Lenovo ThinkCentre E93, User Manual, Page: 80 / 162

10. Lower and position the heat sink fan duct on the top of the heat sink and fan assembly until it snaps
into position.
Figure 47. 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 84.
Replacing the microprocessor
CAUTION:
The heat sink and microprocessor might be very hot. Before you open the computer cover, turn off
the computer and wait several minutes until the computer is cool.
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 microprocessor.
To replace the microprocessor, do the following:
1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect
all power cords from electrical outlets and disconnect all cables that are connected to the computer.
2. Remove the computer cover. See “Removing the computer cover” on page 40.
3. Lay the computer on its side for easier access to the system board.
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ThinkCentre E93 User Guide