Remove the modem module:

1.Turn the computer upright 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 cable (2) from the modem module.

Component replacement procedures 61