HP 5310m HP ProBook 5310m Notebook PC - Maintenance and Service Guide - Page 19

Left-side components - plugged in not charging

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Left-side components External component identification Item Component (1) Battery light (2) Power connector (3) Vent (4) Powered USB port (5) DisplayPort (6) RJ-45 (network) jack Description ■ Amber: A battery is charging. ■ Blue: A battery is close to full charge capacity. ■ 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: If the computer is plugged into an external power source, the light turns 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. Connects an AC adapter. Enables airflow to cool internal components. ✎ 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. Provides power to a USB device, such as an optional external MultiBay or an optional external optical drive, if used with a powered USB cable. Connects an external VGA monitor or projector. Connects a network cable. Maintenance and Service Guide 2-9

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External component identification
Maintenance and Service Guide
2–9
Left-side components
Item
Component
Description
(1)
Battery light
■
Amber: A battery is charging.
■
Blue: A battery is close to full charge capacity.
■
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: If the computer is plugged into an external power source, the light turns
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.
(2)
Power connector
Connects an AC adapter.
(3)
Vent
Enables airflow to cool internal components.
✎
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)
Powered USB port
Provides power to a USB device, such as an optional external MultiBay or an
optional external optical drive, if used with a powered USB cable.
(5)
DisplayPort
Connects an external VGA monitor or projector.
(6)
RJ-45 (network) jack
Connects a network cable.