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Latitude 5521 Service Manual

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Removing the LED board

Prerequisites

  1. Follow the procedure in Before working inside your computer.
  2. Remove the SIM card.
  3. Remove the microSD card.
  4. Remove the base cover.
  5. Remove the WLAN card.
  6. Remove the WWAN card.
  7. Remove the battery.
  8. Remove the hard drive.
  9. Remove the assembly inner frame.

About this task

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

Removing the LED board

Steps

  1. Disconnect the LED-board cable and touchpad cable from the connector on the system board.
  2. Peel the LED-board cable off the coin-cell battery.
  3. Remove the single screw (M2x3) that secures the LED board to the palm-rest assembly.
  4. Lift the LED board and cable away from the palm-rest assembly.

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