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Latitude 5340/Latitude 5340 2-in-1 Owner's Manual

Installing the keyboard assembly

Prerequisites

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

If you are replacing a component, remove the existing component before performing the installation procedure.

About this task

NOTE: The system board can be installed with the heat sink attached to simplify the procedure and preserve the thermal bond between the system board and heat sink.

The following image indicates the location of the keyboard assembly and provides a visual representation of the installation procedure.

Image: Installing the keyboard assembly1

Steps

  1. Replace the two screws (M2x2) to secure the keyboard to the keyboard bracket.
  2. Flip the keyboard assembly and align it to its slot on the palm-rest assembly.
  3. Press down on the lattice at the snap points to secure the keyboard assembly to the palm-rest assembly.
    Image: Installing the keyboard assembly2
  4. Replace the eighteen screws (M2x2) to secure the keyboard assembly to the palm-rest assembly.
  5. Adhere the mylar back on the screws.
  6. Connect the keyboard cable and keyboard-backlight cable to the system board.

Next steps

  1. Install the display assembly.
  2. Install the speakers.
  3. Install the smart card reader (optional).
  4. Install the power button or power button with optional fingerprint reader.
  5. Install the system board.
  6. Install the fan.
  7. Install the WLAN card.
  8. Install the WWAN 4G card or WWAN 5G card.
  9. Install the M.2 2230 solid-state drive.
  10. Install the battery.
  11. Install the base cover.
  12. Install the SIM card tray (for computers with nano-SIM card option).
  13. Follow the procedure in After working inside your computer.

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