Full Answer
How to repair a disk using Disk Utility in Mac?
Way 1: Repair Disk Errors with Disk Utility in Mac Recovery Mode
- Get to Disk Utility on Mac startup. Start Mac in recovery mode and you could see four options that it provides to resolve hardware or software issues. ...
- Choose the disk you need to repair. In the left pane, there lists the Mac startup disk and other connected drives. ...
- Run First Aid to check and repair disk errors.
How do I open disk utility on a Mac?
There are two ways by which you may access the Disk Utility on your Mac:
- Start by opening a Finder window.
- Click on the Applications option in the left window.
- Find the Utilities folder by scrolling down.
- Find Disk Utility and click on it.
How to boot Mac to Disk Utility?
Reformatting Mac Startup Disk using Disk Utility
- Boot your Mac into Recovery Mode.
- Open Disk Utility from the macOS Utilities or Mac OS X Utilities window.
- Select your Mac's corrupted/failed internal drive (Macintosh HD or Apple SSD) from the left pane and click Erase on the top of the Disk Utility window.
- Choose a format and rename the drive as Macintosh HD in the pop-up window that appears.
How do I repair my Mac startup disk?
In that case, follow these steps:
- Shut down your Mac, then unplug all nonessential devices from your Mac.
- If you're repairing an external drive, make sure that it's connected directly to your Mac using a cable that you know is good. ...
- If your disk still doesn't appear in Disk Utility, your Mac might need service. If you need help, please contact Apple Support.
How do I fix a corrupted Mac disk?
How to Fix a Corrupted Hard Drive on a MacRepair the Corrupted Hard Drive Using Disk Utility. ... Initiate the FSCK Command. ... Try Free Software to Recover Mac Hard Drive Data. ... Recover from a Time Machine backup drive. ... Hire a hard drive recovery service for Mac. ... 🔌 Shut Down Your Mac Safely. ... ⚡ Prevent Spills and Exposure.More items...•
How do I restore Disk Utility on a Mac?
In the Disk Utility app on your Mac, choose View > Show All Devices. If Disk Utility isn't open, click the Launchpad icon in the Dock, type Disk Utility in the Search field, then click the Disk Utility icon . In the sidebar, select the volume you want to restore, then click the Restore button .
How do I repair my Mac without Disk Utility?
Steps to repair Mac external hard drive by using single-user mode are as follows:Start or restart your Mac then promptly press and hold Command + S keys.Release the keys once you see white text. ... On the prompt, type fsck_hfs –y /dev/disk4s1 and hit Return.Check the message provided by the fsck command.More items...•
How do I do a system repair on my Mac?
Restart your Mac, and press Command + R, while it's restarting. Select Disk Utility from the macOS Utilities menu. Once Disk Utility has loaded, choose the disk you wish to repair - the default name for your system partition is generally "Macintosh HD", and choose 'Repair Disk'.
How do I reinstall Mac without startup disk?
Shut down your Mac. Hold down Option/Alt and press the Power button. The startup device list window should appear displaying a yellow drive with Install (software name) below it. Select it and press Return.
What happens if I delete Macintosh HD data?
Here erasing the startup disk means erasing the Macintosh HD volume. Erasing Macintosh HD creates a clean and stable environment for reinstalling macOS. It frees up enough storage space on Macintosh HD for the upcoming operating system.
How do I force my Mac to start in Safe Mode?
Turn on or restart your Mac, then immediately press and hold the Shift key until you see the login window. Log in to your Mac. You might be asked to log in again. On either the first or second login window, you should see “Safe Boot” in the menu bar.
How do I restore my Mac in recovery mode?
0:151:21Mac OSX: How To Open in Recovery Mode - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd you want to erase your hard drive here is how to open your mac in recovery mode first you pressMoreAnd you want to erase your hard drive here is how to open your mac in recovery mode first you press the power button then you immediately press the command key in the r. Key you hold these two
Why can't I find Disk Utility on Mac?
Although the utility is used to manage a crucial hardware component, you won't find it in the system preferences. Instead, you'll find Disk Utility tucked away in the applications folder on your Mac.
Can't see Macintosh HD Disk Utility?
How to fix Macintosh HD not mounted in Disk Utility?Boot your Mac into macOS Recovery Mode. ... Select Disk Utility from the macOS Utilities menu and click Continue.Select the unmounted Mac HD from the left-hand panel.Click First Aid on the top of the window and wait while it verifies and repairs errors.
What is Command R on Mac?
Command (⌘)-R: Start up from the built-in macOS Recovery system. Or use Option-Command-R or Shift-Option-Command-R to start up from macOS Recovery over the internet. macOS Recovery installs different versions of macOS, depending on the key combination you use.