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 the battery, or make it 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 battery.
To replace the coin-cell battery, do the following:
1. Disable the built-in battery. See “Disabling the built-in battery” on page 121.
2. Close the computer display, and turn the computer over.
3. Remove the battery pack. See “Replacing the removable battery” on page 122.
4. Remove the base cover assembly. See “Replacing the base cover assembly” on page 130.
5. Detach the connector
1
, and then remove the coin-cell battery
2
.
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User Guide
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