Remove and Replace the Power Supply for OMEN by HP Obelisk 875-0xx, 870-xxx Desktop PCs

This document is for OMEN by HP Obelisk 875-0xx Desktop PC and OMEN by HP 870-xxx Desktop PC.

Comment remplacer le module d'alimentation des ordinateurs de bureau OMEN by HP Obelisk 875-1000, Obelisk 875-0xx, 870-xxx

Découvrez comment remplacer ou retirer le module d'alimentation des ordinateurs de bureau OMEN by HP Obelisk 875-1000, Obelisk 875-0xx, 870-xxx.

Remarque :
The video and graphics in this article depict a specific configuration of the notebook. The same removal and replacement procedures apply to all configurations of the notebook.

Before you begin

Turn off the computer. Disconnect the Ethernet or modem cable. Disconnect the power cord.
Transfer the computer to a clear, flat, stable work surface over a non-carpeted floor.
HP strongly recommends the use of an anti-static wrist strap and a conductive foam pad when working on the computer.
Do not remove a component from its protective packaging until you are ready to install it.

Avertissement :
Before starting, power off the computer and wait for components to cool before starting these procedures.

Attention :
This product contains components that can be damaged by electrostatic discharge (ESD). To reduce the chance of ESD damage, work over a non-carpeted floor, use a static dissipative work surface (such as a conductive foam pad), and wear an ESD wrist strap connected to a grounded surface.

Attention :
Procedures in this document are provided by HP for qualified service agents and as a courtesy to its customers. Servicing internal components increases the risk of damaging the computer which might not be covered under warranty. Understand the risk and refer to the product's warranty before attempting to service the computer.

Removing the power supply

Remove the power supply.

Step 1 First, remove the access panel. For instructions on removing the access panel, go to How to Replace the Access Panel for OMEN by HP Obelisk 875-0xx, 870-xxx Desktop PCs.
Step 2 Remove the side panel. For instructions on removing the access panel, go to How to Replace the Side Panel for OMEN by HP Obelisk 875-0xx, 870-xxx Desktop PCs.
Step 3 Lie the unit down on its side and disconnect the 4-pin power connector...
...and the SATA hard drive power connector.
Step 4 Detach the SATA hard drive power cables from the cable clips.
Step 5 Disconnect the 24-pin power connector from the motherboard.
Step 6 Disconnect the SATA power connector from the lighting control module.
Step 7 Remove the four P2 Philips-head screws that secure the power supply to the rear chassis.
Step 8 Stand the unit upright and position it so that you can easily access either side.
Step 9 Thread the 4-pin power connector through the side chassis at the top.
Step 10 Detach it from the cable guide...
... and then feed it through the access hole in the side chassis near the bottom of the unit.
Step 11 Thread the SATA power connector for the primary hard drive through its access hole in the side chassis at the base of the hard drive cage...
... and feed it through the access hole at the bottom of the side chassis. The SATA power connector for the secondary hard drive is removed the same way.
Step 12 Turn the unit so that the power supply is facing you...
... and push aside any power cables that may obstruct access to the power supply release latch.
Step 13 Push the power supply release latch on the side chassis and gently pull the power supply out of the chassis.
Step 14 Remove the power supply. Attention : Before removing the power supply, make sure there are no other cables tangled with the power supply cables.

Replacing the power supply

Replace the power supply.

Step 1 Slide the power supply into its position on the bottom chassis.
Step 2 Turn the unit so that you can easily access either side of the unit.
Step 3 Thread the SATA power connector for the secondary hard drive out through the access hole of the side chassis...
... and then in through its access hole at the base of the drive cage.
Step 4 Thread the SATA power connector for the primary hard drive out through the access hole of the side chassis...
... and then in through its access hole at the base of the drive cage.
Step 5 Thread the 4-pin power connector through the access hole at the bottom of the side chassis.
Step 6 Lift the 4-pin power connector up to the cable guide and secure it and then...
...guide it to the access hole near the top of the side chassis and pushing it through.
Step 7 Replace the four P2 Philips-head screws that secure the power supply to the rear chassis.
Step 8 Reconnect the 4-pin power connector...and the hard drive SATA power connector...
...and the hard drive SATA power connector.
Step 9 Reconnect the 24-pin power connector to the motherboard.
Step 10 Reconnect the SATA power connector to the lighting control module.
Step 11 Replace the side panel. For instructions on replacing the access panel, go to How to Replace the Side Panel for OMEN by HP Obelisk 875-0xx, 870-xxx Desktop PCs.
Step 12 Replace the access panel. For instructions on replacing the access panel, go to How to Replace the Access Panel for OMEN by HP Obelisk 875-0xx, 870-xxx Desktop PCs.

Remove and Replace the Power Supply for OMEN by HP Obelisk 875-0xx, 870-xxx Desktop PCs

Before you begin

Removing the power supply

Replacing the power supply

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