Procedure
1. Disconnect all the power cables from the PSU to the system board, hard drives, and optical
drive.
2. Remove the screw securing the PSU to the chassis, slide and lift the power supply out of
the chassis.
Figure 72 Removing a cabled PSU
a. PSU
b. screw
c. P1 cable connector
d. P2 cable connector
e. P3 cable connector
f. standoff
g. Backplane connector
After you finish
1. Install the cabled PSU.
2. Follow the procedure listed in After working inside your system section.
Installing a cabled power supply unit
Before you begin
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
Installing and removing system components
Dell PowerEdge R430 Owner's Manual 157
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