Lenovo S230U, 33472YU manual Indicator, Meaning

Table 7. Status indicators (continued)

Indicator		Meaning
	System status indicator	The illuminated dot in the ThinkPad logo works as a system status indicator: it
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		shows whether the computer is in sleep, hibernation, or normal mode.
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		•	Red: The computer is on (in normal mode).
		•	Fast blinking red: The computer is entering hibernation mode.

•Slow blinking red: The computer is in sleep mode.

•Off: The computer is off or in hibernation mode.

42Hardware Maintenance Manual