HP ProBook 450 G4 Notebook PC and HP ProBook 455 G4 Notebook PC - Maintenance and Service Guide

System board
NOTE: All system board spare part kits include replacement thermal material.
All system boards use the following part numbers:
xxxxxx-001: Non-Windows operating systems
xxxxxx-601: Windows 10 operating system
Description Spare part number
System board with processor for use in HP ProBook 450 G4 models:
Intel Core i7-7500U processor; 2-GB discrete graphics memory 907715-xxx
Intel Core i5-7200U processor; 2-GB discrete graphics memory 907714-xxx
Intel Core i3-7100U processor; 2-GB discrete graphics memory 907713-xxx
Intel Core i7-7500U processor; UMA graphics memory 907712-xxx
Intel Core i5-7200U processor; UMA graphics memory 907713-xxx
Intel Core i5-7200U processor; UMA graphics memory, WWAN models 907711-xxx
Intel Core i3-7100U processor; UMA graphics memory 907702-xxx
Intel Core i3-6006U processor; UMA graphics memory 913957-xxx
System board with processor for use in HP ProBook 455 G4 models:
AMD A10-9600P 907356-xxx
AMD A9-9410 907358-xxx
AMD A6-9210 907357-xxx
Before removing the system 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 following components:
a. Service door (see Service door on page 33).
b. Hard drive (see Hard drive on page 36)
c. Optical drive (Optical drive on page 34)
d. Keyboard (see Keyboard on page 45)
e. Top cover (see Top cover on page 52)
f. Battery (see Battery on page 66)
When replacing the system board, be sure to remove the following components (as applicable) from the
defective system board and install on the replacement system board:
74 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts