Lenovo ThinkStation P310 User Manual page 96

CAUTION:
Hazardous moving parts. Keep fingers and other body parts away.
CAUTION:
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. If you suspect a problem with
one of these parts, contact a service technician.
To replace the power supply assembly, do the following:
1. Remove any media from the drives and turn off all connected devices and the computer. Then,
disconnect all power cords from electrical outlets and disconnect all cables that are connected to the
computer.
2. Remove the computer cover. See "Removing the computer cover" on page 58.
3. Disconnect the power supply assembly cables from the system board and all drives. See "Parts on
the system board" on page 7.
4. Release the power supply assembly cables from the cable clips and ties.
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ThinkStation P310 User Guide