130 - iMac G5, 17-inch Take Apart Midplane Assembly, No Optical
6. Loosen the captive power supply screw (circled below) by turning it to the left. Loosen
the screw until it is flush with the top of the power supply. The screw is captive; it will
not come out. Note: You do not need to remove the power supply yet.
7. Turn the middle case screw to the right about five revolutions. This releases a screw
clamp that holds the power supply in the display/bezel assembly.