External component identification
Lights
Item | Component | Description |
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1 | Caps lock light | On: Caps lock is on. |
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2 | 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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3 | Volume mute light | ■ White: Computer sound is on. |
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| ■ Amber: Computer sound is off. |
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4 | Volume down light | On: The volume scroll zone is being used to decrease speaker |
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| volume. |
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5 | Volume up light | On: The volume scroll zone is being used to increase speaker |
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| volume. |
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6 | Wireless light | ■ On: An integrated wireless device, such as a wireless local |
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| area network (WLAN) device and/or a Bluetooth® device, is |
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| on. |
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| ■ Off: All wireless devices are off. |
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7 | Num Lock light | The integrated numeric keypad is enabled, or num lock is enabled |
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on a connected optional numeric keypad.
(Continued)
Maintenance and Service Guide |
