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Turning on your system

After making sure that you have set up the system properly and connected 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, a series of power-on self-test (POST) messages appears. The POST messages indicate if the system is running properly or not.

Note: If the system does not turn on or boot after pressing the power button, go to the next section for the possible causes of the boot failure.

Aside from the POST messages, you can determine if the system is in good 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 keyboard light up

Power-on problems

If the system does not boot after you have applied power, check the following 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 the power cable socket on the rear panel. Make sure that the cable is properly connected to the power source and to the power cable socket.

No power comes from the grounded power outlet. Have an electrician check your power outlet.

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Acer R300 manual Turning on your system, Power-on problems