when you turn off the computer and leave it connected to ac power, the computer can respond to remote requests to turn on the computer. to remove all power from the computer, you must disconnect it from the power source.

    some operating systems require an orderly shutdown before you turn off the computer. see your operating-system documentation for information about shutting down the operating system.

    statement 5

    the power-control button on the device and the power switch on the power supply do not turn off the electrical current supplied to the device. the device also might have more than one power cord. to remove all electrical current from the device, ensure that all power cords are disconnected from the power source.

    the computer can be turned off in any of the following ways:

    1 you can turn off your computer from the operating system. if this feature is supported by your operating system, it will turn off the computer after performing an orderly shutdown of the operating system.

    to turn off the computer from the microsoft windows xp operating system, click start → turn off computer; then, select turn off.

    2 you can press the power-control button on the front of the computer. if this feature is supported by your operating system, it will turn off the computer after performing an orderly shutdown of the operating system.

    after turning off the computer, wait at least 5 seconds before you press the power-control button to turn on the computer again.

    1 you can press and hold the power-control button for more than 4 seconds to cause an immediate shutdown of the computer. you can use this feature to turn off the computer if the operating system stops functioning.

    2 the computer can turn itself off as an automatic response to a critical system failure.