HP ProBook 4540s Getting Started HP Notebook - Page 21

Right - battery not charging

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Right NOTE: Refer to the illustration that most closely matches your computer. Component (1) (2) (3) (4) (5) (6) (7) USB 3.0 port USB 2.0 port Optical drive (select models only) Optical drive light (select models only) Optical drive eject button (select models only) Power connector AC adapter/battery light Description Connects an optional USB device. For more information about USB devices, see the HP Notebook Reference Guide. Connects an optional USB device. For more information about USB devices, see the HP Notebook Reference Guide. Reads an optical disc. NOTE: On select models, the optical drive also writes to an optical disc. ● On: The optical drive is being accessed. ● Off: The optical drive is idle. Releases the optical drive disc tray. Connects an AC adapter. ● 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. Right 13

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Right
NOTE:
Refer to the illustration that most closely matches your computer.
Component
Description
(1)
USB 3.0 port
Connects an optional USB device. For more information
about USB devices, see the
HP Notebook Reference
Guide
.
(2)
USB 2.0 port
Connects an optional USB device. For more information
about USB devices, see the
HP Notebook Reference
Guide
.
(3)
Optical drive (select models only)
Reads an optical disc.
NOTE:
On select models, the optical drive also writes to
an optical disc.
(4)
Optical drive light (select models only)
●
On: The optical drive is being accessed.
●
Off: The optical drive is idle.
(5)
Optical drive eject button (select models
only)
Releases the optical drive disc tray.
(6)
Power connector
Connects an AC adapter.
(7)
AC adapter/battery light
●
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.
Right
13