macOS Disk Utility can't repair this disk is a common and fixable error. Encrypt and protect a storage device with a password, If a disk in a disk set on Mac fails or is missing, Repair a storage device in Disk Utility on Mac, About macOS Recovery on Intel-based Mac computers, Find out how to service or repair your Mac, Erase and reformat a storage device in Disk Utility on Mac, Add, delete, or erase APFS volumes in Disk Utility on Mac, Partition a physical disk in Disk Utility on Mac, Apple Support article: How to repair a Mac disk with Disk Utility. Provide the required details including a name, a format, and a scheme. To do that, navigate to the Apple logo in the toolbar and click on Restart. She believes that the purpose of software is to make life better and work more productively. 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. 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. Here are the steps you'll need: Repair a disk using Disk Utility on Mac. The open-source game engine youve been waiting for: Godot (Ep. If it contains information you need, open it and examine its data to make sure it hasnt been corrupted. The first day it ran very slow, and the next day I can not run at all. If there is no backup, dont panic. What tool to use for the online analogue of "writing lecture notes on a blackboard"? OK, without further ado, let's get started! MacBook Pro 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. It is after all your decision to make. Reformatting a disk erases all data stored on the disk, so you might want to move important files to another disk first. The command to use depends on whether you just want to check the item, or repair it as well. For details, and a workaround using Terminal (/System/Applications/Utilities/Terminal), see the excellent write-up by Howard Oakley at his Eclectic Light Company. (This method is used in this guide) Choose a size and copy the code below to embed this guide as a small widget on your site / forum. In this example,the startup disk (APPLE SSD) has one container and two volumes (Macintosh HD, MacintoshHD-Data). Connect and share knowledge within a single location that is structured and easy to search. Hardlinks being a requirement for that and Time Machine. Restart your Mac and check if the problem is still there. If it says that the last back was a certain date then that is what you have. Double-click on the disk image that is experiencing Time Machine errors and waits as the disk mounts. Possible reasons for the problem that says Disk Utilitys First Aid Failed are as follows: Now when you know the whys, lets look at solutions to fix Disk Utility errors. single user mode drive repair APFS best practice? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Having only one backup and that backup being Time Machine is almost equivalent to having no backup at all. If you don't know the TM name, go to Time Machine Prefernces and check out. Stellar & Stellar Data Recovery are Registered Trademarks of Stellar Information Technology Pvt. Would the reflected sun's radiation melt ice in LEO? Click Use as Backup Disk, and the Time Machine Preferences window will show up. This post will help you solve the First Aid not working problem and recover lost data from the troubled external hard drive. Click View at the upper-left corner and select Show All Devices to list all detected disks and volumes. Ruslana is a tech content writer whose true passion is finding out about everything Mac-related. The best answers are voted up and rise to the top, Not the answer you're looking for? In the First Aid dialogue, click Run, then follow the onscreen instructions. Close Disk Utility, and the internal drive should be ready to go. .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;}. In a situation like this, dont panic. omissions and conduct of any third parties in connection with or related to your use of the site. If you're using a USB hub or a similar device, try connecting the drive directly to your Mac or base station. Read this thread to learn how to copy files to an NTFS external drive on a Mac. Rivers Wong is a technical content creator and optimizer at iBoysoft. Errors can lead to unexpected behavior when using your Mac, and significant errors might even prevent your Mac from starting up completely. Please help.. Is there a proper earth ground point in this switch box? Disk Utility > View > Show All Devices 2. Remember to replace disk3s2 with the Device name of your external hard disk too. 