HP ProBook 440 G3 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: Windows 7 or non-Windows operating systems
xxxxxx-601: Windows 8.1 or Windows 10 operating system
Description Spare part number
System board with processor:
Intel Core i7-6500U processor; 2-GB discrete graphics memory 830947-xxx
Intel Core i5-6300U processor; 2-GB discrete graphics memory 830946-xxx
Intel Core i5-6200U processor; 2-GB discrete graphics memory 830945-xxx
Intel Core i3-6100U processor; 2-GB discrete graphics memory 830944-xxx
Intel Core i3-6100U processor; 1-GB discrete graphics memory 830943-xxx
Intel Core i7-6500U processor; UMA graphics memory 830940-xxx
Intel Core i5-6300U processor; UMA graphics memory 830939-xxx
Intel Core i5-6200U processor; UMA graphics memory 830937-xxx
Intel Core i3-6100U processor; UMA graphics memory 830935-xxx
Intel Pentium 4405U processor; UMA graphics memory 830942-xxx
Intel Celeron 3855U processor; UMA graphics memory 830934-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 battery (see Battery on page 33).
5. Remove the following components:
a. Service door (see Service door on page 34).
b. Hard drive (see Hard drive on page 35)
c. Keyboard (see Keyboard on page 42)
d. Top cover (see Top cover on page 47)
When replacing the system board, be sure to remove the following components from the defective system
board and install on the replacement system board:
Memory modules (see Memory modules on page 37)
WLAN/Bluetooth module (see WLAN/Bluetooth combo card on page 39)
60 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts