Arial font family download mac. Erasing your disk: For most reasons to erase, including when reformatting a disk or selling, giving away, or trading in your Mac, you should erase your entire disk.
Disk repair mac free download - Mac Free Disk Partition Recovery, Disk Drill, Disk Inventory X, and many more programs. Since 1998, DiskWarrior has won more awards than any other Mac disk utility. A Macworld Eddy, an Apple Design Award, a PC Mag Editors' Choice Award, a MacUser Magazine Editors' Choice Award and many more from around the world. Check out our Awards and Reviews. Developed just for Mac. The Repair Privileges utility restores the privileges of Mac OS X system files and Apple-installed software to their default configuration. All previous. Repair a storage device in Disk Utility on Mac. Disk Utility can fix certain disk problems—for example, multiple apps quit unexpectedly, a file is corrupted, an external device doesn’t work properly, or your computer won’t start up. Disk Utility can’t detect or repair all problems that a disk may have.
Erasing a volume on your disk: In other cases, such as when your disk contains multiple volumes (or partitions) and you don't want to erase them all, you can erase specific volumes on the disk.
Erasing a disk or volume permanently deletes all of its files. Before continuing, make sure that you have a backup of any files that you want to keep.
How to erase your disk
Start up from macOS Recovery. Then select Disk Utility from the Utilities window and click Continue. If you're not erasing the disk your Mac started up from, you don't need to start up from macOS Recovery: just open Disk Utility from the Utilities folder of your Applications folder.
Choose View > Show All Devices from the menu bar in Disk Utility. The sidebar now shows your disks (devices) and any containers and volumes within them. The disk your Mac started up from is at the top of the list. In this example, Apple SSD is the startup disk:
Select the disk that you want to erase. Don't see your disk?
Click Erase, then complete these items:
Name: Type the name that you want the disk to have after you erase it.
Format: Choose APFS or Mac OS Extended (Journaled). Disk Utility shows a compatible format by default.
Scheme: Choose GUID Partition Map.
Click Erase to begin erasing your disk and every container and volume within it. You might be asked to enter your Apple ID. Forgot your Apple ID?
When done, quit Disk Utility.
If you want your Mac to be able to start up from the disk you erased, reinstall macOS on the disk.
How to erase a volume on your disk
Start up from macOS Recovery. Then select Disk Utility from the Utilities window and click Continue. If you're not erasing the volume your Mac started up from, you don't need to start up from macOS Recovery: just open Disk Utility from the Utilities folder of your Applications folder.
In the sidebar of Disk Utility, select the volume that you want to erase. The volume your Mac started up from is named Macintosh HD, unless you changed its name. Don't see your volume?
Click Erase, then complete these items:
Name: Type the name that you want the volume to have after you erase it.
Format: Choose APFS or Mac OS Extended (Journaled). Disk Utility shows a compatible format by default.
If you see an Erase Volume Group button, the volume you selected is part of a volume group. In that case, you should erase the volume group. Otherwise, click Erase to erase just the selected volume. You might be asked to enter your Apple ID. Forgot your Apple ID?
When done, quit Disk Utility.
If you want your Mac to be able to start up from the volume you erased, reinstall macOS on that volume.
Reasons to erase
You can erase at any time, including in circumstances such as these:
You want to permanently erase all content from your Mac and restore it to factory settings. This is one of the final steps before selling, giving away, or trading in your Mac.
You're changing the format of a disk, such as from a PC format (FAT, ExFAT, or NTFS) to a Mac format (APFS or Mac OS Extended).
You received a message that your disk isn't readable by this computer.
You're trying to resolve a disk issue that Disk Utility can't repair.
The macOS installer doesn't see your disk or can't install on it. For example, the installer might say that your disk isn't formatted correctly, isn't using a GUID partition scheme, contains a newer version of the operating system, or can't be used to start up your computer.
The macOS installer says that you may not install to this volume because it is part of an Apple RAID.
About APFS and Mac OS Extended
Best free solitaire download for mac. Disk Utility in macOS High Sierra or later can erase using either the newer APFS (Apple File System) format or the older Mac OS Extended format, and it automatically chooses a compatible format for you.
How to choose between APFS and Mac OS Extended
Disk Utility tries to detect the type of storage and show the appropriate format in the Format menu. If it can't, it chooses Mac OS Extended, which works with all versions of macOS. If you want to change the format, answer these questions:
Are you formatting the disk that came built into your Mac? If the built-in disk came APFS-formatted, Disk Utility suggests APFS. Don't change it to Mac OS Extended.
Are you about to install macOS High Sierra or later for the first time on the disk? If you need to erase your disk before installing High Sierra or later for the first time on that disk, choose Mac OS Extended (Journaled). During installation, the macOS installer decides whether to automatically convert to APFS—without erasing your files.
Are you preparing a Time Machine backup disk or bootable installer? Choose Mac OS Extended (Journaled) for any disk that you plan to use as a Time Machine backup disk or as a bootable installer.
Will you be using the disk with another Mac? If the other Mac isn't using macOS High Sierra or later, choose Mac OS Extended (Journaled). Earlier versions of macOS don't work with APFS-formatted volumes.
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How to identify the format currently in use
If you want to know which format is currently in use, use any of these methods:
Select the volume in the Disk Utility sidebar, then check the information shown on the right. For more detail, choose File > Get Info from the Disk Utility menu bar.
Open System Information and select Storage in the sidebar. The File System column on the right shows the format of each volume.
Select the volume in the Finder, then choose File > Get Info from the menu bar. The Get Info window shows the Format of that volume.
If your disk or volume doesn't appear, or the erase fails
Shut down your Mac, then unplug all nonessential devices from your Mac.
If you're erasing an external drive, make sure that it's connected directly to your Mac using a cable that you know is good. Then turn the drive off and back on.
If your disk or volume still doesn't appear in Disk Utility, or Disk Utility reports that the erase process failed, your disk or Mac might need service. If you need help, please contact Apple Support.
Learn more
If you can't start up from macOS Recovery, you can use a different startup disk instead.
If Disk Utility shows a Security Options button in the Erase window, you can click that button to choose between a faster (but less secure) erase and a slower (but more secure) erase. Some older versions of Disk Utility offer the option to zero all data instead. These secure-erase options aren't offered or needed for solid-state drives (SSDs) and flash storage.
Summary: What to do when Disk Utility or macOS can't repair this disk? You can check out the solutions in this post, or you can easily recover lost data from this corrupted drive with iBoysoft Data Recovery for Mac.
When a disk is not working properly on a Mac, most users would go to Disk Utility and run First Aid to repair this disk. However, the error message 'Disk Utility can't repair this disk' error usually appears when First Aid fails to repair this disk. Euro to usd tracker mac app. Though frustrating, but it doesn't mean you will necessarily lose all files. In this article, we will give you effective solutions to fix 'Disk Utility can't repair this disk' issue, especially when you are facing the issue that Disk Utility can't repair external hard drive, or when Disk Utility can't repair Macintosh HD on Mac.
Help! Disk Utility can't repair this disk
You might be experiencing the same or similar situation as the user below.
I am in the midst of trouble where Disk Utility is failing to repair the drive. It gives me message 'Error: Disk Utility can't repair this disk. Back up as many of your files as possible, reformat the disk, and restore your backed-up files'. Now, what should I do to fix this error without losing data on my drive?
'Disk Utility can't repair this disk' is one of the messages you will receive when First Aid failed. Sometimes, it would be followed up with these error messages:
First Aid process has failed. If possible back up data on this volume. Click done to continue.
macOS can't repair this disk. You can open or copy files on this disk, but you can't save changes to files on this disk. Back up the disk and reformat it as soon as you can.
Disk Utility stopped repairing your disk. Disk Utility can't repair this disk. Back up as many of your files as possible, reformat the disk, and restore your back-up files.
What can you do in these situations to fix this issue without data loss? Keep reading.
Run First Aid to repair this disk again
One of the most tried and tested solution is to repair this disk one more time. To do First Aid again, follow these steps.
1. Go to Launchpad, find Other, and then launch Disk Utility.
2. Choose View and choose Show All Devices at the upper left of this app.
3. Select the disk or volume you want to repair in the left sidebar, and then click First Aid at the top.
4. Click Run to check and repair for disk errors.
If Disk Utility can't repair your disk still, or you receive a report that the First Aid process has stopped or failed, and it's asking for backing up and reformatting, you'd better firstly follow its suggestion to back up files on that disk to avoid further data loss.
