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1. Remove the computer cover. See "Removing the cover" on page 68.
2. Remove the front bezel by releasing the three plastic tabs inside the chassis and pivoting the bezel
outward. Carefully set the bezel to the side without disconnecting the power switch/LED assembly cable.
3. To reinstall the bezel, align the plastic tabs on the right side of the bezel with the corresponding holes in
the chassis, then pivot it inward until it snaps into position on the left side.
Replacing the power supply
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 came with your computer. To obtain a copy of the ThinkCentre
Safety and Warranty Guide, go to:http://www.lenovo.com/support
72 ThinkCentre Hardware Maintenance Manual