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Status LEDs
1-5
Table 1-1 Status LEDs
LED Appearance of LED System Status
Power LED Indicates system power state.
LED on continuously. System is Fully On.
LED flashing (once every 4 seconds). Suspend mode.
LED off System is off.
HDD Access
LED
Indicates when the system is accessing the built-in hard disk drive (HDD).
LED on. HDD is being accessed.
LED off. HDD is not being accessed.
Charge LED Indicates battery pack is charging. (Note that this LED flashes once when
external power is initially connected.)
LED on continuously. Fast Charge mode, 0 to 89% of
capacity.
LED flashing. (Flashes faster at 90%
capacity, slower at 99%.)
Slow Charge mode, 90-99% of
capacity.
LED off. Not Charging, external power is not
connected.
Low-Battery
LED
Indicates low charge condition of the battery pack. See “Low Battery Pack
Conditions” on page 2-3 for more information.
LED off. Good Battery, or external power
connected.
LED flashing slowly (1 second on, 1
second off).
Low Battery, approximately 15%
charge remaining.
LED flashing quickly (1/2 second on,
1/2 second off).
Very Low Battery, approximately 8%
charge remaining.
LED flashing very slowly
(once every 4 seconds).
Critically Low Battery, system forced to
suspend and cannot be resumed
unless external power is connected or
charged battery pack is installed.