HP Pavilion dv4-3100 HP Pavilion dv4 Entertainment PC - Maintenance and Servic - Page 71

Audio/USB 2.0 board, Battery see

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4. Lift the speaker assembly (3) straight up to remove it from the base enclosure. Reverse this procedure to install the speaker assembly. Audio/USB 2.0 board Description Audio/USB 2.0 board NOTE: The audio board cable is included in the Cable Kit, spare part number 640363-001. Spare part number 641756-001 Before removing the audio/USB 2.0 board, 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 following components: a. Battery (see Battery on page 36) b. Memory module (see Memory module on page 37) c. Optical drive (see Optical drive on page 42) d. Keyboard (see Keyboard on page 44) e. Top cover (see Top cover on page 49) ENWW Component replacement procedures 63

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4.
Lift the speaker assembly
(3)
straight up to remove it from the base enclosure.
Reverse this procedure to install the speaker assembly.
Audio/USB 2.0 board
Description
Spare part number
Audio/USB 2.0 board
NOTE:
The audio board cable is included in the Cable Kit, spare part number
640363-001.
641756-001
Before removing the audio/USB 2.0 board, 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 following components:
a.
Battery (see
Battery
on page
36
)
b.
Memory module (see
Memory module
on page
37
)
c.
Optical drive (see
Optical drive
on page
42
)
d.
Keyboard (see
Keyboard
on page
44
)
e.
Top cover (see
Top cover
on page
49
)
ENWW
Component replacement procedures
63