HP ProBook 440 G3 Notebook PC - Maintenance and Service Guide

Function board
Description Spare part number
Function board 826381-001
Function board cable (included in Cable Kit) 826399-001
Before removing the function 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 function board:
1. Position the top cover upside-down.
2. Disconnect the cable from the connector on the function board (1).
3. Remove the Phillips PM2.0×3.0 screw (2) that secures the function board to the top cover.
4. Remove the board from the top cover (3).
5. Remove the function board from the top cover.
54 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts