OS X V10.7 Lion :: Cannot Open DMG Disk Image

Apr 29, 2012

I downloaded the Final cut pro x trail today and tryed to open it in downloaded but the program refused and said the problem was that it was not recognized.The program was disk image mounter.

MacBook Pro, Mac OS X (10.7.2)

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OS X :: Disk Image Won't Open Automatically Since Last Security Update

Nov 17, 2010

I am using OS 10.5.8.

In the past, I could double click on my disk image file (secure.sparseimage) and it would procede to ask for password and then open.

Since the last security update, when I double click on the same file, it opens disk utility. I then have to double click on the secure.sparseimage file in the left pane.

I checked disk utility preferences and it is still set to automatically open both read only and read and write disk images.

Anyone have the same experience and possibly an explanation or solution?

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OS X :: Unable To Open Image Files Saved To Disk

Aug 7, 2009

All of a sudden my computer (imac, 10.4.11) won't let me open images downloaded from digital cameras (I've tried several - so it's not the cameras). I get the following error - "Couldn't open the file. It may be corrupt or a file format that Preview doesn't recognize." Also the same basic error when using Photoshop and Fireworks. I can open files still on the camera, or saved to a CD - just not anything dragged to the desktop. I can still open pictures which had been previously saved - but nothing new. I ran the Repair Disk utility, which found and apparently fixed an Illegal Name error on the hard drive, but the problem still persists.

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Software :: Cannot Open DMG Files - Disk Image Failed To Mount

Feb 27, 2010

I'm using a 2GHz PowerPC G5, OS X 10.4.11, with 1 GB on one dimm. I cannot open ANY .dmg files. I have tried clicking the image, and also on a clean download used "open with" each time I received the following message The following disk image failed to mount
Reason: Device not configured

I have followed the instructions in this thread:- Disk image failed to mount: Device not configured.
Firstly Run /Applications/Utilities/Disk Utility.
Click on "Macintosh HD" in the left column and then press the "Repair Disk Permissions" button.
Delete the file called /System/Library/Extension.kextcache
Delete the folder called /System/Library/Caches/com.apple.kernalcaches/

That made no difference. I then tried bobw's advice here Panther - Disk Image "mounting Failed" Panther - Disk Image "mounting Failed". That made no difference. I have since gone on to justanswer.com and the advice I received was to do an archive and install and then a full combo update.

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OS X V10.6 Snow Leopard :: Make A Disk Image Window Open Automatically?

Apr 3, 2012

When I mount downloaded disk images, they open in a new window automatically.

Info:MacBook, Mac OS X (10.6.8)

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OS X V10.7 Lion :: Delete A Disk Image?

Mar 22, 2012

I made a disk image to have a password protected folder, but now i can't delete it,  even after i put in the password.

Mac Pro, Mac OS X (10.7.3)

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OS X :: Converting CDR To ISO / Bootable CDR Disk Image To An ISO Disk Image

Sep 10, 2009

Apparently, there are two ways to convert disk images in CDR format to ISO format:

1. Rename diskimage.cdr to diskimage.iso


2. hdiutil makehybrid -iso -joliet -o diskimage.iso diskimage.cdr

The first method is really quick while the second method takes quite a long time. Do the two methods yield the same ISO file? In particular, I would like to convert a bootable CDR disk image to an ISO disk image.

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OS X V10.7 Lion :: Unable To Mount Disk Image

Feb 28, 2012

Yesterday I downloaded and installed Lion. After a while I tried to open one of the disk images that I have stored on the harddrive, which worked to mount prior to installing Lion. While attempting to open it, the process fails and gives the error "no mountable filesystems". I have searched for the error on the internet, and there does not seem to excist a solution to it. However, all the people with the same error, whcih did not have a solution, did not seem to have a similiar problems. Their problem lied with not being able to access disk images downloaded from the internet, while my disk image already excised on the hard drive before installing lion.

Many of the files and documents on the disk image are irreplaceable to me. I can not stress how important it is for me to recover them. If I am not able to do so, it will result in a massive economic loss.

MacBook Pro, Mac OS X (10.7.3)

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OS X V10.7 Lion :: Backup Disk Image...could Not Be Accessed

Apr 26, 2012

The following error message just popped up: "The backup disk image “/Volumes/Data/Robert's Office iMac (2).sparsebundle” could not be accessed (error -1)." I'm running a late 2009 iMac; upgraded to Lion about a week ago. It seems to have done the Time Machine backups fine for the last week.The only other recent change was to reset my iCloud account so I could sync with my iPhone. 

iMac, Mac OS X (10.5.5)

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OS X V10.7 Lion :: Cannot Restore DMG Image Stored On NTFS Disk?

Apr 10, 2012

My MacBook Pro has OSX Lion on it. I have created a DMG image of my starting volume using Disk Utility. The image was saved on an NTFS formatted external USB disk. I used Paragon NTFS for Mac to activate writing on NTFS partitions. The image was created, tested and it mounted fine. It's size is 105GB. 

