Power supply
Follow these steps to remove the power supply:
1. Prepare the computer for disassembly (see Preparation for disassembly on page 15).
2. Remove the access panel (see Access panel on page 17).
3. Remove the memory fan assembly (see Memory fan assembly on page 20).
4. Disconnect the power cables from the system board and any other powered components, as necessary.
5. Remove the four Torx15 screws (1) that secure the power supply to the rear of the computer.
6. Press the retention tab on the oor of the computer chassis (2), and then slide the power supply away
from the chassis rear panel until it disengages from the chassis (3).
7. Lift and shift the power supply toward the chassis center, and then remove the power supply (4).
Reverse this procedure to install the power supply.
26 Chapter 4 Removal and replacement procedures
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