Maintenance & Service Guide HP Elite 7300 and 7500 Microtower, HP Pro 3300 and 3305 Microtower and HP Pro 3300 Small Form Factor
5. Remove the four screws that secure the power supply to the rear chassis.
6. Inside of the unit, press the power supply release latch on the chassis base (1).
7. Slide the power supply toward the front of the computer (2), then lift the power supply out of the
computer (3).
To install the power supply, reverse the removal procedure.
Power Supply 99