Disks not un-mounting from desktop

I have downloaded a few programs, and the disks won't unmount or eject. I get the trash can turning into an eject icon, drag it to the icon, but nothing happens.
Anyone else experiencing this?

Yes.
Its very annoying. After a restart I was able to eject some for a while, but within a short time the problem returned.
I have found that you can eject them through disk utility.

Similar Messages

Hard Disk not showing up on desktop

I have a MacPro with 2 hard disks (the system disk and a RAID set for storage). After a restart of the machine this afternoon the system disk shows up on the desktop and in Finder, but the RAID set doesn't. It is clearly mounted, since it can be accessed through a Parallels share, and Disk Utility says it is mounted, but I can't see it. Any ideas why this would happen all of a sudden?
The shutdown, BTW, was to install Build 5160 of Parallels, since I've found that a shutdown prior to installing a Parallels upgrade generally seems to minimize problems with the install - maybe that backfired on me this time for some reason.
BTW, I posted this on the MacPro forum, but received no response, probably because it really belonged here
thanks...Bob

I suspect it is the same deal as happens when you "poof" a drive on purpose from the Sidebar: other drives remain but the "poofed" one has to be readded--just go to Finder Preferences, click the toolbar icon in the Preferences for Sidebar, you'll probably see a "-" instead of the regular check mark, just recheck the box.
Francine
Francine
Schwieder
PS--I see a restart fixed it. Evidently the plist wasn't actually changed (as it is when one deliberately removes a drive), so a restart caused Finder to consult the original plist file. Glad to know the fix works on RAID (BTW, you are the first person who has had their RAID become invisible. Congrats!)
Message was edited by: Francine Schwieder

Disk image can mount from local terminal with "open" command but not via ssh

I have a disk image "backup_image.sparsebundle". If I go to the terminal on my machine and type "open backup_image.sparsebundle" the disk image mounts as expected. No problems. If I secure shell (ssh) log in from a remote Mac and execute the same "open backup_image.sparsebundle" a warning dialog pops up and states that "The following disk images couldn't be opened" followed by my disk name. This is incredibly odd because it used to work just fine. I didn't think there were any ACL differences between a local terminal shell and remote ssh. I mean a shell is a shell right? Or, it used to be and now it isn't? I'm not doing anything obviously incorrect (to me); I'm the same user locally and remotely, same path to disk image. This used to work fine before Mountain Lion.
Background: All of this started because I wrote a script that would ssh in to a remote machine, open the disk image on that remote machine, mount it across the network over afp and rsync. If I leave the disk image mounted on the remote machine, the script runs fine but if the image is close and I try to remotely open the image as I always did, it fails. The only thing that has changed in the system is, now, both machines are running Mountain Lion. Odd.
Suggestions?

Storing the password for the remote disk image in the local keychain of the computer running the script (in to a variable), then passing it accross to the remote machine worked. I'm not sure why all of this changed moving from Lion to Mountain Lion but I suppose it is slightly more secure.
To programatically mount and sync a remote encrypted disk:
#!/bin/bash
if [ -n "`mount | grep ~/sync`" ]; then
echo "Already mounted"
else
pw=$(security -v find-generic-password -w -D "application password")
ssh -o ConnectTimeout=1 [email protected] "echo $pw | hdiutil attach /Users/user/backup_image.sparsebundle"
mkdir ~/sync
mount_afp -s "afp://matdup01:[email protected]/Disk Image" ~/sync
fi
if [ $? -eq 0 ]; then
echo "Mount succeeded!"
else
echo "Mount Failed"
exit 0
fi
rsync -vrxtu --delete-before --exclude _* "/Volumes/Media/new Media/" ~/sync/new\ media/
umount ~/sync
rmdir ~/sync
exit

Contents of disk-image lost (mounted from iDisk)

I've stored an encrypted disk-image on my iDisk and mounted it directly from the network-drive by double-clicking the sparseimage-file. Then I worked directly with the files on that mounted volume. I neither copied the disk-image nor any of the files to a local drive.
Suddenly my MacBook Pro freezed and I have to reboot it. When I mounted the disk-image again, I discovered, that nothing of my work has been saved. I've created a lot of new files and regularily saved changes by storing them on the mounted volume. But it seems, that this changes have never been transferred to my iDisk. Two days of work got lost!
My question: is there any local copy of a mounted disk-image, where I can recover the lost files?
At what time an encrypted disk-image got synced? Only when dismounting it?
I'm very disappointed if mounted network-drives are that unsecure and fragile.
Thanks for any help,
makeCents

I'm thinking it would only be saved on closing/dismounting it., local Disk Images would be that way too.
I can't believe virtual disks work that way. The documentation of disk-images tells that you can open, read, and write files on disk-images like on normal drives. Writing should be a transaction, that means the data should be securely saved or an error message has to be raised if not.
It can't be, that a successful write transaction isn't really stored. Even on network drives this has to be secured. That's basic operating system stuff.

