Removing and Installing Parts: Dell XPS 400 Service Manual
file:///T|/htdocs/systems/xps400/sm/parts.htm[8/3/2012 3:11:45 PM]
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the
Product Information Guide.
Removing the Power Supply
1. Follow the procedures in "Before You Begin."
2. Disconnect the DC power cables from the system board and the drives.
Note the routing of the DC power cables underneath the tabs in the computer frame as you remove them from the
system board and drives. You must route these cables properly when you replace them to prevent them from being
pinched or crimped.
3. Remove any cables from the cable routing clip on the power supply.
4. Remove the four screws that attach the power supply to the back of the computer frame.
5. Press the release button located on the floor of the computer frame.
1 release button
2 power supply
3 screws (4)
4 AC power connector
6. Slide the power supply approximately 1 inch closer to the front of the computer.
7. Lift the power supply out of the computer.
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