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
1
Battery
Green
The battery is fully charged.
Blinking green
The battery has enough power to operate but is charging.
Orange
The battery power is low. The battery is charging.
Blinking orange
The battery needs to be charged. When the indicator starts blinking orange, the computer beeps three times.
2
Standby status
Green
The computer is in standby mode.
Blinking orange
The computer is entering standby mode or hibernation mode, or is resuming normal operation. This indicator does not blink in Windows 98, Windows 2000 and Windows Me.
3
Drive in use
Green
Data is being read from or written to the hard-disk drive. 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.
4
Num lock
Green
The numeric keypad on the keyboard is enabled. To enable or disable the keypad, press and hold the Fn key while pressing the NumLk key.
5
Caps lock
Green
Caps Lock mode is enabled. To enable or disable Caps Lock mode, press Fn + Caps Lock key.
6
Scroll lock
Green
Scroll Lock mode is enabled. Arrow keys can be used as screen-scroll function keys, but not to move the cursor. To enable or disable Scroll Lock mode, press Fn + ScrLk key. Not all application programs support this function.
7
Power on
Green
This indicator stays lighted whenever the computer is on. If the power-on indicator is on and the standby indicator is off, the system is ready to use. If both the power-on indicator and the standby indicator are on, you can use the computer after it returns from the standby mode and the standby indicator goes off.
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