Disk Utility - Burning DVD from desktop file created from camcorder

I am unable to burn a DVD from a file on my desktop. When trying to use the upper tray, the disk drive won't remain closed and I am unable to proceed.
When using the lower tray, it begins the burn process, then returns this message:
Unable to burn file. The device failed to respond properly, unable to recover or retry.
The upper tray is a HL-DT-ST RW/DVD GCC-4480B
The lower tray is a Sony DVD RW DRU-530A.

Thanks for answering ALL the questions, too many times I ask as many questions as possible to get as much info as possible and I get a one line response.
4GB file with Disk Utility should be fine.
4x speed should be fine too, but you may want to try 2x, just in case the ATA-33 bus is struggling. The ATA-33 bus is the original bus in the MDD for the optical drives, the hard disks were on an ATA-66 and ATA-100 bus. Unfortunately ATA-33 is very limited in the amount of data it can reliably send in a given time, and 4x DVD burning is the absolute limit.
Sony DVD-R should be fine, many here are wary of Memorex media, I use it for temporary copies of product / games discs, but never for backups.
How is the external DVD burner attached ? FireWire ?
It really should be working, you've already confirmed that both the drives successfully burn CDs, so we know they're recognised and operating. And you've said the 4GB camcorder file is on your desktop, ie. on the internal hard disk, so we know it's not a speed issue with the source file, like if it was on a flash drive - or is it ? Or is it still on the camcorder ? If so get it copied to the internal hard disk.
Can you confirm the ATA-33 bus and Disc Utility support for the drive by using Apple System Profiler, if you select ATA, it should appear on the ATA-3 bus. You'll also have an ATA-4 and ATA-6 bus.
If you click on "ATA-3 bus" you should find an entry "Disc Burning" and it should say "Apple Supported" or similar. If it doesn't then I don't think you can burn with Disk Utility. Generally, above OSX 10.4.6 (or 10.4.5, can't remember exact) all these drives are supported, for burning and booting from. I suspect you're fine as you've said you burn CDs with it fine.
One thing some people do is to buy an ATA-133 PCI card, and run the internal hard disks off that and the ATA-100 on the motherboard. Then use the motherboard ATA-66 slot to drive the optical drives. Don't spend any money yet, we'd have to confirm that the burn speed is the issue. Like said, try burning at 2x or 1x.
Apologies now if my Apple System Profiler instructions are not 100% accurate, my OSX 10.5.5 Mac is unavailable just now so I've based my instructions on OSX 10.3.9 ASP.

Disks Not Automatically Mounting

Since a few weeks ago, my disks haven't been mounting automatically. If I plug in a flash drive, it doesn't show up on my desktop - I have to go to Disk Utility and manually mount it. The same applies for DVD's, hard drives, etc. How do I get my drives to go back to mounting automatically?

This is my last tip. Run Terminal, and paste within this command:
sudo defaults write /Library/Preferences/SystemConfiguration/autodiskmount AutomountDisksWithoutUserLogin -bool true
then, press Enter.
See if this work.

Deskjet 3050A all-in-one J611 series will not allow printing from desktop with windows 8

Hello, I am trying to set up my fiances desktop to my HP DESKJET 3050A ALL-IN-ONE J611 series. It says it only supports other windows, windows 8 not being one of them. Both are wireless and I figured there has to be a way to download some software that I could install in order to hookup this computer. Please any help I could get would be appreciated.
This question was solved.
View Solution.

Thank you very much, I really appreciate it. I will definitely do that. Thank you again for taking the time to help me. Take care and have a great day.
Sincerely, Tabatha

Automator will NOT workflows created from Desktop context menu

1. Right Click on desktop
2. Select: More > Automator > Create Workflow...
3. Create a workflow in Automator
4. Save workflow
Workflow remains unsaved, no error message is displayed..

Fixed in OSX update.

