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• Do not short-circuit it.
• Do not drop, crush, puncture, or subject to strong forces. Battery abuse or mishandling can
cause the battery to overheat, which can cause gasses or ame to “vent” from the battery
pack or coin cell.
To remove the backup battery, do the following:
1. Turn off the computer; then disconnect the ac power adapter and all cables from the computer. Wait
three to ve minutes to let the computer cool.
2. Close the computer display, and turn the computer over.
3. Remove the battery. See “Replacing the battery” on page 61.
4. Loosen the screws 1 , and then remove the cover 2 .
5. Detach the connector 1 . Then remove the backup battery 2 .
To install the backup battery, do the following:
Chapter 6. Replacing devices 81