单项选择题

A client reports that the laptop is not performing a complete charge of the battery. Which of the following actions should be taken FIRST？（）

A.Update the BIOS.
B.Run the battery calibrator.
C.Reinstall the ACPI drivers.
D.Replace the power adapter.

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A client reports that the laptop is not performing a complete charge of the battery. Which of the following actions should be taken FIRST？ （）

A client reports that the laptop is not performing a complete charge of the battery. Which of the following actions should be taken FIRST？（）