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Desktops :: Disk Repair - Volume Structure Failed. So now I pretty much can't do anything with it. I tried to boot into safe mode and get this: I had to reboot again, and eventually my hard disk no longer appears in Disk Utility. 'Repair volume failed with error could not unmount disk' It wouldn't let me repair the disk as I kept getting this error: I booted off the Tiger DVD and ran disk utility to fix and repair permissions again. Eventually it wouldn't get past the white apple screen.
I checked file permissions, rebooted and it just kept on getting slower. Today my 12" G4 powerbook started to become slow, lots of spinning wheel, delayed menus etc. PowerPC :: Hard Drive Not Working / Repair Volume Failed Could Not Unmount Disk Jul 17, 2009