HP 6820s HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 67

Bluetooth module, then unplugging the AC adapter from the computer.

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9. Remove the TouchPad board (1) from the top cover. NOTE: When replacing the TouchPad board and TouchPad button board, be sure the TouchPad button actuators (2) are installed in the top cover. Reverse this procedure to install the TouchPad board and TouchPad button board. Bluetooth module NOTE: The Bluetooth module spare part kit does not include a Bluetooth module cable. The Bluetooth module cable is included in the Cable Kit, spare part number 457615-001. Description Bluetooth module Spare part number 398393-002 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 35). 5. Remove the following components: a. Hard drive (see Hard drive on page 36) b. Optical drive (see Optical drive on page 42) c. Switch cover and keyboard (see Switch cover and keyboard on page 44) d. Speaker (see Speaker on page 48) e. Display lid switch module (see Display lid switch module on page 49) Component replacement procedures 59

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9
.
Remove the TouchPad board
(1)
from the top cover.
NOTE:
When replacing the TouchPad board and TouchPad button board, be sure the TouchPad
button actuators
(2)
are installed in the top cover.
Reverse this procedure to install the TouchPad board and TouchPad button board.
Bluetooth module
NOTE:
The Bluetooth module spare part kit does not include a Bluetooth module cable. The Bluetooth
module cable is included in the Cable Kit, spare part number 457615-001.
Description
Spare part number
Bluetooth module
398393-002
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
35
).
5
.
Remove the following components:
a
.
Hard drive (see
Hard drive
on page
36
)
b
.
Optical drive (see
Optical drive
on page
42
)
c
.
Switch cover and keyboard (see
Switch cover and keyboard
on page
44
)
d
.
Speaker (see
Speaker
on page
48
)
e
.
Display lid switch module (see
Display lid switch module
on page
49
)
Component replacement procedures
59