4. Disconnect the microphone-module cable from the connector on the system board.
5. Disconnect the SIO-signal cable from the connector on the system board.
6. Disconnect the speaker cable from the connector on the system board.
7. Disconnect the audio-board cable from the connector on the system board.
8. Disconnect the SIO-power cable from the connector on the system board.
9. Disconnect the display cable from the connector on the system board.
10. Open the latch and disconnect the power-button board cable from the connector on the system board.
11. Disconnect the display back-light cable from the connector on the system board.
12. Disconnect the PSU-fan cable to the system board.
13. Disconnect the PSU cable to the system board.
14. Remove the nine screws (M3x5) that secure the system board to the display-assembly base.
15. Lift and remove the system board from the display-assembly base.
Installing the system board
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the connectors on your system board.
1.
Power-supply unit (PSU) connector 2. Intrusion switch
3. Processor 4. Display back-light cable connector
5. Camera cable connector 6. M.2 2230/2280 solid-state drive/Intel Optane PCIe connector
7. System-fan cable connector 8. Memory module
9. LPC debug card connector 10. Hard-drive connector
11. SIO-signal cable connector 12. SIO-power cable connector
13. Audio-board cable connector 14. Microphone-module cable connector
15. Speaker cable connector 16. Coin-cell battery
66 Removing and installing components
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