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
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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Dec 27, 2008
What's the Best Application to make a bootable disk image of your hard drive ?
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Nov 28, 2009
i took a dvd of a sports game my friend shot. I used mac the ripper to rip it to my computer. I got the video_ts folder. I want to convert it to a disk image.How do i do that?What program will let me do that? (free i hope)
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Feb 21, 2009
I'm currently trying to burn a bootable image file using OS X 10.3.9's Disk Utility software. I have an external DVD Burner connected to a G4 Cube via Firewire. The issue is that when I select "burn" from the menu and point to the respective .dmg file, Disk Utility does not recognise the attached DVD burner. The burner is however recognised in Toast (which I also have installed).What might the issue be? I have searched high and low on the net in an attempt to diagnose the issue to no avail. Is there an alternative solution to burning bootable disks in 10.3.9?
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May 17, 2012
Is it possible to create a bootable disk image of my hard drive onto an extrenal firewire hard drive?
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Jun 1, 2012
I created a bootable usb drive on a windows pc using windows 7 to install windows 8 preview and want to make a copy to install in virtualbox on my imac and burn to a dvd that will work on pc.
I've tried using disk utility to create an image and get a file ESD-USB.dmg, but virtualbox won't boot a dmg file.
I tried converting it in the terminal with:
hdiutil convert -format UDRO -o windows8.iso ESD-USB.dmg
but the resulting file was windows8.iso.dmg. I changed the name to windows8.iso, but even so, virtualbox complains it's unbootable.
I tried the terminal command:
dd if=/dev/disk4 of=windows8.iso
but virtualbox complained that it's not bootable.
I tried the terminal command:
cat /dev/disk4 > windows8.iso
but virtualbox complained that it's not bootable.
Info:
iMac, 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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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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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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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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Jun 17, 2014
Do i need this disk image or can i delete it?
Info:
MacBook Air, OS X Mavericks (10.9.3)
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Nov 6, 2010
I sent my old and dying machine in and the service place cloned it over to my new machine. All seems to be identical except a sparse disk image that I had to protect personal files. It's just not there. I haven't been able to get onto the old machine to verify yet if it's still there. Would the cloning process have left it off the new machine? Would it's location inside the library folder of my hard drive have become noticed during the cloning process? Could the tech people have cracked it open? Nothing earth shattering on it but still personal stuff.
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Feb 6, 2008
I am having problems booting my 700 mhz G4 Flat Panel Mac after connecting to my new Mac via Firewire to transfer a disk image of OS 10.4 I made from the DVD supplied with my new Mac. I was driven to trying this solution to upgrading my old Mac (from 10.2 to 10.4) after:
1) not being able to purchase a retail copy from Apple
2) not having a DVD drive on the old machine anyway, so connecting an external DVD drive and trying to load the OS software from the DVD install disks that came with my new Mac (old Mac saw the drive, tried to open the file but didn't know how)
So I learned about making a disk image of the DVD, which I did, then learned about connecting the 2 machines via firewire and starting up the old machine as a target disk. This all seemed to be working fine. The target disk image showed up on the new machine, I was able to drag the OS disk image to it and it appeared to copy the contents to the old machine. When I unplugged the Firewire and restarted the old machine it starting booting normally then just stopped, with a "You must restart your computer" message popping up on the screen. I have tried to restart the old machine several times with the same results and have unplugged the power then tried it again as well. Being far less than an expert at this I realize there are several ways this could have gone wrong, which is why included all the info. above - just wasn't sure which actions were relevant to helping figure out what to do next to get my old machine to boot, which is my most immediate problem. Dealing with the OS upgrade issue is also a concern.
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Jan 6, 2009
for the past month or so my automated backups with time machine/time capsule have not been working. Every so often the following error message pops up:
"the backup disk image could not be mounted"
in troubleshooting, i have tried to mount the sparsebundle image directly but without success. from reading around a bit i can see that others have had this problem, and that one solution is to delete the sparsebundles and start again.
but that of course means losing all my archived backups, which i would rather avoid.
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Mar 4, 2009
How do I delete a password protected Disk Image. I was using it to keep some file secure, and I don't need it anymore. How do I go about deleting it and the contents from the computer?
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