System Board - HP ELITEBOOK 840 G4 Maintenance And Service Manual

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 operating system
Description
System board with Intel i7-7600U processor
System board with Intel i7-7500U processor
System board with Intel i5-7300U processor
System board with Intel i5-7200U processor
System board with Intel i3-7100U processor
Before removing the system board, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off 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 first unplugging the power cord from the AC outlet, and
then unplugging the AC adapter from the computer.
4. Remove the bottom cover (see
5. Remove the battery (see
6. Remove the keyboard (see
7. Remove the internal base plate (see
When replacing the system board, be sure to remove the following components (as needed) from the
defective system board and install on the replacement system board:
Solid-state drive (see
●
● Memory modules (see
● WLAN/Bluetooth module (see
WWAN module (see
●
● Heat sink/fan assembly (see
Remove the system board:
1. Position the computer upright and open as far as possible.
62 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
Bottom cover on page
Battery on page 36).
Keyboard on page
Internal base plate on page 50
Solid-state drive (SSD) on page
Memory modules on page
WLAN/Bluetooth combo card on page
WWAN module on page 44)
Heat sink/fan assembly on page
32).
47).
39)
40)
42)
53)
Spare part number
917507-xx1
917504-xx1
917501-xx1
917503-xx1
917499-xx1