HP Dv4 1540us Service Guide - Page 84

Bluetooth module, Keyboard cover see

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Bluetooth module Description Bluetooth module Spare part number 483113-001 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 55). 5. Remove the following components: a. Hard drive (see Hard drive on page 59) b. WLAN cover (see WLAN module on page 62) c. Optical drive (see Optical drive on page 57) d. Keyboard (see Keyboard on page 72) e. Keyboard cover (see Keyboard cover on page 74) Remove the Bluetooth module: 1. Remove the Phillips PM2.0×4.0 screw (1) that secures the Bluetooth module to the system board. 2. Lift the Bluetooth module from the system board (2). 3. Disconnect the Bluetooth module cable from the Bluetooth module (3). Reverse the above procedure to install the Bluetooth module. 76 Chapter 4 Removal and replacement procedures

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Bluetooth module
Description
Spare part number
Bluetooth module
483113-001
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
55
).
5.
Remove the following components:
a.
Hard drive (see
Hard drive
on page
59
)
b.
WLAN cover (see
WLAN module
on page
62
)
c.
Optical drive (see
Optical drive
on page
57
)
d.
Keyboard (see
Keyboard
on page
72
)
e.
Keyboard cover (see
Keyboard cover
on page
74
)
Remove the Bluetooth module:
1.
Remove the Phillips PM2.0×4.0 screw
(1)
that secures the Bluetooth module to the system board.
2.
Lift the Bluetooth module from the system board
(2)
.
3.
Disconnect the Bluetooth module cable from the Bluetooth module
(3)
.
Reverse the above procedure to install the Bluetooth module.
76
Chapter 4
Removal and replacement procedures