9. Install the new front fan assembly by aligning the new rubber mounts that came with the new front fan
assembly with the corresponding holes in the chassis, and then push the rubber mounts through the
holes. Then, carefully pull on the tips of the rubber mounts from the bottom until the new front fan
assembly is secured in place.
Figure 74. Installing the front fan assembly
10. Connect the new front fan assembly cable to the system fan connector on the system board. See
“Locating parts on the system board” on page 104.
11. Reinstall the heat sink fan duct. See “Replacing the heat sink and fan assembly” on page 116.
12. Reinstall the hard disk drive. See “Replacing the hard disk drive” on page 128.
13. To complete the replacement, go to “Completing the parts replacement” on page 138.
Replacing the system board
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 system board.
134
ThinkCentre Hardware Maintenance Manual
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