Latitude 5540 Owner's Manual

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Installing the assembly-inner frame

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 assembly-inner frame and provide a visual representation of the installation procedure.
Figure 1. Image: Assembly-inner frame
Image: Installing the assembly inner frame
Figure 2. Image: Assembly-inner frame
Image: Installing the assembly inner frame
Figure 3. Image: Assembly-inner frame
Figure 4. Image: Assembly-inner frame

Steps

  1. Align the screw holes on the assembly-inner frame with the screw holes on the system board and the palm-rest assembly.
  2. Replace the twelve screws (M2x3) that secure the assembly-inner frame to the palm-rest assembly.
  3. Connect the speaker cable to the system board.
  4. Route the speaker cables through the routing guides on the palm-rest assembly.
  5. Route the fan cable through the routing guides on the palm-rest assembly.
  6. Route the antenna cables through the routing guides on the palm-rest assembly.

Next steps

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

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