Hello,
i was just checking my harddisk using Disk Utility (Applications –> Utilities –> Disk Utility) as it reports some problems on it. As i have my Apple Installation Medium at work, i had to solve that without that help.

So the main idea was booting my MacBookPro into single-user mode and repairing it by hand.

Step by Step:

  • Reboot your Mac. Hold “Command + S” pressed until your Mac has booted into command-line (Single-User Mode)
  • Enter the following command to start FSCK: fsck -yf
  • Wait until FSCK finished the repair (can take some minutes)
  • Then do one of the next 2 things:
    • Reboot using the following command: reboot
    • Shutdown using the following command: shutdown -h now
  • Finally fell happy with your fixed harddrive

You can run FSCK from time to time to check your filesystem just for testing issues.
Read more about Disk-Problems, Disk Utility and other tools/commands in the following Apple article.

Best regards
fidel

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One Response to “Repairing disk-problems mentioned in Disk-Utility”
  1. [...] Hierzu von der Installations-CD starten, zu Disk-Utility wechseln und Dateisystem prüfen bzw. ggf reparieren selektieren. Alternativ kann man auch aus dem Single-User-Modus heraus den Konsolen Befehl fsck verwenden. Informationen hierzu hier. [...]

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