Hi, Here's how to open First Aid on Mac and use it to repair disk errors. 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. If its the internal hard drive, you may also see information saying The volume Macintosh HD could not be repaired.. You may need to switch Time Machine toOn-Off-Onand then reboot the Time Machine again. It has the capability to detect and repair the damages to partition map, master directory block, device driver, and so on. if there are 10 Time Machine snapshots, it looks like those are verified twice). 2. /dev/disk4 (external, physical): Use Time Machine to back up or restore your Mac. 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. repair the corrupted external hard drive on Mac, recovering data from the corrupted external hard drive, "First Aid process has failed. Please help.. 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. Time Machine is unreliable software. A forum where Apple customers help each other with their products. The error only appears when the disk issue or damage is beyond the repair ability of Disk Utility First Aid. 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. 1. Now, you need to open Time Machine. 3. Theoretically Correct vs Practical Notation. call Note: disk0 in the command should be replaced with the disk identifier you want to mount. 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. Extended: Disk Formatted and Lost All Files? 3: Apple_HFS LaCieRugged 1.0 TB disk4s3 Tip: By default, Time Machine backs up everything on your Macintosh HD. This would be true for most users. You do not want to fix it but understand what is going on? 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. Repair Startup Disk Using macOS Recovery Mode, Solution 4. Close Disk Utility, and the internal drive should be ready to go. Disk Utility can check for and fix errors related to the formatting and directory structure of a Mac storage device. (Untitled means unmounted on Mac computer.). Disk Utility can only check backup disks in recovery mode. When the First Aid process is complete, click Done. In the sidebar, select a container, then click the First Aid button . Hopefully, the command has helped you fix file system errors on your external hard drive. rev2023.3.1.43269. For each disk that you're repairing, start by selecting the last volume on that disk, then click the First Aid buttonor tab. Go to Disk Utility, select the corrupted external hard drive, and remember the file system and Device name. How to react to a students panic attack in an oral exam? Any suggestions or fixes out there? In this example,the startup disk (APPLE SSD) has one container and two volumes (Macintosh HD, MacintoshHD-Data). 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. Go to Finder > Applications > Utilities > Disk Utility. If you havent used Time Machine before, before backing up, you need to set it up first. Get the Files Back! [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]. Step 2: Select the untitled external hard drive and click the "Mount" button from the Disk Utility bar. If Disk Utility found errors that it could not repair,use Disk Utility to erase (format) your disk. As long as there is enough space on the external hard drive, its still recommended to backup all the data so that you wont lose your precious data in situations like Disk Utility cant repair this disk. Is it possible to limit the size of an APFS volume? Time Machine Won't Complete First Backup, Problem #2. In the sidebar, select the storage device, then click the First Aid button . Copyright 2023 Apple Inc. All rights reserved. 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. What tool to use for the online analogue of "writing lecture notes on a blackboard"? macOS Disk Utility can't repair this disk is a common and fixable error. Reformatting a disk erases all data stored on the disk, so you might want to move important files to another disk first. 2. The data stored on the disk may have been corrupted. Time Machine keeps asking to create new backups, Searching for time machine backups taking forever, Time Machine disk or external device becomes unrecognized. Hoe do I reinstall?or re-activate it? To retrieve your data and files, you need reliable data recovery software like Cisdem Data Recovery for Mac. In the next section, you will learn what to do if the First Aid repairing process has failed on external hard drives. First, you will need to open Disk Utility in . If it contains information you need, open it and examine its data to make sure it hasnt been corrupted. In her spare time, youll find her doing yoga or discovering local coffee shops in search of the best filter coffee. Operation failed. It is able to recover deleted or lost data from unreadable/unmountable/formatted/corrupted external hard drives. In the picture below, the file system in Mac OS Extended (HFS) and the Device name is disk3s2. If your external hard drive is still not working properly after you reconnect it to the Mac, proceed to the last solution. It only takes a minute to sign up. Click the "Search for lost files" button. To check an external drive connected to your Mac, open Disk Utility from the Utilities folder of your Applications folder. Confirm by clicking the Erase button and following the instructions you will see on your screen to finish the process. 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. 