Problem

A Mac OS user is having problems related to their internal storage disk and wish to attempt to fix it.

Applies to

1. Mac OS
   

Resolution

1. Click Finder icon on the dock.
   
2. Click Applications in the Finder side bar.
   
3. Then open Utilities > Disk Utility.
4. Then click Macintosh HD in the side bar, if more than one instance of Macintosh HD is shown click the topmost.
   
5. Then click the First Aid button in the toolbar in the window.
6. Click Run button when the prompt appears.
   
7. If a warning dialogue appears stating that the computer may stop responding click Continue button. 

Note

For customers who have renamed their main work drive, click on the name of that drive before choosing First Aid button.