How to back up or recover lost data when Disk can't repair this disk?
Method 1: Back up with Time Machine
There is a built-in tool on your Mac called Time Machine which can help you back up your files efficiently in this case. Here is how:
1. Connect an external storage device with enough free space to your Mac.
2. A notification will pop up and ask if you want to use this device to back up with Time Machine. Click on Use as Backup Disk and follow its on-screen instructions. Go to learn more about backing up your Mac with Time Machine.
Method 2: Recover lost data from the disk that Disk Utility can't repair
If you don't have an extra external drive in hand or you can't back up files from that disk with Time Machine for some reasons, alternatively, you can recover files with reliable data recovery software, like iBoysoft Data Recovery for Mac.
iBoysoft Data Recovery for Mac is professional data recovery software for Mac, which can recover lost data from internal hard drives, Macintosh HD, external hard drives, SD cards, USB flash drives, memory cards, memory sticks, etc. Also, when disk is formatted, unreadable, unmountable, unreadable, or unrecognizable, it can easily recover the lost files in these cases. What's more, this program can recover lost data from recover lost data from unmountable macOS partitions, encrypted APFS boot volume, etc.
Through only 4 steps, you can recover lost data from the disk that Disk Utility can't repair.
1. Download and install iBoysoft Data Recovery for Mac.
2. Launch iBoysoft Data Recovery for Mac.
Flappy golf 2 download mac. 3. Select the disk and click Next button to scan all lost data.
4. Preview the searching results, choose files you need, and click Recover to get them back.
How to fix 'Disk Utility can't repair this disk' issue on Mac?
Method 1: Fix Disk Utility can't repair this disk error in Single User Mode.
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If Disk Utility can't repair this disk, you can try to repair it by running FSCK command on Mac. FSCK is a powerful command line to verify and repair external hard drive in Terminal.
1. Restart your Mac and, before the Apple logo appears, hold down Command + S keys. This will boot your Mac into Single User Mode.
2. Type in:
3. If you see 'File system was modified', then re-type in the command above again until you see 'The volume _ appears to be OK'.
4. To restart your Mac, type in:
Method 2: Fix Disk Utility can't repair this disk error by reformatting.
If you failed to fix the disk using Single User Mode, then, you have to reformat the disk in Disk Utility as suggested.
Windows 10 pro lite x86 iso download. Warning: Reformatting will wipe all your files off this disk, so please make sure you have backed up your files with an external drive or have retrieved your files from this corrupted drive with iBoysoft Data Recovery for Mac. Driver home stepper unipolar.
3. Provide a name and a format to format the drive.
4. Wait until the process finishes.
After reformatting this disk, you can restore your backed-up or recovered files to the disk again. IfDisk Utility First Aid still failed on external hard drives, and you receive the information like 'This drive has a hardware problem that cannot be repaired' on your iMac, MacBook Pro, or MacBook Air, you may need to send it to a local repair center or simply replace it with a new disk drive.
Bonus tip: You may not need to repair the disk in Disk Utility
In some cases, if an external drive is shared between a Mac and a Windows PC, you could receive the error message 'Disk Utility can't repair this disk' as well. It's because when a USB drive is disconnected by yank out of the USB port, the disk may be busy in getting data settled down. As a result, the disk won't readable by Mac.
For instance, you have a disk that is formatted with FAT32, and you didn't unmount your disk properly when you remove it from your Windows PC. Then the whole volume will be marked as 'busy' and you'll be prompted to repair the volume if you look at it in Mac's Disk Utility. However Disk Utility will fail to repair the volume, and report:
An easy workaround to this 'Disk Utility can't repair the disk' issue in this situation is to simply plug this disk drive back into a Windows PC, and unmount it properly before plugging it into your Mac.
Note: If you are trying to repair your startup disk or startup volume with Disk Utility, you need to restart your computer and hold Command + R to boot into macOS Recovery mode. Then select Disk Utility in the macOS Utilities window and click Continue. If you want to check the Macintosh HD volume in macOS Catalina, please make sure you also check the Macintosh HD - Data volume.