How to: Run First Aid on your Mac


Introduction

Open Disk Utility. Pick the disk and click First Aid. Click Run.

Instructions

1) Open Disk Utility. One way to do this is by going to Spotlight (the magnifying glass) and searching for Disk Utility.

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2) Click the disk that you wish to repair. Then, click the First Aid button.

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3) Click Run on the window that pops up.

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4) If you are checking the startup volume, you may receive a warning. You can safely click Continue on this warning. However, be aware of the information presented. You may lose access to the Mac for a few minutes or several hours while the check runs.

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5) Wait while First Aid runs.

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OUTCOME

After the repair is complete, review the results. You can click Done to close the First Aid window.

The operating system should run more efficiently.

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