Item | Component | Description | |
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(9) | Hard drive light | ● | Blinking white: The hard drive is being accessed. |
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| ● | Off: The hard drive is idle. |
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(10) | Power light | ● | White: The computer is on. |
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| ● | Blinking white: The computer is in the Sleep state. |
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| ● | Off: The computer is off or in Hibernation. |
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Right side
Item | Component | Description | |
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(1) | Optical drive (select models only) | Reads and writes to an optical disc. | |
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(2) | Optical drive light | ● | On: The optical drive is in use. |
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| ● | Off: The optical drive is idle. |
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(3) | USB ports (2) | Connect optional USB devices. | |
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(4) | Power connector | Connects an AC adapter. | |
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(5) | Battery/AC adapter light | ● | White: The computer is connected to external power |
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| and the battery is fully charged. |
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| ● | Amber: A battery is charging. |
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| ● | Blinking amber: The battery has reached a low |
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| battery level, or there is a battery error. When a |
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| battery reaches a critical battery level, the battery |
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| light begins blinking rapidly. |
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(6) | Security cable slot | Attaches an optional security cable to the computer. | |
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| NOTE: The security cable is designed to act as a | |
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| deterrent, but it may not prevent the computer from being | |
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| mishandled or stolen. | |
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14 | Chapter 2 External component identification |