Power Mac G4 Quicksilver Power Supply Replacement

The handle to open your computer is located on top of the right side panel.

Grab the circular handle and pull outward.

Your computer is now open and ready for repair.

The optical drive is in the top left corner of the case.

There are four screws to be removed.

The first screw can be seen in the first picture.

The remaining three screws can be seen in the second picture.

Remove the optical drive by pulling the drive away from the front of the computer and out.

Detach the two cables attached to the back of the drive.

The hard drive is located in the back right corner of the case.

Remove the flat ribbon cable by pulling with substantial force.

Remove the screw holding the hard drive to the computer.

Pull the drive up and out of the computer.

Remove the multicolored cable by grasping the plastic connector on either side and pulling with substantial force.

The power supply is in the upper right corner of the case.

There is a total of four screws to be removed.

The first three can be seen in the first picture.

The final screw can be seen in the second picture.

There are three 2.5mm hex bolts located in the back of the computer that also need to be removed.

A 3/32" Hex Key or Hex Driver is a bit small but may also work if gentle.

Disconnect the power supply cables from the mother board by pressing in the tab on the back of the connector as shown.

Before sliding out the power supply make sure to disconnect the cable to the big fan by pressing in the small black tab on the back of the black connector!

Slide the power supply away from the back of the computer and pull it out carefully stringing the cables through the hole in the metal support.

Your power supply is now free from the enclosure and is ready to be replaced.