Power Supply Unit - Lenovo ThinkCentre neo 50a 24 Gen 3 Hardware Maintenance Manual

1. Turn off the computer and remove all connected devices and cables.
2. Unlock any locking device that secures the computer cover.
3. Place a soft, clean towel or cloth on the desk or surface. Hold the sides of your computer and gently lay
it down so that the screen is against the surface and the computer cover is facing up.
4. Remove the computer stand. See "Computer stand" on page 49.
5. Remove the rear cover. See "Rear cover " on page 50.
6. Remove the system board shielding. See "System board shielding" on page 52.
Removal steps

Power supply unit

Prerequisite
Before you start, read Generic Safety and Compliance Notices, and print the following instructions.
Although there are no moving parts in the computer after the power cord has been disconnected, the
following warnings are required for your safety.
Keep fingers and other parts of your body away from hazardous, moving parts. If you suffer an injury, seek
medical care immediately. 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.
For access, do the following:
1. Remove the computer stand. See "Computer stand" on page 49.
2. Remove the rear cover. See "Rear cover " on page 50.
3. Remove the system board shielding. See "System board shielding" on page 52.
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ThinkCentre neo 50a 24 Gen 3 Hardware Maintenance Manual