External component identification
Right-side components
Item | Component | Description |
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(1) | USB ports (2) | Connect optional USB devices. |
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(2) | Connects a modem cable. | |
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(3) | Optical drive (select models only) | Reads optical discs and, on select models, also writes to optical discs. |
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(4) | Optical drive light (select models only) | Blinking: The optical drive is being accessed. |
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(5) | Battery light | ■ Amber: A battery is charging. |
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| ■ Turquoise: A battery is close to full charge capacity. |
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| ■ Blinking amber: A battery that is the only available power source has |
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| reached a low battery level. When the battery reaches a critical battery |
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| level, the battery light begins blinking rapidly. |
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| ■ Off: If the computer is plugged into an external power source, the light turns |
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| off when all batteries in the computer are fully charged. If the computer is |
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| not plugged into an external power source, the light stays off until the |
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| battery reaches a low battery level. |
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(6) | Power connector | Connects an AC adapter. |
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Maintenance and Service Guide |