Power Mac G5 Processor Removal You will need a long handled T15 screwdriver to remove the processor. There are two holes that go down thru the heat sync. These two holes lead to a Torx T15 screw. That you will need to use the long handeled Trox T15 screwdriver to remove. There are four other Torx T15 screws that need to be removed. There are also two phillips screws that need to be removed. And then, holding down the ground wire there are two Torx T15 screws that need to be removed as well.