Replacing The Microprocessor - Lenovo ThinkCentre M93z 10AC User 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 75.

Replacing the microprocessor

Attention:
Do not open your computer or attempt any repair before reading and understanding "Important safety information"
on page v.
This section provides instructions on how to replace the microprocessor.
CAUTION:
The heat sink and microprocessor might be very hot. Turn off the computer and wait three to five
minutes to let the computer cool before removing the computer cover.
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. Place a soft, clean towel or cloth on the desk or surface. Hold the sides of your computer and gently lay
it down so that the screen is against the surface and the cover is facing up.
3. Remove the computer cover. See "Removing the computer cover" on page 46.
4. Locate the system board and disconnect all cables connected to the system board. See "Locating
parts on the system board" on page 16.
5. Remove the heat sink to gain access to the microprocessor. See "Replacing the heat sink" on page 54.
Note: Place the heat sink on its side so that the thermal grease on the bottom of it does not get in
contact with anything.
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ThinkCentre M93z User Guide