Latitude 5540 Owner's Manual

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Installing the fingerprint reader (Optional)

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

Prerequisites

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

About this task

The following images indicate the location of the fingerprint reader and provide a visual representation of the installation procedure.
Figure 1. Image: Fingerprint reader
Image: Installing the display cable

Steps

  1. Align and place the fingerprint reader on its slot on the palm-rest assembly.
  2. Slide the fingerprint-reader bracket on its slot on the palm-rest assembly.
  3. Replace the screw (M2x3) that secures the fingerprint reader to the palm-rest assembly.
  4. Connect the fingerprint-reader cable to the connector on the USH board and close the latch.

Next steps

  1. Install the assembly-inner frame.
  2. Install the battery.
  3. Install the base cover.
  4. Install the SIM card.
  5. Follow the procedure in After working inside your computer.

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