Dell OptiPlex 760 Service Manual - Page 49
Power Supply - power supply replacement
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Back to Contents Page Dell™ OptiPlex™ 760 Service Manual Power Supply Power Supply Replacing the Power Supply 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. 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. 1 release button 2 power supply 3 screws (2) 4 AC power connector 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).