Dell Vostro 260 (Mid 2011) - Manual (Page 26)

Installing The WLAN Card
1. Place the WLAN card on its connector and push it in, to secure it to the
connector.
2. Lock the card-retention latch into it's place.
3. Replace the antennae.
4. Replace the
cover .
5. Follow the procedures in After Working Inside Your Computer .
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