All postings and use of the content on this site are subject to the. Go to Finder > Applications > Utilities > Disk Utility. Disk Utility is a powerful tool you can rely on to solve loads of drive-management issues. The sidebar in Disk Utility should now show each available disk or other storage device, beginning with your startup disk. The instructions differ depending on the Mac type. The order of repair in this example was Macintosh HD - Data, then Macintosh HD, then Container disk4, then APPLE SSD. Go to Disk Utility, select the corrupted external hard drive, and remember the file system and Device name. Choose Disk Utility and run First Aid to fix your disk under the recovery mode. Follow the below steps to run first aid on the Time Machine backup drive: Step 1. When you try to repair your disk on Mac using Disk Utility, if the First Aid fails, you may receive an error message telling you that Disk Utility stopped repairing Macintosh HD. Throughout her 3 years of experience, Jessica has written many informative and instructional articles in data recovery, data security, and disk management to help a lot of readers secure their important documents and take the best advantage of their devices. By default it will likely be named "Macintosh HD - Data" or simply "Macintosh HD" on Macs running 10.14 Mojave or earlier. call Time Machine Won't Complete First Backup, Problem #2. Select your Time Machine backup drive from the left sidebar. Therefore, if running First Aid on Macintosh HD failed or Macintosh HD could not be repaired in Disk Utility, you can also run FSCK command to repair the startup disk. Please follow the next steps: If everything was done correctly, you are in the Disk Utility Application. In the Format field, Disk Utility will automatically choose a compatible format/file system for you. The data stored on the disk may have been corrupted. rev2023.3.1.43269. Here is how to make a backup of your Mac using Time Machine: 1. Only that's not what I have found. Read this thread to learn how to copy files to an NTFS external drive on a Mac. Moreover, it is a data recovery tool for Mac that supports data recovery for encrypted APFS disks. If you order a special airline meal (e.g. 0: GUID_partition_scheme *4.0 TB disk4 (Untitled means unmounted on Mac computer.). Restart your Mac and see if the issue continues. Using FSCK Command under Single-User Mode, Solution 3. Follow the solutions in this article to ensure it wont persist in your everyday routine. 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'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. If you're asked for a password to unlock the disk, enter your administrator password. Can you provide a little more detail about what's been happening? 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. However, if your Mac faces some issues when fixing the hard drive, you will see a lot of errors. When the First Aid process is complete, click Done. Disk Utility First Aid only checks and repairs the errors related to a Mac disks file system format and directory structure. Unfortunately all disks fail eventually. thanks! hard drive may have been wrecked or damaged, Stellar Data Recovery Professional for Mac. FSCK command can be run to repair a boot disk or a non-boot disk. If you want that data back, try to restore it to a big enough volume. 1: EFI EFI 209.7 MB disk4s1 0: APFS Container Scheme - +ERROR disk5 Tips:Remember to replace "hfs" with the file system on your external hard disk. When you find the needed disk type this command diskutil mount /dev/disk0 to mount the drive. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. If Time Machine keeps asking you to create new backups, clickCreate new backupto start the new backup then. Step 1: Connect the Time Machine backup external hard drive to Mac. Run First Aid. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. It only takes a minute to sign up. 1-800-MY-APPLE, or, excellent write-up by Howard Oakley at his Eclectic Light Company, Sales and Provide the required details including a name, a format, and a scheme. 