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Dell™OptiPlex™760ServiceManual
Power Supply
Power Supply
Replacing the Power Supply
1. Follow the procedures in Working on Your Computer.
2. Remove the computer cover (see Removing the Computer Cover).
3. 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.
4. Remove the two screws that attach the power supply to the back of the computer chassis.
5. Remove the optical drive and carefully set it aside (see Optical Drive).
6. Press the release button located on the floor of the computer chassis and then slide the power supply towards the front of the computer chassis.
7. Lift the power supply up and out of the computer.
8. Slide the replacement power supply into place.
9. Replace the screws that secure the power supply to the back of the computer chassis.
10. Reconnect the DC power cables.
11. Replace the optical drive (see Optical Drive).
WARNING: 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.
CAUTION: 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.
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