Lights
Item | Component | Description | |
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(1) | Power lights (2)* | ● | On: The computer is on. |
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| ● | Blinking: The computer is in the Sleep state. |
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| ● | Off: The computer is off or in Hibernation. |
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(2) | Battery light | ● | On: A battery is charging. |
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| ● | Blinking: A battery that is the only available power |
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| source has reached a low battery level or a critical |
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| battery level. |
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| ● | Off: If the computer is plugged into an external power |
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| source, the light is turned off when all batteries in the |
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| computer are fully charged. If the computer is not |
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| plugged into an external power source, the light stays |
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| off until the battery reaches a low battery level. |
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(3) | Drive light | Blinking: The hard drive or optical drive is being accessed. | |
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(4) | Caps lock light | On: Caps lock is on. | |
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(5) | Media button light | Blinks once when the media button is pressed. | |
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(6) | DVD button light | Blinks once when the DVD button is pressed. | |
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(7) | Previous/rewind light | Blinks once when the previous/rewind button is pressed. | |
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(8) | Play/pause light | Blinks once when the play/pause button is pressed. | |
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(9) | Next/fast forward light | Blinks once when the next/fast forward button is pressed. | |
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(10) | Stop light | Blinks once when the stop button is pressed. | |
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(11) | Volume mute light | ● | Blue: Computer sound is turned on. |
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| ● | Amber: Computer sound is turned off. |
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(12) | Volume down light | Blinking: The volume scroll zone is being used to decrease | |
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| speaker volume. | |
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10 Chapter 2 External component identification
