27Turning on your systemAfter making sure that you have set up the system properly andconnected all the required cables, you can now power on your system.To power on the system, press the power button on the front panel.The system starts up and displays a welcome message. After that, aseries of power-on self-test (POST) messages appears. The POSTmessages indicate if the system is running properly or not.Note: If the system does not turn on or boot after pressing thepower button, go to the next section for the possible causes of theboot failure.Aside from the POST messages, you can determine if the system is ingood condition by checking if the following occurred:• Power indicator on the front panel lights up (green)• Num Lock, Caps Lock, and Scroll Lock indicators on the keyboardlight upPower-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.
