Modem Module - HP 540 - Notebook PC Maintenance And Service Manual

Modem module

NOTE: The modem module spare part kits do not include a modem module cable. The modem module
cable is included in the Cable Kit, spare part number 457400-001. See
Cable Kit spare part number information.
Description
For use only in the United States
For use only in Japan and Asia Pacific countries and regions
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
5. Remove the following components:
a.
b.
c.
d.
e.
f.
g.
h.
i.
Remove the modem module:
1. Turn the system board upside down, with the USB connectors toward you.
2. Remove the two Phillips PM2.5×4.0 screws (1) that secure the modem module to the system board.
76 Chapter 4 Removal and replacement procedures
Battery on page
Hard drive (see Hard drive on page
Optical drive (see Optical drive on page
Keyboard (see Switch cover and keyboard on page
Switch cover (see Switch cover and keyboard on page
Speaker (see Speaker on page
Display lid switch module (see
Display assembly (see
Top cover (see Top cover on page
System board (see System board on page
37).
38)
45)
51)
Display lid switch module on page
Display assembly on page
58)
66)
Cable Kit on page 20
Spare part number
461749-001
461749-011
47)
47)
52)
53)
for more