Replacing The Power Supply - Dell Studio 540 Service Manual

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Replacing the Power Supply
Dell Studio™ 540 Service Manual
CAUTION:
practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.
CAUTION:
computer from the electrical outlet before removing the cover.
NOTICE:
damage your computer. For technical assistance, see the Setup Guide.
1. Follow the procedures in
2. Remove the computer cover (see
NOTICE:
3. Follow the DC power cables that stem from the power supply and disconnect each connected power cable.
NOTE:
drives. You must route these cables properly when you replace them to prevent them from being pinched or crimped.
4. Remove the four screws that secure the power supply to the back of the computer chassis.
1 power supply 2 screws (4)
5. Slide the power supply towards the front of the computer and lift it out.
6. Slide the replacement power supply towards the back of the computer.
CAUTION:
7. Replace all screws that secure the power supply to the back of the computer chassis.
NOTICE:
8. Reconnect the DC power cables to the system board and drives.
NOTE:
9. Replace the computer cover (see
10. Connect your computer and devices to an electrical outlet, and turn them on.
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Before working inside your computer, read the safety information that shipped with your computer. For additional safety best
To guard against likelihood of electric shock, laceration by moving fan blades or other unexpected injuries, always unplug your
Do not perform the following steps unless you are familiar with hardware removal and replacement. Performing these steps incorrectly could
Before You Begin.
Replacing the Computer
Note the location and ID of each power connector before disconnecting the power supply cables.
Note the routing of the DC power cables underneath the tabs in the computer chassis as you remove them from the system board and
Failure to replace and tighten all screws may cause electrical shock as these screws are a key part of the system grounding.
Route the DC power cables under the chassis tabs. The cables must be properly routed to prevent the cables from being damaged.
Double-check all cable connections to make sure they are secure.
Replacing the Computer
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