Lenovo M58e Hardware Maintenance Manual - Page 94

Replacing the power supply assembly 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 servicable parts inside these components. 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 was included with your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to replace the power supply assembly. To replace the power supply assembly: 1. Remove the computer cover. See "Removing the computer cover" on page 85. 2. Lay the computer on its side. 3. Disconnect the power supply assembly cables from the system board and from all drives. See "System board connectors" on page 84. 88 Hardware Maintenance Manual