To install an Air Port Extreme Card in your iMac G

1 Turn your computer off by choosing Apple (K) > Shut Down. Disconnect all cables and the power cord from your computer.

2 Place a soft, clean towel or cloth on the desk or surface. Hold the sides of the computer and slowly lay it down so the screen is flat against the surface and the bottom is facing towards you.

3 Raise the stand and use a Phillips #1 screwdriver to loosen the three captive screws at the bottom of the computer by turning them counter-clockwise.

Phillips screwdriver

Imac Airport Extreme

Phillips screwdriver i

4 Holding the metal stand, tilt the back cover up and lift it away from the computer. The back cover with the stand attached should come off easily. If it doesn't, make sure the screws are turned completely counter-clockwise.

5 To protect the computer from electrostatic discharge, ground yourself by touching a metal surface inside the computer.

Warning: Always discharge static electricity before you touch any parts or install any components inside the computer. To avoid generating static electricity, do not walk around the room until you have finished the installation and closed the computer.

6 Connect the antenna to the AirPort Extreme Card.

6 Connect the antenna to the AirPort Extreme Card.

Apple Computer Wifi Antennas

7 Position the AirPort Extreme Card with the serial number facing up. Align the edges of the card with the guides on the AirPort Extreme Card slot and insert the card into the slot until it snaps into place.

Stand For Airport Extreme

Important: Be sure to push the AirPort Extreme Card firmly all the way into the slot.

8 Holding the back cover by the stand, tilt it slightly and align the tabs on the top edge of the back cover with the slots on the top edge of the computer. Rotate the back cover down and gently press until it fits snugly on the computer.

9 Turn the three captive screws clockwise to tighten them. Be careful not to over-tighten the screws, as you may strip the screw heads.

10 Holding each side of the computer, gently turn the computer right side up. Then reconnect the cables and power cord you disconnected from your computer.

11 Press the power button on the back of your computer to turn it on.

Warning: Operating the computer when it is open or missing parts can be dangerous and could damage your computer.

If there is an AirPort network in range, you can select it using the AirPort status icon in the menu bar. If you want to set up an AirPort Base Station, use the AirPort Setup Assistant, in Applications/Utilities.

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