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Status indicators - ThinkPad A21e (2628), A21m/p, A22m/p

indicator view

The system LED status indicators show the current computer status in different colors as listed in the table below:

Index number
LED indicator
LED indicator color
LED indicator meaning
1BatteryGreenThis indicator displays green when the battery is in use and the battery has enough power. It also displays green when the AC adapter has charged the battery completely.
Blinking greenThis indicator blinks when the battery is being charged yet still has enough power to operate. At regular intervals, the indicator light turns off briefly.
OrangeThis indicator displays orange when the battery is being charged, but the battery power is still low.
Blinking orangeThe battery needs charging.
2Standby statusGreenThe computer is in standby mode.
Blinking greenThe computer is entering standby mode or hibernation mode, or is resuming normal operation.
3Drive in useGreenData is read from or written to the hard-disk drive, the diskette drive, or the drive in the Ultrabay 2000.
4Num lockGreen

The numeric keypad on the keyboard is enabled. To enable or disable the keypad, press and hold the Shift key, and then press the NumLk (ScrLk) key.

5Caps lockGreenCaps Lock mode is enabled. You can enter all alphabetic characters (A-Z) in uppercase without pressing the Shift key. To enable or disable Caps Lock mode, press the Caps Lock key.
6Scroll lockGreenScroll 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.
7Power onGreenThe computer is on and ready to use. This indicator stays lighted even when the computer is in standby mode.


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Document ID : PD012262
Legacy Document ID : MIGR-4PD4NF
Last Updated :
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