HP ProBook 440 G3 Notebook PC - Maintenance and Service Guide

Reverse this procedure to install the function board.
USB/audio/card reader board
Description Spare part number
USB/audio/card reader board 826374-001
USB/audio/card reader board cable (included in Cable Kit) 826399-001
Before removing the USB/audio/card reader board, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is o 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 rst 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 33).
5. Remove the following components:
a. Service door (see Service door on page 34).
b. Hard drive (Hard drive on page 35)
c. Keyboard (see Keyboard on page 42)
d. Top cover (see Top cover on page 47)
Remove the USB/audio/card reader board:
NOTE: Before you remove the card reader, make sure nothing (memory card or plastic insert) in installed.
1. Position the top cover upside-down.
2. Disconnect the large ribbon cable from the board (1).
3. Disconnect the small touchpad ribbon cable from the board (2).
4. Remove the Phillips PM2.5×5.0 screw (3) that secures the board to the computer.
Component replacement procedures 55