mIf you see a blinking question mark on your screen, you need to install system software on the computer’s hard disk. System software includes the programs the computer uses to start itself up. Continue with the section “Installing System Software.”

mIf you see the Macintosh desktop on your screen, the computer is ready to use. You do not need to install system software. Continue with the section “What to Do Next.”

Trouble?

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

Adjust the brightness control (marked with the icon Û) and the contrast control (O) until an image appears and the screen is easy to read.

Contrast control

Brightness control

mNothing happened when you pressed the power button.

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 button again.

Chapter 1: Setting Up Your Macintosh PowerBook 5

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Apple 145 manual Trouble?, Contrast control Brightness control