Disk Erase Error
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a title. You can not post a blank message. Please type your message and try again. studio_ Level 1 (2 points) Q: Disk Erase failed with the error: Couldn't unmount disk. Running disk erase error mac Mavericks I am running Mavericks OX 10.9.1 and am trying to erase disk erase failed with the error invalid request an external hard drive that has been partioned. I keep coming up with the error message "Disk Erase failed disk erase failed with the error file system formatter failed with the error: Couldn't unmount disk." Any suggestions? iMac, OS X Mavericks (10.9.1) Posted on Jan 21, 2014 1:45 PM I have this question too Close Q: Disk Erase failed with the
Disk Erase Failed With The Error Couldn't Open Device
error: Couldn't unmount disk. Running Mavericks All replies Helpful answers Page 1 of 4 last Next by Kappy, Kappy Jan 21, 2014 1:48 PM in response to studio_ Level 10 (271,467 points) Desktops Jan 21, 2014 1:48 PM in response to studio_ Eject the drive, wait a minute or two, then reconnect it. Try again. Helpful (3) Reply options Link to this post by disk erase failed with the error invalid request exfat studio_, studio_ Jan 21, 2014 2:11 PM in response to Kappy Level 1 (2 points) Jan 21, 2014 2:11 PM in response to Kappy Hey Kappy, thanks for your reply! It was a no go though Helpful (0) Reply options Link to this post by Kappy, Kappy Jan 21, 2014 2:17 PM in response to studio_ Level 10 (271,467 points) Desktops Jan 21, 2014 2:17 PM in response to studio_ There must be something on the drive that has a connection to the internal drive, I think. Try booting from the Recovery HD:Boot to the Recovery HD: Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the arrow button below the icon.Select Disk Utility from the list and click on the Continue button. See if this lets you erase the drive. Helpful (1) Reply options Link to this post by Dr.Mac., Dr.Mac. Jan 21, 2014 2:26 PM
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Disk Erase Failed With The Error Wiping Volume Data
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Disk Erase Failed With The Error Couldn't Unmount Disk External
Sluiten Ja, nieuwe versie behouden Ongedaan maken Sluiten Deze video is niet beschikbaar. WeergavewachtrijWachtrijWeergavewachtrijWachtrij Alles verwijderenOntkoppelen Laden... Weergavewachtrij Wachtrij __count__/__total__ Disk Erase Failed with the error: Couldn't unmount disk - FIX Mac https://discussions.apple.com/thread/5812340?tstart=0 acguevara AbonnerenGeabonneerdAfmelden29.38029K Laden... Laden... Bezig... Toevoegen aan Wil je hier later nog een keer naar kijken? Log in om deze video toe te voegen aan een afspeellijst. Inloggen Delen Meer Rapporteren Wil je een melding indienen over de video? Log in om ongepaste content te melden. Inloggen Transcript Statistieken 68.005 weergaven 128 Vind je dit een leuke video? Log in om je mening te https://www.youtube.com/watch?v=lb1WbVno9rQ geven. Inloggen 129 224 Vind je dit geen leuke video? Log in om je mening te geven. Inloggen 225 Laden... Laden... Transcript Het interactieve transcript kan niet worden geladen. Laden... Laden... Beoordelingen zijn beschikbaar wanneer de video is verhuurd. Deze functie is momenteel niet beschikbaar. Probeer het later opnieuw. Gepubliceerd op 11 aug. 2015External Hard Drive, Usb drive, Flash drive, Yosemite OS X , El Capitan OS X, Macbook pro, iMac, macbook air, macbook, macbook retina display, macbook retina display 2, mac pro, iMac retina 5k display , mac mini,apple laptop. iMac 27 inch , iMac 21 inch, Macbook 15 inch, Macbook 13 inch. El capitan OSx , yosemite osx, mavericks osx, apple computer, apple laptop .Windows, Laptop, Online, Categorie Wetenschap en technologie Licentie Standaard YouTube-licentie Meer weergeven Minder weergeven Laden... Advertentie Autoplay Wanneer autoplay is ingeschakeld, wordt een aanbevolen video automatisch als volgende afgespeeld. Volgende Solution Disk Erase Failed with error Couldn't unmount disk mac - Duur: 3:28. Daniel Redfern 5.405 weergaven 3:28 Fix: "Disk Erase Failed With The Error: Invalid Request" - Duur: 4:57. WhyNotVideo211 41.093 weergaven 4:57 How to restore MacBook pro - Duur: 6:06. Junaid Rupan
to Disk erase failed. Couldn't unmount disk, then you may have to force an unmount through the terminal. Launch up Terminal.app (through /Applications/Utilities or through a Spotlight search). http://technology.siprep.org/fix-for-disk-erase-failed-couldnt-unmount-disk/ Then paste in the command: diskutil list to list out the different disks. You should see some disks appear like /dev/disk0, /dev/disk1, /dev/disk2. Find the one you want to force unmount. For this example, let's say it's /dev/disk2. Run a command similar to this one sudo diskutil unmountDisk force /dev/disk2 If you're prompted for a password, enter it (yes, your account does need to have administrative privileges). You should not physically disk erase unplug the drive. You should now be able to erase the drive. Author Alan SiuPosted on April 13, 2015Tags disk utility, diskutil, erase drive, mac, unmount 30 thoughts on “Fix for disk erase failed couldn't unmount disk” Randall says: July 14, 2015 at 9:12 am This worked perfectly for me! After searching for a very long time through forums of people suggesting basic things or trying to make others feel ignorant disk erase failed this solution worked! Thank you so much. I now have a useable disk where before it would not mount and could not be formatted or erased. Running OS X 10.9.5. I will be linking this solution to other forums in the future. http://technology.siprep.org/fix-for-disk-erase-failed-couldnt-unmount-disk/ Reply Bobby says: October 9, 2015 at 5:17 pm Excellent post! It worked the 1st time for me, and i also had to stumble across the interweb minefield before finding this solution. Thank you ! -Bobby Reply Lissett says: October 11, 2015 at 10:19 am Worked for me as well! Thank you so much 🙂 Very clear instructions! Reply Jason says: November 5, 2015 at 8:50 am I tried this method, but now it says "Forced unmount of disk2 failed: at least one volume could not be unmounted" Please help, I would like to erase my hard drive so i can do a clean install of el Capitan Reply Alan Siu says: November 5, 2015 at 9:04 am Odd. I've never seen that. I did Google your error, and came across this workaround. Give it a shot: http://emsooriyabandara.blogspot.com/2014/11/solved-external-hard-drive-not-detected.html Reply Jaycie Turner says: December 11, 2015 at 12:06 pm Whenever I go to type the password, it has a round dot and won't let me type anything. Do you