Lenovo ThinkSystem ST250 V2 Maintenance Manual page 184

CAUTION:
The power-control button on the device and the power switch on the power supply do not turn off
the electrical current supplied to the device. The device also might have more than one power cord.
To remove all electrical current from the device, ensure that all power cords are disconnected from
the power source.
• S035
CAUTION:
Never remove the cover on a power supply or any part that has this 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. If you suspect a problem with one of
these parts, contact a service technician.
Attention:
• Read the "Installation guidelines" on page 85 to ensure that you work safely.
• Touch the static-protective package that contains the component to any unpainted metal surface on the
server; then, remove it from the package and place it on a static-protective surface.
Watch the procedure
A video of this procedure is available at YouTube:
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Procedure
Step 1. Align the tabs on the fixed power supply bracket with the corresponding holes on the chassis.
Step 2. Pivot the fixed power supply bracket in until it snaps into place.
ThinkSystem ST250 V2 Maintenance Manual
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https://youtube.com/playlist?list=PLYV5R7hVcs-
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