iMac G5, 17-inch Take Apart -
Midplane Assembly
5. Locate the power supply at the bottom of the picture below.
6. Loosen the middle power supply screw (a captive screw) by turning it to the left until it
is flush with the top of the power supply. This screw attaches the power supply to the
display bezel; make sure to loosen the screw all the way. Note: The power supply will
be removed later.