when you turn off the computer and leave it connected to ac power, the computer can respond to requests, such as a remote request 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 the computer through 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. see “shutting down the operating system” on page 18.

    2 you can press the power-control button on the front of the computer to start an orderly shutdown of the operating system and turn off the computer, if your operating system supports this feature.

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

    3 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.