Lenovo 10A4 Hardware Maintenance Manual page 188

Figure 148. Removing the power supply assembly
9. Ensure that the new power supply assembly is the correct replacement.
10. Install the new power supply assembly into the chassis so that the screw holes in the new power supply
assembly are aligned with the corresponding holes in the rear of the chassis. Then, install the three
screws to secure the new power supply assembly.
Note: Use only screws provided by Lenovo.
Figure 149. Installing the power supply assembly
11. Connect the new power supply assembly cables to all drives and the system board. See "Locating parts
on the system board" on page 81.
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the installation or replacement, go to "Completing the parts replacement" on page 224.
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ThinkCentre M83 and M93/p Hardware Maintenance Manual