Mac Help Forums. Hardware & Peripherals. Unable to unmount, eject, repair an external 320gb WD. Thread starter mabraun; Start date Mar 13, 2009; M. Question: Q: Unable to Unmount Volume for Repair I have been using a WD My Passport for Mac 1 TB external hard drive to store photos and lightroom catalogue. Yesterday I had problems with the catalogue and am unable to copy all the files to another external hard drive as there were faults noted.

Intel Mac :: Erase Disk Shows Couldn't Unmount Disk

Installing Imac back to factory settings, erase disk shows could't unmount disk how to solve
Info:
MacBook Pro, Mac OS X (10.7.4), I bought a usb stick with the OS Xa

Intel Mac :: Erase Hard Drive Mac OS X (LION) 'Couldn't Unmount Disk'

I've just transferred my data to a new computer and now need to erase the hard drive on my old one. I've tried Disk Utility, increased the security, and tried 'erase' but I keep getting an error message 'couldn't unmount disk'. I've gone into Partitions and tried deleting the HD there as well but I get the same message. I just want to get the computer securely wiped and would like to keep Lion as the operating system.
Info:
Macbook 2GB ram, Mac OS X (10.4.9)

OS X :: Disk Utility Error / Disk Could Not Unmount

i'm trying to format a spare external, it's currently formatted to ms-dos for back up dutys on my PS3 but i want to change it to mac os extended
i've just plugged the drive in ( USB ), nothings running on it, or open on the computer from the drive, but disk utility wont erase it, i've checked permission and everythings fine but it just keeps giving me this error
google and apple fail, only thing i can find linked to it refers to operating systems running on the drive,

MacBook :: Disk Error Full - Couldn't Save And Change Saving Location

Tonight i was working on a report in MS Office 08, and it was all fine and what not until one point i got some error message saying that the disk was full and i couldnt save it and to change the saving location. Anything this is on the main drive where i have ~40gb's left. So i put my USB Drive in to save it on that and it gave me the same error it wouldnt save on anything it just keep saying Disk Full. Does anyone know what that is? Clearly its some sort of error/bug as i restarted the macbook and downloaded a picture and saved it on my desktop with no problems after the reboot. Im running mac osx 10.5.6

Hardware :: Unable To Reapair External Disk / Unmount Error

I have a Western Digital 500gb external hard drive, with 2 partitions, 'KAINARC' and 'JUNGLEMAC', connected to my Intelmac (Tiger 10.4.11 via my firewire, i have connected via usb but the problem is still the same). I may have shut down the drive improperly to cause this situation.
KAINARC now appears on my desktop, but the partition of JUNGLEMAC does not. I go to disk utility and both partitions are visable, KAINARC is mounted but JUNGLEMAC is not. I cannot mount JUNGLEMAC.
When i try to verify and repair the partition I get the message:
Verify and Repair disk �JUNGLEMAC�
Error: The underlying task reported failure on exit
1 non HFS volume checked
1 volume could not be repaired because of an error
So I try to verify and repair the partition KAINARC but get this message:
Verify and Repair disk �KAINARC�
Repairing disk failed with error Could not unmount disk
So I have opened diskwarrior (unbelievably long time to start up and scan disks) in the hope of fixing the hard drive, but when i try to repair I get the error message 'unable to unmount KAINARC'.
I have tried other repair/recover programs but get the same message: 'Could not unmount disk KAINARC'. Im asuming that to fix the hard drive it has to be able to unmount KAINARC.

OS X V10.7 Lion :: Can't Partition Disk- 'Error Cant Unmount Disk'

Im trying to partition my Macintosh HD and install FCP X on the new partition, because I want to still use my Final Cut Studio when needed. I want to install MAC OS on the new partition so I can use it as a start up disk as well. I followed the instructions as directed.
I restarted my computer and held the command and 'R' key. In the disk utility I selected my HD and selected 2 partitions. I named them and entered the size and selected GUID as scheme. but when i hit apply i get ' Failed, cant unmount disk' how I can successfully partition my HD.
Info:
Mac Pro, Mac OS X (10.7.3)

MacBook Pro :: Erase/Unmount Disk - Dock Utility?

