Lenovo M58e Hardware Maintenance Manual - Page 135

Replacing 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. This section provides instructions on how to remove and replace the power supply. 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