HP ProBook 4420s HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Mai - Page 80

Bluetooth module, Remove the Bluetooth module

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Bluetooth module Description Bluetooth module (Bluetooth module cable included in the Cable kit, part number 599525-001, see Cable kit on page 32) Spare part number 537921-001 Before removing the Bluetooth 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 49). 5. Remove the following components: a. Switch cover (see Switch cover on page 51) b. Keyboard (see Keyboard on page 53) c. Palm rest (see Palm rest on page 64) Remove the Bluetooth module: 1. Position the computer right-side up with the front toward you. 2. Remove the Bluetooth module from the base enclosure (1). 3. Disconnect the Bluetooth module cable (2), and then remove the Bluetooth module. 4. Remove the Bluetooth module cable (3) from the system board. 72 Chapter 4 Removal and replacement procedures

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Bluetooth module
Description
Spare part number
Bluetooth module (Bluetooth module cable included in the Cable kit, part number 599525-001,
see
Cable kit
on page
32
)
537921-001
Before removing the Bluetooth 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
49
).
5.
Remove the following components:
a.
Switch cover (see
Switch cover
on page
51
)
b.
Keyboard (see
Keyboard
on page
53
)
c.
Palm rest (see
Palm rest
on page
64
)
Remove the Bluetooth module:
1.
Position the computer right-side up with the front toward you.
2.
Remove the Bluetooth module from the base enclosure
(1)
.
3.
Disconnect the Bluetooth module cable
(2)
, and then remove the Bluetooth module.
4.
Remove the Bluetooth module cable
(3)
from the system board.
72
Chapter 4
Removal and replacement procedures