HP ProBook 4520s HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Page 107

Modem module

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3. Remove the Bluetooth antenna (3) from the base enclosure. Reverse this procedure to install the Bluetooth module. Modem module Description For use in all countries and regions except Australia and New Zealand For use only in Australia and New Zealand Spare part number 510100-001 510100-011 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 50). 5. Remove the switch cover and keyboard (see Switch cover and keyboard on page 51). 6. Remove the optical drive (see Optical drive on page 56). Component replacement procedures 99

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3.
Remove the Bluetooth antenna
(3)
from the base enclosure.
Reverse this procedure to install the Bluetooth module.
Modem module
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
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
50
).
5.
Remove the switch cover and keyboard (see
Switch cover and keyboard
on page
51
).
6.
Remove the optical drive (see
Optical drive
on page
56
).
Component replacement procedures
99