About Your Com pute r 25P o w e r B u t t o n F u n c t i o n s f o r M i c r o s o f t W i n d o w s N T ®If the computer does not turn off when you press the power button, thecomputer may be hung. Press and hold the power button until thecomputer turns off completely (this process may take several seconds). Ifthe computer is hung and the power button fails to function properly,unplug the AC power cable from the computer, wait for it to completelystop running, and plug in the AC power cable. If the computer does notrestart, press the power button to restart the computer.Power LightThe power light illuminates in two colors and blinks or remains solid toindicate different states (normal and nonnormal). The following are normallights:• No light — computer is in the off state (S4, S5, or mechanical OFF)• Steady green — normal operating state• Blinking green — low-power state (S1 or S3)*Pressing or holding the power button to shut down the computer may result in dataloss. Use the power button to shut down the computer only if the operating system isnot responding.Action ResultsComputerTurned OnComputer Turned OffPress power button Computer shutsdownBoots and computer turnsonHold power button for 6 seconds* Computer turnsoffBoots and computer turnson*Pressing or holding the power button to shut down the computer may result in dataloss. Use the power button to shut down the computer only if the operating system isnot responding.
