System Board - HP ProBook 455 G5 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 10 operating system
Description
System board including AMD A10-9620P processor
System board including AMD A9-9420 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. Place the computer in "Battery Safe mode"
3. Disconnect all external devices connected to the computer.
4. 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.
5. Remove the following components:
a. Service doors
b. Hard drive
c. Keyboard
d. Top cover
e. Card reader board
f. Battery
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:
● Memory modules
WLAN/Bluetooth module
●
● M.2 solid-state drive
Remove the system board:
1. Position the computer upright on a flat surface and open the display as far as possible.
2. Disconnect the power cable from the system board (1).
3. Remove the 4 Torx T8 2.5×4.0 screws (2) that secure the system board to the computer.
62 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
(Service doors on page
(Hard drive on page 38)
(Keyboard on page 41)
(Top cover on page 45)
(Card reader board on page
(Battery on page 60)
(Memory modules on page
(WLAN/Bluetooth combo card on page
(M.2 solid-state drive on page
(Battery Safe mode on page
32).
59)
34)
36)
40)
Spare part number
L15821-xxx
L15822-xxx
31).