You may be asked to select a user you know the password for. Although you can easily get formatted data back using recovery software, its always a good idea to back up your files on a regular basis, especially the crucial ones. Generally speaking, if you can't run First Aid on an external hard drive to repair it, the solutions left for you torepair the corrupted external hard drive on Macare limited. Click Done to continue.". From the utilities window in macOS Recovery, select Disk Utility and click Continue. Learn more about Stack Overflow the company, and our products. By default it will likely be named "Macintosh HD - Data" or simply "Macintosh HD" on Macs running 10.14 Mojave or earlier. Here we'd like to recommend you try EaseUS Data Recovery Wizard for Macwhich supports users to restore all lost data from different situations within only 3 steps. Disk repair may fail, or give an error message. How do you get out of a corner when plotting yourself into a corner. It only takes a minute to sign up. 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. 3. According to Apple's official instructions (https://support.apple.com/en-us/HT204157), when you have a problem with Time Machine,check these things if you see an alert that Time Machine is unable to back up your data, or if you can't select your backup disk in Time Machine preferences. Can the Spiritual Weapon spell be used as cover? Disk Utility examines the disk image andif it finds any errors it can repairfixes them. Problem being that sometimes you simply can not. How to derive the state of a qubit after a partial measurement? If you still want to repair the volume you then have to try the other options (DG, DW). Note:You won't be able to see this article when you are running the FSCK command, so we recommend you write down the steps below, especially the command lines for your convenience. Regarding the topic "Time Machine backup failed" and "how to repair Time Machine backup", we gathered all feasible solutions to help you resolve the various issues with Time Machine on your Mac. Now, you need to open Time Machine. 2. So that it can work smoothly later. Why does the impeller of a torque converter sit behind the turbine? She believes that the purpose of software is to make life better and work more productively. Step 4: Select Time Machine drive at volume level and run First Aid. Share Improve this answer Follow Rename .gz files according to names in separate txt-file. In Disk Utility (or Terminal) mount the container or volume again, by selecting it and clicking on the Mount tool. (base) Martins-MBSG:~ mritter$ diskutil eraseDisk JHFS+ TT disk4 Provide the required details including a name, a format, and a scheme. 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. ask a new question. If possible back up the data on this volume. any proposed solutions on the community forums. The order of repair in this example was Macintosh HD - Data, then Macintosh HD, then Container disk4, then APPLE SSD. ** Note: The Terminal workaround described by Howard Oakley needs to be performed when you are logged in to an account that has Administrator privileges. Restart your Mac and boot into Recovery mode. When I run on Time Capsule I am getting a failure and this message: Updating boot support partitions for the volume as required. You have to send it to a local service center or replace it with a new one. Run First Aid. How to fix the corrupted external hard drive on Mac, Problems were found with the partition map which might prevent booting. Learn more about Stack Overflow the company, and our products. Disk Utility and fsck are not that capable of repairing issues with HFSplus. Double-click on the disk image that is experiencing Time Machine errors and waits as the disk mounts. If you're using a drive connected to a port on your Mac or AirPort Extreme Base Station, make sure that the drive is turned on. Can't figure out what is going on. Does that mean that the Super Duper or CC application are obsolete? Step 2. 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. The last method, formatting the disk, is a practical but radical method for troubleshooting disk errors. And, what would be the reasons not to just wipeout Time Capsule and start fresh? When you cannot access to Time Machine or Time Machine corrupted, you are highly recommended to get backup data back first. If your disk still doesn't appear in Disk Utility,your Mac might need service. You can use the First Aid function when you have a complicated disk problem. Planned Maintenance scheduled March 2nd, 2023 at 01:00 AM UTC (March 1st, Should I be able to run disk utility on my Time Machine Backups? Apple may provide or recommend responses as a possible solution based on the information 2. It has failed so often for so many people. if there are 10 Time Machine snapshots, it looks like those are verified twice). All postings and use of the content on this site are subject to the. macOS Disk Utility is a versatile utility to perform disk-related tasks on Mac. In the sidebar, select a container, then click the First Aid button . She has been working in EaseUS for over ten years, starting from a technical writer to a team leader of the content group. The simplest and most efficient way is to reformat the corrupted external hard drive to make it workable again. Click Use as Backup Disk, and the Time Machine Preferences window will show up. You can only access the FSCK tool through the FSCK command line that appears complex. Using FSCK Command under Single-User Mode, Solution 3. How to repair a corrupted Time Machine backup? Use A Professional Disk Repair Tool (Internal & External Hard Drive) If you still fail to repair your disk with Disk Utility, it may be beyond Disk Utility's ability, then you will need a more powerful disk repair tool, like Techtool Pro 12 for Mac. If you don't know the TM name, go to Time Machine Prefernces and check out. 