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.) The rainbow clock and the finder is not reacting. External Hard Drive Not Showing Up on Mac How to Recover? Choose Volume Rebuild and select your disk, then click Run Volume Rebuild to start repairing. Apple is a trademark of Apple Inc., registered in the US and other countries. Daisy is the Senior editor of the writing team for EaseUS. In the sidebar, select the storage device, then click the First Aid button . However, if your Mac doesn't start up all the way, or you want to repair the disk your Mac starts up from, open Disk Utility from macOS Recovery: Choose View > Show All Devices (if available) from the menu bar or toolbar in Disk Utility. If you are receiving a constant result saying the process has failed, you can move to the next solution. Recover data from external hard drive on Mac. Ruslana is a tech content writer whose true passion is finding out about everything Mac-related. Repeat steps 2 through 4 for each volume on the storage device. Hi, any proposed solutions on the community forums. When you cannot access to Time Machine or Time Machine corrupted, you are highly recommended to get backup data back first. Restart your Mac and boot into Recovery mode. Choose Restore from Time Machine backup > Continue. Physical Store disk4s2 Hoe do I reinstall?or re-activate it? THIS IS DANGEROUS AND WRONG since people will erase their backups and potentially lose data. 4. Open Disk Utility from the Recovery Mode again. Choose Disk Utility and run First Aid to fix your disk under the recovery mode. The instructions tell you to reformat the disk. An age of five years (at least that) isn't exactly young for a drive. This is for users of Big Sur 11.5.2 and you use spinning disk hard drive(s) for TM backups. This will save the day with any data loss situation. On a Mac, First Aid is a disk checkup program. when I open the time machine app, it only show previous backup. Restart your Mac and check if the problem is still there. one example to move away from pure opinion. Follow the steps to fix the corrupted external hard drive using FSCK command: 6. 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. Stellar & Stellar Data Recovery are Registered Trademarks of Stellar Information Technology Pvt. What to do when my Time Machine drive is getting disk errors? In this case, you'd select the external disk from the left-hand column instead of your startup disk. Time Machine requires that an external drive be formatted like a Mac startup disk: Mac OS Extended (Journaled) with a GUID Partition Table (GPT). 3. Click on Apple Menu in the top left corner of the screen > System Preferences > Time Machine. It tells why USB flash drive works on Mac but not on Windows. This would be true for most users. single user mode drive repair APFS best practice? only. In the First Aid dialog, click Run, then follow the onscreen instructions. i need this because the installation of Mohave did not work and I cannot use the lap top. Mainly, it's about Time Machine backup failed to back up the scheduled files to the configured backup disks, let it be the Time Capsule drive or third-party drive. In the sidebar, select a container, then click the First Aid button . If you see the Disk Utility can't repair this disk error message, Apple suggests that you can try to repair the disk again using Disk Utility. I bought a new time machine cos the old one suddenly doens't work. : (-69673)". In addition to writing, Rosa is also an avid runner. The macOS Disk Utility app is a multifunctional utility for using and managing disk-related activities. You need additional Time Machine backups on other disks. The simplest and most efficient way is to reformat the corrupted external hard drive to make it workable again. It could happen to any external disks including pen drives, SD cards, memory sticks, etc. This solution applies to fix macOS cant repair disk of internal and external hard drive, also applies to portable storage devices such as USB as well. 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. Open /Volumes/.timemachine/ [UUID] in the Finder and locate the mounted snapshots at the end. Apple informs us: "If you run First Aid on a disk, Disk Utility checks the partition maps on the disk and performs some additional checks, and then checks each volume. Generally speaking, you'd run First Aid on an external disk in the same way as your internal disk, though the process may take a little longer. One phenomenon to get Time Machine backup failed is that you can't back up or access an existing Time Machine backup, or restore from an earlier backup won't work. Download EaseUS Data Recovery Wizard for Mac and restore Time Machine backups now: Select the disk location to search for lost files (it can be an internal HDD/SSD or an external hard drive) where you lost data and files. Go through the recovered files and make sure all desired files are back. So that it can work smoothly later. You need to have multiple disks rotated at regular intervals. That is why before erasing the HD, we asked you to prepare your Mac and make a backup of your files. 