Rosa has worked in Mac software industry for more than eight years. call Daisy is the Senior editor of the writing team for EaseUS. Download and install Techtool Pro 12 on your mac. If you're using a USB hub or a similar device, try connecting the drive directly to your Mac or base station. provided; every potential issue may involve several factors not detailed in the conversations Browse other questions tagged. Unfortunately all disks fail eventually. In general, you can just open Disk Utility from the Utilities folder of your Applications folder. 1-800-MY-APPLE, or, Sales and Go through the recovered files and make sure all desired files are back. When you find the needed disk type this command diskutil mount /dev/disk0 to mount the drive. Mac Stuck on Login Screen after Update or Entering Password: 6 Fixes! Note that when you start up in Recovery mode (hold down CMD-R at bootup) and use DU to run First Aid on the boot volume it works fine because the boot volume hasn't been mounted (because you booted off the Recovery volume) so DU doesn't encounter the 'can't dismount' problem. The time machine out of the question, as I have 2 dozen of downloadable software, that would require to re-register, as the Time machine doesn't clone online registration. Wait for the process completes, check if Mac computer can recognize your backup disk and open it in Time Machine again. With simple disk repair situations, you are not likely to receive this error message. The instructions tell you to reformat the disk. During the running of First Aid on an external hard drive, one of the following error messages may pop up indicating First Aid operation failure: Note:Only when you are using the external hard drive as a startup disk and run First Aid to repair it, you could see the error message to ask you to run First Aid frommacOS Recovery. I'm delighted to report that, when that same Mac Studio attempted the same First Aid on the same backup volume in Ventura, it completed the task without any problems. I have used it extensively and exclusively since it came out at on many different machines and have never lost any data. However, I am not confident of what the proper process is, because I suppose it's possible that the APFS volume vs. container verifications check different things despite having similar output logs. ThanksI am throwing it out there because I can often times overlook something that someone else might see. 5. Jordan's line about intimate parties in The Great Gatsby? As of 1 Feb 2022, Disk Utility still can't check any mounted disk (especially external disks like Time Machine or other backup disks) if they are formatted as APFS. Don't worry. 3. 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. In this situation,data recovery softwarecomes for help. MacBook Pro 15", Techtool Pro 12 from Micromat is a famous program to test and repair mac or hard drives on mac, it also supports the latest macOS10.15. I called apple senior advisor and they said that Mojave is not supposed to run on an external. Such issues include file system corruption, dead hard drive, etc. Then click Replace to get a repaired disk. Add to this the bug that causes the MacBook to disconnect and dismount drives attached through a dock randomly and you have a recipe for data loss when users try to run Disk Utility to fix their drives. If so, skip to the next step. Before you start to perform a fix of the problem, start backing up your important data to make sure you will be able to restore your files if some of the steps fail. Bit flips, bit rot, hardware problems like bad sectors etc. The best answers are voted up and rise to the top, Not the answer you're looking for? Apple disclaims any and all liability for the acts, Hoe do I reinstall?or re-activate it? But why did Disk Utility's First Aid would fail on external hard drives? Open Finder > Applications > Utilities > Terminal. Operation failed. You can only access the FSCK tool through the FSCK command line that appears complex. In the Disk Utility app on your Mac, choose View> Show All Devices. Select the disk you want to restore your files from (it should be the hard drive you used to make a copy on). Copyright 2023 iBoysoft. Use the First Aid feature of Disk Utility to find and repair disk errors. If Time Machine finds an issue with your backup, it displays a message with details. Is there a proper earth ground point in this switch box? You have to send it to a local service center or replace it with a new one. Repeat steps 6 to 8 for each container on the storage device. Disk Utility cant detect or repair all problems that a disk may have. Step 2: Select the untitled external hard drive and click the "Mount" button from the Disk Utility bar. captured in an electronic forum and Apple can therefore provide no guarantee as to the efficacy of Go to Finder > Applications > Utilities > Disk Utility. 3. 0: GUID_partition_scheme *4.0 TB disk4 Why isn't this fixed? macOS Disk Utility can't repair this disk is a common and fixable error. If unfortunately, you have lost some or all of your files, you can restore them from backup. You can read on or jump to the issue & solution you're most concerned about. Follow the solutions in this article to ensure it wont persist in your everyday routine. 