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. Stellar Data Recovery for Mac program performs safe.. A comprehensive photo recovery software to restore photos, music & video files, Powerful video repair tool for repairing corrupt or damaged MOV and other video files. On Apple's official Support page, users are encouraged to run First Aid more than once. Go to Disk Utility, select the corrupted external hard drive, and remember the file system and Device name. 5. If you see the Disk Utility can't repair this disk error message and format your drive according to the messages suggestion without backing up files important to you, you can use Cisdem Data Recovery for Mac to effectively recover them. Dot product of vector with camera's local positive x-axis? PTIJ Should we be afraid of Artificial Intelligence? Looks like no ones replied in a while. If the problem is with the disk you are trying to use as a backup, this tool will find and fix mistakes in a partition directory. Connect an external HD or AirPort Time Capsule to your Mac. The sidebar in Disk Utility should now show each available disk or other storage device, beginning with your startup disk. 1700, Tianfu Avenue North, High-tech Zone, 1. /dev/disk5 (synthesized): 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. Also, it can repair damaged videos in different formats. : (-69673)". To subscribe to this RSS feed, copy and paste this URL into your RSS reader. To start the conversation again, simply After comprehensive and systematic learning of macOS, Windows OS, data security, and storage devices, he is capable of providing informative and helpful articles. While, how long does Disk Utility first aid take depends on the capacity and condition of your hard drive. 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. If you're backing up to an external drive, check the formatting of the drive. If the Time Machine backup disk can be opened but nothing appears, the best way is to scan and restore all lost Time Machines' Backups.backupdb files. captured in an electronic forum and Apple can therefore provide no guarantee as to the efficacy of What is the purpose of this D-shaped ring at the base of the tongue on my hiking boots? [Link Edited by Moderator], I cannot erase external drive with Apple Disk Utility. It cannot erase data on the drive. 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. Before proceeding, make sure that you have a current backup of your Mac, in case you need to recover damaged files or Disk Utility finds errors that it can't repair. Please also indicate the type of Mac you have (e.g., 2013 Mac Pro, 2019 Mac Mini, etc.) Once the backup finishes with a Backup Complete message, you can eject the external hard drive now. If there is no Run button, click the Repair Disk button instead. In this situation,data recovery softwarecomes for help. Ltd. Copyright 2023 Stellar Information Technology Pvt. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. 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? Nope, TM showed previous backup was done about 30-40 minutes prior, and there was no activity in the app. Also, you can use the filter tool to quickly search specific files. Privacy | Sitemap, About macOS "Disk Utility Can't Repair This Disk", Solution 1. The rest of the article will show you how to fix it. Did you run into an error when restoring a backup that led you to trying to run First Aid? Home
Such issues include file system corruption, dead hard drive, etc. In general, you can just open Disk Utility from the Utilities folder of your Applications folder. Does anyone have any suggestions? Launch Disk Utility, check external hard drive at the left panel. How? 0: APFS Container Scheme - +ERROR disk5 Hit the Restore button. 2. After Disk Utilityis done checking the volume, select the next item above it in the sidebar, then run First Aid again. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Errors can lead to unexpected behavior when using your Mac, and significant errors might even prevent your Mac from starting up completely. Time Machine reliability seems to get worse over time: one example to move away from pure opinion. To do that: 1. All Rights Reserved. Please help.. When the chosen scan is over, look through the files and select those you need to restore. You'll see that the external hard drive is greyed out, marked as untitled. If you run First Aid on a volume, Disk Utility verifies all the contents of that volume only.". Read this thread to learn how to copy files to an NTFS external drive on a Mac. Only that's not what I have found. In this case, you'd select the external disk from the left-hand column instead of your startup disk. Has 90% of ice around Antarctica disappeared in less than a decade? 