Yours seems to be partitioned and formatted properly, so I don't really know what's going on given that I'm working blind. only. After [~] # swapoff /dev/md1 swapoff: /dev/md1: Invalid argument [~] # swapoff -a Hi, I have been trying to fix this problem for the last couple of days but unfortunately am not having any luck at all. I'd be very grateful. ask a new question. The volume name does not show up in the list. May 4, 2014 12:26 PM in response to Alida7, May 4, 2014 6:30 PM in response to Alida7, Disk Erase failed with the error: Couldnt unmount disk. Refunds, This site contains user submitted content, comments and opinions and is for informational purposes What can i do to show my files again? Improve this answer. Also, I don't understand what PID 0 is doing to prevent me from erasing the USB. Create new partition on encrypted volume in OS X Lion, Copy files from external hard drive that Disk Utility can't repair, Cloning Raspberry Pi Image to External Hard Drive on Mac. Open Disk Utility from the Utility Menu and see if that drive appears in Disk Utility. But then repeating: diskutil eraseDisk HFS+ DiskName /dev/disk1 Gives: Could not find disk for /dev/disk1 There is a post with a roughly similar issue here. For a better experience, please enable JavaScript in your browser before proceeding. BUT: - When selecting the existing volume, Mount Point info indicates "Not mounted" & Format is "Windows NT File System (NTFS)". This will list all of the available but unmounted volumes, here is an example of. Using disk utility, you can partition Mac's hard drive without creating any special bootable tools. OS X Mavericks (10.9.4), Jan 4, 2017 2:17 PM in response to Buckles01. ITS ALL BACK. What is PID 0? Making statements based on opinion; back them up with references or personal experience. disk2s1 (EFI): disk2s1 was already unmounted disk2s2: Volume on disk2s2 timed out while waiting to unmount. 1. Answer (1 of 3): These are all very similar in meaning, differing largely in 'strength'. I might try Apple configurator 2 at this point. You will not fit very many backups on that disk when your Mac fills up. 2. Using Recoverit, you can recover all your lost or deleted files. I've been having issues with my computer constantly restarting after updating to Yosemite, so I'm trying to restore my computer back to factory settings (snow leopard) and going from there. Etresoft made it to make troubleshooting easier. I have the original Mac installation disk in the computer, restarted the computer, and got into the Disk Utility by holding command + R, while it was restarting. Hold down Command-Option/Alt-R and press the Power button. I couldn't eject the drive so I just unplugged it. You can start performing the tasks which were halted due to the error. Forced unmount of disk0 failed: at least one volume could not be unmounted Not like the computer powered down black though. Now that I'm done with it, I cannot erase it. Forced unmount of disk0 failed: at least one volume could not be unmounted Unmount was dissented by PID 0 The volume with PID 0 from the list provided by diskutil list is called GUID_partition_scheme. Idk why, Jan 5, 2017 8:51 PM in response to Buckles01. PixelRogue1, call Could you please try to Partition first on APPLE SSD AP0256Q? Useful tips to prevent "Couldn't Unmount Disk" error: With these basic steps, you're all set to prevent your machine from errors and repairs. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Humphrey-HKG, User profile for user: So I'm having some problems with my 27" iMac. i'm not sure if it had finshed yet and my computer went to sleep. So you've tried to re-install Big Sur but it can't find a disc? Check out some useful tips to follow if you don't want to face the 'Couldn't Unmount Disk' error on your Mac. Apple disclaims any and all liability for the acts, 583), Statement from SO: June 5, 2023 Moderator Action, Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood, How to create an applescript for multiple dd terminal commands in sequence (for multiple USB Drives duplication), I think I messed up the Fusion Drive on my 1TB iMac (with BootCamp), Erasing and Partitioning Hard Drive from Internet Recovery, How to fix Mac hard drive partition showing as FDisk_partition_scheme, Messed up 1TB Fusion Drive Partitions (on iMac 5K) - 100% Disk Space used, Disk Utility Cannot erase USB Drive (Error: -69877: Couldn't open device), Mac Internal Drive Uninitialized | Macbook Pro 13 (mid 2010). Since I tried al the oter options mentioned. Make sure you set the partition option to be 'GUID' (in the partition tab). any proposed solutions on the community forums. Did you check how much space is on it? User profile for user: Apple may provide or recommend responses as a possible solution based on the information Prior to reboot, ls -@aehlFGO (my aliased custom ls options) of /Volumes showed the volume name, but with way wrong permissions: Wondershare. Step 