Lenovo ThinkPad L440 User Manual page 160
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Also See for ThinkPad L440:
- Hardware maintenance manual (136 pages) ,
- Safety, warranty, and setup manual (2 pages) ,
- User manual (179 pages)
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DANGER
If the coin-cell battery is incorrectly replaced, there is danger of an explosion. The coin-cell battery
contains a small amount of harmful substances. To avoid possible injury:
• Replace only with a battery of the type recommended by Lenovo.
• Keep the battery pack away from fire.
• Do not expose it to excessive heat.
• Do not expose it to water or rain.
• 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 flame to "vent" from the battery
pack or coin cell.
To replace the coin-cell battery, do the following:
1. Turn off the computer, then disconnect the ac power adapter and all cables from the computer.
2. Remove the battery pack. See "Replacing the battery pack" on page 121.
3. Loosen the screws
the direction shown by the arrow
4. Detach the connector
5. Install the new coin-cell battery
144
User Guide
1
that secure the base cover assembly. Then remove the base cover assembly in
2
.
1
, and then remove the coin-cell battery
1
and attach the connector
2
.
2
.
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