Replacing The Microprocessor - Lenovo ThinkCentre M83 Hardware Maintenance Manual

8. Install the new thermal module into the chassis as shown. Ensure that the four screws on the new
thermal module are aligned with corresponding holes in the system board.
Figure 281. Installing the thermal module
9. Follow the clockwise sequence of
module. Do not over-tighten the screws.
10. Reinstall the cover presence switch. See "Replacing the cover presence switch" on page 274.
11. Reinstall the internal speaker. See "Replacing the internal speaker" on page 271.
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 286.

Replacing the microprocessor

Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter
1 "Safety information" on page 1.
This section provides instructions on how to replace the microprocessor.
CAUTION:
The thermal module 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.
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 237.
3. Remove the thermal module. See "Removing the computer cover" on page 237.
Note: Place the thermal module on its back so that the thermal grease on the bottom of it does not
get in contact with anything.
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ThinkCentre M83 and M93/p Hardware Maintenance Manual
2 , 4 , 1 , and 3 to install the four screws to secure the new thermal