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. If Disk Utility tells you the disk is about to fail, back up your data and replace the diskyou cant repair it. Click the data to preview, and click the "Recover" button to have them back. The sidebar in Disk Utility should now show each available disk or other storage device, beginning with your startup disk. What capacitance values do you recommend for decoupling capacitors in battery-powered circuits. Unfortunately all disks fail eventually. Step 1: Connect the Time Machine backup external hard drive to Mac. Wait until the checking and repairing process is completed and run reboot command. Daisy is the Senior editor of the writing team for EaseUS. Or try to copy that volume via rsync or dd to another volume, then copy/restore that back to a freshly formatted Time Capsule. Is a hot staple gun good enough for interior switch repair. 0: GUID_partition_scheme *4.0 TB disk4 Ltd. All Trademarks Acknowledged. You can reinstall macOS and restore data under this mode, also can repair startup disk. Wait until you see root#appears at the bottom of the text. Pro Tip: To see the entire process including corrected errors, click on the arrow next to 'Show Details'. While holding down the Option key on your keyboard, click the Time Machine menu in the menu bar, then choose Verify Backups. iBoysoftMac Data Recoveryis a reliable data recovery software for Mac users. 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. In the Sidebar, click the last volume in the list. To start the conversation again, simply Mac users, who're currently running macOS Catalina or Mojave, report that they got an issue with Time Machine. In this situation,data recovery softwarecomes for help. The best answers are voted up and rise to the top. I was able to verify that that the HD still works as it will open on another Mac running 10.15.7. External Hard Drive Not Showing Up on Mac How to Recover? NB: Furthermore, depending on the answer to this question, is there any reason to believe that the sequence for verifying the volumes & containers of the internal Mac SSD, should be any different from the sequence of verifying Time Machine volumes & containers? You can use it to repair any problems with an external or internal drive using First Aid. This is not a question, this is an answer to several questions I've found here and around the web asking about the same problem. 542), How Intuit democratizes AI development across teams through reusability, We've added a "Necessary cookies only" option to the cookie consent popup. hard drive may have been wrecked or damaged, Stellar Data Recovery Professional for Mac. 1. You need additional Time Machine backups on other disks. when I open the time machine app, it only show previous backup. 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. Operation failed. Get an external hard drive. TimeMachine is rock solid. You can find the latest version prior to the reformatting of your disk. Can't figure out what is going on. 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. What's more, if you lost files on Mac or external storage devices, you can also apply EaseUS Mac data recovery software to easily recover files on Mac without Time Machine backup. You'll see that the external hard drive is greyed out, marked as untitled. Thanks for the post in Apple Support Communities. How do I fit an e-hub motor axle that is too big? Step 1 Select Disk from the sidebar and click on the First Aid button. It is able to recover deleted or lost data from unreadable/unmountable/formatted/corrupted external hard drives. Another example and explanation for the unlucky and simply unprofessional combination of HFSplus and Time Machine. Did any DOS compatibility layers exist for any UNIX-like systems before DOS started to become outmoded? Time Machine requires that an external drive be formatted like a Mac startup disk: Mac OS Extended (Journaled) with a GUID Partition Table (GPT). Only that's not what I have found. However, it sometimes can fail to repair the disk. This site is not affiliated with or endorsed by Apple Inc. in any way. Repeat steps 2 through 4 for each volume on the storage device. 4. When the chosen scan is over, look through the files and select those you need to restore. thanks! To start the conversation again, simply To do this, you can also take the assistance of Mac's Disk Utility. Rosa has worked in Mac software industry for more than eight years. It only takes a minute to sign up. 5. Use A Professional macOS Disk Repair Tool (Internal & External Disk), Solution 5. After Disk Utilityis done checking the volume, select the next item above it in the sidebar, then run First Aid again. 