Introduction

First Aid is a great tool for helping fix various issues relating to replacing parts on a Mac.

Image 1/2: '''Pro Tip: '''Take the shortcut and use Spotlight. ''(This method is used in this guide)'' Image 2/2: '''Pro Tip: '''Take the shortcut and use Spotlight. ''(This method is used in this guide)''
  • Open Disk Utilities, which can be found in the Applications folder under Utilities

    • Pro Tip: Take the shortcut and use Spotlight. (This method is used in this guide)

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Image 1/1: Select the name of your Mac OS X Startup disk in the left column.
  • Once opened, a window will appear like in the picture.

    • Select the name of your Mac OS X Startup disk in the left column.

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Image 1/2: A dialogue box will appear asking if you would like to run First Aid. Image 2/2: Click "Run".
  • Click on the First Aid button at the top of the window.

  • A dialogue box will appear asking if you would like to run First Aid.

    • Click "Run".

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Image 1/2: Patience is key here. Image 2/2: Once completed, click done.
  • This procedure will take a few minutes to complete. The machine may freeze up, or lock up during this procedure.

    • Patience is key here.

  • Once completed, click done.

    • Pro Tip: To see any errors that First Aid found, click on the arrow next to 'Show Details'.

Hi, I've run disc First Aid twice now, and it still says it found corruption that needs to be repaired. To repair the startup volume, run First Aid from Recovery, but I don't know how to do that. Can you tell me where to go from here?

Johanna Braat - Reply

Conclusion

Close Disk Utility, and the internal drive should be ready to go.

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Mike

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