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Replacing the power supply
Attention
Do not open your computer or attempt any repair before reading 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
To replace the power supply:
1. Remove the four screws at the rear of the chassis that secure the power
supply.
2. Open the computer cover. See “Opening the cover” on page 12.
3. Pivot the drive bay assembly upward to gain access to the power supply.
4. Locate the power supply. See “Locating components” on page 8.
Figure 15. Power-supply-retaining screws
Chapter 3. Installing options and replacing hardware 21