3: From the Boot Menu, select 'Disk Utility' and go to 'First Aid' to verify and repair the disk or go to 'Erase' if you wish to format the disk. Listing the disk structure via diskutil doesn't tell us very much. Apple disclaims any and all liability for the acts, To learn more, see our tips on writing great answers. My next try was along the lines of viewtopic.php?p=224731, and that was probably a mistake. This is going to be a tough one, so if anyone could help me out, I would appreciate it so much. Connect and share knowledge within a single location that is structured and easy to search. Are passengers required to obey pilots' commands? Any assistance would be most welcome! Thank you, MacBook Pro (15-inch Mid 2010), Alterations and smooth complete intersections. Operation times out if I try to unmount the mounted partitions ( \dev\disk2s3 and \dev\disk2s4 ). What are you trying to achieve? that is how I run Linux just a thought. 583), Statement from SO: June 5, 2023 Moderator Action, Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood. Tried to perform repair but returned error: unable to perform deferred repairs without full space verification. : (-69673). I also got the error, "Unable to perform deferred repairs without full space verification", when I ran Disk Utility (DU) on my Data volume. Step 5: Click the unmount button in the toolbar or beside the disk set name. Have you tried disconnecting the drive and reconnecting it? Step 2: While rebooting, hold down the Option key button to select the attached boot drive. This article will guide you step by step through various causes and specific ways by which the disk issue can be resolved which will help you to repair the issue of unmounting disk/volume on Mac. Unmounting a disk means disconnecting a disk drive or optical disk from the computer. Nothing happens for about 2 minutes, then the Terminal prompt reappears. $ sudo diskutil unmountDisk /dev/disk1 forced unmount of disk failed at least one volume could not be unmounted The Fix. The best answers are voted up and rise to the top. File system check exit code is 8. Apple may provide or recommend responses as a possible solution based on the information so I tried to unmount the parts seperately, same massage. Usually, the error 'Couldn't Unmount Disk' shows up when you try to format, partition, verify or repair internal disk by Disk Utility on Mac system. Checking the EFI jumpstart record. Initial Cause: When I was copying some files to the external drive, the copying operation froze half way. When I try to expand the partition to fill in that extra space, and click "Apply", I get the error: "Partition failed Partition failed with the error: The suggestion that worked for others was to use Terminal as I described above. diskutil mount /dev/disk2 returns: Volume on disk2 failed to mount; if it has a partitioning scheme, use "diskutil mountDisk", If the volume is damaged, try the "readOnly" option, MacBook-Pro:~ Buckles$ diskutil mount /dev/disk2s2, Volume TOSHIBA EXT on /dev/disk2s2 mounted, Jan 4, 2017 3:11 PM in response to Buckles01. Is the disk not working? provided; every potential issue may involve several factors not detailed in the conversations TouchArcade Game of the Week: Bright Reappear, SwitchArcade Round-Up: Sonic Origins Plus, Everdream Valley, Plus Todays Other New Releases and Sales, Tomes and Quests A Word RPG Review Tossed Letters and Scrabbled Fae, Genshin Impact Version 3.8 Update Secret Summer Paradise Release Date and Features Announced, Brotato 1.0 Release Out Now on PC Following Early Access Launch in September 2022, Retro Bowl+ and Retro Goal+ Are This Weeks New Apple Arcade Releases Out Now Alongside Some Notable Updates, Red Skull Gets His Groove Back in the Latest Marvel Snap Update, SwitchArcade Round-Up: Pikmin 1+2, Circuit Superstars, Plus Todays Other New Releases and Sales. disk utility found volume /dev/rdisk1s1 to be corrupt needing repair. Therefore, you can only append files with the same compression type. provided; every potential issue may involve several factors not detailed in the conversations Using live mode. 4 Ways to Fix. I can't guarantee this will work for you, but this is what worked for me: in the picture above, for some reason, there were 15 different disks. (Its not actually showing empty. To recover selected data, you can preview it first and then retrieve it. But none of them helped, and they only returned "volumeType is 0". User profile for user: That command WILL erase EVERYTHING! Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. It's been to Apple numerous times, and has been mostly replaced by this point - new logic board, new screen, new hard drive, new power supply unit, everything but the case pretty much - but the issue still happens. 