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The coin-cell battery normally requires no charging or maintenance throughout its life; however, no coin-cell
battery lasts forever. If the coin-cell 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 coin-cell battery notice" in the Safety and Warranty Guide for information about
replacing and disposing of the coin-cell battery.
To replace the coin-cell battery, do the following:
1. Remove any media from the drives and turn off all connected 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 slide cover. See "Removing the slide cover" on page 85.
3. Remove the bottom cover. See "Replacing the bottom cover" on page 86.
4. Remove the Orchid Tilt Stand. See "Replacing the Orchid Tilt Stand" on page 92.
5. Remove the system board shield. See "Replacing the system board shield" on page 97.
6. Locate the coin-cell battery. See "Computer components" on page 31.
7. Remove the coin-cell battery as shown.
Figure 42. Removing the coin-cell battery
8. Install the new coin-cell battery as shown.
Figure 43. Installing the coin-cell battery
9. Reinstall the system board shield. See "Replacing the system board shield" on page 97.
10. Reinstall the Orchid Tilt Stand. See "Replacing the Orchid Tilt Stand" on page 92.
11. Reinstall the bottom cover. See "Replacing the bottom cover" on page 86.
12. Reinstall the slide cover. See "Removing the slide cover" on page 85.
13. Turn on the computer and all connected devices.
Note: When the computer is turned on for the first time after replacing the coin-cell battery, an error
message might be displayed. This is normal after replacing the coin-cell battery.
14. Use the Setup Utility program to set the date, time, and any passwords. See "Using the Setup Utility
program" on page 59.
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ThinkCentre X1 Hardware Maintenance Manual
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