HP ProBook 4230s Notebook PC - Manual (Page 18)

Right
Component Description
(1) AC adapter light ● White: The computer is connected to external power
and the battery is 90 to 99% charged.
● Amber: The computer is connected to external power
and the battery is 0 to 90% charged.
● 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.
NOTE: 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) USB 2.0 powered/charging port Connects optional USB devices.
(3) USB port Connects optional USB devices.
(4) RJ-45 (network) jack Connects a network cable.
(5) Power connector Connects an AC adapter.
8 Chapter 2 Getting to know your computer