Lenovo X230 - Manual (Page 26)

System-status indicators
1 Wireless LAN/WAN/WiMAX/Bluetooth status indicator
• Green: The wireless LAN, WAN, Bluetooth or WiMAX feature is on.
• Off: Wireless network devices are disabled or the wireless radio is turned off.
2 Device access status indicator
The hard disk drive, solid state drive, or mSATA solid state drive is reading or writing data.
Note: When this indicator is blinking, do not put the computer into sleep mode, remove the drive, or turn
off the computer.
3 Power on status indicator
The power button stays lit whenever the computer is on, blinks when the computer is in sleep mode, and
is off when the computer is turned off.
Power status indicators
8 User Guide