Replacing The Power Supply - Lenovo ThinkCentre 7258 User Manual

Replacing the power supply

This section provides instructions on how to remove and replace the power supply.
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 assembly.
2. Open the computer cover. See "Opening the cover" on page 125.
3. Pivot the drive bay assembly upward to gain access to the power supply
assembly.
4. Locate the power supply assembly. See "Computer components" on page 83.
Chapter 9. Replacing FRUs - 607 computers
129