Replacing The Microprocessor - Lenovo ThinkCentre M83 Hardware Maintenance Manual

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 234.

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 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.
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 159.
3. Remove the front bezel. See "Removing and reinstalling the front bezel" on page 160
4. Press the retaining clip
same time.
Figure 157. Pivoting the drive bay assembly upward
5. Remove the heat sink and fan assembly. See "Replacing the heat sink and fan assembly" on page 191.
Note: Do not let the thermal grease on the bottom of the heat sink and fan assembly get in contact
with anything.
6. Record the cable routing and connections. Then, locate the system board and disconnect all cables
connected to the system board. See "Locating parts on the system board" on page 82.
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ThinkCentre M83 and M93/p Hardware Maintenance Manual
1 in the direction as shown and pivot the drive bay assembly upward at the