HP Chromebook 11 G9 Education Edition Maintenance and Service Guide - Page 48

to which the connector board low-power cable is connected, and then

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Table 5-7 System board descriptions and part numbers (continued) Description Equipped with an Intel Celeron N4500 processor, 8 GB of system memory, and 32 GB of eMMC system storage Equipped with an Intel Celeron N4500 processor, 4 GB of system memory, and 64 GB of eMMC system storage Equipped with an Intel Celeron N4500 processor, 4 GB of system memory, and 32 GB of eMMC system storage Spare part number M56146-001 M47371-001 M47370-001 Before removing the system board, follow these steps: 1. Prepare the computer for disassembly (see Preparation for disassembly on page 29). 2. Remove the top cover/keyboard (see Top cover/keyboard on page 29). 3. Disconnect the battery cable from the system board (see Battery on page 34). 4. Remove the WLAN module (see WLAN module on page 35). 5. Remove the speakers (see Speakers on page 37). Remove the system board: 1. Disconnect the webcam/microphone cable (1) from the system board. 2. Disconnect the display panel cable (2) from the system board. 3. Release the ZIF connector (3) to which the connector board low-power cable is connected, and then disconnect the connector board low-power cable from the system board. 4. Release the ZIF connector (4) to which the connector board high-power cable is connected, and then disconnect the connector board high-power cable from the system board. 5. Remove the six Phillips M2.0 × 4.2 screws (1) that secure the system board to the computer. 40 Chapter 5 Removal and replacement procedures for authorized service provider parts ENWW

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Table 5-7
System board descriptions and part numbers (continued)
Description
Spare part
number
Equipped with an Intel Celeron N4500 processor, 8 GB of system memory, and 32 GB of eMMC system storage
M56146-001
Equipped with an Intel Celeron N4500 processor, 4 GB of system memory, and 64 GB of eMMC system storage
M47371-001
Equipped with an Intel Celeron N4500 processor, 4 GB of system memory, and 32 GB of eMMC system storage
M47370-001
Before removing the system board, follow these steps:
1.
Prepare the computer for disassembly (see
Preparation for disassembly
on page
29
).
2.
Remove the top cover/keyboard (see
Top cover/keyboard
on page
29
).
3.
Disconnect the battery cable from the system board (see
Battery
on page
34
).
4.
Remove the WLAN module (see
WLAN module
on page
35
).
5.
Remove the speakers (see
Speakers
on page
37
).
Remove the system board:
1.
Disconnect the webcam/microphone cable
(1)
from the system board.
2.
Disconnect the display panel cable
(2)
from the system board.
3.
Release the ZIF connector
(3)
to which the connector board low-power cable is connected, and then
disconnect the connector board low-power cable from the system board.
4.
Release the ZIF connector
(4)
to which the connector board high-power cable is connected, and then
disconnect the connector board high-power cable from the system board.
5.
Remove the six Phillips M2.0 × 4.2 screws
(1)
that secure the system board to the computer.
40
Chapter 5
Removal and replacement procedures for authorized service provider parts
ENWW