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Lights
Component Description
(1) Power lights (2)*
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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.
(2) Battery light
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On: A battery is charging.
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Blinking: A battery that is the only available power source has
reached a low battery level or a critical battery level.
●
Off: If the computer is plugged into an external power source,
the light is turned off when all batteries in the computer are
fully charged. If the computer is not plugged into an external
power source, the light stays off until the battery reaches a
low battery level.
(3) Drive light
●
Blinking: The hard drive or optical drive is being accessed.
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On: HP ProtectSmart Hard Drive Protection has temporarily
parked the internal hard drive.
(4) Caps lock light On: Caps lock is on.
(5) Wireless light
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Blue: An integrated wireless device, such as a wireless local
area network (WLAN) device and/or a Bluetooth® device, is
on.
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Amber: All wireless devices are off.
(6) Volume mute light
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White: Computer sound is turned on.
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Amber: Computer sound is turned off.
(7) Volume down light On: The volume scroll zone is being used to decrease speaker
volume.
8 Chapter 2 External component identification