The system LED status indicators show the current computer status in different colors as listed in the table below:
LED indicator color
LED indicator meaning
The Bluetooth is operational. This indicator is on when the Bluetooth is on and not in suspend mode.
The battery is in use and has enough power. The ac adapter has charged the battery completely.
The battery is being charged, but still has enough power to operate. (At regular intervals, the indicator light turns off briefly.)
The battery is being charged, but the battery power is still low.
The battery needs to be charged. When the indicator starts blinking orange, the computer beeps three times.
The computer is in standby mode.
The computer is entering standby mode or hibernation mode, or is resuming normal operation.
The computer is on and ready to use. This indicator stays lit whenever the computer is on and is not in standby mode.
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.
Caps Lock mode is enabled. To enable or disable Caps Lock mode, press the Caps Lock key.
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.
Drive in use
Data is being read from or written to the hard-disk drive, the diskette drive, or the drive in the Ultrabay 2000. 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.
An Ultrabay 2000 device is installed and in use.
An Ultrabay 2000 device is in the process of being detached. Turn off: An Ultrabay 2000 device is ready to be attached or detached.
NOTE: If you are using Windows 2000, the Ultrabay status indicator does not blink while an Ultrabay 2000 device is being detached. Instead, a message box pops up when the process is completed; then the indicator turns off.