starting the system

    1. set the power switches of the attached devices to on.

    when the system is plugged in but not powered on, the power-on led flashes slowly.

    2. if the led is not flashing and ok in not displayed, ensure that the power cord, located at the back of the system unit, is plugged into a grounded electrical outlet.

    3. if this does not solve the problem, go to chapter 8, “hardware problem determination” on page 159.

    4. press the power-on button.

    when you press the power-on button, the power-on led comes on, and the system starts a post (power-on self test).

    during post, progress codes display in the operator panel display.

    5. if the power-on led does not come on and there is no indication of power when you press the power-on button, go to chapter 8, “hardware problem determination” on page 159.

    stopping the system unit

    when you use the shutdown procedure for your system, follow the correct shutdown procedure before you stop the system. failure to do so can result in loss of data. the system is powered down by the shutdown procedure.

    1. at the command line, type shutdown to stop the operating system.

    2. after you shut down the operating system, set the power switches of attached devices to off.

    3. if you will be servicing the system, unplug the system-unit power cable from the electrical outlet.