Bluetooth Module (Select Models Only) - HP Pavilion DV4-2155 Maintenance And Service Manual

Removal and replacement procedures

Bluetooth module (select models only)

Description
Bluetooth module
Bluetooth module cable
UMA graphics subsystems
Discrete graphics subsystems
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
5. Remove the following components:
a. Hard Drive (see
b. Mini Card compartment cover (see
c. WLAN module (see
d. Optical drive (see
e. Keyboard (see
f. Keyboard cover (see
g. Speaker assembly (see
h. Display assembly (see
i. Top cover (see
4–42
"Battery" on page
"Hard Drive" on page 4-8)
"RTC battery" on page
"WLAN module" on page 4-15)
"Optical drive" on page
"Keyboard" on page 4-20)
"Keyboard cover" on page
"Speaker assembly" on page
"Display assembly" on page
"Top cover" on page 4-34)
4-7).
4-12)
4-19)
4-23)
4-26)
4-27)
Spare part number
537921-001
486847-001
488130-001
Maintenance and Service Guide