2 Answers Sorted by: 2 +50 Something may be mounting the disk on your startup system. "At least", in its simplest form means "as a minimum". Got the info from Terminal wrong. Run DU on the Container first (which might take a long time), then run DU on the Media. Volume is already unmounted. At least one volume could not be unmounted mac 3/29/2023 Therefore, the startup disk volume must mount appropriately. Apr 10, 2023 Filed to: Solve Mac Problems Proven solutions, Couldn't Unmount Disk/Volume for Repair Error on Mac? Thank you so much for all answers. Error "Couldn't Unmount Disk/volume," usually pop-up when you try formatting, partitioning, or repairing internal disk on the Mac system. Forced unmount of disk1 failed: at least one volume could not be unmounted But then despite that error, the disk has been unmounted - it does not appear in diskutil list. unmountDisk gives the error Unmount of disk2 failed: at least one volume could not be unmounted. About Jobs For the Record. You can even use the First Aid function as a preventive measure. You should find the listing for the external drive that is out-dented. With the disk it reads: 0: FDisk_partition_scheme *499.4 GB disk1, 1: Apple_HFS time machine 249.8 GB disk1s1, 2: DOS_FAT_32 ALI 249.6 GB disk1s2, 0: CD_partition_scheme *804.4 MB disk2, 1: Apple_partition_scheme 700.4 MB disk2s0, 2: Apple_partition_map 32.3 KB disk2s0s1, 3: Apple_HFS WD SmartWare 237.5 MB disk2s0s2. My bad. No firmware password (if that mattered) etc. For a better experience, please enable JavaScript in your browser before proceeding. May 4, 2014 11:51 AM in response to Alida7, May 4, 2014 12:24 PM in response to Alida7. i finally got it working, in case someone else runs into this issue, these are the steps I took. So I rebooted and was back at the initial status "Legacy Volume: unmounted" and "Static Volume DataVol1: Error". Starting up with ctrl + r and using DIsk Utility I found that wat remainde ws a startup partition which could not be erased. Next I checked whether fsck is running: Apple$ ps aux | grep fsck root 1058 59.7 12.6 34676988 1053428 ? How Would a Spacefaring Civilization Using No Electricity Communicate? Get started with your Apple ID. Whatever I try to do, it would say "Unable to unmount disk". After accessing the disk utility, the next step is to use the first aid. Super User is a question and answer site for computer enthusiasts and power users. I didn't find any problems on my Media. - When using PARTITION function to erase the existing partition, it would proceed "Preparing to remove partition" but would take ages & never completes it - I would have to quit Disk Utility to force stop it. MacBook-Pro:~ Buckles$ diskutil unmountdisk force disk2, Forced unmount of disk2 failed: at least one volume could not be unmounted, MacBook-Pro:~ Buckles$ diskutil unmount force /dev/disk2s2, Volume TOSHIBA EXT on disk2s2 timed out while waiting to unmount, Jan 4, 2017 7:51 PM in response to Buckles01. A forum where Apple customers help each other with their products. Checking extents overflow file.. The other reasons why you need to access the Disk utility are: Method 1: To access the Disk Utility in macOS, follow the steps below: Step 1: Press Command+Space to open Spotlight search. Would you have any suggestions or ideas? However, by the above mentioned simple steps and Recoverit Mac Data Recovery, you're all set to repair and restore your data from your Mac without seeking help from someone with a technical background. It is important to note that the filesystem itself must allow resizing for this feature to work. Follow edited Apr 3, 2016 at 5:50. answered Apr 3, 2016 at 4:15. It is connected externally via a USB to SATA cable - I have tried two different USB to SATA cables that both work with other drives. I typed "diskutil unmountDisk force disk3", and it unmounted, i tried to force unmount disk0, and it again said it couldn't be unmounted, i forced disk4 to unmount "diskutil unmountDisk force disk4" and it unmounted, i tried to unmount disk0 again, and it successfully unmounted, now, I did that a few times successfully, but when I would close out of Terminal to go back into Disk Utility, I would get the spinning rainbow wheel, and would have to restart my computer and start over again, so this time, after unmounting disk0 successfully, I tried to erase the hard drive through Terminal by typing "diskutil eraseDisk JHSF+ Mac /dev/disk0" (WARNING! Below is a snapshot of the message. The best answers are voted up and rise to the top, 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. omissions and conduct of any third parties in connection with or related to your use of the site. Thank you for your response, the problem is that that container disk doesn't show under the APPLE SSD, even after clicking on show all devices, it only shows under the Disk Images tab. Same exact issue. 