Lenovo THINKCENTRE 6019 - Manual (Page 128)

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.
This procedure describes how to remove and replace the power supply.
1. Open the computer cover. See “Opening the cover” on page 118.
2. Pivot the drive bay assembly upward to gain access to the power supply.
3. Remove the PCI riser. See “Replacing a PCI adapter” on page 142.
122 Hardware Maintenance Manual