Component | Description | ||
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(8) | Battery light | ● | On: A battery is charging. |
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| ● | Blinking: A battery that is the only available power source has |
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| reached a low battery level or a critical battery level. |
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| ● | Off: If the computer is plugged into an external power source, |
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| the light is turned off when all batteries in the computer are |
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| fully charged. If the computer is not plugged into an external |
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| power source, the light stays off until the battery reaches a |
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| low battery level. |
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(9) | Drive light | Blinking: The hard drive or optical drive is being accessed. | |
*The 2 power lights display the same information. The light on the power button is visible only when the computer is open. The power light on the front of the computer is visible whether the computer is open or closed.
8 Chapter 2 External component identification
