HP Chromebook 11a, Maintenance And Service Manual

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System board
To remove the system board, use these procedures and illustrations.
Table 5-6 System board description and part number
Description Spare part
number
System board equipped with an Intel Celeron N3350 1.1 GHz (SC Turbo up to 2.4 GHz) processor (2400 MHz FSB, dual
core, 2 MB L2 cache, 6W), 4 GB of system memory, and 32 GB of eMMC system storage (includes a graphics subsystem
with UMA memory, replacement thermal material, and the Google Chrome operating system) L15851-001
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 32 ).
4. Remove the speakers (see Speakers on page 34 ).
NOTE: When replacing the system board, be sure to remove the heat sink (see Heat sink on page 39 ) from the
defective system board and install it on the replacement system board.
Remove the system board:
1. Release the two ZIF connectors (1) to which the USB port board cables are connected, and then disconnect
the USB port board cables from the system board.
2. Disconnect the display webcam/microphone cable (2) from the system board.
3. Release the adhesive strip (3) that secures the display panel cable to the system board.
4. Disconnect the display panel cable (4) from the system board.
ENWW Component replacement procedures 37