Trouble?

nThe computer made a sound, but you can’t see anything on the screen.

Adjust the brightness and contrast controls until an image appears and the screen is easy to read. (Some models do not have control buttons to manually adjust the contrast. In these cases, just the brightness controls appear.)

Contrast

Brightness

nNothing happened when you pressed the Power On key.

Make sure the power adapter is firmly connected to both the computer and a power source. If the power adapter is plugged into a power strip, make sure the power strip is plugged in and turned on. Then try pressing the Power On key again.

If you still get no results, press the power button on the back of the computer.

Power button

If neither the Power On key nor the power button turns the computer on, the service and support information in the reference section of this book explains how to get help.

Chapter 1: Setting Up Your PowerBook Duo 5

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Apple Duo 270C manual Nothing happened when you pressed the Power On key, Power button