Disk could not be read from or written to during syncing to iPod touch

Hi there,
I just got the iPod touch 16gb. When I try to sync videos to the iPod, it will ultimately stop and give me the error about disk not be read from or written to during syncing. In addition, when the iPod charging battery logo and the whole screen for that matter go blank, iTUNES displayed an error message of Device has timed out. Thus, I have to close and reopen iTUNES to sync new music or video files. This didn't happen with my iPod video 30gb. It seems like the device times out so quickly. It is annoying. Anyway, please offer any suggestions. Thank you.

I'm having the same synching problem. It looks like file size is a factor. Most of my music library transfered over ok, but only after I de-selected podcasts and videos.
The movie file I'm testing with is 1.2 GB. It gets about 7/8's of the way, progress stops, and then a dialog opens saying that the disc can not be read from or written to.
When moving just music the Touch consistently gets through 263 songs (2.38 GB) of 275 songs (2.70 GB). It seems to miss the long audiobooks.
Interestingly my 1st gen 2 GB Nano is also having the same error "can not be read from or written to" when I synch my podcasts. In disc mode I can copy over the 1.2 GB movie no problem.
Any help would be appreciated. I would really like to stick some movies on the Touch.
iTunes 7.4.2 (4)
iPod Touch 1.1.1 (3A110a)
1st Gen Nano 2 GB (1.3.1)

Just updated WD Drive Utilities - now all my WD external disks have vanished from desktop

I have just been using one of my 4TB My Book external disks on a MacBook AIR running 10.10.4All well and good. Only 1 installed at a time using the USB port. But the system told me there is a WD update so I installed it. Immediately after installing WD Drive Utilities and trying it out the WD disk on the desktop greyed out, then vanished completely. I pulled out the USB cable and put it back into the MacBook. The desktop icon for the WD drive reappeared, but greyed out, then vanished. So I thought it must be the new update so I uninstalled it using the WD Uninstall program. Same problem. I have an older (2014) WD Drive Utilities install-software on a MyPassport drive so I plugged in the USB for that drive, same problem, that is also greyed out and then vanishes from the desktop. So I tried the My Book again, using Disk Utilities in the MacBook. It sees the drive at first, but then it vanishes within 5 seconds. Disk Utilities says "Error: A disk with a mount point is required". I am very loathe to plug in my other 2 MyBook 3TB drives in case these also vanish or become unuseable for this same reason. I have a huge amount of data backed up on all of these disks. I think the disks are okay and maybe if I can get hold of older WD software from 2014 then I can backtrack and put it back the way it was. As a first step does anyone know where I can get hold of older WD software such as Drive Utilities (I think that was the one which did it). Or is there some files it has installed on the MacBook hidden away somewhere which I can delete?

July 2015 Solution for Multiple Problems with a New ‘My Passport for Mac’ (Note: I am posting this same message in response to several topics in this Forum, since the symptoms sounded similar to mine and I suspect WD software is causing them.) Like many other Users here, I recently bought a new external WD drive. The irony here is that I already own 3 other WD external drives, and they have been running fine for several years on our two Mac computers for photo and backup uses. Not so with this new drive. Following the WD installation steps, I first installed their software WD Drive Utilities and WD Security. And then my confusion started, because I now got the message ‘Error in RAID configuration’, even though I don’t use RAID and had done nothing except plug in the new drive. I ran the WD Drive Utility, Status Check, and my laptop actually crashed! I also saw the new drive mount at first, then spontaneously dismount after a minute or so. I even dismounted the new disk, mounted one of my older disks I have used for several years, and now it reported ‘Error in RAID configuration’, something it had never done before, and when I ran the WD Drive Utility, Status Check, on my older Passport drive my laptop again crashed. Like others here, I wasted a lot of time trying to resolve this, but let me skip all that and get right to what I did to get this new disk (and my old ones) to work correctly again. Solution which worked for me: I uninstalled the WD Drive Utilities software (the entire folder) completely. So far I have not uninstalled the WD Security software, although I have not dared to use it yet and likely never will. To uninstall WD Drive utilities, I used the free app AppCleaner from freemacsoft.net (NOT the app in the Mac App store similarly named App Cleaner; it may work just as well, but I have never used it.) Now that the WD Drive Utility is off my computer, I can use the new WD Passport and all my older Passport drives. I have run Apple’s Disk Utility, Verify, numerous times on the new drive, and using Carbon Copy Cloner I have cloned up to 340 GB to the new Passport drive, followed by Verifying it, without errors or any of the symptoms listed above. WD versions for me were: WD Drive Utilities 2.0.2.18, which folder contained WDDriveUtilityHelper 1.0.0.16. I hope this helps others on this Forum.

