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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Jul 3, 2012
After a fatal mac crash (PPC 10.5) i had no option but to reinstall the OS (10.5), i obviously didnt reformat the drive in the hope that i would be able to recover some if not all of my data. Using various tools i was happily able to recover most of my data successfully, including 3 AES encrypted Disk images of around 30GB in size each.
I didn't hold out much hope for actually recovering the data inside the dmgs, although after some fiddling i was able to recover 2 of them fully after receiving the no mountable file system error, i dont know how i done it but nonetheless i dont appear to have lost any data from those two dmgs whatsoever. Now the third dmg (also about 30GB in size) never gave me the no mountable file system error and instead returns the error: unable to mount: not recognized. Im pretty sure that my data is still there somewhere due to the sheer size of the recovered file, tied with the fact of the success of the recovery of the other 2 disk images. I have read every post i could find on this site and have trawled the web tirelessly looking for a solution to this, but have yet to find anything that even comes close - the closest i have found was a post on this forum where it would appear an apple engineer was able to recover most of the data using some sort of magic.
I am not in a position to pay for professional data recovery and besides i would love to see a solution to this problem appear somewhere on the web. I have tried the usual, rebuilding permissions, mounting on another machine (imac G5), resizing with disk util, repairing with disk warrior, converting to ISO - all which return the same error - not recognized! I have tried every terminal command i have found on the web, although decyphering some of the information is a little out of my remit and my knowledge of HEX is limited. I haven't yet tried Toast, basically because i dont have a copy, but it would be my guess that this would return a similar result. Incidentally when i recovered the original data, there were some small (what appeared to be dmgs) files around only maybe a few Kb each with part of the file names of the original files, i'm guessing these maybe the headers or something like that? although i didn't have to do anything with them to get the other 2 disk images working again.
Info:
iMac, Mac OS X (10.5), Disk Image error
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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
Or
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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Jun 6, 2009
Not quite sure what happened, but somehow part of my OS X partition became corrupted and is no longer recognized as a startup disk. I ran techtool pro and tried to repair the volume from there without luck, then ran a Leopard install DVD and ran disk utility's repair disk twice (first time came back with an error, second it was able to complete and fix all issues). Where I'm currently at. I am able to view all of my files via Macdrive and my Bootcamp XP partition without issue and am currently backing up any files I hadn't previously backed up. My question is, will I have to do a full reinstall of OS X or is it possible to somehow activate the drive as a startup disk or diagnose where the problem lies and address it?
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Nov 3, 2010
I have a 2009 13 inch macbook pro with 2.4 ghz processor, 4 gb ram, all stock from apple. Machine has been working great until 2 days ago when my system froze, had to push the power off button, tried to reboot but got the flashing folder and the internal hard drive was no longer recognized. I did all the usual things and read the apple support page to no avail. I booted from the install CD and the drive is not recognized in disk utility. I took the drive out, put it in an external case and booted from there and the drive appears to be working.
I put in another internal drive, a Hitachi 500 GB/7200 RPM that looks mac compatible, disc utility will not even recognize it either with the external hard drive OS running or from the install CD. In system profiler, under hardware, it says this computer doesn't contain any ATA drives. Could this be a problem with the SATA cable internally? The rest of the logic board appears to be working as I am typing this on the affected machine running the OS from my former internal hard drive that is now in a casing.
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Dec 19, 2007
I recently formatted one of my HardDisk using the Leopard's Disk Utility into FAT32 format.
The HDD works well with the MAC however it will not mount on a windows XP machine.
The hardware detector detects the USB external harddisk but is not able to mount it. When i use the Windows Disk Management Utility, the hard disk appears with a (Not Initialized) and Unallocated warning message.
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Nov 7, 2009
So my friend gave me his ipod after he bought a new nano. Its a ipod video but it has a problem. whenever you turn it on it has a sad face. I even managed to get it into disk mode but itunes isn't recognizing it. anything else i can do?
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Jul 21, 2010
I just put in a disk and it wont read it I have checked in finder and it isn't there and I've tried the eject button.
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Jan 6, 2010
when I install a cd-r the message appears that the disk is not recognized and no icon appears on the desktop. I am unable to copy to the disk.
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May 14, 2012
Downloaded free copy of McAfee Anti-Virus software for government employees personal computer. The software upload wizard does not engage; disk in drive not recognized. I simply wish to load ant-virus software onto my new MacBook Pro that was downloaded from a government site. Suggestions to accomplish this task?
Info:
MacBook
Pro, Mac OS X (10.7.4)
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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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Jan 14, 2009
I have purchased a Seagate 500gb 2.5 inch laptop hard drive to replace my feeble 120gb drive. I am trying to set up this drive using carbon copy cloner before changing it over, I'm using an external enclosure for this. The problem I'm having is the hard drive isn't recognized at all.
It's not showing up in finder or disk utility so I don't know how to format the drive.
I'm using Leopard 10.5.6
The instructions that cam with the enclosure mention setting the hard drive to function in master mode, what does this mean? I don't want to go to all the effort of changing the hard drive if there's some sort of problem, and I would rather clone my drive before removing it too.
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Aug 23, 2014
My G drive External Hard disk is not recognised by windows laptops yet it works on my MacBook Air
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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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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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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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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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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?
Also:
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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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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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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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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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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Jan 29, 2010
I need to Install Mac OS 10.4 onto an iBook G3, and it only has a CD-RW drive, so I made a disk image and if I copy it ove to the iBook, will I be able to install from the Disk Image on it's own Hard Drive, or do I have to put it onto a Firewire drive?
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Mar 15, 2010
In doing a fresh install of OS X Tiger on my emac, can it be done by a disk image of Tiger or do I have to use the CDs? Reason being the CD thingy is not working.
Or, do I have to sacrifice the fresh install and use a USB Drive to upgrade it?
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Apr 19, 2010
I just purchased my 13inch MBP base model
I turned it on and I don't see any Disk image on my desktop...
I relaunched the Finder, but still the desktop is empty.
Is there something wrong with my MBP?
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Aug 31, 2009
How do I go about mounting a disk image? I have heard people refer to it but im not sure how it is done.
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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.
Info:
Mac Pro, Mac OS X (10.7.3)
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Apr 2, 2012
I have a 7.38 gb music iso disk image file that I wish to burn to a DVD disc. would I have to burn two DVDs or would I be able to compress this file to fit a single DVD disc? any mac wizards out there?
Info:
iMac PowerPC G3 600MHz (slot-load) (Summer 2001), Mac OS X (10.5.8), ~ 2.33 GHz Intel Core 2 Duo/2GB 667 MHz DDR 2 SDRAM ~ Dead iPod
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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.
Info:
MacBook Pro, Mac OS X (10.7.2)
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Sep 6, 2014
I recently had some issues with my Mac Book Pro and I had to delete my entire Hard Drive. Using Disk Utility I backed it up first by taking a disk image of it all. I fixed my computer and now I am trying to work out how I can re-install my Hard Drive.
I open up the disk image, which takes hours to verify because there is so much stuff on it, and all my stuff is there. However, it doesn't update my computer to be how it was before and also it doesn't stay there, acting more like an external drive, so when I turn off my computer and then on again I need to go through the whole verification process.
How to use this disk image to go back to how my computer was set up?
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