HP VECTRA VL800 - Manual (Page 44)

2 Installing and Replacing Hardware Parts in Your PC
Replacing the Power Supply Unit
44
Replacing the Power Supply Unit
WARNING Hewlett-Packard does not support power supply upgrades. This
information is provided to help you replace a defective power supply unit.
For your safety, only replace a power supply unit with a unit provided by
HP support services.
Removing the
Power Supply Unit 1 Switch off the display and PC. Disconnect all power cables and any LAN
or telecommunications cables.
2 Remove the PC’s cover (refer to page 24 for instructions).
3 Remove all internal power supply connectors.
4 Remove the two screws located on the rear of the chassis that secure the
power supply unit in position.
5 Lift the front of the power supply unit up and move it forwards to
disengage the hinge on the rear.
Installing the Power
Supply Unit 1 Insert the new power supply unit.
2 Secure it in position using the screws you previously removed.
3 Reconnect all internal power supply connectors (there are two
connectors on the system board).
4 Replace the PC’s cover (refer to page 25). Reconnect all the power and
telecommunications cables.