Time machine - "the backup disk image could not be mounted"

SInce a few days, I am unable to backup via Time Machine.
I always get the message:
TIME MACHINE ERROR
The backup disk image could not be mounted
I use an Apple Time Capsule and still have more than enough free space on it.
Use OS X 10.5.5
Help.....
Tks

Rosy,
*_"The Backup Disk Image Could Not Be Mounted" (Console - “Failed to mount disk image”)_*
First, it is important to distinguish this error message from another, similar Time Machine error that states “The backup volume could not be mounted”. This is important as the causes and cures for these two errors can be very different.
Consider each topic below separately. When one option does not resolve your issue, then move on the next one.
*Unmount the Backup Disk Image* (TC)
If, for some reason, you have manually mounted the Time Machine backup disk image (sparsebundle), or Time Machine failed to eject it after the previous backup, subsequent backups may fail. (Console - “Failed to mount disk image”… “Backup failed with error: 21”)
Eject the backup disk image (white drive icon) by either clicking the little Eject icon to the right of the disk image in the Finders’ Sidebar, or Ctrl-Click the drive icon on the desktop and select “Eject” from the contextual menu. Now try backing up again or launching Time Machine to view previous backups.
*“Disconnect All Users…”:*
If your Time Machine backup drive (“Backup of Users Computer”) is mounted on your desktop or in the Sidebar of the Finder window. then Time Machine may think the drive is already in use. Alternatively, if the Time Capsule hard disk has been recently accessed by a Windows machine, it may not have fully relinquished control. Do the following:
Open Airport Utility and select the Time Capsule on the left.
Click “Manual Setup”.
Select “Disks” at top of window.
Click “Disconnect All Users…” at bottom of window.
Close the Airport Utility.
Now try Backing up again.
“I got it resolved. Apparently it had to do with one of the files being open on the disk from the drive. I had browsed the disk with one of my windows boxes here and it must have left one of the folders "open". Anyway, I rebooted the TC and we are good to go now.”
*Proper Computer Name* #
Make sure your computer has a proper name. Go to System Preferences --> Sharing. Time Machine needs to differentiate your computer from others on your network (i.e. "Bills MacBook" or "Office iMac"). If the "Computer Name" field is blank, create a name. Realize that if this step is necessary, you will likely have to start the Time Machine backup process over again and do another full initial backup.
According to this article, [http://support.apple.com/kb/TS1760], Time Machine may experience problems if your computer name includes certain characters. Make sure the computer name only includes ASCII characters from the following set.
(0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ)
Once a change in the computer name occurs, you should stop and restart Sharing on the affected computer. Uncheck and then recheck Sharing in the Services list on the left.
Let us know if any of the suggestions above resolves your issue.
Cheers!

Time machine error: The backup disk image could not be mounted

Time Machine worked OK for several months. Now I get this error every 10 minutes or so.
I unplugged Time Machine capsule and "Change Disk" in Time Machine options.
Nothing helps, I continue to get this error.
I cannot Enter Time Machine either. "Connecting to Server, Connecting to backup" does not work.
Help please because I will probably have to archive and reinstall Leopard. I need the backups,
Christine

