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Latitude 5550 Owner's Manual

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Installing the touchpad

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 touchpad and provide a visual representation of the installation procedure.
Figure 1. Installing the touchpad
Image: Installing the touchpad

Steps

  1. Place the touchpad into its slot on the palm-rest assembly.
  2. Align the screw holes on the touchpad to the screw holes on the palm-rest assembly.
  3. Replace the five screws (M2x2.5) that secure the touchpad to the palm-rest assembly.
  4. Lift up the flap below the touchpad cable and replace the screw (M2x2.5) that secures the touchpad to the palm-rest assembly.
  5. Connect the touchpad cable to the connector on the touchpad and close the latch to secure the cable.
  6. Connect the keyboard-backlight cable to the connector on the touchpad and close the latch to secure the cable.
  7. Connect the keyboard cable to the connector on the system board and close the latch to secure the cable.
  8. Adhere the keyboard cable to the touchpad.

Next steps

  1. Install the assembly inner frame.
  2. Install the wireless card.
  3. Install the 4G WWAN card or 5G WWAN card, as applicable.
  4. Install the battery.
  5. Install the base cover.
  6. Install the SIM card.
  7. Follow the procedure in After working inside your computer.

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