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Dell™Optiplex™960MiniTower/Desktop/SmallFormFactorServiceManual
Power Supply
Power Supply
Replacing the Power Supply
1. Perform the procedure Before Working on Your Computer.
2. If installed, remove the optical drive (see Removing an Optical Drive).
3. If installed, remove the floppy drive or media card reader (see Floppy Drive).
4. Remove the hard drive and shroud assembly (see Removing the Hard Drive and Shroud Assembly).
5. Disconnect the DC power supply cables from the system board and the drives.
6. Detach the thermal sensor from the power supply.
7. Remove the screws at the back of the power supply that secure it to the chassis.
8. At the front end of the power supply, bend up blocking tab to allow the power supply to move forward.
9. Slide the power supply toward the front of the computer approximately 3/4 inch and lift it out of the chassis.
10. Slide the replacement power supply into place.
11. Bend down the blocking tab at the front end of the power supply just enough to stop the power supply from sliding forward.
12. Replace the screws that secure the power supply to the back of the computer chassis.
13. Reattach the thermal sensor to 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.
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.
1
blocking tab
2
power supply
3
mounting screw (2)
4
thermal sensor