Dell Latitude E6520 (Early 2011) - Manual (Page 44)

Installing The Wireless Local Area Network (WLAN) Card
1. Insert the WLAN card into its connector at a 45–degree angle into its slot.
2. Connect the antenna cables to their respective connectors marked on the
WLAN card.
3. Replace and tighten the screw to secure the WLAN card to the computer.
4. Install the
base cover .
5. Install the battery .
6. Follow the procedures in After Working Inside Your Computer .
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