Compaq Deskpro 4000N - Desktop PC, Maintenance & Service Manual

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5-16 Removal and Replacement Procedures
6. Loosen the two screws that secure the power supply hinge bracket
1
to the side of the chassis
and slide the bracket to the rear to disengage it from the power supply.
✎
It is not necessary to remove the hinge bracket for this operation.
7. Rotate the power supply up
2
, slide it to the rear
3
, and remove it from the chassis
4
.
Figure 5-12. Removing the Easy Access Power Supply
To replace the power supply, complete the following steps:
1. Set the power supply down on the system board so that the built-in connector is resting on the
socket on the system board.
2. Push the hinge bracket into the hinge hole on the power supply. Hold the bracket in place with
one finger while tightening the rear retaining screw.
Ensure that there is no slack between the power supply, the chassis, and the hinge bracket.
3. Tighten the forward retaining screw to secure the hinge bracket.
4. Press the power supply down so that the built-in connector makes a good electrical connection
with the system board.
5. Continue with the balance of the installation sequence which is the reverse of the installation
process described above.
✎
When installing the expansion board cage, ensure that the tab on the cage latches into the slot
on the side of the power supply.