Lenovo ThinkCentre A61e - Manual (Page 22)

3. Remove the old battery.
4. Install the new battery.
5. Replace the computer cover, and connect all the cables. See Chapter 4,
“Completing the parts replacement,” on page 27.
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.
6. Turn on the computer and all attached devices.
7. Use the Setup Utility program to set the date and time and any passwords. See
"Using the Setup Utility" in your User Guide.
Replacing the heat sink
Attention
Do not open your computer or attempt any repair before reading the “Important safety
information” in the Safety and Warranty Guide that was included with your computer. To
obtain a copy of the Safety and Warranty Guide, go to the Support Web site at
http://www.lenovo.com/support.
This section provides instructions on how to replace the heat sink.
1. Remove the computer cover. See “Removing the cover” on page 11.
2. Locate the heat sink. See “Identifying parts on the system board” on page 9.
Figure 6. Removing the battery
Figure 7. Installing the battery
14 Hardware Installation and Replacement Guide