4.Remove the WLAN card from the computer.

Installing the WLAN Card

1.Place the WLAN card in its slot on the computer.

2.Connect the WLAN antenna cables to their connectors on the WLAN Card.

3.Press the locking tab.

4.Tighten the screw that secures the WLAN card to the computer.

5.Install:

a.Battery

b.Base Cover

6.Follow the procedures in After Working Inside Your computer.

Removing the System Fan

1.Follow the procedures in Before Working Inside Your Computer.

2.Remove:

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Dell 3550 owner manual Installing the Wlan Card, Removing the System Fan