Replacing The Power Supply Assembly - Lenovo ThinkCentre M725s User Manual And Hardware Maintenance Manual

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Figure 94. Installing the cover presence switch
5. Connect the new cover presence switch cable to the system board.
6. Reinstall the removed parts. To complete the replacement, see "Completing the parts replacement" on
page 60.

Replacing the power supply assembly

Attention: Do not open your computer or attempt any repairs before reading the Important Product
Information Guide.
Although there are no moving parts in the 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.
.
Chapter 4
Replacing hardware
57

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