4–66 Maintenance and Service Guide
Removal and replacement procedures
Modem module
✎
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 numbers 583282-001 (for use only with HP Compaq 6545b and 6540b
computer models) and 583957-001 (for use only with HP Compaq 6445b and 6440b computer models).
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 4-7).
5. Remove the following components:
a. Bluetooth module (see “Bluetooth module” on page 4-9)
b. Mass storage device (see “Mass storage device” on page 4-11)
c. Optical drive (see “Optical drive” on page 4-23)
d. Keyboard (see “Keyboard” on page 4-25)
e. Switch cover (see “Switch cover” on page 4-33)
f. Palm rest (see “Palm rest” on page 4-36)
g. TouchPad (see “TouchPad” on page 4-38)
h. Display assembly (see “Display assembly” on page 4-45)
i. Top cover (see “Top cover” on page 4-59)
Description Spare part number
For use in all countries and regions except Australia and New Zealand 510100-001
For use only in Australia and New Zealand 510100-011
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