Lenovo 10AU, User Manual

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10. Lower and position the heat sink fan duct on the top of the heat sink and fan assembly until it snaps
into position.
3
4
5
6
Figure 40. Installing the heat sink fan duct
11. Secure the power supply assembly cables with the cable clips and ties in the chassis.
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 76.
Replacing the heat sink and fan assembly
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 heat sink and fan assembly.
CAUTION:
The heat sink and fan assembly 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 heat sink and fan assembly, 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 35.
3. Remove the front bezel. See “Removing and reinstalling the front bezel” on page 36.
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ThinkCentre E73 User Guide