How to Run First Aid on Mac?

Repair a Storage Device in Disk Utility on Mac

In the Disk Utility app on your Mac, choose View > Show All Devices.
In the sidebar, select a volume, then click the First Aid button .
In the First Aid dialog, click Run, then follow the onscreen instructions.
When the First Aid process is complete, click Done.

When should I Run First Aid on my Mac?

If your computer is crashing frequently, displaying cryptic error messages, or exhibiting unusual behavior, you can use First Aid as a first step to check for defects and, in many cases, repair them. If, however, your volume has suffered severe corruption, you may need to use other utility programs or repair methods.

What Happens when you Run First Aid on Mac?

Use the First Aid feature of Disk Utility to find and repair disk errors. Disk Utility can find and repair errors related to the formatting and directory structure of a Mac disk. Errors can lead to unexpected behavior when using your Mac, and significant errors might even prevent your Mac from starting up completely.

How do I Run Disk Utility in Safe Mode Mac?

Press and hold the power button for at least 10 seconds, until your Mac displays the startup options window. Select your startup disk , then press and hold the Shift key. Click Continue in Safe Mode or press Return.

Disk Utility First Aid is Stuck Won't Quit

Press COMMANDOPTIONESC to open the task manager . Select Disk Utility from the list of running tasks then click on the Force Quit button.
CTRL or RIGHTclick on the Disk Utility icon on the Dock. Select Force Quit from the context menu.
Open Activity Monitor.

How do I Turn off First Aid on Mac?

Sometimes, the First Aid running process shows no changes as time goes by. That indicates Disk Utility First Aid may be frozen. You can force quit it by clicking the Apple menu and selecting Force Quit or press and hold the CommandOptionEsc combos the equivalent of CtrlAltDelete on Mac. Then, run it once again.

How Long does First Aid Take on a Mac?

Repairing a healthy disk on your Mac only takes about five minutes. But if your disk is damaged or corrupt in any way, carrying out First Aid on it could take a couple of hours instead.

How do I Exit Disk Utility on Mac?

Click Disk Utility when in macOS Recovery.
Click Continue.
Click on your Macs startup drive in the Disk Utility sidebar.
Click First Aid.
Click Run.
Click Done.
Click Disk Utility in the Menu bar .
Click Quit Disk Utility.

How Long does it Take to Run First Aid on Macbook Pro?

Select a volume, container, or disk from the sidebar in Disk Utility.
At the top of the Disk Utility, click the First Aid button and choose to Run it.

How to Run Disk Utility First Aid to Repair Disks on Mac

Usually, running Mac First Aid will require no more than five minutes. If there are no errors found on the target disk or volume, less time will use.

How Long does MacOS Recovery Take?

5 After your Mac has connected to the WiFi network , itll download a recovery system image from Apples servers and start from it, giving you access to the recovery tools. Depending on your Internet connection, this may take anywhere from a couple of minutes to up to an hour or longer.

How to Repair a Mac Disk with Disk Utility

Use the First Aid feature of Disk Utility to find and repair disk errors. Disk Utility can find and repair errors related to the formatting and directory structure of a Mac disk . Errors can lead to unexpected behavior when using your Mac, and significant errors might even prevent your Mac from starting up completely.