Chapter 2. Learning the basics
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| Battery | On (solid | The battery has more than |
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| white) | 20% charge. |
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| Solid amber | The battery has between 5% |
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| and 20% charge. |
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| Fast | The battery has less than 5% |
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| blinking | charge. |
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| amber |
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| Slow | The battery is being charged. |
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| blinking | When battery charge reaches |
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| amber | 20%, the blinking color |
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| changes to white. |
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| Slow | The battery has between 20% |
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| blinking | and 80% charge and is still |
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| white | charging. When the battery |
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| reaches 80% charge the light |
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| will stop blinking, but |
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| charging will continue until |
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| the battery is fully charged. |
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| Off | The battery is detached. |
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| Device | Blinking | Data is being read from or |
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| access |
| written to the hard disk drive |
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| or other external storage |
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| devices. |
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| Wireless | On | Wireless (Bluetooth or |
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| wireless network card) is |
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| enabled. |
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| Off | Wireless is disabled. |
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Note: Do not power off the computer or put the computer into sleep (hibernation) mode when the device access indicator is blinking.
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