Power Supply - HP Dx5150 - Compaq Business Desktop Reference Manual

Removal and Replacement Procedures— Small Form Factor (SFF) Chassis

7.17 Power Supply

Å WARNING: Voltage is always present on the system board when the computer is plugged into an
active AC outlet. To avoid possible personal injury and damage to the equipment, disconnect the power
cord from the computer and/or the AC outlet before opening the computer.
1. Prepare the computer for disassembly
2. Remove the computer access panel
3. Remove the front bezel
4. Rotate the drive cage to its upright position.
5. Disconnect all power cables from the mass storage devices and from the system board.
6. Remove the TPM from the system board to prevent damaging it.
7. Remove the three screws that secure the power supply to the chassis 1.
8. Slide the power supply forward about 3/8-inch, lift it to clear the guides on the floor of the
chassis 2 then, pivot the top of the power supply 3 to clear the top chassis lip.
When installing the power supply, reverse the removal procedure, making sure that the clips on
the bottom of the rear panel fit in the slots provided.
7–32
(Section 7.1, "Preparation for
(Section 7.3, "Computer Access
(Section 7.4, "Front Bezel,").
361685-001
Disassembly").
Panel").
Service Reference Guide, dx5150