Lenovo 9486F2U - THINKCENTRE A62 9486 User Manual page 36

The battery normally requires no charging or maintenance throughout its life;
however, no battery lasts forever. If the battery fails, the date, time, and
configuration information (including passwords) are lost. An error message is
displayed when you turn on the computer.
Refer to the "Lithium battery notice" in the ThinkCentre Safety and Warranty Guide
for information about replacing and disposing of the battery.
To replace the battery:
1. Remove all media from the drives and turn off all attached devices and the
2. Remove the computer cover. See "Removing the computer cover" on page 16.
3. You might have to access the system board components. See "Accessing the
4. Locate the battery. See Figure 3 on page 11.
5. Remove the failing battery.
Figure 24. Removing the failing battery
6. Install a new battery.
Figure 25. Installing a new battery
7. Reinstall the computer cover, and connect the cables. See "Completing the parts
8. Turn on the computer and all attached devices.
9. Use the Setup Utility program to set the date, time, and any passwords. See
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User Guide
computer. Then, disconnect all power cords from electrical outlets and
disconnect all cables that are connected to the computer.
system board components and drives" on page 17.
replacement" on page 35.
Note: When the computer is turned on for the first time after replacing the
battery, an error message might be displayed. This is normal after
replacing the battery.
Chapter 4, "Using the Setup Utility," on page 49.