Left - HP ProBook 440 G3 Maintenance And Service Manual

Left

Component
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(2)
(3)
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Power connector
Battery light
Vent
USB 2.0 charging (powered) port
Audio-out (headphone)/Audio-in (microphone)
combo jack
Description
Connects an AC adapter.
When AC power is connected:
● White: The battery charge is greater than 90 percent.
● Amber: The battery charge is from 0 to 90 percent.
● Off: The battery is not charging.
When AC power is disconnected (battery not charging):
● Blinking amber: The battery has reached a low battery
level. When the battery has reached a critical battery level,
the battery light begins blinking rapidly.
● Off: The battery is not charging.
Enables airflow to cool internal components.
NOTE: The computer fan starts up automatically to cool
internal components and prevent overheating. It is normal for
the internal fan to cycle on and off during routine operation.
Connects an optional USB device, such as a keyboard, mouse,
external drive, printer, scanner or USB hub. Standard USB ports
will not charge all USB devices or will charge using a low current.
Some USB devices require power and require you to use a
powered port.
NOTE: USB charging ports can also charge select models of
cell phones and MP3 players, even when the computer is off.
Connects optional powered stereo speakers, headphones,
earbuds, a headset, or a television audio cable. Also connects an
optional headset microphone. This jack does not support
optional microphone-only devices.
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