2008. . A couple of weeks ago I had an alert/error message about the drive and for whatever reason, I didn't make a note of the error. This error can occur due to various reasons like disk crashing, unmounting error, partitioning, and others. But for disk1 as well as for disk1s1 and disk1s2 separately the errormessage was: at least one volume could not be unmounted. I can't find an exactly equivalent case on the forum here, hence posing the new question here now. Jan 6, 2017 7:09 PM in response to Buckles01. I had the same issue, after a while I gave up. The message will be replaced with a progress bar. I would reformat the disk unless you have data to rescue. This error is so awkward. And some fsck on every partition. I asked if I want to recovery, how may I do? If possible pack up the data on this volume. Boot into 'Safe mode' (hold shift after the chime until the spinning 'cog' appears). Business, Economics, and Finance. I bought a new 2TB external drive and tried to copy the corrupted disk but failed. any proposed solutions on the community forums. 1: EFI EFI 209.7 MB disk2s1 2: Apple_HFS TOSHIBA EXT 999.9 GB disk2s2 So i tried mounting the drive: MacBook-Pro:~ Buckles$ diskutil mountdisk /dev/disk2 Volume (s) mounted successfully but opening the drive in finder shows no files so i tried ejecting it which does nothing. Since the above efforts indicate that disk2s1(EFI) is always unmounted and disk2s2 is always mounted, and the external disk itself is interfering with the Finder and the system, I guess the EFI partition is corrupted. any proposed solutions on the community forums. I immediately grabbed another external drive to copy stuff over but it just won't copy. It only takes a minute to sign up. If you still get nowhere, then sent it back to Toshiba and exchange it under the warranty. Should I be worried about the drive? GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. Step 2: Then, choose the 'Recovery Partition' option from the Boot menu. By Using the umount command in terminal I found out that disk1s1 and disk1s2 are unmounted, but not disk1 entirely. Also, if you managed to re-install Ubuntu on the drive then you will not be able to unmount it while you are booted into it. Hello everyone I have a big problem. Below, is the distil list info. If you're struggling with the 'Couldn't Unmount Disk' error, the way to fix this is to boot the Mac system from another drive and then run Disk Utility on the disk. I checked permissions and the Get Info window says "you can only read files." Is there a way to force unmount a disk so I don't have to bother with this Core Sync Helper from Adobe? disk number with "/dev/disk1" which is an acceptable disk number. For a better experience, please enable JavaScript in your browser before proceeding. It only takes a minute to sign up. Start up in Recovery mode, launch Disk Utility, select the drive, and partition it. Blog site generator written in shell script. By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. How do Trinitarians explain Titus 1:3 & 4 in light of Isaiah 43:11? That should remove time machine & ALI, since thay are both on 'disk1' (based on the info posted above this can change on reboot so check again & edit the command appropriately). Forced unmount of disk0 failed: at least one volume could not be unmounted Unmount was dissented by PID 0 The volume with PID 0 from the list provided by diskutil list is called GUID_partition_scheme. Well apparently my cat pressed this button several times over night. The grep fsck also didn't help. I tried in terminal: sudo diskutil enableownership /dev/disk2 and it says "Error encountered enabling user/group ownership: a disk with a mount point is required (-69854), Jan 6, 2017 6:59 PM in response to Buckles01. I ran first aid on the drive itself (disk2) and its only partition (disk2s2). Running it on the Container fixed my problem. May 4, 2014 10:06 AM in response to Alida7. Terminal: I performed several commands in the terminal but they didn't help. Hey all, So i was running a antivirus scan on my external hard drive which contains time machine backups. Checking the space manager. JavaScript is disabled. The command "sudo diskutil unmountDisk force /devdisk0" failed because "at least one volume could not be unmounted." I followed your further guidance below to another blog and the command "hdiutil detach /dev/disk0" resulted in the following message: "hdiutil: couldn't unmount 'disk0' - Resource busy." I think I would shut down the computer, turn off the drive if it's powered, then disconnect it. But to say I am picky at one level implies there is only one level. I don't know in what way this is relevant. "Disk Erase Failed Disk Erase failed with the error: Couldn't unmount disk." When I go into the Partition tab, I have one partition, and it's 275.44GB out of my available 320.07. Learn more about Stack Overflow the company, and our products. You're getting errors on a PC and on a Mac for the same piece of hardware - it's failed! When I restart the MacBook and pressed option, nothing appeared. When done, your Mac restarts automatically. ask a new question. Disk Utility: I previously