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144 Removing and Installing Parts
5
Remove the four screws that attach the power supply to the back of the
computer chassis.
6
Slide the power supply towards the front of the computer and lift it out.
7
Place and slide the replacement power supply toward the back of the computer.
8
Replace and tighten all screws that secure the power supply to the back of
the computer chassis.
CAUTION: Failure to replace and tighten all screws may cause electrical shock
as these screws are a key part of the system grounding.
NOTICE: Route the DC power cables under the chassis tabs. The cables must be
properly routed to prevent the cables from being damaged.
9
Reconnect the DC power cables to the system board and drives.
10
Secure the hard drive cable, CD or DVD drive data cable, and the front
panel ribbon cable to the securing clip on the side of the power supply.
NOTE: Double-check all cable connections to make sure they are secure.
11
Replace the computer cover (see "Replacing the Computer Cover" on page 164).
12
Connect your computer and devices to an electrical outlet, and turn them on.
13
Verify that the computer works correctly by running the Dell Diagnostics
(see "Dell Diagnostics" on page 80).
1 power supply 2 screws (4)
1
2
book.book Page 144 Friday, April 4, 2008 12:10 PM