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Modem module
NOTE: The modem module spare part kits doe not include a modem module cable. The modem module
cable is included in the Cables Kit, spare part number 454008-001. See
Cable Kit on page 21 for more
Cable Kit information.
Description Spare part number
For use in all countries and regions except Japan and Asia Pacific countries and regions 451403-001
For use only in Japan and Asia Pacific countries and regions 449139-001
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 37).
5.
Remove the following components:
a.
Hard drive (see
Hard drive on page 38)
b.
Optical drive (see
Optical drive on page 45)
c.
Keyboard (see
Keyboard on page 47)
d.
Switch cover (see
Switch cover on page 49)
e.
Display assembly (see
Display assembly on page 51)
f.
Top cover (see
Top cover on page 55)
g.
Bluetooth module (see
Bluetooth module on page 61)
h.
System board (see
System board on page 65)
Remove the modem module:
1.
Turn the system board upside down, with the rear edge 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 69