3.To turn on the computer, press the POWER button on the front of the main unit.

The power indicator on the front panel lights up and the cooling fan inside the main unit starts. After a few seconds, the computer begins to perform an internal self test.

If you cannot see the screen display clearly, use the controls on your monitor to adjust the brightness and contrast until the characters on the screen are clear and bright. If the display is not stable, check your monitor’s horizontal and vertical hold controls.

Initial screen display

After the computer completes its self test, a message tells you how much RAM is available:

640KB OK

1-12

Setting Up Your System