Replacing The Power Supply - Dell OptiPlex 960 Service Manual

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Dell™ Optiplex™ 960 Mini Tower/Desktop/Small Form Factor Service Manual
Power Supply
Power Supply

Replacing the Power Supply

CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best
practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.
NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your
computer's electronic components. You can do so by touching an unpainted metal surface on the computer chassis.
1. Perform the procedure Before Working on Your
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 chassis 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 the four screws that attach the power supply to the back of the computer chassis.
4. Press the release button located on the front side of the power supply.
1 release button
3 screws (4)
5. Slide the power supply toward the front of the computer by approximately 1 inch.
6. Lift the power supply up and out of the computer.
7. Slide the replacement power supply into place.
8. Replace the screws that secure the power supply to the back of the computer chassis.
9. Connect the DC power cables to the system board.
10. Connect the AC power cable to the AC power connector.
11. Perform the procedure After Working on Your
Computer.
2 power supply
4 AC power connector
Computer.