Apple iMac G5 - Manual (Page 50)

50 Chapter 4 Enhancing Your Computer
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.
Raise stand
Tighten 3 screws
Phillips
screwdriver