Lenovo B570, V570 manual Indicator Meaning, Blinking white, Off, Flashing white

Lenovo V570/B570 Hardware Maintenance Manual

Table 2. Status indicators

Indicator	Meaning
a Caps lock	White: Caps 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 CapsLk key.
b Num lock	White: The separate numeric keypad on the keyboard is
	enabled. To enable or disable the numeric keypad,
	press the Num Lock key.

cDrive in use White: Data is being read from or written to the hard disk drive, or the optical 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 white drive-in-use light is on. Sudden physical shock could cause drive errors.

dAPS status White: When your computer is subjected to shock or

		excessive vibration, the shock sensor in the computer
		detects the condition and stops the hard disk drive
		until the environment is stable again.
e Power on	White: System is enabled.
	Blinking white:
		System is in sleep mode.
	off:	System is in hibernate mode or shut down.
f Battery	Blinking amber: (500ms off/1s on)
status		The remaining power of the battery is less than 5% of
		its capacity.
	Blinking amber: (100ms off/3.2s on)
		The battery is being charged with the remaining
		power between 5% and 20% of its capacity.
	Amber: The computer is operating on battery power with the
		remaining power between 5% and 20% of its
		capacity.
	Blinking white:
		The battery is being charged with the remaining
		power between 20% and 80% of its capacity.
	White: The remaining power of the battery is more than 80%
		of its capacity, or the computer is operating on
		battery power with the remaining power between
		20% and 80% of its capacity.
g Wireless	White: The wireless LAN radio is turned on and connected
status		to AP.
	Blinking white:
		The wireless LAN is switched on and the radio of it
		is also turned off, or the wireless LAN radio is turned
		on and not connected to AP.
	Flashing white:
		The wireless LAN radio is turned on and data is
		being transmitted.

Off: The wireless LAN is switched off and the radio of it is also turned off.

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