Dell E7240 owner manual Installing the Wlan Card, Removing the Wwan Card

3.Disconnect the antenna cables from the WLAN card and remove the screw that secures the WLAN card to the computer. Remove the WLAN card from the computer.

Installing the WLAN Card

1.Insert the WLAN card into its connector at a 45–degree angle into its slot.

2.Tighten the screw to secure the WLAN card to the computer.

3.Connect the antenna cables to their respective connectors marked on the WLAN card.

4.Install:

a.base cover

b.battery

5.Follow the procedures in After Working Inside Your Computer.

Removing the WWAN Card

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

2.Remove:

a.battery

b.SD card

c.base cover

3.Disconnect the antenna cables from the WWAN card.

4.Remove the screw that secures the WWAN card to the computer.

5.Disconnect the antenna cables from the WWAN card. Remove the screw that secures the WWAN card to the computer and remove it.