HP Pavilion dv4-3100 HP Pavilion dv4 Entertainment PC - Maintenance and Servic - Page 72

USB 3.0 board*, Reverse this procedure to install the audio/USB 2.0 board.

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Remove the audio/USB 2.0 board: 1. Position the computer right-side up, with the front toward you. 2. Release the ZIF connector (1) to which the audio/USB 2.0 board is connected, and then disconnect the cable (2) from the system board. 3. Remove the Phillips 3.5x2.5 screw (3) that secures the audio/USB 2.0 board to the base enclosure. 4. Lift the audio/USB 2.0 board straight up (4) to remove it from the computer. Reverse this procedure to install the audio/USB 2.0 board. USB 3.0 board* Description USB 3.0 board* NOTE: *Select models only. Spare part number 650704-001 Before removing the USB 3.0 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. 64 Chapter 4 Removal and replacement procedures ENWW

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Remove the audio/USB 2.0 board:
1.
Position the computer right-side up, with the front toward you.
2.
Release the ZIF connector
(1)
to which the audio/USB 2.0 board is connected, and then
disconnect the cable
(2)
from the system board.
3.
Remove the Phillips 3.5x2.5 screw
(3)
that secures the audio/USB 2.0 board to the base
enclosure.
4.
Lift the audio/USB 2.0 board straight up
(4)
to remove it from the computer.
Reverse this procedure to install the audio/USB 2.0 board.
USB 3.0 board*
Description
Spare part number
USB 3.0 board*
650704-001
NOTE:
*Select models only.
Before removing the USB 3.0 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.
64
Chapter 4
Removal and replacement procedures
ENWW