I have a 2009 320GB Toshiba Hard Drive, and every time I plug it to my macbook pro 13inch Retina, I have to go to Disk Utility -> Repair Disk.

Why is that? Whats the solution? Please help!!! Thanks

  • Do you disconnect it without first putting it away? [select, Cmd/E]
    – Tetsujin
    Commented Nov 26, 2014 at 4:26

1 Answer 1


Try ejecting the external drive before you unplug it. You can either use the Eject icon or use Command + E when its selected int he Finder as mentioned by Tetsujin.

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