Latitude 5540 Owner's Manual

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Removing the dummy SIM-card slot filler

Prerequisites

  1. Follow the procedure in Before working inside your computer.
  2. Remove the SIM card.
  3. Remove the base cover.
  4. Remove the 4G WWAN card or 5G WWAN card, as applicable.
  5. Remove the WLAN card.
  6. Remove the memory modules.
  7. Remove the M.2 2230 or M.2 2280 solid-state drive from Slot 1, as applicable.
  8. Remove the M.2 2230 solid-state drive from Slot 2, if applicable.
  9. Remove the battery.
  10. Remove the assembly-inner frame.
  11. Remove the system board.
    NOTE:The system board can be removed with the heat sink attached in order to simplify the procedure and preserve the thermal bond between the system board and heat sink.
  12. Remove the display assembly.
  13. Remove the smart-card reader.
  14. Remove the fingerprint reader, if applicable.

About this task

NOTE:For models shipped with WLAN card only, the dummy SIM-card slot filler is a separate service part and is not included with replacement palm rest. As a result, the dummy SIM-card slot filler must be removed and then reinstalled when replacing the palm-rest assembly.

The following image indicates the dummy SIM-card slot filler and provides a visual representation of the dummy SIM-card slot filler removal procedure.

Removing the dummy SIM card slot filler

Steps

  1. Using a scribe, push the dummy SIM-card slot filler from the top side of the palm-rest assembly.
  2. Gently lift the dummy SIM-card slot filler out of the palm-rest assembly.

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