5.From the outside, rear of the chassis, remove the three Torx T15 that secure the power supply to the back of the chassis.
6.From the inside of the chassis, push the release lever at the front of the power supply (1), slide the power supply forward (2), and then remove it from the chassis (3).
To install the power supply, reverse the removal procedure.
CAUTION: When installing the power supply cables, make sure they are properly positioned so they are not cut by the drive cage and are not pinched by the rotating power supply.
Power supply 115