About this task
CAUTIONTo remove all electrical current from the server, ensure that all power cords are disconnected from the power source. The power control button on the server does not turn off the electrical current supplied to the server. The server also might have more than one power cord.
CAUTIONNever remove the cover on a power supply or any part that has the following label attached.
Hazardous voltage, current, and energy levels are present inside any component that has this label attached. These components do not contain any serviceable parts. If you suspect a problem with one of these parts, replace the power supply.
Important During normal operation, each power supply bay must contain either a power supply or power supply filler for proper cooling.
Important Always use an electrostatic-discharge wrist strap or other grounding system when you work inside the server. For more information, see Protecting against ESD damage.
Procedure
- If the server has only one power supply, turn off the server and peripheral devices and disconnect all power cords. If the server has two power supplies, you can replace one power supply while the server is running.
- If the server is in a rack, at the back of the server, pull back the cable management arm to gain access to the rear of the server and the power supply.
- Press and hold the orange release tab to the left. See the following figure.
1 Power supply release tab 2 Power supply filler 3 Power supply 
1 Power supply 2 Power supply release tab - Pull the power supply part of the way out of the bay, and then release the latch and support the power supply as you pull the power supply the rest of the way out of the bay.
Next Steps
Install a power supply.