HP Chromebox G2 Maintenance and Service Guide - Page 37

System board, defective system board and install them on the replacement system board

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System board NOTE: All system board spare part kits include a processor and replacement thermal material. Description System board with integrated Intel Core i7-8650U processor System board with integrated Intel Core i5-7300 processor System board with integrated Intel Celeron 3865U processor HDMI gasket Spare part number L17277-001 L17276-001 L17275-001 L17846-001 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 Bottom cover on page 17). 5. Remove the rear I/O bracket (see Rear I/O bracket on page 20). 6. Remove the bottom shield (see Bottom shield on page 21). When replacing the system board, be sure to remove the following components (as applicable) from the defective system board and install them on the replacement system board: ● WLAN module (see WLAN module on page 25) ● Memory modules (see Memory module on page 27) ● Fan (see Fan on page 33) ● Heat sink (see Heat sink on page 34) Remove the system board: 1. Disconnect the power button board cable from the system board (1). 2. Remove the three larger Phillips M2.5×4.0 screws (2) and the smaller Phillips M2.0×2.0 screw (3) that secures the system board to the computer. Component replacement procedures 31

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System board
NOTE:
All system board spare part kits include a processor and replacement thermal material.
Description
Spare part number
System board with integrated Intel Core i7-8650U processor
L17277-001
System board with integrated Intel Core i5-7300 processor
L17276-001
System board with integrated Intel Celeron 3865U processor
L17275-001
HDMI gasket
L17846-001
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
Bottom cover
on page
17
).
5.
Remove the rear I/O bracket (see
Rear I/O bracket
on page
20
).
6.
Remove the bottom shield (see
Bottom shield
on page
21
).
When replacing the system board, be sure to remove the following components (as applicable) from the
defective system board and install them on the replacement system board:
●
WLAN module (see
WLAN module
on page
25
)
●
Memory modules (see
Memory module
on page
27
)
●
Fan (see
Fan
on page
33
)
●
Heat sink (see
Heat sink
on page
34
)
Remove the system board:
1.
Disconnect the power button board cable from the system board
(1)
.
2.
Remove the three larger Phillips M2.5×4.0 screws
(2)
and the smaller Phillips M2.0×2.0 screw
(3)
that
secures the system board to the computer.
Component replacement procedures
31