HP 6820s HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 81

Modem module

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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 457615-001. Description Modem module Spare part number 441074-001 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 35). 5. Remove the following components: a. Hard drive (see Hard drive on page 36) b. Optical drive (see Optical drive on page 42) c. Switch cover and keyboard (see Switch cover and keyboard on page 45) d. Speaker (see Speaker on page 49) e. Display lid switch module (see Display lid switch module on page 50) f. Display assembly (see Display assembly on page 51) g. Top cover (see Top cover on page 55) h. System board (see System board on page 61) 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. Component replacement procedures 71

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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 457615-001.
Description
Spare part number
Modem module
441074-001
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
35
).
5.
Remove the following components:
a.
Hard drive (see
Hard drive
on page
36
)
b.
Optical drive (see
Optical drive
on page
42
)
c.
Switch cover and keyboard (see
Switch cover and keyboard
on page
45
)
d.
Speaker (see
Speaker
on page
49
)
e.
Display lid switch module (see
Display lid switch module
on page
50
)
f.
Display assembly (see
Display assembly
on page
51
)
g.
Top cover (see
Top cover
on page
55
)
h.
System board (see
System board
on page
61
)
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.
Component replacement procedures
71