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 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-14-5401-service-manual/images/GUID-2C24C622-B90C-4AC1-A6FD-C0B0D1435E1B-low.jpg)
![Image: Connecting cables to the system board](https://dl.dell.com/topics//inspiron-14-5401-service-manual/images/GUID-FEB6F066-A3FA-417A-AD1B-74DD970F7A42-low.jpg)
Steps
- Place the system board on the palm-rest and keyboard assembly.
- Replace the two (M2x3) screws that secure the system board to the palm-rest and keyboard assembly.
- Connect the speaker cable to the system board.
- Connect the touchpad cable to the system board.
- Connect the keyboard backlight cable to the system board.
- Connect the keyboard cable to the system board.
- Place the USB Type-C port bracket on the system board.
- Replace the two (M2x3) screws that secure the USB Type-C port bracket to the system board.
- Adhere the tape that covers the USB Type-C port bracket.
- Connect the I/O-board cable to the system board and close the latch.
- Connect the fan cable to the system board.
- Adhere the mylar that covers the I/O-board cable.
- Connect the power-adapter port cable to the system board.
- Connect the display cable to the system board and close the latch.
- Adhere the transparent tape that secures the display cable to the system board.
- Push down the right display hinge, and align the screw holes on the display hinge with the screw holes on the system board.
- Replace the two (M2.5x5) screws that secure the right display hinge to the system board.
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