Dell Precision 5520 Owner's Manual

Installing the WLAN Card

1. Align the notch on the WLAN card with the tab on the WLAN-card connector on the system board.
2. Align the bracket which secures the WLAN card to the palmrest assembly.
3. Connect the antenna cables to the WLAN card.
   CAUTION To avoid damage to the WLAN card, do not place any cables under it.

   NOTE The color of the antenna cables is visible near the tip of the cables. The antenna-cable color scheme for the WLAN card supported by your computer is as follows:

   Table 1. Antenna-Cable Color Scheme for the WLAN CardThis table describes the Antenna-cable color scheme for the WLAN card.

   Connectors on the WLAN card	Antenna-cable color
   Main (white triangle)	white
   Auxiliary (black triangle)	black
   Multiple input, multiple output (grey triangle)	Grey (optional)

4. Tighten the screw to secure the bracket and the WLAN card to the palmrest assembly.
5. Install the:
   1. battery
   2. base cover
6. Follow the procedures in After Working Inside Your Computer.