Lenovo ThinkCentre M73, User Manual

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6. Position the new system fan on the chassis so that the three screw holes in the new system fan are
aligned with the screw posts on the thermal module. Then, install the three screws to secure the
system fan to the computer.
Figure 67. Installing the system fan
7. Connect the cable of the new system fan to the system fan connector on the system board. See
“Locating parts on the system board” on page 12.
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 80.
Replacing the thermal module
Attention:
Do not open your computer or attempt any repair before reading and understanding the “Important safety information”
on page v.
This section provides instructions on how to replace the thermal module.
CAUTION:
The thermal module might be very hot. Before you open the computer cover, turn off the computer
and wait several minutes until the computer is cool.
To replace the thermal module, do the following:
1. Turn off the computer and disconnect all power cords from electrical outlets.
2. Remove the computer cover. See “Removing the computer cover” on page 55.
Chapter 5
.
Installing or replacing hardware
75