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Latitude 5540 Owner's Manual

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Removing the keyboard

CAUTION:The information in this section is intended for authorized service technicians only.

Prerequisites

  1. Follow the procedure in Before working inside your computer.
  2. Remove the SIM card.
  3. Remove the base cover.
  4. Remove the battery.
  5. Remove the 4G WWAN card or 5G WWAN card, as applicable.
  6. Remove the WLAN card.
  7. Remove the memory modules.
  8. Remove the M.2 2230 or M.2 2280 solid-state drive from Slot 1.
  9. Remove the M.2 2230 solid-state drive from Slot 2.
  10. Remove the heat sink.
  11. Remove the assembly inner frame.
  12. Remove the system board.

About this task

The following images indicate the location of the keyboard and provide a visual representation of the removal procedure.
Image: Removing the keyboard
Image: Removing the keyboard

Steps

  1. Open the latch and disconnect the keyboard cable from the touchpad.
  2. Open the latch and disconnect the keyboard-backlight cable from the touchpad.
  3. Remove the twenty one screws (M2x2) that secure the keyboard bracket to the palm-rest assembly.
  4. Lift the keyboard bracket off the palm-rest assembly.
  5. Turn the keyboard bracket over.
  6. Remove the ten screws (M2x2) that secure the keyboard to the keyboard bracket.
  7. Lift the keyboard off the keyboard bracket.

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