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. This site is not affiliated with or endorsed by Apple Inc. in any way. 3. Apple DiskUtility simply doesn't react if I click erase. The instructions tell you to reformat the disk. 1: EFI EFI 209.7 MB disk4s1 First Aid could not unmount the volume for repair. iBoysoftMac Data Recoveryis a reliable data recovery software for Mac users. 0: GUID_partition_scheme *4.0 TB disk4 It has the capability to detect and repair the damages to partition map, master directory block, device driver, and so on. Select the needed disk to upload a backup and click the Use Disk button. If you check your startup volume (Macintosh HD), make sure you also check your data volume (Macintosh HD - Data). By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. In the First Aid dialog, click Run, then follow the onscreen instructions. Is a hot staple gun good enough for interior switch repair. I am pretty sure I have everything backed up elsewhere. If unfortunately, you have lost some or all of your files, you can restore them from backup. Disk utility cannot fix apfs volumes if they have mounted time machine volumes on them. Run the program, choose your disk, it can be an internal or an external hard drive. Ask Different is a question and answer site for power users of Apple hardware and software. You need to check each file in the list of affected files. And beneath each disk you should see any containers and volumes on that disk. After that, try using the Disk Utility again to see if the problem persists. Keep moving up the list, running First Aid for each volume on the disk, then each container on the disk, then finally the disk itself. Repair Time Machine Backup: Failed, Corrupted, Missing, Problem #3. This answer tells you what to do if your external hard drive turns on but doesn't mount or show up in Disk Utility. It works for internal and external hard drive, memory card, pen drive, etc. Support recovering 200+ formats: documents. 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. In this example, the last volume on the disk is Macintosh HD - Data. But why did Disk Utility's First Aid would fail on external hard drives? Select the external hard drive and click Erase on the top toolbar. Or try to copy that volume via rsync or dd to another volume, then copy/restore that back to a freshly formatted Time Capsule. Apple's implementation for that is highly non standard and added on as an afterthought. If the disk that has the Disk Utility can't repair this disk error is your internal hard drive, just stick to the file system given. : (-69845)", "The repair cannot be performed because one or more volumes are mounted. Some problems in macOS sometimes cause failure when mounting the disk. (This method is used in this guide) 308, 3/F, Unit 1, Building 6, No. provided; every potential issue may involve several factors not detailed in the conversations Once the Disk Utility App opens, click the "View" menu. Order of operations is all volumes first, then the container and finally the disk itself. Click the First Aid button. 3. (Untitled means unmounted on Mac computer.). What does First Aid do in Disk Utility? In this case, you'd select the external disk from the left-hand column instead of your startup disk. Did any DOS compatibility layers exist for any UNIX-like systems before DOS started to become outmoded? 3. I noticed some unusually high drive activity, and opened up Time Machine to see if it was backing up. 2. 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? Revisions might get lost that way. 2. Time Capsule is just one Time Machine disk, so don't confuse the two. This website uses cookies in order to provide you with the best possible experience and to monitor and improve the performance of the site in accordance with our cookie policy. 1. one example to move away from pure opinion. As the Disk Utility window will open, you can view the Macintosh HD and the available partitions (or the external sources). Repeat steps 6 to 8 for each container on the storage device. Here's how to open First Aid on Mac and use it to repair disk errors. 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. Would that mean that I no longer can clone the OS Mojave back? 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 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. Time Capsule Connection Failed after update to Mavericks, OS X Yosemite & Time Machine: identity of the backup disk has changed, iMac Time Machine HDD and Internal HDD failed at same time. Ltd. All Trademarks Acknowledged. 1. Open Disk Utility from the Recovery Mode again. Click on First Aid, then on Repair Disk. You may need to switch Time Machine toOn-Off-Onand then reboot the Time Machine again. Here you can find the step-by-step instructions to fix macOS can't repair your disk by formatting. FSCK command can be run to repair a boot disk or a non-boot disk. 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. You will need to open Disk Utility in Recovery Mode. Repeat steps 2 through 4 for each volume on the storage device. In the sidebar, select a container, then click the First Aid button . 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