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Installing System Components 99
Power Supply
Removing the Power Supply
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 came with the
product.
1
Turn off the system and attached peripherals, and disconnect the system
from the electrical outlet.
2
Open the system. See "Opening the System" on page 59.
3
Remove the expansion-card stabilizer. See "Removing the Expansion-Card
Stabilizer" on page 78.
4
Remove the cooling shroud. See "Removing the Cooling Shroud" on
page 79.
5
Disconnect all the power cables from the system board and drives.
NOTE: Note the routing of the DC power cables underneath the tabs in the
system frame as you release the tabs and remove the cables from the system
board and drives. You must route these cables properly when you replace
them to prevent their being pinched or crimped.
6
Remove the cables secured to the cable clip on the side of the power
supply.
7
Using a #2 Phillips screwdriver, remove the four screws that secure the
power supply to the back panel.
8
Press the power-supply release tab down and slide the power supply toward
the front of the system.
9
Lift the power-supply out of the chassis. See Figure 3-22.
10
Remove the cable clip and set it aside to attach to the new power supply.
Coaster_HOM.book Page 99 Monday, November 3, 2014 3:23 PM