HP mt245, Maintenance And Service Manual

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Left
Component Description
(1) Power connector Connects an AC adapter.
(2) Battery light When AC power is connected:
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White: The battery charge is greater than 90 percent.
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Amber: The battery charge is from 0 to 90 percent.
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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.
(3) Vent 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.
(4) External monitor port Connects an external VGA monitor or projector.
(5) RJ-45 (network) jack/lights Connects a network cable.
●
Green (left): The network is connected.
●
Amber (right): The network is showing activity.
(6) HDMI port Connects an optional video or audio device, such as a high-
definition television, any compatible digital or audio component,
or a high-speed HDMI device.
(7) USB 3.0 port Connects an optional USB device, such as a keyboard, mouse,
external drive, printer, scanner or USB hub.
(8) USB 2.0 port Connects an optional USB device, such as a keyboard, mouse,
external drive, printer, scanner or USB hub.
(9) Audio-out (headphone)/Audio-in (microphone)
combo jack 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.
6 Chapter 2 External component identification