Apple 3400 Series Laptop User Manual


 
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The computer made a sound, but you can’t see anything on the screen.
Adjust the brightness control (marked with the icon ¤) until an image
appears and the screen is easy to read.
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You see a picture of a disk with a blinking question mark on the screen.
This icon usually means that the computer can’t find system software on
the hard disk or any disks attached to the computer. You may need to
reinstall system software. See “Reinstalling System Software” in Chapter 8.
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Brightness control
16
Chapter 1