2. https://support.apple.com/guide/disk-utility/repair-a-storage-device-dskutl1040/mac. Or type. Note: disk0 in the command should be replaced with the disk identifier you want to mount. Then click on First Aid>Run, to start repairing your disk again. single user mode drive repair APFS best practice? Ltd. All Trademarks Acknowledged. Mount a Time Machine backup disk that will not mount. In the picture below, the file system in Mac OS Extended (HFS) and the Device name is disk3s2. File system verify or repair failed. From the utilities window in macOS Recovery, select Disk Utility and click Continue. Once the Disk Utility App opens, click the "View" menu. Click View at the upper-left corner and select Show All Devices to list all detected disks and volumes. If you can replace a file or re-create it, delete it. (Untitled means unmounted on Mac computer.). Select the external hard drive and click Erase on the top toolbar. No. Another example and explanation for the unlucky and simply unprofessional combination of HFSplus and Time Machine. Fix macOS Can't Repair the Disk with First Aid Again, Solution 2. Those are the main factors that cause disk corruption, so to reformat a disk can solve almost all disk problem you may come across. This is a serious bug, and the only workaround is to run the check in Recovery Mode. Select the unmounted disk > click the First Aid button > choose Run. Time Capsule is just one Time Machine disk, so don't confuse the two. Follow the onscreen instructions. In general, you can just open Disk Utility from the Utilities folder of your Applications folder. Disk Utility: When verifying Time Machine backups, do I need to run First Aid on each volume and container? Ask Different is a question and answer site for power users of Apple hardware and software. A forum where Apple customers help each other with their products. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. If you see a line saying The volume (the name of your drive) could not be verified completely, it means FSCK tool cant repair the disk. This would be true for most users. If you are confident you have appropriate backups other then Time Machine and you want to start fresh, then I see no reason why you can't wipe the drive used for TM backups and start anew. Has 90% of ice around Antarctica disappeared in less than a decade? Lesson: do not rely solely on Time Machine. 4. Has China expressed the desire to claim Outer Manchuria recently? I installed Mojave on a clone drive to test it as I normally do with any new OS system to test it. When I run on Time Capsule I am getting a failure and this message: Updating boot support partitions for the volume as required. You can reinstall macOS and restore data under this mode, also can repair startup disk. macOS Disk Utility is a versatile utility to perform disk-related tasks on Mac. It works for internal and external hard drive, memory card, pen drive, etc. Test and repair Macs hard drive, including internal and external hard drive. A second dialogue box will pop up prompting for acknowledgement that verifying your startup disk will cause it to be non-responsive. Select the files that you want to restore and choose to recover to local drive or to cloud services. The first day it ran very slow, and the next day I can not run at all. The data stored on the disk may have been corrupted. when I open the time machine app, it only show previous backup. Been having issues with Time Machine and backup so I ran disk utility on all my drives: iMac drive, iomega external HD and Time Capsule. /dev/disk4 (external, physical): So, before trying the other 4 solutions provided in this article, you can try out this easy fix. This site contains user submitted content, comments and opinions and is for informational purposes What tool to use for the online analogue of "writing lecture notes on a blackboard"? Do EMC test houses typically accept copper foil in EUT? But there can be different situations. Get an external hard drive. However, restarting the computer will refresh the operating system and may fix part of the issues. Apple may provide or recommend responses as a possible solution based on the information Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. When the chosen scan is over, look through the files and select those you need to restore. : (-69845). Restart Time Machineseveral times may also help. Disk Utility will begin examining and repairing your disk. For example, type fsck_msdos for FAT file system and type fsck_exfat for exFAT file system. If Disk Utility isnt open, click the Launchpad icon in the Dock, type Disk Utility in the Search field, then click the Disk Utility icon . What Is Wuauserv and How to Fix Wuauserv High CPU Usage? This software is fully compatible with macOS 13/12/11/10.15/10.14/10.13/10.12 and OS X 10.11. and works fine on the M2, M1, M1 Pro, and M1 Max Mac. Click on Erase button. Then use the First Aid feature in Disk Utility to verify your disk. Read more >>. It just says the disk cannot be unmounted and fails. chkdsk Disk Utility Disk Management First . This site is not affiliated with or endorsed by Apple Inc. in any way. Afterrecovering data from the corrupted external hard drive, it is time to reformat it: If the external hard drive still doesn't work on Mac after reformatting, it's very possible that the external hard drive has been damaged physically. Time Machine Restore Button Greyed Out, recover files on Mac without Time Machine backup. Don't see your disk? So, what do I do if I do install on the main drive, clone to an external using SD and then my main drive crashes. This solution is available on every Mac computer. 2. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. WD My Passport won't mount following the above update and when trying to mount with Disk Utility I get this error (com.apple.DiskManagement.disenter error 49221.) In the Disk Utility, choose View on the menu bar > Show All Devices. 308, 3/F, Unit 1, Building 6, No. 3. The instructions differ depending on the Mac type. Here are the steps you'll need: Repair a disk using Disk Utility on Mac. To do that: Then turn the drive off and back on. For information about servicing your Mac, see Find out how to service or repair your Mac. 4. Can't figure out what is going on. Most of the time, First Aid's failure on external hard drives is due to severe disk corruption which was brought about by improper ejection, physical damage, virus infection, or other reasons. When I first run First Aid on the APFS volume and subsequently once more on its container, this appears to perform essentially the same integrity check twice (e.g. Go to your Mac's Applications > Utilities and from here, launch the "Disk Utility" application on the system. Any suggestions or fixes out there? It just says the disk cannot be unmounted and fails. If you still fail to repair your disk with Disk Utility, it may be beyond Disk Utilitys ability, then you will need a more powerful disk repair tool, like Techtool Pro 12 for Mac. But that doesnt mean the disk or its contents are bad, despite the error messages that DU gives you such as: "First Aid process has failed. Apple DiskUtility simply doesn't react if I click erase. Tutorial to recover data from corrupted external hard drive: Recover Files Disappeared from External Hard Drive on Mac, 4 methods to recover disappeared/missing/deleted/lost files from USB external hard drives and SD memory cards on Mac computers with free Mac data recovery software. Learn more about Stack Overflow the company, and our products. I bought a new time machine cos the old one suddenly doens't work. In the First Aid dialogue, click Run, then follow the onscreen instructions. Should I be able to run disk utility on my Time Machine Backups? In the Sidebar, click the last volume in the list. OK, without further ado, let's get started! You can find the latest version prior to the reformatting of your disk. Shut down your Mac, then unplug all nonessential devices from your Mac. Does anyone have any suggestions? When the Time Machine backup disk or external hard drive becomes unrecognized, as a result, backups are missing, you can first mount it on Mac and then run First Aid on Time Machine disk with disk utility. 4. It can be used to repair storage devices. How do I fit an e-hub motor axle that is too big? I am pretty sure I have everything backed up elsewhere. Then, find the identifier of the needed drive. External HD shows "Invalid Extent Entry" in Disk Utility First Aid for the Time Machine "Backup" volume. 542), How Intuit democratizes AI development across teams through reusability, We've added a "Necessary cookies only" option to the cookie consent popup. [Updated 2023], How to Restore Mac to a Previous Date with Time Machine/Migration Assistant/Recovery Software, Fix HDD Hard Drive Not Showing Up in Windows 10 Error, How to Format Seagate Hard Drive for Mac [Fast & Full Guide]. Mac users, who're currently running macOS Catalina or Mojave, report that they got an issue with Time Machine. Copyright EaseUS. In the First Aid dialog, click Run, then follow the onscreen instructions. It is one of the complete Mac system utilities with helpful features such as fixing a damaged drive, formatting, cloning drives, erasing, and more. If you want that data back, try to restore it to a big enough volume. Click Use as Backup Disk, and the Time Machine Preferences window will show up. If you back up to a server, AirPort Time Capsule, or drive connected to your AirPort Extreme Base Station, make sure that your current Time Machine backup doesn't have any issues that could prevent further backups: If your drive is already formatted correctly, turn off Time Machine, then check it for problems: What's a corrupted Time Machine backup? Repeat steps 6 through 8 for each container on the storage device. Erase that Backup volume? You'll see that the external hard drive is greyed out, marked as untitled. When using Disk Utility (in my case, in MacOS Recovery Mode), to run First Aid on a Time Machine backup on an external hard drive in order to verify the integrity of the backup - is it necessary to run First Aid on both the APFS volume containing the backup, and the APFS container that holds the volume? Using FSCK Command under Single-User Mode, Solution 3. Hopefully, the command has helped you fix file system errors on your external hard drive. Nope, TM showed previous backup was done about 