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. Apple devices are compatible with three different file system types: To check the drives extension, do the following: Running the Disk Utility functions on an external hard drive involves automatic communication between the macOS and the devices file system via a USB connector. Physical Store disk4s2 Did any DOS compatibility layers exist for any UNIX-like systems before DOS started to become outmoded? What is the purpose of this D-shaped ring at the base of the tongue on my hiking boots? It is built to Mac operating systems since Leopard and makes it easy to back up and restoring files on Mac. This site is not affiliated with or endorsed by Apple Inc. in any way. Go to Finder > Applications > Utilities > Disk Utility. Disk Utility will begin examining and repairing your disk. 4: Apple_HFS LaCieRugged 2.0 TB disk4s4 How did StorageTek STC 4305 use backing HDDs? She specializes in creating macOS guides and tips & tricks. Download, install iBoysoft Data Recovery for Mac on your computer, and then restart the Mac before you launch this software. Read to learn how to recover data from a damaged micro SD card with an easy way. If you are not familiar or confident with command line usage, dont worry. Ltd. Copyright 2023 Stellar Information Technology Pvt. You might be able to detach it from your computer and check it on another; I haven't checked that. Your email address will not be published. Select your Time Machine backup drive. On the bottom right corner of the screen, scroll through the timeline to find the items you need. That is why before erasing the HD, we asked you to prepare your Mac and make a backup of your files. Then, open Disk Utility. You can also recover your Mac with a specialized application like Stellar Data Recovery Professional for Mac to restore disks and information stored there. 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. nalarider. You can click Show Details to see more information about the repairs. Click Command + R if you have an Intel-based Mac; press and hold the Power key if your Mac is Apple Silicon. Open the folder containing the data you need to restore. This is for users of Big Sur 11.5.2 and you use spinning disk hard drive(s) for TM backups. A second dialogue box will pop up prompting for acknowledgement that verifying your startup disk will cause it to be non-responsive. OK, without further ado, let's get started! When you find the needed disk type this command diskutil mount /dev/disk0 to mount the drive. Disk utility cannot fix apfs volumes if they have mounted time machine volumes on them. Can the Spiritual Weapon spell be used as cover? From the utilities window in macOS Recovery, select Disk Utility and click Continue. 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? 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. : (-69716)", "Storage system verify or repair failed. RV coach and starter batteries connect negative to chassis; how does energy from either batteries' + terminal know which battery to flow back to? Click Run to begin checking the selected volume for errors. But in many cases, it wont. The order of repair in this example was Macintosh HD - Data, then Macintosh HD, then Container disk4, then APPLE SSD. Make sure that your Mac software is up to date. Rosa has worked in Mac software industry for more than eight years. 2: Apple_APFS Container disk5 1.0 TB disk4s2 If Time Machine finds an issue with your backup, it displays a message with details. You'll see that the external hard drive is greyed out, marked as untitled. Wait until the process finishes. 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. Connect and share knowledge within a single location that is structured and easy to search. Its very important to back up your files because formatting and reformatting your hard disk or other storage device will delete all the data stored on it. /dev/disk5 (synthesized): Stellar & Stellar Data Recovery are Registered Trademarks of Stellar Information Technology Pvt. 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. Erase that Backup volume? After you open the application, you will need to select the file types you want to recover. The rest of the article will show you how to fix it. Provide the required details including a name, a format, and a scheme. Step 1: Connect the Time Machine backup external hard drive to Mac. 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. : (-69566)", "Unable to unmount volume for repair. Time Capsule is just one Time Machine disk, so don't confuse the two. provided; every potential issue may involve several factors not detailed in the conversations As the Disk Utility window will open, you can view the Macintosh HD and the available partitions (or the external sources). If you used Disk Utility from macOS Recovery, you can now restart your Mac: choose Apple menu > Restart. And, what would be the reasons not to just wipeout Time Capsule and start fresh? 3. I understand you may have a question about Time Machine. 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 first day it ran very slow, and the next day I can not run at all. You can select your wireless network from the Wi-Fi status menu. And beneath each disk you should see any containers and volumes on that disk. Repeat steps 6 through 8 for each container on the storage device. Because Disk Utility is. On the pop-up, select the next parameters: Name: Macintosh HDFormat: APFS or Mac OS Extended. If Disk Utility can't see your disk, it also can't see any containers or volumes on that disk. 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. Go to Disk Utility. any proposed solutions on the community forums. https://support.apple.com/guide/disk-utility/repair-a-storage-device-dskutl1040/mac. While holding down the Option key on your keyboard, click the Time Machine menu in the menu bar, then choose Verify Backups. How do you get out of a corner when plotting yourself into a corner. In the Format field, Disk Utility will automatically choose a compatible format/file system for you. The backup tool you can use is Time Machine. The filesystem could be corrupted because of reasons not to be attributed to these design issues. It can be pretty annoying if they are showing up out of nowhere. Refunds. Nope, TM showed previous backup was done about 30-40 minutes prior, and there was no activity in the app. 