Latitude 5420 Service Manual

Installing the WLAN card

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

The following image indicates the location of the WLAN card and provides a visual representation of the installation procedure.

Image: Installing the WLAN

Connect the antenna cables to the wireless card.

The following table provides the antenna-cable color scheme:

Table 1. Antenna-cable color schemeThe table provides the antenna-cable color scheme for the wireless card supported by your computer.
Connectors on the wireless card	Antenna-cable color
Main (white triangle)	White
Auxiliary (black triangle)	Black

Place the WLAN-card bracket on the WLAN card.
Align the notch on the wireless card with the tab on the WLAN card slot.
NOTE:When removing the WLAN card from the computer, if the adhesive pad which helps secure the WLAN card in place is removed from the computer along with the WLAN card, adhere it back to the computer.
Slide the wireless card at an angle into the WLAN card slot.
Replace the screw (M2x2.5) to secure the WLAN-card bracket to the WLAN card.