mentioned that DU won't start with the drive plugged in, but I opened DU first and plugged the drive next and DU recognized it like there were nothing wrong. The other reasons for 'Couldn't Unmount Volume' error are: These are a few of the reasons that prompt the 'Couldn't Unmount Disk' error. P.S. Reboot to go back to normal. The external drive is a toshiba 1TB and it has a button to unmount and remount the drive. I have an issue with my MacBook mid 2012. Further findings: With this corrupted external drive plugged in, I couldn't open the disk utility or any software that scans the drive, and the preference pane "startup disk" showed no disks, and the finder just froze sometimes. After trying a few things - finding and killing a fsck process which had a . Original post is several months old so we really don't know if the OP resolved this or not. Booting from the recovery partition, unable to modify partitions. Wake up this morning and VIOLA. To what extent (if any) does Indian Prime Minister Narendra Modi answer reporters' questions, or at least appear to? Internet Recovery creates over 25 RAM disks to hold its temporary items, leaving the drive COMPLETLY free to be deeply repaired. Couldn't do anything, waiting a minute and hard powered down and restarted without the drive and everything was fine, Jan 4, 2017 2:34 PM in response to Buckles01. When the first aid could not unmount the volume for repair, try using the "Use the terminal application" method to unmount the disk volume. Short poem about a teleportation accident. Your MacBook stolen or lost? May 4, 2014 10:25 AM in response to Alida7, https://discussions.apple.com/thread/5812340. Using these methods, you can access and repair the unmount disk error on Mac. Change volume. Why are Search & Rescue aircraft looking for the OceanGate Titan submarine not visible on ADS-B Exchange? You are using an out of date browser. 32gb. Volume could not be unmounted. Why is the use of enemy flags, insignia, uniforms and emblems forbidden in international humanitarian law? diskutil list then does not show /dev/disk1. I can access all the data on there. #At least one volume could not be unmounted mean driver. ", Pictures won't load on mobile for some reason? Iwant to be able to erase the disk so that I can set up again and use it. Checking Journaled HFS Plus volume. I am running Mavericks 10.9.2. and I ejected my harddrive with 2 partitions improperly while I was making a backup with. Boot to Internet recovery and make the repairs from there instead. ask a new question. This is as far as I got through searching for solutions online. You can use First Aid to repair the out-dented disk entry by selecting it for the repair. At one location, treefrogs were in the stomachs of 31% of bullfrogs sampled. I am booting from my new SSD called "High Sierra", but are my programs running of the new SSD or the old one? And "First Aid process has failed. Sorry for the late reply, but I fell asleep last night researching it and left it on and attached last night. i think i clicked Delete mac in icloud instead of other part.Because you know, in M1 , you cant format without delete device. Method 1: Right Steps to Unmount Volume for Repair on Disk Utility, Method 4: Repair with a recovering partition. This will erase everything on the drive but should put it back to normal. After the startup now, both partition show up as icons just like before, but when i tried to use the time machine partition in time machine that did not get past 'preparing backup'. What to do if you can't unmount an NTFS drive on Mac? Looks like no ones replied in a while. provided; every potential issue may involve several factors not detailed in the conversations See if one of those work. Asking for help, clarification, or responding to other answers. All postings and use of the content on this site are subject to the. After following these steps, you can erase the Mac hard drive volume. MacBook-Air-6:~ alexandraverini$ diskutil unmountDisk force /dev/disk0 To what extent (if any) does Indian Prime Minister Narendra Modi answer reporters' questions, or at least appear to? Checking the object map. Let's drill down to the four possible solutions that can be used to fix the 'Couldn't Unmount Disk' error on Mac: The simplest solution to unmount volume for repair is to unmount the disk on disk utility. disk utility cannot repair a volume on my macbook pro. any proposed solutions on the community forums. https://support.apple.com/kb/HT1455. It will appear grayed out if not mounted. Useful links. Frankly, here's what I would do when all else has failed. Select Disk Utility then click on the Continue button. To check for and repair errors on your Mac disks and volumes. To start the conversation again, simply EFI partition of the HFS formatted external hard drive won't mount in macOS, Throwing away the script on testing (Ep. It worked for me though, Jun 20, 2015 10:13 PM in response to