(Power) button on the keyboard. Pressing this button causes the system to perform a shutdown but does not give you any of the other options available on the Windows® Shut Down menu.
About the Power Switch
If your system �locks up� or �crashes,� press and hold the power switch for four seconds to force your system to power off. You may need to repeat this procedure. See �Locating Controls and Connectors� on page 5 for the power switch�s location.