Owners Manual

NOTE: The maximum output power is printed on the PSU label.
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. Verify that both PSUs are of the same type and have the same maximum output power.
Steps
Slide the PSU into the chassis until the PSU is fully seated and the release lever locks into place.
Next steps
Follow the procedure listed in the After working inside your system section.
Related references
Safety instructions on page 62
System board tray
Removing the system board tray
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.
Follow the safety guidelines listed in the Safety instructions section.
Steps
1. Remove the screw that secures the retaining latch.
2. Press the retaining latch and slide the system board tray out of the chassis.
Figure 41. Removing and installing a system board tray
a. retaining latch
b. screw
c. system board tray
86
Installing and removing system components