HP ProBook 430 G4 Notebook PC - Maintenance and Service Guide

Function board
Description Spare part number
Function board 905710-001
Function board cable (included in Cable Kit) 905734-001
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. Place the computer in “Battery Safe mode” (Battery Safe mode on page 30).
3. Disconnect all external devices connected to the computer.
4. 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.
5. Remove the following components:
a. Service door (see Service doors on page 31)
b. Hard drive (Hard drive on page 33)
c. Keyboard (see Keyboard on page 42)
d. Top cover (see Top cover on page 49)
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 board to the top cover.
56 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts