Replacing The Microprocessor - Lenovo ThinkCentre A61 Hardware Maintenance Manual

Replacing the microprocessor

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:
96
Hardware Maintenance Manual
Attention
Do not open your computer or attempt any repair before reading and understanding the
"Important safety information" in the ThinkCentre Safety and Warranty Guide that came with
your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to:
http://www.lenovo.com/support
1. Remove the cover. See "Removing the computer cover" on page 87.
2. Place the computer on its right side to help make the microprocessor more
accessible.
3. Disconnect the heat sink and fan assembly cable from the system board. See
"Locating parts on the system board" on page 89.
4. Rotate handle 1 to release the heat sink clamp and then disengage the
clamp from the plastic retention bracket.
5. Lift the heat sink and fan assembly off the system board. Place the heat sink
on its side so that the thermal grease does not come in contact with anything.