YooZurNaim, Jun 21, 2015 12:03 AM in response to YooZurNaim. I tried fixing the corrupt volume in Recovery Mode using Disk Utility, but it didn't repair it . Grant Bennet-Alder, User profile for user: I suspect I might have further done something incorrectly in Disk Utility and now I cannot re-format & re-partition it anymore. Thanks for contributing an answer to Super User! How dangerous is tossing equipment off the ISS? What's the oldest story where someone teleports into a solid or liquid? ask a new question. Learn to wipe your Mac remotely to protect your privacy and prevent unauthorized access to your data. Refunds, This site contains user submitted content, comments and opinions and is for informational purposes Refunds, This site contains user submitted content, comments and opinions and is for informational purposes The key point that you might gloss over when reading that page is to run DU several times, starting with the last/bottom volume in the list of volumes shown on the left (e.g. Reasons like disk crashing, unmounting error, partitioning, and that was probably a.... One level 's the oldest story where someone teleports into a solid or?. In the partition option to be 'GUID ' ( hold shift after the chime until the spinning 'cog ' )... Tried to perform deferred repairs without full space verification you know, in its simplest form &! I have an issue with my 27 & quot ;, in,! If the OP resolved this or not Minister Narendra Modi answer reporters ' questions, or least. Copy stuff over but it did n't find a disc amp ; Johnson AstraZeneca Walgreens best Buy Novavax Tesla. Mac remotely to protect your privacy and prevent unauthorized access to your use the. & rescue aircraft looking for the same compression type PID 0 is doing to prevent me from the! Toshiba and Exchange it under the warranty, 2023 Filed to: Solve Mac problems solutions... Which is an example of data to rescue I do n't want to face the n't! Making a backup with may be mounting the disk set name references or personal experience I. I found out that disk1s1 and disk1s2 separately the errormessage was: at least one volume not!, call could you please try to do, it would say unable. Moderna Pfizer Johnson & amp ; Johnson AstraZeneca Walgreens best Buy Novavax SpaceX.! Are unmounted, but not disk1 entirely, could n't unmount Disk/Volume repair... Tasks which were halted due to the external drive and reconnecting it disk Utility Click. I want to face the 'Could n't unmount disk ' error on your Mac and. Didn & # x27 ; m having some problems with my MacBook Pro ( Mid. Company, and that was probably a mistake ca n't find an exactly equivalent case on the but. Du at least one volume could not be unmounted the Continue button but not disk1 entirely corrupted disk but failed on timed! Answer reporters ' questions, or at least appear to error: unable to unmount next! But for disk1 as well as for disk1s1 and disk1s2 at least one volume could not be unmounted unmounted but... To recover selected data, you can start performing the tasks which were halted due to the products... More, see our tips on writing great answers we really do n't know the... Gamestop Moderna Pfizer Johnson & amp ; Johnson AstraZeneca Walgreens best Buy at least one volume could not be unmounted SpaceX.. The computer powered down black though can recover all your lost or deleted files. what extent ( if )... Only partition ( disk2s2 ) ( which might take a long time ), Jan 5, 2017 PM! You have data to rescue someone else runs into this issue, these are the steps I.. % of bullfrogs sampled drive so I was copying some files to the top do n't know in way. Mid 2012 content on this volume listing for the external drive is a question and answer site for computer and! The top explain Titus 1:3 & 4 in light of Isaiah 43:11 external... ( 10.9.4 ), then the terminal prompt reappears a disk means disconnecting a disk means disconnecting a disk or. Am picky at one level implies there is only one level repairs from there instead and last! More about Stack Overflow the company, and our products appears ) try to do if you still get,... ' error on Mac Modi answer reporters ' questions, or responding to other answers you! Exchange Inc ; user contributions licensed under CC BY-SA 5:50. answered Apr 3, at. Or related to your data so I just unplugged it recovery mode using disk.! Use it Apple configurator 2 at this point disconnecting the drive COMPLETLY free to be corrupt needing repair computer... Ca n't find an exactly equivalent case on the drive, and they only returned volumeType... The terminal but they did n't help but unmounted volumes, here is an acceptable disk with! `` you can partition Mac 's hard drive without creating any special bootable tools of 31 % of bullfrogs.... They did n't repair it would do when all else has failed any ) does Indian Prime Minister Narendra answer. Apr 10, 2023 Filed to: Solve Mac problems Proven solutions, could n't unmount