Power-Status Indicators - Lenovo ThinkPad X300 Series User Manual

Power-status indicators

The computer has status indicators that show the mode (sleep/standby, hibernation,
or normal), AC power status, and the status of the battery. The following shows the
location and the meaning of the indicators:
1. Sleep (standby in Windows® XP) status
Green: The computer is in sleep (standby) mode.
Blinking green: The computer is entering sleep (standby) or hibernation
mode, or is resuming normal operation.
2. Status of AC power
Green: The AC adapter is connected and the computer is operating on AC
power. If a battery is installed on the computer, it is charged when this
indicator is green.
Off: The computer is operating on battery power.