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Indicator Meaning
3 Num lock
Green: The numeric keypad on the
keyboard is enabled. To enable or
disable the keypad, press and hold
the Shift key, and press the NumLk
(ScrLk) key.
4 Caps lock
Green: Caps Lock mode is enabled. To
enable or disable Caps Lock mode,
press the Caps Lock key.
5 Drive in
use
Green: Data is being read from or written
to the hard disk drive, or the drive
in the Ultrabay device. When this
indicator is on, do not put the
computer into standby mode or
turn off the computer.
Note:
Do not move the system while the
Green drive in use light is on. Sudden physical
shock could cause drive errors.
6 Power on
Green: The computer is on and ready to
use. This indicator stays lit
whenever the computer is on and
is not in standby mode.
7 Battery
status
Green: The battery is in use and has
enough power. The ac adapter has
charged the battery completely.
Blinking green:
The battery is being charged, but
still has enough power to operate.
(At regular intervals, the indicator
light turns off briefly.)
Orange: The battery is being charged, but
the battery power is still low.
Blinking orange:
The battery needs to be charged.
When the indicator starts blinking
orange, the computer beeps three
times.
8 Standby
status
Green: The computer is in standby mode.
Blinking green:
The computer is entering standby
mode or hibernation mode, or is
resuming normal operation.
Product overview
54 MT1864/1865/2525/2526/2527/2528