Dell PowerEdge T550 Installation and Service Manual
Removing a AC power supply unit
Prerequisites
CAUTION:The
system needs one power supply unit (PSU) for normal operation. On power-redundant
systems, remove and replace only one PSU at a time in a
system that is powered on.
- Follow the safety guidelines listed in Safety instructions.
- Disconnect the power cable from the power source and from the PSU you intend to remove, and then remove the cable from the strap on the PSU handle.
Steps
Press the orange release latch and slide the PSU out of the system by using the PSU handle.
Figure 1. Removing a 60 mm power supply unit 
Figure 2. Removing a 86 mm power supply unit 
Next steps
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