Front - HP ProBook 640 G1 Maintenance And Service Manual

Front

Component
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(2)
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18 Chapter 2 External component identification
Wireless light
Power light
AC adapter/Battery light
Hard drive light
Description
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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.
●
Amber: All wireless devices are off.
●
On: The computer is on.
●
Blinking: The computer is in the Sleep state.
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Off: The computer is off.
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White: The computer is connected to external power
and the battery is charged from 90 to 99 percent.
●
Amber: The computer is connected to external power
and the battery is charged from 0 to 90 percent.
●
Blinking amber: A battery that is the only available
power source has reached a low battery level. When
the battery reaches a critical battery level, the
battery light begins blinking rapidly.
●
Off: The battery is fully charged.
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Blinking white: The hard drive is being accessed.
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Amber: HP 3D DriveGuard has temporarily parked the
hard drive.