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Replacing the microprocessor
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
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.
Remove the computer cover. See “Removing the computer cover” on page 14.
3.
Remove the heat sink and fan assembly. See “Replacing the heat sink and fan
assembly” on page 24.
Note:
Place the heat sink and fan assembly on its side so that the thermal
grease on the bottom of it does not get in contact with anything.
Chapter 2. Installing or replacing hardware
27
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