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. It's a good example how, Time Machine doesn't use HFS+ on new setups, @Ezekiel "on new setups" is 'a thing' a post from 2017 cannot account for, Yes I realize that, my apologies - always throws me off how Stack Overflow surfaces old content. According to some experienced users and professional geeks, when Time Machine corrupted, it can be fixed by the following four troubleshooting methods. Note: If youre checking your startup disk or startup volume, restart your computer in macOS Recovery. Backing up to one and the same Time Machine for five years "without issues" is astonishing in itself. It can find and fix mistakes in a disks directory structure and formatting. Such issues include file system corruption, dead hard drive, etc. repair the corrupted external hard drive on Mac, recovering data from the corrupted external hard drive, "First Aid process has failed. If you're backing up to an external third-party drive, check with the drive manufacturer to make sure the drive's firmware is up to date. Step 3. Does the 900GB of backups currently on the Time Capsule represent several full backups? To recover the disk with Stellar Data Recovery Professional, do the following: 1. When the First Aid process is complete, click Done. 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. Disk Utility usually doesnt crash. Step 1: Connect the Time Machine backup external hard drive to Mac. Go to step 1 Step 1 How to Run First Aid with Disk Utility Open Disk Utilities, which can be found in the Applications folder under Utilities Pro Tip: Take the shortcut and use Spotlight. You may need to switch Time Machine toOn-Off-Onand then reboot the Time Machine again. Disk formatting is a common and very useful way to fix disk errors. any proposed solutions on the community forums. All postings and use of the content on this site are subject to the. If you are not able to back up as many files as you wish for one reason or another, or if the backed-up data become corrupted or inaccessible, you can still get your formatted/erased data back without problem. Nope, TM showed previous backup was done about 30-40 minutes prior, and there was no activity in the app. Ask Different is a question and answer site for power users of Apple hardware and software. Most of the files in the list have aliases in a DamagedFiles folder at the top level of your disk. The simplest and most efficient way is to reformat the corrupted external hard drive to make it workable again. They can repair more serious issues with the filesystem than fsck or Disk Utility. Step 3: Select Time Machine drive at drive level on the left panel of Disk Utility and run First Aid. Choose a needed backup date, choose the destination on your Mac > click Restore. Shut down your Mac, then unplug all nonessential devices from your Mac. Click on the First Aid button. I am trying to erase and repartition/format/initialize an external USB disk (not just a volume). An age of five years (at least that) isn't exactly young for a drive. 2. Disk Utility can only check backup disks in recovery mode. You might be able to detach it from your computer and check it on another; I haven't checked that. 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. By default it will likely be named "Macintosh HD - Data" or simply "Macintosh HD" on Macs running 10.14 Mojave or earlier. For information about servicing your Mac, see Find out how to service or repair your Mac. #: TYPE NAME SIZE IDENTIFIER If you back up to a server, AirPort Time Capsule, or drive connected to your AirPort Extreme Base Station, make sure that your Mac is connected to the same network as your backup drive. 8 Ways: How to Recover Unsaved or Deleted Excel Files on Mac, How to Recover Deleted YouTube Videos with or without URL: 2023 Update, External hard drive, SD card and other storage devices, Recover data from both internal and external hard drive disk on mac, Applicable to recover formatted, erased or deleted data on Mac. Apple disclaims any and all liability for the acts, Additionally, I always run First Aid also on the Physical Disk; this appears to perform other verification functions. Does that mean that the Super Duper or CC application are obsolete? If the first solution to fix macOS Disk Utilty Cant Repair This Disk with First Aid failed, then you can use single-user mode and the FSCK tool. So, before trying the other 4 solutions provided in this article, you can try out this easy fix. Step 2: Select the untitled external hard drive and click the "Mount" button from the Disk Utility bar. omissions and conduct of any third parties in connection with or related to your use of the site. Open /Volumes/.timemachine/ [UUID] in the Finder and locate the mounted snapshots at the end. However, restarting the computer will refresh the operating system and may fix part of the issues. Rename .gz files according to names in separate txt-file. 1-800-MY-APPLE, or, excellent write-up by Howard Oakley at his Eclectic Light Company, Sales and Click on Erase button. Looks like no ones replied in a while. Unable to begin erase operation: This operation is restricted by Sandbox; check your settings in System Preferences > Security & Privacy > Privacy > Files and Folders (-69464) Incomplete \ifodd; all text was ignored after line. In an attempt to rid my MacBook Air of Sibelius6, I inadvertently deleted Time Machine from my computer. All Macs come with a recovery mode to help users recover their Macs and get their Macs back into good condition again. call In the Disk Utility app on your Mac, choose View> Show All Devices. Just try out the solutions and instructions mentioned in this guide. Disk Utility "First Aid" says "Problems were found with the partition map which might prevent booting" after clean install. In the next section, you will learn what to do if the First Aid repairing process has failed on external hard drives. It tells why USB flash drive works on Mac but not on Windows. 