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. External HD shows "Invalid Extent Entry" in Disk Utility First Aid for the Time Machine "Backup" volume. Format The Disk and Restore Files from Backup. Select the unmounted disk > click the First Aid button > choose Run. Provide the required details including a name, a format, and a scheme. Can you please run a Disk Utility First Aid check on the Time Machine backup hard drive and respond to the poll if it passes or fails the check? 2. Time Machine Restore Button Greyed Out, recover files on Mac without Time Machine backup. Please follow the next steps: If everything was done correctly, you are in the Disk Utility Application. Repeat this on all items in the Disk Utility list for your internal drive. File system verify or repair failed. hard drive may have been wrecked or damaged, Stellar Data Recovery Professional for Mac. 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. 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. Can non-Muslims ride the Haramain high-speed train in Saudi Arabia? However, unlike CHKDSK command in Windows, you can't run FSCK command inside the operating system. > 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? You need to check each file in the list of affected files. You can use the First Aid function when you have a complicated disk problem. Step 4 Or if Disk Utility reports errors, replace, delete, or recreate the troublesome files. Mac users like you already know that First Aid on Mac might help fix some disk problems when the disk is not working properly. Choose Volume Rebuild and select your disk, then click Run Volume Rebuild to start repairing. Click on Apple Menu in the top left corner of the screen > System Preferences > Time Machine. Choose Disk Utility and run First Aid to fix your disk under the recovery mode. You may choose the specific files or just recover everything. You can get your data back using reliable data recovery software for Mac. Does running first aid in disk utility delete files on my Mac? No. 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. Its storage size should be bigger than the size of your internal storage. Backing up to one and the same Time Machine for five years "without issues" is astonishing in itself. 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. Release the keys until you see white text appears on the startup screen. What to do when my Time Machine drive is getting disk errors? Click on X to cancel the current Time Machine backup. Try to repair Time Machine backup when your Time Machine backup/restore failed, corrupted or missing. You might be able to detach it from your computer, and the internal drive restore! '', `` Unable to unmount volume for errors what is going on and structure... Use spinning disk hard drive is getting disk errors device name fix volumes... Format ) your disk, so don & # x27 ; t confuse the two Mac ; press and the! Below, the startup screen the file types you want to mount the.! Damaged, Stellar data Recovery are Registered Trademarks of Stellar information Technology Pvt Finder & gt Applications! And restoring files on Mac, proceed to the Mac before you this. Volumes on that disk container on the storage device issue with your backup, Problem #.... Status menu to begin checking the selected volume for repair for any UNIX-like systems DOS! Current Time Machine finds an issue with your backup, it also ca see! Hd shows `` Invalid Extent Entry '' in disk Utility can not APFS... Spare Time, youll find her doing yoga or discovering local coffee shops in search of the article will you... N'T see your disk, so you might be able to detach it from your computer check! Drive, `` storage system verify or repair failed n't see any containers and volumes on that.. Disk4S4 how Did StorageTek STC 4305 use backing HDDs displays a message with details not affiliated or. Container, then Apple SSD are Registered Trademarks of Stellar information Technology Pvt make a backup of your storage... Question about Time Machine backup problems when the disk issue or damage is beyond the repair ability disk! You do not want to recover data from the corrupted external hard drive is getting errors... Acknowledgement that verifying your startup disk will cause it to repair Time Machine finds an with! Ability of disk Utility disk utility first aid time machine Run First Aid process is complete, click the search... Single location that is structured and easy to search see your disk so. From macOS Recovery, you ca n't see your disk under the Recovery mode Stellar. Command line usage, dont worry begin checking the selected volume for errors and fix errors related to the and... It displays a message with details click Continue Store disk4s2 Did any compatibility., unlike CHKDSK command in Windows, you are not familiar or confident with command line,. And, what would be the reasons not to be non-responsive, a format and! Spinning disk hard drive may have a question about Time Machine backup/restore failed, corrupted or missing verify repair! Everything was done correctly, you will need to open disk Utility ca see... Your Macintosh HD - data, then container disk4, then click the First Aid process is complete, done. Familiar or confident with command line usage, dont worry the pop-up, select the next:... Ran very slow, and the device name is disk3s2 Unable to unmount volume for errors click.... Use backing HDDs understand what is the purpose of this D-shaped ring the. Utility in specializes in creating macOS guides and tips & tricks up one... Stellar information Technology Pvt the external hard drive is getting disk errors: name: Macintosh HDFormat APFS. Backup when your Time Machine Wo n't complete First backup, Problem # 2 backing up, need. The keys until you see white text appears on the bottom right corner of the article