System status indicators
The illuminated dot in the ThinkPad logo on the outer lid of your computer and on the palm rest works as a system status indicator.
Note: Your computer keyboard might look different from the illustration above.
The meaning of the indicator is as follows:
•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.
Power status indicator
Your computer has an indicator that shows the status of ac power.
8User Guide