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Latitude 3430 Service Manual

PDF

Removing the I/O board

Prerequisites

  1. Follow the procedure in before working inside your computer.
  2. Remove the microSD-card.
  3. Remove the SIM card tray for 4G LTE enabled systems.
  4. Enter the service mode.
  5. Remove the base cover.
  6. Remove the ethernet port.

About this task

NOTE: The following image is from systems without power-button board.

The following image indicates the location of the I/O board and provides a visual representation of the removal procedure.

Image: Removing the screws that secure the base cover to the palm-rest and keyboard assembly

Steps

  1. For systems shipped with power button, peel the adhesive, open the latch and disconnect the power button cable from the connector on the I/O board.
  2. Open the latch and disconnect the I/O cable from the connector on the system board.
  3. Disconnect the USB cable and coin-cell cable from the connectors on the system board.
  4. Remove the two (M2x3) screws that secure the I/O board on the palmrest assembly.
  5. Lift and remove the I/O board from the palmrest assembly.
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