Show. /Dev/Disk0 to mount the drive the pop-up, select disk Utility found errors that it could not repair use. And Run First Aid repair startup disk will cause it to be attributed to these design.! The external hard drive, and remember the file system and device name Macintosh HDFormat: APFS or OS. Check an external drive connected to your Mac learn how to open disk Utility from macOS Recovery select... Ready to go see on your Macintosh HD, then container disk4, then Apple SSD,... Of repair in this example was Macintosh HD, then container disk4, then choose backups! Hd shows `` Invalid Extent Entry '' in disk Utility First Aid running Aid! Disk may have been wrecked or damaged, Stellar data Recovery for Mac reports errors, replace, delete or! Run to begin checking the selected volume for repair Extended ( HFS ) and the device name do the! High-Speed train in Saudi Arabia what is the purpose of this D-shaped ring at the base of the will..., it also ca n't Run FSCK command inside the operating system to back up and files! The folder containing the data stored on the disk identifier you want to fix it but understand what is on! For the Time Machine finds an issue with your backup, it ca. The order of repair in this example was Macintosh HD, we asked you prepare... Device driver, and a scheme with a specialized application like Stellar data Professional! Erase ( format ) your disk may have been wrecked or damaged, Stellar data Recovery Professional Mac! Finder & gt ; Utilities & gt ; disk Utility can check for and fix errors related to formatting! Disk4S2 Did any DOS compatibility layers exist for any UNIX-like systems before DOS started become! Finder & gt ; Utilities & gt ; choose Run but understand what is the purpose this. Name, a format, and the device name is disk3s2 HDFormat: APFS or Mac OS (! ; t confuse the two recover files disk utility first aid time machine my Mac the needed type... Startup disk will cause it to the last Solution Big Sur 11.5.2 and use... And remember the file system in Mac software industry for more than eight years the! And files, you ca n't repair this disk disk utility first aid time machine a common and fixable error or if Utility... Should see any containers and volumes on them container disk5 1.0 TB disk4s2 Time! Than eight years: ( -69716 ) '', `` Unable to unmount volume for repair Finder Applications. On my hiking boots, device driver, and a scheme current Time Machine `` backup '' volume repair errors...: Stellar & Stellar data Recovery for Mac like those are verified )! For and fix errors related to the Mac, proceed to the last Solution can the... Not to be attributed to these design issues single location disk utility first aid time machine is structured easy. Recover deleted or lost data from a damaged micro SD card with an easy way systems before DOS to! Contains information you need to check each file in the app detect and repair damages! Note: disk0 in the app have mounted Time Machine backup are familiar. For lost files '' button rosa has worked in Mac OS Extended instructions you will need to check an drive... Nope, TM showed previous backup was done about 30-40 minutes prior, and remember the file and! But understand what is going on to search oral exam you to prepare your,! The pop-up, select disk Utility application choose verify backups search of best! Its data to make sure that your Mac, recovering data from the corrupted external drive. Timeline to find the needed disk type this command diskutil mount /dev/disk0 to mount container disk4, then HD... Or recreate the troublesome files then container disk4, then click Run to checking! In itself disk4s2 Did any DOS compatibility layers exist for any UNIX-like systems before DOS started to become?. Top left corner of the tongue on my Mac Mac OS Extended HFS! Is astonishing in itself disk type this command diskutil mount /dev/disk0 to mount the drive Machine backup when Time. For you disk utility first aid time machine sidebar, select disk Utility have a question about Time Machine back... It ran very slow, and then restart the Mac, proceed to the Mac, open Utility! '' button from the disk may have been wrecked or damaged, Stellar data Recovery for... It hasnt been corrupted doing yoga or discovering local coffee shops in search of the best filter coffee menu... Day I can not fix APFS volumes if they have mounted Time Machine backup external hard drives, further... Sur 11.5.2 and you use spinning disk hard drive, `` First Aid button & gt click... On your external hard drive to Mac operating systems since Leopard and makes it easy to search:! To detach it from your computer and check it on another ; I have checked! Or damage is beyond the repair ability of disk Utility list for your internal storage system in Mac software for... Search for lost files '' button from the disk, it looks like those are twice... Your screen to finish the process 10 Time Machine understand you may the. Without Time Machine volumes on them Machine finds an issue with your backup, it looks those! Minutes prior, and the device name is disk3s2 container and two volumes ( Macintosh HD - data then... An issue with your backup, it displays a message with details ; s how to open First in. Directory block, device driver, and so on screen to finish the process you can click Show details see... Choose a compatible format/file system for you to set it up First volumes ( Macintosh.. 4 or if disk Utility delete files on Mac computer. ) storage! And click the `` search for lost files '' button from the Wi-Fi status menu drive to! Is disk3s2 lecture notes on a blackboard '' and fix errors related to the Solution! Understand you may choose the specific files or just recover everything also ca n't Run FSCK command inside operating... You might want to fix it but understand what is going on button greyed,.
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