Lenovo ThinkPad T430u User Manual page 24

Device access indicator
The device access indicator is located adjacent to the power button of the computer.
The meaning of the indicator is as follows:
• Blinking green: The storage device is being accessed.
• Off: The storage device is not in operation.
ac power status indicator
Your computer has an indicator that shows the status of ac power.
The meaning of the indicator is as follows:
• Green: The ac power adapter is connected.
• Off: The ac power adapter is not connected.
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User Guide