HP ProBook 4445s Getting Started Manual page 14

Component
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6 Chapter 2 Getting to know your computer
Power light
Caps lock light
Web browser light
Wireless light
TouchPad light
Description
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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.
On: Caps lock is on.
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On: The computer is on.
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Off: The computer is off or in Hibernation.
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White: 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.
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Amber: The TouchPad is off.
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Off: The TouchPad is on.