Lenovo 34IAZ7, User Manual

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Power supply assembly
Prerequisite
Before you start, read Generic Safety and Compliance Notices , and print the following instructions.
Attention: Do not open your computer or attempt any repairs before reading the Important Product
Information Guide .
Although there are no moving parts in your computer after the power cord has been disconnected, the
following warnings are required for your safety and proper Underwriters Laboratories (UL) certification.
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.
Replacement procedure
1. Turn off the computer and remove all connected devices and cables.
2. Remove the right computer cover. See “Right computer cover” on page 17.
3. Remove the front bezel. See “Front bezel” on page 19.
4. Disconnect the power supply cables from the system board.
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User Guide