Lenovo ThinkCentre M76 Hardware Maintenance Manual for ThinkCentre M76 - Page 144

Replacing the power supply assembly

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10. Lower and position the heat sink fan duct on the top of the heat sink and fan assembly until the two screw holes in the heat sink fan duct are aligned with those in the heat sink and fan assembly. Install the two screws to secure the heat sink fan duct. Figure 77. Installing the heat sink fan duct 11. To complete the installation or replacement, go to "Completing the parts replacement" on page 157. Replacing the power supply assembly Attention: Do not open your computer or attempt any repair before reading and understanding the "Important safety information" in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to replace the power supply assembly. 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. 140 ThinkCentre Hardware Maintenance Manual

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10. Lower and position the heat sink fan duct on the top of the heat sink and fan assembly until the two
screw holes in the heat sink fan duct are aligned with those in the heat sink and fan assembly. Install
the two screws to secure the heat sink fan duct.
Figure 77. Installing the heat sink fan duct
11. To complete the installation or replacement, go to “Completing the parts replacement” on page 157.
Replacing the power supply assembly
Attention:
Do not open your computer or attempt any repair before reading and understanding the “Important safety information”
in the
ThinkCentre Safety and Warranty Guide
that came with your computer. To obtain a copy of the
ThinkCentre
Safety and Warranty Guide
, go to:
This section provides instructions on how to replace the power supply assembly.
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.
140
ThinkCentre Hardware Maintenance Manual