I am trying to reinstall Lion on my macbook pro, but every time the hdd shows up as 'locked' and when I attempt to format it, it gives me a 'volume erase failed with the error - cannot unmount disk' message. It appears as if some files withing the disk are still running but I have no way of quitting them-knowingly. I can specify more if this seems to vague.
Info:
MacBook Pro

OS X Mavericks :: Repartition From Recovery Disk / Cannot Unmount Disk

I wanted to do a clean install and repartition my iMac running 10.8. It has 2 partitions. I booted from the recovery disk, went to Disk Utility and erased the two partitions. However, when I tried to change to a single partition got the error message 'cannot unmount disk.'
Info:
iMac, OS X Mavericks (10.9.4)

MacBook Pro :: Erase Corrupted SSD Internal Drive - Can't Unmount Disk

I'm trying to erase my SSD internal drive that is corrupted software (Yosemite).I'm booting from an external with 20GB Yosemite OS & 480GB that contains files I've dragged off the internal SSD.I'm getting the error:Volume Erase failed with the error:Couldn’t unmount disk.How can I get around this?
Info:
MacBook Pro, OS X Yosemite (10.10), 13'

OS X :: Contents Of This Disk Can't Be Changed Mac Couldn't Be Installed On This Disk

I tried to install Snow Leopard.
I got the error, 'The contents of this disk can't be changed. Mac OS X couldn't be installed on this disk.'
I restarted, to boot from the startup disk, not the CD.
And now it just goes to the grey screen and shuts off.
Pressing 'C' or 'Opt - Command - P - R' or holding down the Power button for a while and then restarting, or trying 'Command - V'... none of it works.
The machine just goes to the grey screen, the wheel spins, and it turns off.

OS X :: Formatting External HD - Could Not Unmount Disk

When I try to format my Western Digital 'MyBook' external drive, I get an error. It says 'could not unmount the disk.' What does this mean, and how do I fix it? Also, what's the difference between Mac OS Extended (Journaled) and not journaled?

Mac Pro :: External Hard Disk Mounts Again After Unmount?

My Mac Pro [with 4 internal disks, 2 External Disks (Sata Raid 0), and several external FireWire disks and a Voyager disk station] has a little problem with letting externals go Since a few weeks I have a problem with unmounting my externals. After unmount, the unmounted disk will mount again immediately.No time to disconnect cables and/or power. Hinders disk management, backup, and simple disconnecting disks. It only happens with disks (FireWire 400/800/ SATA and USB alike). USB sticks work fine.
Info:
Mac Pro, Mac OS X (10.7.3)

OS X Technologies :: (Error) ImportPluginLoading: Couldn't Load Plugin

I'm using the mdimport command in my shell script to force spotlight to index a folder.
Here is the code statement in my script that uses the mdimport command:
thefolder=`pwd`# Force Spotlight to index the foldermdimport '$thefolder' Whenever I run my shell script, I get this error : (Error) ImportPluginLoading: Couldn't load plugin 'Spotlight/Google%20Earth.mdimporter/ -- file://localhost/Users/test/Library/Internet%20Plug-Ins/Google%20Earth%20Web%20P lug-in.plugin/Contents/MacOS/Google%20Earth%20for%20Plugin.app/Contents/Library/ 'What is this error? Why is the Google Earth plugin getting loaded when I didn't ask for it?
Info:
Mac Pro, Mac OS X (10.7.3)

Software :: Stop Disk From Unmount / Mount Automatically?

I just bought a Seagate Expansion drive, and it has no power button so when it has been plugged in and not in use for a while it unmounts, and then a minute or two later it auto mounts, is there any way to stop it from unmounting and automounting automatically? I would like to control it myself if its possible (id also prefer not to pull the plug each time i want to shut it off).

OS X Mavericks :: Unable To Repair Or Unmount Disk To Reformat

I have a Macbook pro 17' (2011) running Mavericks with a Crucial 960Gb SSD and a 750Gb WDC in the optical bay. My ssd is divided into 710 Gb to OS X and 182 Gb to Windows 7 Bootcamp. All was well until the other day when the OS X partition failed to boot. I got the grey screen and the very slow progress bar which after 15 minutes powered the machine off. The Bootcamp partion continues to work without issues. I booted from an install disk and ran disk utility. The OS X partition appears greyed out on the left panel. I attempt a repair disk and after a 15 minute delay it says it is unable to repair the last action being 'updating boot support partitions for the volume as required'. Its all backed up regularly on time machine but when I boot an install usb and attempt to restore from time machine, the OSX disk does not appear as an option. I go back into disk utility and attemp to erase/repartition the disk to start a new install but it refuses to unmount. I appear to be running out of options,

OS X :: Couldn't Eject External, Now Disk Not Mounting?

