Lenovo ThinkCentre A62 (English US/UK) User guide - Page 31
Using the Setup Utility, on ThinkCentre Safety and Warranty Guide
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This section provides instructions on how to replace the battery. Your computer has a special type of memory that maintains the date, time, and settings for built-in features, such as parallel-port assignments (configuration). A battery keeps this information active when you turn off the computer. 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 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 16. 3. Locate the battery. See "Locating parts on the system board" on page 12. 4. Remove the old battery. Figure 13. Removing the old battery 5. Install a new battery. Figure 14. Installing a new battery 6. Reinstall the computer cover and connect the cables. See "Completing the parts replacement" on page 45. 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. 7. Turn on the computer and all attached devices. 8. Use the Setup Utility program to set the date, time, and any passwords. See Chapter 4, "Using the Setup Utility," on page 59. Chapter 2. Installing or replacing hardware 23