Replacing The Rear Fan - Lenovo ThinkCentre M720t User Manual And Hardware Maintenance Manual

Figure 129. Removing the cover presence switch
Figure 130. Installing the cover presence switch
4. Connect the new cover presence switch cable to the system board.
5. Complete the replacement. See "Completing the parts replacement" on page 74.

Replacing the rear fan

Attention: Do not open your computer or attempt any repairs before reading the Important Product
Information Guide.
1. Remove the computer cover. See "Removing the computer cover" on page 23.
2. Disconnect the rear fan cable from the system board.
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ThinkCentre M720t User Guide and Hardware Maintenance Manual