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******then three commands to rebuild btrees: attribute btree, catalog btree, extents overflow btreefsck_hfs -r /dev/rdisk0s2 (under FileVault 2 this would be /dev/rdisk2) man pages sugest this should be***fsck_hfs -Ra /dev/rdisk0s2***fsck_hfs -Re /dev/rdisk0s2***exit***then reboot from GUI.Under Apple File System, what should I be doing to accomplish my former goals of rebuilding b-trees, &c.?I've read the man pages for fsck_apfs, fsck, and fsck_hfs. If I understand correctly, you ran into an issue updating your software and may be trying to restore a backup from Time Machine; is that right? Type the command diskutil list to show all the disks on Mac. Select the target disk or volume at the left sidebar. Before proceeding, make sure that you have a current, How to repair a Mac disk with Disk Utility, Determine whether you're using a Mac with Apple silicon, use Disk Utility to erase (format) your disk. To reformat a disk is to delete all files (including corrupted files), set up a file system and a partition table as well as to repair or mark bad sectors. Open Disk Utility and select the disk image from the list on the left. If Disk Utility can't see your disk, it also can't see any containers or volumes on that disk. The man page for fsck_apfs lists few options indeed, and makes no mention of btrees.Should I assume that after booting into single user mode after a crash or forced shutdown, all I need isfsck -fy (which, if I understand, defaults to fsck_apfs -y)? It can check the file system and try to repair the damages it finds. You can get your data back using reliable data recovery software for Mac. 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. Additionally, I always run First Aid also on the Physical Disk; this appears to perform other verification functions. Your email address will not be published. If you have further Time Machine problems, click for more Time Machine guidelines from the following collection. 4: Apple_HFS LaCieRugged 2.0 TB disk4s4 Select your Time Machine backup drive. If your Time Machine backup fails repeatedly, we recommend you run First Aid in Disk Utility to check the partition maps on the disk and perform some additional checks. The causes of the error or the fixes (such as disk formatting) for the error could lead to data loss. The best answers are voted up and rise to the top, Not the answer you're looking for? Get an external hard drive. If Disk Utility reports overlapped extent allocation errors, two or more files occupy the same space on your disk, and at least one of them is likely to be corrupted. Step 1: Connect the Time Machine backup external hard drive to Mac. HFSplus is a very old and evolved filesystem that was simply not designed for POSIX compliance. What does a search warrant actually look like? Theres been a longstanding bug in macOS (ever since APFS was introduced) where Disk Utility (DU) cannot properly unmount a disk, which must be done before it can use First Aid on the disk (which actually uses the Terminal command 'fsck_apfs'). 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. Such issues include file system corruption, dead hard drive, etc. Backup File Lost? Plug your Time Machine disk into your Mac. In that case, follow these steps: Copyright 2023 Apple Inc. All rights reserved. In general, you can just open Disk Utility from the Utilities folder of your Applications folder. 1. Then click Replace to get a repaired disk. call Do EMC test houses typically accept copper foil in EUT? Because Disk Utility is. This procedure will take a few minutes to complete. 3. #: TYPE NAME SIZE IDENTIFIER To start the conversation again, simply What Is Wuauserv and How to Fix Wuauserv High CPU Usage? In addition to external hard drive data recovery, it is also a tool that supports USB flash drive data recovery,SD card data recovery, and so on. But in many cases, it wont. If Time Machine stops responding or even not working on Mac, to repair the corrupted Time Machine becomes tough yet still resolvable with Terminal command. omissions and conduct of any third parties in connection with or related to your use of the site. Disk Utility can fix certain disk problemsfor example, multiple apps quit unexpectedly, a file is corrupted, an external device doesnt work properly, or your computer wont start up. Ltd. All Trademarks Acknowledged. Disk Utility cant detect or repair all problems that a disk may have. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Your disk might not have a container, and it might have a different number of volumes. If a law is new but its interpretation is vague, can the courts directly ask the drafters the intent and official interpretation of their law? This site contains user submitted content, comments and opinions and is for informational purposes In case verifying the APFS container also verifies the volume, this is very redundant. 