Dell Latitude 3550 - Installing the wireless card

Figure 14. Removing the wireless card
Steps
1. Remove the screw (M2x3) that secures wireless-card bracket to the system board.
2. Slide and remove the wireless-card bracket from the system.
3. Disconnect the WLAN-antenna cables from the respective connectors on the wireless card.
4. Lift and remove the wireless card from the wireless card slot on the system board.
Installing the wireless card
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
Removing and installing Customer Replaceable Units (CRUs)
43