Rear Fan Assembly - Lenovo ThinkStation P720 Hardware Maintenance Manual

c. Ensure that the front fan assembly is securely seated.
Figure 134. Ensuring that the front fan assembly is securely seated
5. Reinstall the M.2 solid-state drive holder, any full-length PCIe cards, the PCIe card retainer, and the
super capacitor module if you have removed them.
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.

Rear fan assembly

Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter
1 "Read this first: Important safety information" on page 1.
CAUTION:
Keep fingers and other parts of your body away from hazardous, moving parts. If you suffer an injury,
seek medical care immediately.
To remove or install the rear fan assembly, do the following:
1. Prepare your computer. See "Preparing your computer and removing the computer cover" on page 103.
2. Locate the rear fan assembly. See "Computer components" on page 34.
3. To remove the rear fan assembly, do the following:
a. Locate and disconnect the rear-fan-assembly cable from the rear-fan-assembly connector on the
system board.
.
Chapter 9 Hardware removal and installation
171