Replacing The Heat Sink - Lenovo 3692A3U User Manual

5. Install a new battery.
Figure 15. Installing a new battery
6. Reconnect all the cables to the system board and close the computer cover. See
7. Turn on the computer and all attached devices.
8. Use the Setup Utility program to set the date, time, and any passwords. See

Replacing the heat sink

This section provides instructions on how to replace the heat sink.
CAUTION:
The heat sink might be very hot. Turn off the computer and wait three to five
minutes to let the computer cool before opening the computer cover.
To replace the heat sink, do the following:
1. Remove all media from the drives and turn off all attached devices and the
2. Open the computer cover. See "Opening the computer cover" on page 14.
3. Locate the heat sink. See "Locating components" on page 10.
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User Guide
"Completing the parts replacement" on page 31.
Note: When the computer is turned on for the first time after battery
replacement, an error message might be displayed. This is normal after
replacing the battery.
Chapter 4, "Using the Setup Utility program," on page 45.
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
computer. Then, disconnect all power cords from electrical outlets and
disconnect all cables that are connected to the computer.