I know this has been disccused ad nausium many places, but in reading 100s of posts Ive just confused myself and was hoping someone could help me make sense of all I've heard.I have a ibook g4 and use a WD 500gb external hard drive to keep all my music/pictures etc.Last night when I was moving files around (I dont think it was actually in the process of transferring files when this occurred, but there is a slight chance it was) I accidently hit enter instead of shift which told my computer to open all of the 1000+ folders that I had selected (DOH!) after working for an hour it seemed to be all frozen so with concern I turned the computer off and restarted.Suprise suprise, my external will no longer mount. - Disk Utility recognizes it but says there was an error on exit.Tim

OS X V10.7 Lion :: Automator Copy Finder Items - File Couldn't Be Saved Error

I have a simple automator sequence that suddenly stopped working for no apparent reason. Copy Finder Items has started returning an error 'the file xxx couldn't be saved to the folder yyy' Happens for different files and folders. Can't see anythng that's changed.
Info:
MacBook Pro (15-inch 2.4/2.2 GHz), Mac OS X (10.7.3), iPad, iOS 5

PowerPC :: Hard Drive Not Working / Repair Volume Failed Could Not Unmount Disk

So so annoyed right now. Today my 12' G4 powerbook started to become slow, lots of spinning wheel, delayed menus etc. I checked file permissions, rebooted and it just kept on getting slower. Eventually it wouldn't get past the white apple screen.
I booted off the Tiger DVD and ran disk utility to fix and repair permissions again. It wouldn't let me repair the disk as I kept getting this error:
'Repair volume failed with error could not unmount disk'
I had to reboot again, and eventually my hard disk no longer appears in Disk Utility. I tried to boot into safe mode and get this:
'I0ATAController device blocking bus
I0ATAController device blocking bus
I0ATAController device blocking bus
I0ATAController device blocking bus
I0ATAController device blocking bus'
So now I pretty much can't do anything with it. Failed Hard Drive?

Intel Mac :: Hdd Will Not Boot And Disk Utility Shows That It Couldn't Be Repaired

I used Carbon Copy Cloner to back up to an external hd. Do I now erase the hd reistall the mac os, then pull my files and apps fom the ext hd?
Info:
imac 24', Mac OS X (10.5.6)

IMac :: Start Up Disk Full - Couldn't Save ITunes Library?

I keep getting a pop up saying my start up disk is almost full, or that my iTunes library couldn't be saved, but I've still got a quarter of hard drive available on my new iMac. OmniDiskSweeper shows that most of the memory goes to my iTunes Media and Pictures/videos, but that shows just 61GB of hard drive used for Users. What could be using my hard drive space that doesn't show in OmniDiskSweeper?

OS X Mountain Lion :: Couldn't Repair Partition Map Because New EFI System Partition Couldn't Be Created

Farm_stand_mathanne 28 online, free games. Time machine reported an error and couldn't back up, so I ran disk utility on the time machine drive and got this message.
'error: couldn't repair the partition map because a new EFI system partition couldnt be created.'
Then I hit verify disk and got the message
'Error: partition map check failed because no slices were found.'
Info:
Mac Pro, OS X Mountain Lion (10.8.3)

Hardware :: Samsung ML-1630 Printer / 'Error: Couldn't Create Gray Colorspace.'

I have been using a Samsung ML-1630 printer for awhile, love it, etc. etc. Anyway, it ran out of ink a month or so ago, and I finally got around to buying a new cartridge.
I installed the cartridge fine, and the printer itself printed a test page just fine. The problem is anything I try and print gives me this: 'error: couldn't create gray colorspace.'
No matter what I try and print - word docs, emails, etc. etc. I can't figure out what it might be. Googling that error message came up with nothing.

ICloud :: Error - Couldn't Share 'calendar'

I am sharing a calendar with 7 people and when I try to add another person or delete somebody I get the following error. couldn't share 'calendar'. your changes to this calendar couldn't be saved because of a server error. please try again. I've tried to accomplish this task via different computers in different locations so I am kind of stuck now.

OS X V10.6 Snow Leopard :: Time Machine 'could Not Unmount Disk'

Mac Usb Unable To Unmount Volume For Repair Mac

I have a Buffalo Ministation 1T (as my portable hardrive), been using it for about 3 months and works perfect, nothing wrong with it at all and time machine formatted it straight away. I recently got the Samsung G3 Station 2T (as a back up to the buffalo) and Time machine says 'There was an error erasing the Time Machine backup disk SAMSUN. Could Not Unmount Disk'. Then in disk utility when i click erase from (MS - DOS (FAT) To (Mac OS Extended (Journaled)) it says 'Volume Erase failed with the error: Could Not Unmount Disk'.
Info:MacBookPro, Mac OS X (10.6.8)

MacBook Pro :: Disk FULL Error When Export Movie In IMovie Or Burn Disk In IDVD

Every time I try to export a movie in iMovie or burn a disk in iDVD an error message pops up and says that my startup disk is full. So I bought an external hard drive and backed up my mac using Time Machine. Now I want to delete everything off my mac's internal Hard Drive and use my external hard drive so I can empty my disk. Does this make sense? If so will you please tell me how to do so.

