Latitude 5540 Owner's Manual

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Installing the WLAN card

Prerequisites

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

About this task

The following image(s) indicate the location of the WLAN card and provides a visual representation of the installation procedure.

Figure 1. Image: WLAN card
Image: Installing the wireless card

Steps

  1. Connect the antenna cables to the WLAN card.

    The following table provides the antenna-cable color scheme for the WLAN card that is supported by your computer.

    Table 1. Antenna-cable color schemeAntenna-cable color
    Connectors on the wireless card Antenna-cable color Silkscreen marking
    Main White MAIN △ (white triangle)
    Auxiliary Black AUX ▲ (black triangle)
  2. Align the notch on the WLAN card with the tab on the WLAN-card slot.
  3. Adhere the WLAN card at an angle into the WLAN-card slot.
  4. Align the screw hole on the WLAN-card bracket with the screw hole on the WLAN card and palm-rest and keyboard assembly.
  5. Place the screw (M2x3) that secures the WLAN-card bracket to the WLAN card and the palm-rest and keyboard assembly.

Next steps

  1. Install the base cover.
  2. Follow the procedure in After working inside your computer.

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