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Power
Switching Between Battery and External
Power
The notebook switches between external power and battery
power according to the availability of external power. To
conserve the charge in an inserted battery pack, the notebook
runs on external power whenever external power is available.
External power can be supplied from an electrical outlet through
an AC adapter or an optional DC cable.
If the notebook contains a charged battery pack and is running
on external power, the notebook switches to battery power only
if the AC adapter or DC cable is disconnected from the
notebook.
The Power Meter icon in the system tray changes shape
whenever the power source changes between battery power and
external power.
Charging a Battery Pack
The battery pack charges whenever the notebook is connected to
external power through an AC adapter or an optional DC cable.
The battery pack charges whether the notebook is turned off or
turned on, but charges most quickly when the notebook is turned
off. When the notebook is turned on, charging times are longer
and vary with system activity.
The battery light displays charge status:
On and orange: the battery pack is charging.
On and green: the battery pack is fully charged.
Flashing the battery pack is malfunctioning and may need to
be replaced
Startup and Reference Guide––Part 2 4-11