System Board - HP EliteBook 850 G5 Notebook PC 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 for use in models with discrete graphics memory (includes integrated processor)
Intel i7-8650U processor
Intel i7-8550U processor
Intel i5-8350U processor
Intel i5-8250U processor
Intel i5-7200U processor
System board for use in models with UMA graphics memory
Intel i7-8650U processor
Intel i7-8550U processor
Intel i5-8350U processor
Intel i5-8250U processor
Intel i5-7300U processor
Intel i5-7200U 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 RJ-45 board and bracket (see
8. Remove the fan (see
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:
● Solid-state drive (see
Memory modules (see
●
68 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
Bottom cover on page
Battery on page 50).
Keyboard on page 46).
RJ-45 board with bracket on page
Fan on page 66).
Solid-state drive (SSD) on page
Memory modules on page
37).
39)
40)
Spare part number
L15521-xx1
L15519-xx1
L15517-xx1
L15515-xx1
L15513-xx1
L15522-001
L15520-001
L15518-001
L15516-001
L15523-001
L15514-001
57).