Christ1ne,
Before you reformat the disk, consider these causes of this error.
*_"The Backup Disk Image Could Not Be Mounted" (Console - “Failed to mount disk image”)_*
First, it is important to distinguish this error message from another, similar Time Machine error that states “The backup volume could not be mounted”. This is important as the causes and cures for these two errors can be very different.
Consider each topic below separately. When one option does not resolve your issue, then move on the next one.
*Unmount the Backup Disk Image* (TC)
If, for some reason, you have manually mounted the Time Machine backup disk image (sparsebundle), or Time Machine failed to eject it after the previous backup, subsequent backups may fail. (Console - “Failed to mount disk image”… “Backup failed with error: 21”)
Eject the backup disk image (white drive icon) by either clicking the little Eject icon to the right of the disk image in the Finders’ Sidebar, or Ctrl-Click the drive icon on the desktop and select “Eject” from the contextual menu. Now try backing up again or launching Time Machine to view previous backups.
*“Disconnect All Users…”:*
If your Time Machine backup drive (“Backup of Users Computer”) is mounted on your desktop or in the Sidebar of the Finder window. then Time Machine may think the drive is already in use. Alternatively, if the Time Capsule hard disk has been recently accessed by a Windows machine, it may not have fully relinquished control. Do the following:
Open Airport Utility and select the Time Capsule on the left.
Click “Manual Setup”.
Select “Disks” at top of window.
Click “Disconnect All Users…” at bottom of window.
Close the Airport Utility.
Now try Backing up again.
One poster reported: “I got it resolved. Apparently it had to do with one of the files being open on the disk from the drive. I had browsed the disk with one of my windows boxes here and it must have left one of the folders "open". Anyway, I rebooted the TC and we are good to go now.”
*Proper Computer Name* #
Make sure your computer has a proper name. Go to System Preferences --> Sharing. Time Machine needs to differentiate your computer from others on your network (i.e. "Bills MacBook" or "Office iMac"). If the "Computer Name" field is blank, create a name. Realize that if this step is necessary, you will likely have to start the Time Machine backup process over again and do another full initial backup.
According to this article, [http://support.apple.com/kb/TS1760], Time Machine may experience problems if your computer name includes certain characters. Make sure the computer name only includes ASCII characters from the following set.
(0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ)
Once a change in the computer name occurs, you should stop and restart Sharing on the affected computer. Uncheck and then recheck Sharing in the Services list on the left.
# Try removing the apostrophe from the disk images name (sparsebundle).
*A Stalled .inProgress Files:* #
It may be that the previous backup attempt was ungracefully interrupted leaving remains that Time Machine can’t deal with.
Stop any current backup attempt. Choose “Stop Backing Up” from the Time Machine menu.
Open the Time Machine Preferences and turn “OFF” Time Machine.
Open your Time Machine drive.
Open the folder labeled “Backups,backupdb”.
Now open the folder containing backups of the computer in question.
Are there any “.inProgress” files there. Delete them by dragging the file to the Trash. Or Ctrl-Click the file and select "Move to Trash" from the contextual menu. (Give this time as deleting a large file on an external disk can take a while.)
Turn Time Machine back “ON”. Now try backing up again.
NOTE: If the above procedure becomes impossible to perform, try accessing the disk image from another Mac. Some have discovered that attempting a repair from another computer succeeds where the original computer failed.
Let us know if any of the suggestions above helped to resolve your issue.
Cheers!

OS 10.4.1 Start Up disk missing from desktop

Is it my imagination or do Macs these days have a proliferation of oddities occurring when you least expect it.
Anyway, my problem is that I booted up my Intel 2.66 dual this morning, it started up fine, system running, apps all there etc. But then I noticed the hard disk icon for my Start Up disk was missing from the desktop.
Its there, its mounted, its running the system, all my apps work but you can't see it to double click on it on the desktop and when you go into a finder window its not listed in the drives available.
Its mounted, its verified, its seemingly all okay but its just not visible on the desktop or in the finder window.
I can get to it by opening a finder window from one of the two other disks attached to the machine and then searching for something on that disk - ping - the file is returned in the finder window with the directory showing the Macintosh HD as its root. I can then select that in that finder window and it opens up the window for the disc.
Any clues as to why this might have happened and more importantly how I can get it back.
Cheers
James

Dale
Oh yeah - just updated it ! The 2.66 dual replaced my G5 Quad which died on me recently. I must say i've been pleased with it so far. I produce CGI work for architectural projects so speed is of the essence. Needs the ram though (possibly not the 8 gig I've got but that's so i can run four renering apps at once with 1.5 gig assigned to each - which incidentally works a treat). When i first got the machine it came with 1 Gig of ram and it was horribly slow, now it flies. Ideally I'd have got a 3 ghz machine but had to buy this off the shop floor in the local Apple dealer (Cardiff) and it was the only one they had.
So on balance I think its a pretty good machine. I've had a few glitches with it but that's down to early release UB software rather than the hardware.

The Backup Disk Image Could Not Be Mounted

I've successfully installed Time Capsule on my network and it is working correctly. I can access it via wireless and choose it from Time Machine. The initial backups go well, and I can access them if I enter Time Machine. However, at some point, it creates a disk image on my desktop and then returns the error The Backup Disk Could Not Be Mounted. The only way to restore everything to normal is to reboot.
I've already dismounted and remounted the drive, so permissions don't seem to be the problem.
Can anyone tell me what's going on and how to fix this??
Thanks!

