Replacing The Heat Sink And Fan Assembly - Lenovo ThinkCentre 3231 Hardware Maintenance Manual

Replacing the heat sink and fan assembly

This section provides instructions on how to replace the heat sink and fan
assembly.
CAUTION:
The heat sink and fan assembly 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 heat sink and fan assembly:
1. Remove the computer cover. See "Removing the computer cover" on page 86.
2. Lay the computer on its side.
3. Locate the heat sink and fan assembly. See "Locating parts on the system
4. Disconnect the heat sink and the fan assembly cable from the microprocessor
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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
board" on page 89.
fan connector on the system board. See "Locating parts on the system board"
on page 89.