Lenovo ThinkStation P720 Hardware Maintenance Manual page 212

Figure 193. Installing the heat-sink-and-fan assembly 1
Figure 194. Installing the heat-sink-and-fan assembly 2
10. Connect the heat-sink-and-fan assembly cable to the microprocessor fan connector on the system
board. See "Parts on the system board" on page 38.
11. Reinstall the flex-bay bracket if necessary.
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the installation or replacement, go to "Completing the parts replacement" on page 220.
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P720 Hardware Maintenance Manual