How to Change a Macbook S.M.A.R.T. Status (6 Steps)

Doucle-click on the 'Macintosh HD' icon from the desktop and then double-click on the 'Applications' folder. Double-click on the 'Utilities' folder.
Double-click on the 'Disk Utility' icon. Click on the main hard drive icon in the left navigation pane.
Look for the 'S.M.A.R.T. Status' field near the bottom of the bottom of the pop-up screen. If the status reads, 'Verified,' then you don't need to change anything, but if it says, 'Failed,' continue to Step 4.
Click on the 'Repair Disk' button and allow for the repair to complete. If the S.M.A.R.T. still reads, 'Failed,' you must restore your hard drive.
Back up all of your computers files to an external hard drive. Go back to the 'Disk Utility' pop-up screen after you've backed up all of your files.
Click your drive again and then click on the 'Erase' tab. Follow the directions to erase your hard drive and then click the 'Erase' button. You hard drive should now be as good as new, and you can check the S.M.A.R.T. status again to make sure it reads, 'Verified.'
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