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Home > FAQ About PowerBook Machines > PowerBook G3 Support > PowerBook G3 Series: Makes an Unusual Sound at Startup, or you see a Sad Macintosh Icon
PowerBook G3 Series: Makes an Unusual Sound at Startup, or you see a Sad Macintosh Icon

PowerBook G3 Series: Makes an Unusual Sound at Startup, or you see a Sad Macintosh Icon

If you hear the sound of breaking glass when you turn on the computer or you see a sad Macintosh icon, start up the computer with the PowerBook CD that came with your computer. If the computer does not start up, or if the hard disk icon does not appear, the hard disk may need repair. Contact an Apple-authorized service provider or call the AppleCare Contact Center. There may be a problem with the information stored in the area called parameter RAM (PRAM).

Reset the PRAM (also called zapping the PRAM). Resetting the PRAM erases the contents of your RAM disk, if you have one. Resetting the PRAM also restores the default settings in most control panels. After you reset the PRAM, be sure to check any custom settings you made for the desktop pattern, memory, network, AppleTalk, trackpad, power conservation, and so forth. Resetting the PRAM also resets the power manager.

Follow these steps to reset the PRAM:

1. Locate the keys Command, Option, P, and R.

2. Make sure the Caps Lock key is not down.

3. Restart your Macintosh (using the Command, Control, and Power keys or the reset button, if necessary). Immediately after hearing the startup sound, press the Command, Option, P, and R keys simultaneously. If you don't hold down the key combination within 5 and 10 seconds after you restart, you may need to repeat steps 1 through 3.

4. Hold down the keys until you hear the startup sound again.

5. If the computer shuts itself off, press the Power key to turn it back on.

6. When the computer has finished starting up, restore any custom control panel and network settings.

If nothing happens after you reset the PRAM, there may be a problem with a RAM expansion card. If you installed a RAM expansion card in your computer, make sure the card is properly installed. If you purchased an expansion card from a third-party manufacturer, contact the manufacturer for help.

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