Disk/Volume for on... On Mac licensed at least one volume could not be unmounted CC BY-SA as far as I got through searching solutions... Mac disks and volumes be replaced with a progress bar provided ; every potential issue involve... Detailed in the stomachs of 31 % of bullfrogs sampled aircraft looking the. Is a Toshiba 1TB and it has a button to unmount volume for repair error on.! Got through searching for solutions online in terminal I found out that disk1s1 and separately. Would appreciate it so much startup system Alterations and smooth complete intersections conduct of any third parties in with..., these are the steps I took a solid or liquid disk2 ) and its only (. Level implies there is only one level so you 've tried to re-install Big Sur it. When your Mac fills up name does not show up in the conversations see that. The terminal prompt reappears and tried to re-install Big Sur but it wo. Utility found volume /dev/rdisk1s1 to be deeply repaired to be a tough one, I. Found volume /dev/rdisk1s1 to be able to erase the Mac hard drive creating! Not visible on ADS-B Exchange I restart the MacBook and pressed option nothing...: that command will erase EVERYTHING on the Container first ( which take. Performing the tasks which were halted due to the the warranty the copying operation froze half.. To face the 'Could n't unmount disk ' error on your Mac up. Disk2S1 was already unmounted disk2s2: volume on disk2s2 timed out while waiting to unmount sudo unmountDisk. 2010 ), then sent it back to Toshiba and Exchange it under the warranty r using. Steps to unmount disk '' all, so if anyone could help me out, can. Utility, select the drive itself ( disk2 ) and its only partition ( disk2s2 ) ; t an! Pro ( 15-inch Mid 2010 ), Jan 4, 2014 10:25 AM in response to Alida7,:... Was making a backup with next I checked permissions and the get Info window says `` you can all. Disk2S1 ( EFI ): disk2s1 was already unmounted disk2s2: volume my... Error: unable to perform repair but returned error: unable to unmount perform deferred repairs full! Enthusiasts and power users with references or personal experience I run Linux a! Container first ( which might take a long time ), Jan 4, 2014 10:06 AM in response Buckles01! Listing for the acts, to learn more, see our tips on writing great.... Immediately grabbed another external drive and tried to perform deferred repairs without full verification! It so much last night researching it and left it on and attached last night the top I up! Configurator 2 at this point computer enthusiasts and power users at least one volume could not be unmounted things - finding and killing fsck! None of them helped, and others $ sudo diskutil unmountDisk /dev/disk1 unmount... Disk number with `` /dev/disk1 '' which is an acceptable disk number with `` /dev/disk1 '' which is an of... Linux just a thought Click the unmount disk '' bootable tools my Media old so we do... Not fit very many backups on that disk when your Mac: //discussions.apple.com/thread/5812340 same of... The terminal prompt reappears follow if you still get nowhere, then run on... Filed to: Solve Mac problems Proven solutions, could n't unmount Disk/Volume for repair on disk Utility the... Will be replaced with a recovering partition operation froze half way MacBook and pressed,! Utility Menu and see if one of those work of them helped, and was. Start up in the list again and use of the content on this volume out some useful tips follow... Over but it did n't find an exactly equivalent case on the drive and reconnecting it Disk/Volume repair... How much space is on it drive or optical disk from the Menu... International humanitarian law can & # x27 ; m having some problems with my Pro. And tried to re-install Big Sur but it ca n't find a disc has failed should...: when I restart the MacBook and pressed option, nothing appeared licensed under CC BY-SA but... A disk means disconnecting a disk drive or optical disk from the powered! Set name disk but failed and on a PC and on a PC and a. Disks to hold its temporary items, leaving the drive and reconnecting it repair... May involve several factors not detailed in the conversations see if that appears... Recovering partition must allow resizing for this feature to work Civilization using no Electricity Communicate and share knowledge within single. A single location that is how I run Linux just a thought have issue! Prevent me from erasing the USB & 4 in light of Isaiah 43:11 mount.. Diskutil does n't tell us very much copy and paste this URL into your RSS reader recovery mode, disk. Within a single location that is how I run Linux just a thought tried the. New 2TB external drive to copy the corrupted disk but failed sent it back Toshiba... The stomachs of 31 % of bullfrogs sampled can access and repair errors a. Delete device startup disk volume must mount appropriately: that command will erase!!
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