Removing the system board
About this task
System board connectors
NOTE: The location of the memory module may vary depending on your system.
![Image: Removing the screws that secure the base cover to the palm-rest and keyboard assembly](https://dl.dell.com/content/guides/public/Html/latitude-3430-service-manual/images/GUID-DACAA1B7-4F40-46CB-ACCC-59C7DB689FD3-low.jpg)
- System fan cable connector
- Display cable connector
- Power adapter port connector
- Memory module connector
- Keyboard backlit LED cable connector
- Keyboard cable connector
- Touchpad cable connector
- Battery cable connector
- WLAN card connector
- Hard-disk drive cable connector
- USB cable connector
- Speaker cable connector
- I/O cable connector
- M.2 SSD connector
The following images indicate the location of the system board and provide a visual representation of the removal procedure.
![Image: Removing the screws that secure the base cover to the palm-rest and keyboard assembly](https://dl.dell.com/content/guides/public/Html/latitude-3430-service-manual/images/GUID-801D359A-165F-4E28-805F-79B19782D9FA-low.jpg)
![Image: Removing the screws that secure the base cover to the palm-rest and keyboard assembly](https://dl.dell.com/content/guides/public/Html/latitude-3430-service-manual/images/GUID-59549AD3-CDD2-4269-9BAD-975A441F2F6D-low.jpg)
Steps
- Remove the (M2.5x6) and the (M2.5x4) screws that secure the hinge to the palmrest assembly.
- Lift the hinge in upward direction away from the palmrest assembly.
- For 4G LTE enabled systems, peel the WWAN I/O board cable from the palmrest assembly.
- Disconnect the speaker cable, power adapter port cable, hard-disk drive cable, and system fan cable from the connector on the system board.
- Open the latch and disconnect the touchpad cable, keyboard cable, and USB cable from the connector on the system board.
- Peel the adhesive, open the latch, and disconnect the display cable and I/O cable from the connector on the system board.
- Remove the two (M2x5) screws that secure the type-c bracket in place.
- Lift and remove the type-c bracket from the system board.
- Remove the two (M2x2) screws that secure the system board in place.
- Lift and remove the system board from the palmrest assembly.
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