I have a similar problem. At first, TM worked with both my machines. Now it works with the mac air but not the ibook. I get the Backup Disk Image Could not be mounted error message.
Here's what conole say:
4/22/08 11:56:33 AM /System/Library/CoreServices/backupd[855] Starting standard backup
4/22/08 11:56:34 AM /System/Library/CoreServices/backupd[855] Mounting disk image /Volumes/Fran's Time Capsule/Fran's Desktop_000d93460426.sparsebundle
4/22/08 11:56:51 AM /System/Library/CoreServices/backupd[855] Failed to attach to disk image, returned: 109
4/22/08 11:56:51 AM /System/Library/CoreServices/backupd[855] Failed to mount disk image /Volumes/Fran's Time Capsule/Fran's Desktop_000d93460426.sparsebundle
4/22/08 11:56:51 AM /System/Library/CoreServices/backupd[855] Backup failed with error: 21
4/22/08 12:04:54 PM com.apple.launchd[72] ([0x0-0xd00d0].com.apple.systempreferences[815]) Stray process with PGID equal to this dead job: PID 824 PPID 1 check_afp
4/22/08 12:05:05 PM Disk Utility[878] ********
4/22/08 12:05:05 PM Disk Utility[878] Disk Utility started.
4/22/08 12:05:24 PM mdworker[805] CFPropertyListCreateFromXMLData(): Old-style plist parser: missing semicolon in dictionary.
4/22/08 12:06:37 PM mdworker[805] CFPropertyListCreateFromXMLData(): Old-style plist parser: missing semicolon in dictionary.
4/22/08 12:08:25 PM Disk Utility[896] ********
4/22/08 12:08:25 PM Disk Utility[896] Disk Utility started.
4/22/08 12:08:40 PM mdworker[805] CFPropertyListCreateFromXMLData(): Old-style plist parser: missing semicolon in dictionary.
4/22/08 12:09:04 PM /System/Library/CoreServices/backupd[899] Mounting disk image /Volumes/Fran's Time Capsule/Fran's Desktop_000d93460426.sparsebundle
4/22/08 12:11:31 PM kernel SetCryptoKey R: len 32, idx 1

"Backup disk image could not be mounted"

I have been using time capsule successfully for about 5 months. But now it has suddenly started returning a time machine error "the backup disk image could not be mounted".
Anyone got any suggestions?

towersfamily,
*_"The Backup Disk Image Could Not Be Mounted" (Console - “Failed to mount disk image”)_*
First, it is important to distinguish this error message from another, similar Time Machine error that states “The backup volume could not be mounted”. This is important as the causes and cures for these two errors can be very different.
Consider each topic below separately. When one option does not resolve your issue, then move on the next one.
*Unmount the Backup Disk Image* (TC)
If, for some reason, you have manually mounted the Time Machine backup disk image (sparsebundle), or Time Machine failed to eject it after the previous backup, subsequent backups may fail. (Console - “Failed to mount disk image”… “Backup failed with error: 21”)
Eject the backup disk image (white drive icon) by either clicking the little Eject icon to the right of the disk image in the Finders’ Sidebar, or Ctrl-Click the drive icon on the desktop and select “Eject” from the contextual menu. Now try backing up again or launching Time Machine to view previous backups.
*“Disconnect All Users…”:*
If your Time Machine backup drive (“Backup of Users Computer”) is mounted on your desktop or in the Sidebar of the Finder window. then Time Machine may think the drive is already in use. Alternatively, if the Time Capsule hard disk has been recently accessed by a Windows machine, it may not have fully relinquished control. Do the following:
Open Airport Utility and select the Time Capsule on the left.
Click “Manual Setup”.
Select “Disks” at top of window.
Click “Disconnect All Users…” at bottom of window.
Close the Airport Utility.
Now try Backing up again.
One poster reported: “I got it resolved. Apparently it had to do with one of the files being open on the disk from the drive. I had browsed the disk with one of my windows boxes here and it must have left one of the folders "open". Anyway, I rebooted the TC and we are good to go now.”
*Proper Computer Name* #
Make sure your computer has a proper name. Go to System Preferences --> Sharing. Time Machine needs to differentiate your computer from others on your network (i.e. "Bills MacBook" or "Office iMac"). If the "Computer Name" field is blank, create a name. Realize that if this step is necessary, you will likely have to start the Time Machine backup process over again and do another full initial backup.
According to this article, [http://support.apple.com/kb/TS1760], Time Machine may experience problems if your computer name includes certain characters. Make sure the computer name only includes ASCII characters from the following set.
(0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ)
Once a change in the computer name occurs, you should stop and restart Sharing on the affected computer. Uncheck and then recheck Sharing in the Services list on the left.
Let us know if any of the suggestions above helped to resolve your issue.
Cheers!

Disks not un-mounting from desktop

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