Replacing The Power Supply - Lenovo ThinkCentre M58 9960 Hardware Manual

Replacing the power supply

This section provides instructions on how to replace the power supply.
To replace the power supply:
Figure 49. Power-supply-retaining screws
Attention
Do not open your computer or attempt any repair before reading and understanding the
"Important safety information" in the ThinkCentre Safety and Warranty Guide that came with
your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to:
http://www.lenovo.com/support
Attention
Never remove the cover on a power supply or any part that has the
following label attached.
Hazardous voltage, current, and energy levels are present inside any
component that has this label attached. There are no serviceable parts inside
these components.
1. Remove the four screws at the rear of the chassis that secure the power
supply.
Chapter 9. Replacing FRUs - Desktop computers
137