Intel Mac :: Error When Installing Lion On Empty HDD: 'Couldn't Find App Store Version, Falling Back To Hard-coded'

I'm trying to install OS X Lion on my 27' iMac.I've erased the HD using Disc Tool in recovery.HD shows no errors.I've tried Internet Recovery (it loads up, but wont start the installation)I've tried creating a recovery usb on another similar iMac, and use it on this. Same error, only differance is it keeps 'loading' when installing, but nothing happens. Same error in log. When I try to start the Reinstall I get an error in the installation log that goes something like this:
Install Mac OS X Lion[354:9c03] Couldn't find app store version, falling back to hardcoded Can not connect to /var/run/systemkeychaincheck.socket: No such file or directory Apple Care suggested: Trying another network (doesn't work).Install with the original Snow Leopard DVD first, then upgrade (can't do that, the DVD is lost and a DVD from another friend is not working) What can I do to get around this error?
Info:
iMac (27-inch Mid 2010), Mac OS X (10.7.1)

Windows On Mac :: Partition Error - Back Up Disk And Use Disk Utility To Format

Mac Usb Unable To Unmount Volume For Repair Disk

I had windows vista installed but suddenly the audio decided to become faulty, after spending a day trying to fix it i realized I have a windows 7 install disc so i might as well just replace vista with windows 7. I didnt take care of vista or ever register it so it became quite a task to upgrade so i just deleted the partition and went to create a new one and just do a full install of windows 7.
I made the partition but the wrong format, so i removed it through boot camp assistant and created another, except now it keeps giving me the 'back up the disk and use disk utility to format it as a single Mac OS Extended (Journaled) volume. Restore your information to the disk and try using boot camp assistant again' Now, I'd love to do this, except I have no idea what I'm doing and WHY this error has occured. After becoming frustrated I switched from my imac to my macbook pro and received the same error when trying to create a partition. So any help on exactly what I need to do would be a HUGE help. I only use windows for music production (I know, seems backwards, but I use Sony Acid and FL Studio so I'm stuck with Windows)

OS X :: Disk Utility To Verify Disk Ends With Error?

I'm running OSX 10.4.11 on a 12' PowerBook 1.5 GHz with 1.25 GB of RAM and an 80 GB HD.
When I run the disk Utility to Verify Disk, it ends with the message, 'Error: The underlying task reported failure on exit.' This happens if I run the Disk Utility from the hard drive, from the OSX installation disk or from an external hard drive.
The Repair Drive button is always grayed out no matter where I am running the disk Utility from, too.
So far, I haven't had any other unusual things with the operation, but I'm concerned that this could be an early warning of problems to come.
Has anyone else had this problem or have a clue?
I have cloned the entire hard drive onto an external drive with Carbon Copy Cloner. I know PPC systems won't boot from a USB drive, but I was considering booting from the install disk, re-formatting the drive from there and then re-installing from the external by running CCC from there. I hope someone will have a direct solution to repairing the drive without doing all of that.

OS X V10.7 Lion :: Error With Disk Utility When Repairing Disk

I just got my computer yesterday and when running the 'repair disk' function, I already get an error! Since I used migration assistant to move everything off my old mac to my new mac, I'm not interested in reinstalling the whole OS and transffering all my files again. This is a new computer, and shouldn't have this problem this early. I also get the same result when starting up in the recovery partition. How do I resolve this?
Info:
MacBook Pro with Retina display, Mac OS X (10.7.4)

You can't risk sawing off the tree limb you are standing on.

Your Mac will not Repair:

Game 197: march 30 2018 the initials game 6. • The Boot drive

• A drive with Open files on it

the solution for drives with open files is to do a restart and do not re-open old Applications. The solution for the boot drive is to use Recovery_HD as the 'place to stand' and run the version of Disk Utility from there. (this means you are no longer booted from the Mac OS X partition, and the regular boot Volume is then free for full repair.)

If the drive passes Verify, it does not need to be repaired.

Nov 28, 2014 4:45 PM