21Turning off the systemTo turn off the server, on the Windows task bar click on the Startbutton, point to Shut Down..., select Shut down from the drop-down window then click on OK. You can then turn off all peripheralsconnected to your server.If you are unable to shutdown the server within Windows, press andhold the power button for at least four seconds to force quit allapplications and shut down.Power-on problemsIf the system does not boot after you have applied power, check thefollowing factors that might have caused the boot failure.• The external power cable may be loosely connected.Check the power cable connection from the power source to thepower cable socket on the rear panel. Make sure that the cable isproperly connected to the power source and to the power cablesocket.• No power comes from the grounded power outlet.Have an electrician check your power outlet.• Loose or improperly connected internal power cables.Check the internal cable connections. If you are not confident toperform this step, ask a qualified technician to assist you.Warning! Make sure all power cords are disconnected fromthe electrical outlet before performing this task.Note: If you have gone through the preceding actions and thesystem still fails to boot, ask your dealer or a qualified technicianfor assistance.
