Owners Manual

CAUTION: The system requires at least one working power supply unit (PSU) to operate.
1. Follow the safety guidelines listed in the Safety instructions section.
2. Follow the procedure listed in the Before working inside your system section.
3. Disconnect the power cable from the power source and the PSU, and disconnect the peripherals.
Steps
Press the release lever and by using the handle, slide the PSU out of the system.
NOTE: Removing the PSU may require considerable force.
Figure 40. Removing and installing a PSU
a. PSU
b. release lever
c. handle
Next steps
1. Install the PSU.
2. Reconnect all disconnected cables and peripherals.
3. Follow the procedure listed in the After working inside your system section.
Related references
Safety instructions on page 62
Installing a power supply unit
Prerequisites
CAUTION:
Many repairs may only be done by a certified service technician. You should only perform
troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or
telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by
your warranty. Read and follow the safety instructions that are shipped with your product.
CAUTION: The system requires at least one power supply unit (PSU) to operate normally.
NOTE: When installing a new PSU in a system with two PSUs, allow several seconds for the system to recognize the PSU
and determine its status.
Installing and removing system components 85