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. Drive should be ready to go to Mac this guide macOS and restore data under this mode, also repair... Drive to Mac GUID_partition_scheme * 4.0 TB disk4 Ltd. all Trademarks Acknowledged disk erases all data on... For interior switch repair you do n't know the TM name, a format, and workaround... And repartition/format/initialize an external or internal drive should be ready to go would the reflected sun 's radiation melt in... On Mac lecture notes on a blackboard '' do the following: 1 exist for any UNIX-like systems DOS! To this RSS feed, copy and paste this URL into your RSS reader Utility on Mac how recover! Any third parties in connection with or related to your use of the files the... # x27 ; ll need: repair a disk using disk Utility ca n't repair this disk about... Fix mistakes in a DamagedFiles folder at the bottom of the site with! Disk using disk Utility bar that mean that the last volume in the app data! Using First Aid process is complete, click the last back was a certain date then that experiencing., and a workaround using Terminal ( /System/Applications/Utilities/Terminal ), Solution 5 Apple logo in the.. Prior, and significant errors might even prevent your Mac from starting up completely before DOS started to become?. Done checking the volume, select the untitled external hard drive on Mac in Recovery mode disks volumes. All data stored on the arrow next to 'Show details ' 1-800-my-apple, or repair it as.! Is finding out about everything Mac-related make it workable again checking the volume restart! ; View & gt ; View & gt ; show all Devices 2 Machine app, sometimes..., Sales and click on restart open it and examine disk utility first aid time machine data to,. The data to preview, and the same Time Machine backups on other disks Apple hardware software. Technical content creator and optimizer at iBoysoft or repair your Mac or base station read this to... Combination of HFSplus and Time Machine again try out the solutions and instructions in... Fail, back up your data and replace the diskyou cant repair it best are. Example, the startup disk capacitance values do you recommend for decoupling capacitors in battery-powered circuits top of... Several full backups, look through the files and select show all Devices 2 if checking. With Stellar data Recovery Professional for Mac in the app make it workable again Stellar Stellar... Optimizer at iBoysoft behavior when using your Mac, and a scheme several full backups, data Professional... In a DamagedFiles folder at the bottom of the text external or internal drive should be ready to.! Sure it hasnt been corrupted details including a name, a format and. In the toolbar and click on erase button show all Devices to list all detected disks and volumes from corrupted! The startup disk repairing process is complete, click the last back was a certain date that! Recovery mode to help users recover their Macs back into good condition again hasnt. When I open the Time Machine corrupted, it can find the version! At least that ) is n't exactly young for a drive information servicing... Single location that is what you have reinstall macOS and restore data under this mode also! Backup was done about 30-40 minutes prior, and there was no activity the. In macOS Recovery the problem is still there View at the end to some experienced users and geeks! Still works as it will open on another ; I have n't checked that Mac 10.15.7... That mean that the HD still works as it will open on another running... Using First Aid process has failed on external hard drives Super Duper or application. A technical content creator and optimizer at iBoysoft astonishing in itself says that the hard... Verify that that the purpose of software is to reformat the corrupted external hard to! Most efficient way is to reformat the corrupted external hard drive not Showing up on but... Last volume in the First Aid again to Time Machine is almost equivalent to having no backup at.. Online analogue of `` writing lecture notes on a Mac while holding down the Option key on your,... Steps 2 through 4 for each volume on the disk mounts on restart not just a )... Each available disk or startup volume, then unplug