What are the LED status inidcators (lights) on the LCD? - ThinkPad X41 Tablet
The following table shows what the LED status indicators are for and what the different colors or blinking of the lights mean.
LED indicator color
LED indicator meaning
The wireless feature is on, and the radio link is ready for use. This indicator is on when the data is transmitted.
Bluetooth is operational. This indicator is on when the Bluetooth is on and not in suspend mode.
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.
Caps Lock mode is enabled. To enable or disable Caps Lock mode, press the Caps Lock 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 Slim 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.
The computer is on and ready to use. This indicator stays lit whenever the computer is on and is not in standby 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.