System board
NOTE: The system board spare part kit includes the processor, heat sink, and replacement thermal material.
Table 5-7 System board spare part information
Description Spare part number
Equipped with an Intel Celeron N4120 processor, 8 GB of system memory, 64 GB of eMMC system storage, and
the Google Chrome operating system
L89782-001
Equipped with an Intel Celeron N4120 processor, 8 GB of system memory, 32 GB of eMMC system storage, and
the Google Chrome operating system
L89781-001
Equipped with an Intel Celeron N4120 processor, 4 GB of system memory, 32 GB of eMMC system storage, and
the Google Chrome operating system
L89780-001
Equipped with an Intel Celeron N4020 processor, 4 GB of system memory, 64 GB of eMMC system storage, and
the Google Chrome operating system
L89779-001
Equipped with an Intel Celeron N4020 processor, 4 GB of system memory, 32 GB of eMMC system storage, and
the Google Chrome operating system
L89778-001
Equipped with an Intel Celeron N4020 processor, 4 GB of system memory, 16 GB of eMMC system storage, and
the Google Chrome operating system
L89777-001
Before removing the system board, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is o 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 rst unplugging the power cord from the AC outlet, and then
unplugging the AC adapter from the computer.
4. Remove the keyboard/top cover (see Keyboard/top cover on page 23).
5. Disconnect the battery cable from the system board (see Battery on page 31).
6. Remove the WLAN module (see WLAN module on page 33).
Remove the system board:
1. Release the shielding (1) that covers the connector board cable ZIF connectors on the system board.
2. Release the ZIF connectors (2) to which the connector board cables are connected, and then disconnect
the connector board cables from the system board.
3. Release the shielding (3) that covers the power cable connector.
4. Disconnect the power cable (4) from the connector board.
5. Disconnect the webcam module cable (5) from the system board.
6. Release the shielding (6) that covers the display panel cable connector.
7. Disconnect the display panel cable (7) from the system board.
8. Disconnect the speaker cable (8) from the system board.
38 Chapter 5 Removal and replacement procedures
To Next Page
Loading...
