HP Chromebook 11 G9 Education Edition Maintenance and Service Guide - Page 47

System board, Remove the connector board I/O bracket

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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). Remove the connector board: 1. Release the ZIF connectors (1) to which the connector board cables are connected, and then disconnect the connector board cables from the system board. 2. Remove the two Phillips M2.0 × 4.2 screws (2) that secure the connector board to the computer. 3. Remove the connector board I/O bracket (3). The connector board I/O bracket is available using spare part number L89793-001. 4. Remove the connector board (4). Reverse this procedure to install the connector board. System board To remove the system board, use these procedures and illustrations. Table 5-7 System board descriptions and part numbers Description Spare part number System board (includes a graphics subsystem with UMA memory, replacement thermal material, and the Chrome operating system): Equipped with an Intel Celeron N5100 processor, 8 GB of system memory, and 64 GB of eMMC system storage M47374-001 Equipped with an Intel Celeron N5100 processor, 8 GB of system memory, and 32 GB of eMMC system storage M47373-001 Equipped with an Intel Celeron N5100 processor, 4 GB of system memory, and 32 GB of eMMC system storage M47372-001 Equipped with an Intel Celeron N4500 processor, 8 GB of system memory, and 64 GB of eMMC system storage M56147-001 ENWW Component replacement procedures 39

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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
).
Remove the connector board:
1.
Release the ZIF connectors
(1)
to which the connector board cables are connected, and then disconnect the
connector board cables from the system board.
2.
Remove the two Phillips M2.0 × 4.2 screws
(2)
that secure the connector board to the computer.
3.
Remove the connector board I/O bracket
(3)
.
The connector board I/O bracket is available using spare part number L89793-001.
4.
Remove the connector board
(4)
.
Reverse this procedure to install the connector board.
System board
To remove the system board, use these procedures and illustrations.
Table 5-7
System board descriptions and part numbers
Description
Spare part
number
System board
(includes a graphics subsystem with UMA memory, replacement thermal material, and the Chrome operating system):
Equipped with an Intel Celeron N5100 processor, 8 GB of system memory, and 64 GB of eMMC system storage
M47374-001
Equipped with an Intel Celeron N5100 processor, 8 GB of system memory, and 32 GB of eMMC system storage
M47373-001
Equipped with an Intel Celeron N5100 processor, 4 GB of system memory, and 32 GB of eMMC system storage
M47372-001
Equipped with an Intel Celeron N4500 processor, 8 GB of system memory, and 64 GB of eMMC system storage
M56147-001
ENWW
Component replacement procedures
39