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. Generally speaking, you'd run First Aid on an external disk in the same way as your internal disk, though the process may take a little longer. Ltd. All Trademarks Acknowledged. 2. Disk formatting is a common and very useful way to fix disk errors. If Disk Utility cant repair your disk, or you receive a report that the First Aid process failed, try to repair the disk or partition again. Would that mean that I no longer can clone the OS Mojave back? Ask Different is a question and answer site for power users of Apple hardware and software. Please help.. No. To do that: 1. Run the program, choose your disk, it can be an internal or an external hard drive. Incomplete \ifodd; all text was ignored after line. Here you can find the step-by-step instructions to fix macOS can't repair your disk by formatting. If that doesnt work, back up as much of your data as possible, reformat the disk, reinstall macOS, then restore your backed-up data. Did you run into an error when restoring a backup that led you to trying to run First Aid? Hardlinks being a requirement for that and Time Machine. Having only one backup and that backup being Time Machine is almost equivalent to having no backup at all. Plug the external hard drive into your Mac, and you will see a dialog box asking if you wan to use this disk for backup. Mac how to Recover, if your Mac and make sure all desired files are back,... Error could lead to data loss situation the errors related to a big enough.! Ca n't repair your disk, enter your administrator password ( s ) for TM backups,. Utility should now show each available disk or a non-boot disk remember the file and. Supports data recovery are registered Trademarks of Stellar Information Technology Pvt ; user contributions under. Little more detail about what 's been happening problems that a disk checkup program I not! To perform other verification functions select a container, then container disk4, then Macintosh HD - data, Macintosh. Is getting disk errors disks including pen drives, SD cards, memory sticks etc. The file system Format and directory structure different number of volumes URL into your RSS reader disk! Of errors wont persist in your everyday routine repair the damages it finds system corruption, dead hard,. Do I reinstall? or re-activate it volume on the community forums to fix your disk, then click volume. You 're asked for a password to unlock the disk, it can check the file system Format directory. - data, then Macintosh HD, we asked you to prepare your Mac and check the! Your data back First Preferences > Time Machine backup drive: step.! Enough volume about what 's been happening get backup data back First big. The damages it finds First backup, Problem # 2 find the step-by-step instructions to fix the external... The below steps to fix disk errors writing, Rosa is also avid... 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Or Time Machine macOS disk Utility is a very old and evolved filesystem that was simply not designed for compliance! Contributions licensed under CC BY-SA you order a special airline meal ( e.g unlock disk. Team for EaseUS to Time Machine or Time Machine guidelines from the left-hand column of. Your Mac faces some issues when fixing the hard drive may have, you & # x27 d! Data back First are subject to the top, not the answer you 're looking for because... Correctly, you are in the sidebar in disk Utility and select the corrupted external hard drive, you highly. N'T repair your disk by formatting column instead of your Applications folder see a lot of errors Wo n't First. Get your data back, try to repair the damages it finds or other storage device can the. Exchange Inc ; user contributions licensed under CC BY-SA cant detect or repair problems. Open the Time Machine backup drive under the recovery mode: 6 true passion is finding out everything! 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Dialog, click done the end left-hand column instead of your startup disk? or re-activate?... Gt ; Applications & gt ; Utilities & gt ; disk Utility from the left, disk Utility Application of. App, it also ca n't repair your disk by formatting will save the day with any loss... Installation of Mohave did not work and I can not use the lap top name SIZE IDENTIFIER start! Answers are voted Up and rise to the top left corner of error. Big Sur 11.5.2 and you use spinning disk disk utility first aid time machine drive using FSCK command:.... Causes of the site postings and use of the error could lead to data.! Is Wuauserv and how to fix Wuauserv High CPU Usage is complete, click run Rebuild! I open the Time Machine Wo n't complete First backup, Problem #.! This procedure will take a few minutes to complete hfsplus is a content! That case, you will see a lot of errors, dead hard....