Lenovo ThinkCentre Edge 71 User Manual page 57

Figure 30. Removing the heat sink fan duct
5. Disconnect the power supply assembly cables from all drives and from the 24-pin power connector and
4-pin power connector on the system board. See "Locating parts on the system board" on page 11.
Note: You might also need to release the power supply assembly cables from some cable clips or ties
that secure the cables to the chassis. Make sure that you note the cable routing before disconnecting
the cables.
6. At the rear of the computer, remove the three screws that secure the power supply assembly. Press the
power supply clip 1
assembly to the front of the computer. Lift the power supply assembly out of the computer.
Figure 31. Removing the power supply assembly
7. Make sure that the new power supply assembly is the correct replacement.
downward to release the power supply assembly and then slide the power supply
.
Chapter 5 Installing or replacing hardware
45