ThinkPad S440 User Manual page 89

• 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 flame to "vent" from the battery
pack or coin cell.
To replace the coin-cell battery, do the following:
1. Disable the built-in battery. See "Disabling the built-in battery" on page 65.
2. Close the computer display, and turn the computer over.
3. Remove the base cover assembly. See "Replacing the base cover assembly" on page 66.
4. Detach the connector
5. Install the new coin-cell battery
6. Reinstall the base cover assembly. See "Replacing the base cover assembly" on page 66.
7. Turn the computer over again. Connect the ac power adapter and all cables.
1 . Then remove the coin-cell battery
1 . Then attach the connector
2 .
2 .
.
Chapter 6 Replacing devices
73