I have restarted the system and am accessing Disk Utility from the recovery partition that OSX Lion creates. Disk Utility can see the NTFS disk and I can choose the DMG image as source and the partition on the internal hard disk as a target without problems but when I press the restore button and the Image scan process is going to start I just get an error that says "Unabke to scan Mac-OSX HD. Resource busy". When I try the SCAN BEFORE RESTORE command on Disk Utility on the image I am getting "Unable to scan MAC IMAGE.DMG (Not such file or directory)". 

I have already erased my startup disk and really need to get this image back in place. It is the only backup I have of my data. 

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OS X V10.7 Lion :: Can The Administrator Unlock A Disk Image That Another User Made

Jun 11, 2012

Can the administrator unlock a disk image that another user made?

iMac, Mac OS X (10.7.2)

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Mac OS X Lion Server :: Creating A Disk Image Of A RAID 1 Setup?

Jun 20, 2012

I have just finished setting up my first Lion Server from scratch on a Mac Mini with dual 500GB Drives which I set up as RAID 1. I have the server exactly as I want it, and before the users start logging on and it gets all screwed up I would like to create a disk image of it so that I could reinstall if necessary w/o having to start from scratch. 

Is the process of creating a disk image for a RAID 1 any different than that of a disk image from a single drive set up? Will Disk utility just see this as a single volume or will it want to create a disk image of the entire RAID? i.e will the disk image be 1 TB (500 GB x 2)? And when it comes to reimaging my RAID, will I just recreate a RAID 1 and be able to write to it from that disk image? 

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OS X V10.7 Lion :: Why Does Screen Saver Prompt For Secure Disk Image Password

Mar 17, 2012

I go into System Preferences->Dektop & Screen Saver.  As the program "loads" availabe image sources and such I get a pop-up requesting a password to my secure disk image. Yes, I have a secure disk image in my home directory. Yes, the secure disk image is currently "locked" (Not mounted in finder). 

I click cancel (a few times, probably 2 maybe 3 times) and things continue along fine. I select a photo source that I want for a screen save and exit peferences. I then go an start the screen saver (I'm using Hot-Corners). I get the message "Looking for pictures....." for , well...basically forever... 

Sure enough I touch the mouse to leave my screen saver and there is the pop-up again.  Asking for me to unlock my secure disk image. 

I thought this might be related to Spotlight.  I tried reading several threads and have gone as far as taking my entire hard-drive/volume and putting it into the "Privacy" tab under spotlight. 

how I might get it so the "Desktop & Screen Saver" stop prompting me to unlock my secure disk image?  (WITHOUT having to make sure the disk image is unlocked before I sleep my screen or open the screen saver utlity) As always, I am only speculating that this is Spotlight related so that could be a red-herring.... 

iMac, Mac OS X (10.7)

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OS X V10.7 Lion :: Launch JavaForOSX.dmg, It Says "There Maybe A Problem With This Disk Image"?

Apr 5, 2012

When I launch JavaForOSX.dmg, it says: "There maybe a problem with this disk image. Are you sure you want to open it? Opening this disk image may make your computer less secure or cause problems." I have downloaded the lastest Java update for Lion 4 times and I always get this message!  I have never received a similar message in the past. I downloaded the Snow Leopard file and sucessfully updated my wife's computer with no problems. Is the Apple file  bad, or am I doing something wrong.

PowerBook G4 (Gigabit Ethernet), Mac OS X (10.7.3)

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OS X V10.7 Lion :: Copy Image From Browser To PowerPoint, Get A Link Instead Of Image

May 25, 2012

When a user copies an image from a browser into PowerPoint 2011 he gets text of a link back to the image, not the image itself. But if he copies from a browser into Word he gets the image, and can then copy the image from Word to PowerPoint. Same results with both Firefox and Safari. Behavior is new so I assume it relates to recent software updates but user does not recall accepting any.

MacBook Air, Mac OS X (10.6.8)

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OS X V10.7 Lion :: Folder And Disk Drives Will Not Open?

Mar 15, 2012

For no apparent reason, folder and disk drives will not open when I double click on them. After some time the problem goes away and then returns several days later.

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OS X V10.7 Lion :: Open Files That Worked On In Windows And Be Able To Write Back To The Same Disk?

Feb 20, 2012

I would like to be able to open files that I've worked on in Windows and be able to write back to the same disk. Is this possible? What do I need to do to make this possible?

MacBook Pro 17, Mac OS X (10.6.3)

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OS X V10.7 Lion :: Cannot Copy To MacBook Pro / Open InDesign Docs From External Disk

Mar 28, 2012

Cannot copy to MacBookPro or open InDesign docs from external disk.Error code -36 and -43.They appeared to be locked.I unlocked in Information, but receive the same message."The operation can't be completed because one or more required items can't be found."

MacBook Pro, Mac OS X (10.7.3)

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OS X :: Disk Image Onto Dvd R?

