Installing The System Board - Dell NOT22427 Owner's Manual

6. Disconnect the sensor board-cable from the connector on the system board.
7. Disconnect the display cable from the connector on the system board.
8. Remove the display cable from the routing guides on the system board.
9. Disconnect the fan cable from the connector on the system board.
10. Open the latch and disconnect the touchpad cable from the connector on the system board.
11. Open the latch and disconnect the USH cable from the USH module.
12. Disconnect the coin-cell battery cable from the connector on the system board.
13. Remove the three screws (M2x3) that secure the system board to the palm-rest assembly.
14. Lift the system board off the palm-rest assembly.

Installing the system board

CAUTION: The information in this section is intended for authorized service technicians only.
Prerequisites
If you are replacing a component, remove the existing component before performing the installation process.
About this task
The following images indicate the system board connectors.
1. WWAN-card connector
3. Sensor board-cable connector
5. Display-cable connector
7. Solid-state drive Slot 1
9. Battery-cable connector
11. USH-cable connector
13. Speaker-cable connector
The following images indicate the location of the system board and provide a visual representation of the installation procedure.
2. WLAN-card connector
4. Memory modules
6. System-fan connector
8. Touchpad-cable connector
10. Solid-state drive Slot 2
12. Coin-cell battery cable connector
Removing and installing Field Replaceable Units (FRUs) 87