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## Install a Power Supply

1. Align the replacement power supply with the empty power supply chassis bay.

   Verify that the extraction lever on the power supply is on the right side of the power supply and that the power supply is oriented as shown in the following figure.

2. Slide the power supply into the chassis.
3. Press the lever against the power supply to fully seat the power supply in the server.
4. If you disconnected the power cord for the power supply (if you had to cold-service the power supply), go to the rear of the server and plug the power cord into the AC connector that is associated with the power supply that you just inserted.

   As soon as power is applied to the server, standby power initializes the service processor. Depending on the server's OpenBoot PROM settings, the host server might automatically boot, or you might need to boot it manually.

   The following figures show the locations of the power supplies at the front of the server and the corresponding AC power connectors at the rear of the server.

   Figure 24 Locating the Power Supplies at the Front of the Server

   Figure Legend

   1 Power supply unit 0

   2 Power supply unit 1

   3 Power supply unit 2

   4 Power supply unit 3

   Figure 25 Locating the AC Connectors at the Rear of the Server

   Figure Legend

   1 AC connector for power supply unit 3

   2 AC connector for power supply unit 2

   3 AC connector for power supply unit 1

   4 AC connector for power supply unit 0

5. Verify the power supply functionality.

   See Verify Power Supply Functionality.

##### Related Information

- Power Supply Overview

- Power Supply and AC Power Connector Configuration Reference

- Power Supply and AC Power Connector LEDs

- Locate a Faulty Power Supply

- Remove a Power Supply

- Verify Power Supply Functionality

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