Jul 17, 2010

My idiot teenage son left his retail disks somewhere two states away in his dorm room. I am upgradings his hard drive from a 40 gig to a 160gig in his ibook. We are visiting family so I don't have acess to my disk either. Can I copy his drive to a dvd, and then copy it over after I install the new hard drive? I've done this before, but never with a dvd or cd.

He is running 10.5.8.

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OS X :: How To Get Rid Of Firefox Disk Image

Nov 4, 2010

I have downloaded & installed Firefox but can't get rid of the disk image. I've tried dragging it to the bin but every time I use Firefox it re-appears.

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OS X :: Creating A Disk Image?

Jan 2, 2011

I have some files that I occasionally send to my family members. The thing is, because they contain sensitive information (finance records, sometimes they're family videos), I don't like just uploading it to my iDisk.

What I've been doing is going into Disk Utility, creating a password-protected disk image, then zipping up that file. It's a few layers of security, and the 128-bit encryption seems good. The thing is, I'm not sure what settings to use.

Here's a screenshot of the window that comes up when creating a new disk image. What options should I choose from here? I can do a Get Info on all of the files I'm putting in the disk image, but it would be easier to have it auto-fit whatever I put in, eliminating any unused space. I'm not sure of what to put for Format, Partitions, and Image Format, and I'm surprised that I have to choose a size since I've heard there's a way to have it automatically fit the files.

Is there a way to select my files/folders in the Finder and have a disk image created from the selection?

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OS X :: What's The Best Format For A DVD Disk Image?

Jul 19, 2009

I'm making a "backup" of the first season of House and I came upon the below menu from Disk Utility.

What's the best format to use? I don't really care too much about how long it takes.

Should I use encryption? If so, which form?

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OS X :: Disk Image Not Recognized?

Mar 21, 2010

I recently was having some problems with iTunes, (it was resetting and erasing the library every time i started it) so i decided to just save my mp3 files to my external hard drive and delete iTunes. My plan was to simply download iTunes again and put all my files back onto it.

However, when i downloaded iTunes, the disk image that apple gives you to set it up failed to mount. The reason, apparently, was because it was "Not Recognized"

I had no idea that an apple computer would not recognize one of the most common apple applications, but there you have it.

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OS X :: How To Open Image Capture App

Feb 7, 2009

Image capture app. doe's not open . I went to Finder> image capture > command open . I got nothing . Why .

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OS X :: Disk Image Mounter Rebooting In 10.5.8?

Dec 13, 2010

I am currently using OSX 10.5.8 Leopard and have run into a problem. When ever I attempt to mount a .DMG file, Finder goes unresponsive and will not re launch. The .DMG is downloaded from a verified clean source and the default program to open is the Disk Image Mounter Utility. I try going to /System/Library/Core Services, and I see the Disk Image Mounter Utility listed, yet when I attempt to open it, nothing happens and it is not even listed in the activity monitor. I have tried mounting several .DMG files and each time the same problem occurs and can only be solved by rebooting the system. I have just recently tried updating my software to the latest version and still no fix.

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OS X :: How To Save Disk Image Win 7 Partitions

Dec 19, 2010

I'd like to save individual disc images of the OSX and Win 7 installs on two partitions on my drive so that I can restore the operating systems if I need to. How can I do this since both have different file systems? Do I use Carbon Cloner? How do I restore the Windows partition if I do this?


I installed Windows 7 32-bit Home edition on a 200gb partition using Bootcamp. I am installing and tweaking the Windows installation and would like to take a snapshot of the system after I have installed all programs and settings.

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OS X :: 128 Bit Disk Image Encryption Security?

Apr 21, 2006

This is mainly just one of those 'I always wondered' things. How secure really is the 128-bit encryption offered in Disk Utility? Is it virtually impossible to crack? Somewhat difficult? How long would it take someone who really knew what they were doing? If anybody wants to try, I made a sample encrypted disk image. See if you can get into it. Its 2MB and you can download it here. After downloading, you'll have to take the .txt off the end of the filename so its just challenge.sparseimage.

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Applications :: How To Resize The Disk Image?

Nov 24, 2007

I'm not sure if im doing the process right but whenever I try to resize a disk image it doesnt work, I go to disk utility/resize then I select the image I want to resize, nothing happens and I am stuck with the same size that is no longer big enough for my needs.

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OS X :: How To Permanently Mount A Disk Image

May 26, 2009

I have all my OS X applications that come with your mac on a seperate .dmg file, that's just how it happened. I'm not sure how it happened, but when I took my computer home, it just installed like that. I bought the iMac ex-display from PC World last august and it didn't come with any documentation, reboot disks or an apple remote. They say they don't have them with them, but they obviously do.

I keep forgetting to mount the .dmg every time I reboot, because I'm a klutz and becoming old at a young age. I was wondering if there's any way to automatically have the mac mount the disk image?

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OS X :: Remove Disk Image And Eject?

Oct 29, 2009

When I download a program or application, can I drag the disk image to the trash and eject the installer. This is an incredibly noob question, I know.

I just always end up with these random duplicate files and I can't figure out what I am doing wrong.

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