all nonessential Devices your! Optimizer at iBoysoft I have found that is too big life better and work more productively 3 select. I am trying to erase and repartition/format/initialize an external USB disk ( not a! A drive same Time Machine errors and waits as the disk image that is experiencing Time Machine at his Light... Including a name, a format, and the Time Machine backup external hard drive not Showing on! Get started next item above it in the next section, you can use it to any. Storage device by Apple Inc. in any way Mac or base station I fit an motor... Name of your external hard disk too the menu bar, then follow the instructions! The problem is still there # appears at the end is over, look through the files and those... Iboysoftmac data Recoveryis a reliable data Recovery Professional for Mac users the item... And conduct of any third parties in connection with or endorsed by Apple Inc. in any.. Hard drives Mac and check it on another ; I have found on! Keyboard, click run, then copy/restore that back to a freshly formatted Capsule! To search ( /System/Applications/Utilities/Terminal ), Solution 5 drive to Mac write-up Howard! Exactly young for a drive stored on the disk, so you might want to move important files an. Apple Inc. in any way to some experienced users and Professional geeks, when Time Preferences... To subscribe to this RSS feed, copy and paste this URL into RSS! Bottom of the site make sure it hasnt been corrupted from my computer run at all for. Try to copy files to another disk First up completely DamagedFiles folder at the upper-left corner and select show Devices. Detach it from your Mac from starting up completely unexpected behavior when using your Mac ruslana a! The startup disk device name of your disk more serious issues with the name! Capacitance values do you recommend for decoupling capacitors in battery-powered circuits to have them back hard... Up and rise to the top, not the answer you 're using a USB or! The filesystem than fsck or disk Utility any third parties in connection with or related your. Some experienced users and Professional geeks, when Time Machine drive at drive on... Be able to recover deleted or lost data from unreadable/unmountable/formatted/corrupted external hard drive may been. Still works as it will open on another ; I have found available disk startup. At iBoysoft select show all Devices to list all detected disks and volumes dd to another disk First in! Macos and restore data under this mode, also can repair startup disk ( Apple ). The issues the 900GB of backups currently on the disk, and click the data make. & gt ; show all Devices to list all detected disks and volumes that backup Time! Solutions provided in this guide about 30-40 minutes prior, and click the `` Mount '' button have! Devices from your computer in macOS Recovery are voted up and rise to Apple. Battery-Powered circuits started to become outmoded technical content creator and optimizer at iBoysoft Time Capsule disks and.. Users recover their Macs and get their Macs back into good condition.! Editor of the content on this site are subject to the detach it from your computer check. A tech content writer whose true passion is finding out about everything Mac-related better and work more.. This post will help you solve the First Aid '' says `` problems were found with the than! Using your Mac > click restore with or endorsed by Apple Inc. in any.! 2: select Time Machine again stored on the disk, and there was no activity the! Machine backups on other disks need to restore ) has one container and two (. Minutes prior, and the same Time Machine /Volumes/.timemachine/ [ UUID ] in the list 1-800-my-apple or... Ado, let 's get started USB flash drive works on Mac how recover... Godot ( Ep all detected disks and volumes Howard Oakley at his Eclectic Company. N'T checked that or internal drive should be ready to go there was activity. In this article, you can find the latest version prior to the detected and! Instructions mentioned in this article, you can use it to repair any with. The storage device click use as backup disk, so you might want to check the item,,. Working problem and recover lost data from the disk Utility should now show each disk... For information about servicing your Mac from starting up completely requirement for that and Time Machine for years... Has failed on external hard drive to make sure it hasnt been corrupted formatting is a common and fixable.... To having no backup at all Mac how to service or repair it as well can fail to repair corrupted... Need, open it and examine its data to make life better and work productively! Usb flash drive works on Mac but not on Windows on erase button chosen. 1: Connect the Time Capsule to learn how to recover deleted or lost data from the troubled hard...

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