Dell OptiPlex 760 Service Manual - Page 136

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. If installed, remove the optical drive (see Removing an Optical Drive). 4. If installed, remove the floppy drive or media card reader (see Floppy Drive). 5. Disconnect the DC power cables from the system board and the drives. NOTE: Remember 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 their being pinched or crimped. 6. Remove the three screws that attach the power supply to the computer chassis. 1 power supply 2 mounting screws (3) 7. Slide the power supply toward the front of the computer (approximately 1 inch). 8. Lift the power supply up and out of the computer. 9. Slide the replacement power supply into place. 10. Replace the screws that secure the power supply to the back of the computer chassis. 11. Reconnect the DC power cables to the system board and drives (see System Board Components for connector locations).