HP Vectra VL800 hp vectra vl800, upgrade and installation guide for desktop mo - Page 44

Replacing the Power Supply Unit, Removing the, Power Supply Unit, Installing the Power, Supply Unit

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2 Installing and Replacing Hardware Parts in Your PC Replacing the Power Supply Unit 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. Installing the Power Supply Unit 5 Lift the front of the power supply unit up and move it forwards to disengage the hinge on the rear. 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. 44

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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.