HP Pavilion dv4-2100 HP Pavilion dv4 Entertainment PC - Maintenance and Servic - Page 84

Bluetooth module (select models only

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Removal and replacement procedures Bluetooth module (select models only) Description Bluetooth module Bluetooth module cable UMA graphics subsystems Discrete graphics subsystems Spare part number 537921-001 486847-001 488130-001 Before removing the Bluetooth module: 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 disconnecting the power cord from the AC outlet and then disconnecting the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). 5. Remove the following components: a. Hard Drive (see "Hard Drive" on page 4-8) b. Mini Card compartment cover (see "RTC battery" on page 4-12) c. WLAN module (see "WLAN module" on page 4-15) d. Optical drive (see "Optical drive" on page 4-19) e. Keyboard (see "Keyboard" on page 4-20) f. Keyboard cover (see "Keyboard cover" on page 4-23) g. Speaker assembly (see "Speaker assembly" on page 4-26) h. Display assembly (see "Display assembly" on page 4-27) i. Top cover (see "Top cover" on page 4-34) 4-42 Maintenance and Service Guide

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4–42
Maintenance and Service Guide
Removal and replacement procedures
Bluetooth module
(select models only)
Before removing the Bluetooth module:
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 disconnecting the power cord from the AC outlet and then
disconnecting the AC adapter from the computer.
4. Remove the battery (see
“Battery” on page 4-7
).
5. Remove the following components:
a.
Hard Drive (see
“Hard Drive” on page 4-8
)
b.
Mini Card compartment cover (see
“RTC battery” on page 4-12
)
c.
WLAN module (see
“WLAN module” on page 4-15)
d.
Optical drive (see
“Optical drive” on page 4-19
)
e.
Keyboard (see
“Keyboard” on page 4-20
)
f.
Keyboard cover (see
“Keyboard cover” on page 4-23
)
g.
Speaker assembly (see
“Speaker assembly” on page 4-26
)
h.
Display assembly (see
“Display assembly” on page 4-27
)
i.
Top cover (see
“Top cover” on page 4-34
)
Description
Spare part number
Bluetooth module
537921-001
Bluetooth module cable
UMA graphics subsystems
486847-001
Discrete graphics subsystems
488130-001