Running Disk Utilities from the disk you're trying to repair does not work well. It's kind of like working on a car engine while driving down the road. Start up from your system installation disk. Go to the second page pull down menu to Utilities - Disk Utilitiy and see if you can repair the drive.
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UPDATE:
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here's how to replace it: http://www.ifixit.com/Guide/Repair/Installing-PowerBook-G4-Aluminum-17-Inch-1-1-67-GHz-Hard-Drive-Replacement/246/1
Start up from your system installation disk. Go to the second page pull down menu to Utilities - Disk Utilitiy and see if you can repair the drive.
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Running Disk Utilities from the disk you're trying to repair does not work well. It's kind of like working on a car engine while driving down the road. Start up from your system installation disk. Go to the second page pull down menu to Utilities - Disk Utilitiy and see if you can repair the drive.