Apple has recently discovered that some batteries used in its MacBook and MacBook Pro notebooks purchased between those dates may have battery performance issues. Apple offers a software update that is designed to improve battery performance.
Apple emphasized, though, that the performance issues do not present a safety risk and the battery can still be used.
Affected batteries will have one or more of the following symptoms:
- Battery is not recognized causing an “X” to appear in the battery icon in the Finder menu bar.
- Battery will not charge when computer is plugged into AC power.
- Battery exhibits low charge capacity/runtime when using a fully charged battery with a battery cycle count of less than 300.
- Battery pack is visibly deformed.
If your MacBook (Pro) shows any of these symptoms, you can bring your computer with the battery to any authorized service center. A verified defective battery will be replaced. Also, Apple has extended the repair coverage of batteries for an additional two (2) years from date of purchase.
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