System Board - HP elitebook 820 G2 Maintenance And Service Manual

System board

NOTE: The system board spare part kit includes the battery connector bracket and replacement thermal
material.
All system boards use the following part numbers:
xxxxxx-001: Windows 7 or non-Windows operating systems
xxxxxx-501: Windows 8.1 Standard operating system
xxxxxx-601: Windows 8.1 or Windows 10 operating system
Description
System board for use only on computer models equipped with:
Intel Core i7-5600U processor
Intel Core i7-5500U processor
Intel Core i5-5300U processor
Intel Core i5-5200U processor
Intel Core i3-5010U processor
Before removing the system board, follow these steps:
1. Turn off 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 the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the service cover (see
a. Battery (see
b. Hard drive (see
c. Keyboard (see
d. RTC battery (see
e. Top cover (see
f. Heat sink (see
g. Fan (see
NOTE: When replacing the system board, be sure that the following components are removed from the
defective system board and installed on the replacement system board:
● WWAN module (see
Solid-state drive (see
●
● WLAN module (see
● Memory modules (see
Remove the system board:
76 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
Service cover on page
Battery on page 39)
Hard drive/solid-state drive on page
Keyboard on page 50)
RTC battery on page
Top cover on page 57)
Heat sink on page 72)
Fan on page 74)
WWAN module on page
M.2 solid-state drive on page
WLAN module on page
Memory module on page
37), and then remove the following components:
41)
56)
44)
46)
47)
49)
Spare part number
781858-xxx
781857-xxx
781856-xxx
781855-xxx
781854-xxx