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.
Figure 1. System-board connectors![Image: System board connectors](https://dl.dell.com/topics//inspiron-5400-2n1-service-manual/images/GUID-306DD670-0D70-46F9-B20E-CC7E8C645FB5-low.jpg)
- Power-adapter port cable
- Display cable
- Fan cable
- I/O-board cable
- Speaker cable
- Touchpad cable
- Keyboard cable
- USB Type-C port bracket
The following image indicates the location of the system board and provides a visual representation of the installation procedure.
![Image: Installing the system board](https://dl.dell.com/topics//inspiron-5400-2n1-service-manual/images/GUID-10AA2142-46B7-4895-B0BD-A71F34A1574A-low.jpg)
![Image: Installing the system board](https://dl.dell.com/topics//inspiron-5400-2n1-service-manual/images/GUID-86476C75-5D90-49DB-8D79-592BD8EAF7F2-low.jpg)
Steps
- Align and place the system board on the palm-rest and keyboard assembly.
- Replace the two screws (M2x2) that secure the system board to the palm-rest and keyboard assembly.
- Connect the display cable to the connector on the system board and close the latch to secure the cable.
- Adhere the tape that secures the display cable to the system board.
- Connect the power-adapter port cable to the connector on the system board.
- Align the screw holes on the USB Type-C port bracket with the screw holes on the system board.
- Adhere the tape that secures the USB Type-C port bracket to the system board.
- Replace the two screws (M2x3) that secure the USB Type-C port bracket to the system board.
- Connect the keyboard cable to the connector on the system board and close the latch to secure the cable.
- Connect the touchpad cable to the connector on the system board and close the latch to secure the cable.
- Connect the speaker cable to the system board.
- Connect the I/O-board cable to the connector on the system board and close the latch to secure the cable.
- Adhere the tape that secures the I/O-board cable to the system board.
- Connect the fan cable to the system board.
- Close the right display hinge.
- Replace the three screws (M2.5x5) that secure the right display hinge to the system board.
Data is not available for the Topic