30-40 minutes prior, and there was no activity in the app. If you run First Aid on a volume, Disk Utility verifies all the contents of that volume only.". You may choose the specific files or just recover everything. Hi, .mb_2020_table_no1{border-collapse: collapse;width: 100%;margin:20px 0 36px 0;}.mb_2020_table_no1 th{font-size: 18px;background-color:#EDEDED;border: 1px solid #EAEAEA !important; border-bottom:none !important; height: 64px;padding: 5px 25px; vertical-align: middle;text-align: left;}.mb_2020_table_no1 tr td{border: 1px solid #EAEAEA !important;border-bottom:none !important;border-top:none !important;padding: 13px 25px !important; vertical-align: middle;font-size: 16px;line-height: 26px;height: 50px;}.mb_2020_table_no1 tr:nth-child(odd){background-color: #F8F8F8;} .mb_2020_table_no1 tr:last-child td {border-bottom: 1px solid #EAEAEA !important;} .mb_2020_table_no1 tr td.forlist{padding:35px 25px !important;vertical-align: top !important;}. External HD shows "Invalid Extent Entry" in Disk Utility First Aid for the Time Machine "Backup" volume. Like any backup system, it is only as reliable as the person using it. Step 1: Connect the Time Machine backup external hard drive to Mac. The last method, formatting the disk, is a practical but radical method for troubleshooting disk errors. Apple disclaims any and all liability for the acts, PTIJ Should we be afraid of Artificial Intelligence? If Disk Utility can't see your disk, it also can't see any containers or volumes on that disk. The best answers are voted up and rise to the top. Time Capsule is 1TB and appears to be close to fulleven though my Mac HD only has about 400GB used out of 1TB. You need additional Time Machine backups on other disks. For details, and a workaround using Terminal (/System/Applications/Utilities/Terminal), see the excellent write-up by Howard Oakley at his Eclectic Light Company. Type the command diskutil list to show all the disks on Mac. Read this thread to learn how to copy files to an NTFS external drive on a Mac. Reasons for the Disk Utilitys First Aid Repairing Process Has Failed, Steps before Fixing Disk Utilitys First Aid Repairing Process Has Failed Appear, How to Fix Disk Utilitys First Aid Repairing Process Has Failed. Please also indicate the type of Mac you have (e.g., 2013 Mac Pro, 2019 Mac Mini, etc.) 2. Reformatting a disk erases all data stored on the disk, so you might want to move important files to another disk first. If you're asked for a password to unlock the disk, enter your administrator password. Refunds. It is built to Mac operating systems since Leopard and makes it easy to back up and restoring files on Mac. Click Run to begin checking the selected volume for errors. how can I use the new time machine as a time machine? How did StorageTek STC 4305 use backing HDDs? Just try out the solutions and instructions mentioned in this guide. Move upward through the list. It only takes a minute to sign up. When the Time Machine backup disk or external hard drive becomes unrecognized, as a result, backups are missing, you can first mount it on Mac and then run First Aid on Time Machine disk with disk utility. thanks! When the First Aid process is complete, click Done. Note: If youre checking your startup disk or startup volume, restart your computer in macOS Recovery. She specializes in creating macOS guides and tips & tricks. How to react to a students panic attack in an oral exam? Launch Time Machine. Before solving these problems, lets find out why this might happen. In this case, you'd select the external disk from the left-hand column instead of your startup disk. In the First Aid dialog, click Run, then follow the onscreen instructions. As a result, if you come across First Aid operation failure on any external disks, this post can still be very helpful. The error only appears when the disk issue or damage is beyond the repair ability of Disk Utility First Aid. Learn more about Stack Overflow the company, and our products. Unfortunately all disks fail eventually. any proposed solutions on the community forums. Hardlinks being a requirement for that and Time Machine. If you are not familiar or confident with command line usage, dont worry. You cannot manually format an existing APFS Container disk Try ejecting the disk again. 2. Remember to replace disk3s2 with the Device name of your external hard disk too. Below are some backup corruption symptoms. However, you probably won't be able to back up your files directly from the seriously corrupted external hard drive. (base) Martins-MBSG:~ mritter$ diskutil eraseDisk JHFS+ TT disk4 3. Click on First Aid, then on Repair Disk. It can check the file system and try to repair the damages it finds. Unable to mount volume for repair. On a Mac, First Aid is a disk checkup program. call 4. External Hard Disk Problem - doesn't mount / can't first aid / can't erase using disk utility, Disk Utility First Aid Fails on Time Machine Disk, Macbook Pro mid-2012 Disk Utility First Aid Results Interpretation Help. Before APFS, (under HFSX) after a forced shutdown of my machine, I would do maintenance on its file system by booting into single user mode and runningfsck -fy***
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