Dell Vostro 3550 (Early 2011) - Manual (Page 38)

8. Remove the WLAN card from the computer.
Installing The Wireless Local Area Network
(WLAN) Card
1. Slide the WLAN card into its slot.
2. Tighten the screws to secure the WLAN card in place.
3. Connect the antennaeaccording to the color code on the WLAN card.
4. Install the
palm rest .
5. Install the keyboard .
6. Install the access panel .
7. Install the battery .
8. Follow the procedures in After Working Inside Your Computer .
38