Indicator Meaning
2 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.
3 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.
4 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.
5 Scroll lock
Green: Scroll Lock mode is enabled. The
Arrow keys can be used as
screen-scroll function keys. The
cursor cannot be moved with the
Arrow keys. Not all application
programs support this function. To
enable or disable Scroll Lock mode,
press the ScrLk key.
6 Caps lock
Green: Caps Lock mode is enabled. To
enable or disable Caps Lock mode,
press the Caps Lock key.
7 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.
8 Drive in
use
Green: Data is being read from or written to
the hard-disk drive, the diskette 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.
(continued)
Product overview
ThinkPad X30, X31 51
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